[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels >= 3.12

[Mikalai]

Can any one check if Queued TRIM issue is resolved in EXM03B6Q firmware 
(available as of October 2016) for 850 Pro?
I'm not expecting Queued TRIM to work properly, but may be it is not advertised 
as supported any more?

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels >= 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels >= 3.12

[Dave Chiluk]

@evan

No, you are seeing a different or new bug.

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels >= 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels >= 3.12

[Evan Carroll]

Does this result in anyone not being able to suspend?

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels >= 3.12

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Re: [Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels >= 3.12

[JohnShep]

Hi Chris,
I filed the bug, sorry I don't know how to subscribe you to it ...

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1530459

all the best, John

On 1 January 2016 at 05:02, Christopher M. Penalver
 wrote:
> JohnShep, as this report is closed, if you are having an issue, you will want 
> to file a new report via a terminal:
> ubuntu-bug linux
>
> Please feel free to subscribe me to it.
>
> For more on this, please see https://wiki.ubuntu.com/ReportingBugs.
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1338706
>
> Title:
>   Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
>   set xfermode (err_mask=0x40) on upstream kernels >= 3.12
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1338706/+subscriptions

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels >= 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels >= 3.12

[JohnShep]

I think it is still there in a fresh Wily install 

uname -a
Linux john-Aspire-X3812 4.2.0-22-generic #27-Ubuntu SMP Thu Dec 17 22:57:08 UTC 
2015 x86_64 x86_64 x86_64 GNU/Linux

dmesg | grep ata4
[ 6846.008190] ata4: hard resetting link
[ 6846.328019] ata4: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[ 6846.329593] ata4.00: supports DRM functions and may not be fully accessible
[ 6846.329708] ata4.00: failed to get NCQ Send/Recv Log Emask 0x1
[ 6846.330094] ata4.00: supports DRM functions and may not be fully accessible
[ 6846.330161] ata4.00: failed to get NCQ Send/Recv Log Emask 0x1
[ 6846.330260] ata4.00: configured for UDMA/133
[ 6846.330286] ata4: EH complete
[15551.012030] ata4.00: exception Emask 0x10 SAct 0xf000 SErr 0x400100 action 
0x6 frozen
[15551.012035] ata4.00: irq_stat 0x0800, interface fatal error
[15551.012039] ata4: SError: { UnrecovData Handshk }
[15551.012042] ata4.00: failed command: WRITE FPDMA QUEUED
[15551.012048] ata4.00: cmd 61/08:60:e8:98:75/00:00:01:00:00/40 tag 12 ncq 4096 
out
res 40/00:68:30:99:44/00:00:09:00:00/40 Emask 0x10 (ATA 
bus error)
[15551.012051] ata4.00: status: { DRDY }

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels >= 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels >= 3.12

[Christopher M. Penalver]

JohnShep, as this report is closed, if you are having an issue, you will want 
to file a new report via a terminal:
ubuntu-bug linux

Please feel free to subscribe me to it.

For more on this, please see https://wiki.ubuntu.com/ReportingBugs.

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels >= 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels >= 3.12

[Dave Chiluk]

@Andrei Demin,
Have you opened a separate case for Samsung drives + RAID 0 + trim = 
corruption?  If so what is that bug number?

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels >= 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels >= 3.12

[Andrei Demin]

@Dave Chiluk
No, I didn't. I have no that configuration.

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels >= 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Gunter Ohrner]

Yes, it's a different issue. Algolia weren't even using queues TRIM.

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Viorel Craescu]

Having same problem on kernel 3.19.0-25-generic/Ubuntu 15.04 and no
solution so far. :((

[0.553706] ata5: SATA max UDMA/133 abar m2048@0xf3216000 port 0xf3216300 
irq 26
[0.872359] ata5: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
[0.873019] ata5.00: failed to get NCQ Send/Recv Log Emask 0x1
[0.873021] ata5.00: ATA-9: Samsung SSD 840 Series, DXT06B0Q, max UDMA/133
[0.873022] ata5.00: 234441648 sectors, multi 16: LBA48 NCQ (depth 31/32), AA
[0.873048] ata5.00: failed to get Identify Device Data, Emask 0x1
[0.873308] ata5.00: failed to get NCQ Send/Recv Log Emask 0x1
[0.873330] ata5.00: failed to get Identify Device Data, Emask 0x1
[0.873332] ata5.00: configured for UDMA/133
[1.119711] ata5.00: Enabling discard_zeroes_data
[1.119981] ata5.00: Enabling discard_zeroes_data
[1.120717] ata5.00: Enabling discard_zeroes_data

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Andrei Demin]

Seems Samsung fixed this bug in kernel
(https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f3f5da624e0a891c34d8cd513c57f1d9b0c7dadc)
and blacklist is no longer needed. Maybe we should remove blacklist and
apply this patch instead?

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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Re: [Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Dave Chiluk]

On 08/12/2015 03:59 AM, Andrei Demin wrote:
 Seems Samsung fixed this bug in kernel
 (https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f3f5da624e0a891c34d8cd513c57f1d9b0c7dadc)
 and blacklist is no longer needed. Maybe we should remove blacklist and
 apply this patch instead?
 

I don't see how that fix applies to any of the error messages we are
seeing.

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Andrei Demin]

Or this patch fixes another trim bug... Then i'm sorry.
The queued TRIM issue with Samsung drives remains open but it has nothing 
whatsoever to do with the Algolia bug. 
http://techreport.com/news/28724/samsung-docs-detail-linux-trim-bug-and-fix

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Andrei Demin]

This patch from Samsung fixes trim bug in kernel. 
1. 
http://techreport.com/news/28674/samsung-says-data-eating-trim-bug-is-a-linux-kernel-problem
2. http://www.spinics.net/lists/raid/msg49440.html

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Dave Chiluk]

@fabiocasi

As far as I understand updated ubuntu kernels are available in mint as I think 
they pull from the same archives.  Why don't you try enabling proposed and 
checking since you are clearly running mint.  Also per comment 75 
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1338706/comments/75
This has also been fixed in 3.16.

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Cyberbob]

Hi All,
then the kernel 3.13 has the fix, but what about the 3.16 used as default 
kernel in Linux MINT 17.2 Rafaela ???
Will be available a 3.16-xxx that fix th bug?? 
In the meantime is better to don't  do fstrim???

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Launchpad Bug Tracker]

This bug was fixed in the package linux - 3.16.0-43.58

---
linux (3.16.0-43.58) utopic; urgency=low

  [ Luis Henriques ]

  * Release Tracking Bug
- LP: #1466792

  [ Brad Figg ]

  * Merged back Ubuntu-3.16.0-41.57 regression fix for security release

linux (3.16.0-42.56) utopic; urgency=low

  [ Brad Figg ]

  * Release Tracking Bug
- LP: #1465714

  [ Chris J Arges ]

  * [config] CONFIG_IPMI_POWERNV=m on ppc64el
- LP: #1439562

  [ Luis Henriques ]

  * [Config] Disable CONFIG_USB_OTG
- LP: #1411295

  [ Upstream Kernel Changes ]

  * Revert i2c: Mark adapter devices with pm_runtime_no_callbacks
- LP: #1465613
  * Revert mm/hugetlb: use pmd_page() in follow_huge_pmd()
- LP: #1465613
  * cdc-acm: prevent infinite loop when parsing CDC headers.
- LP: #1460657
  * drivers/char/ipmi: Add powernv IPMI driver
- LP: #1439562
  * powerpc/powernv: Add OPAL IPMI interface
- LP: #1439562
  * powerpc/powernv: Support OPAL requested heartbeat
- LP: #1439562
  * powerpc/kernel: Make syscall_exit a local label
- LP: #1439562
  * powerpc: Remove old compile time disabled syscall tracing code
- LP: #1439562
  * powerpc/powernv: Remove opal prefix from pr_xxx()s
- LP: #1439562
  * powerpc/powernv: Separate function for OPAL IRQ setup
- LP: #1439562
  * powerpc/powernv: Add OPAL message notifier unregister function
- LP: #1439562
  * device: Add dev_of_node() accessor
- LP: #1439562
  * drivers/core/of: Add symlink to device-tree from devices with an OF
node
- LP: #1439562
  * powerpc: Add a proper syscall for switching endianness
- LP: #1439562
  * (upstream) libata: Blacklist queued TRIM on all Samsung 800-series
- LP: #1338706, #1449005
  * ahci: avoton port-disable reset-quirk
- LP: #1458617
  * udf: Remove repeated loads blocksize
- LP: #1462173
- CVE-2015-4167
  * udf: Check length of extended attributes and allocation descriptors
- LP: #1462173
- CVE-2015-4167
  * (upstream)scsi_lib: remove the description string in
scsi_io_completion()
- LP: #1449372
  * vfs: read file_handle only once in handle_to_path
- LP: #1416503
- CVE-2015-1420
  * ozwpan: Use unsigned ints to prevent heap overflow
- LP: #1463442
- CVE-2015-4001
  * ozwpan: divide-by-zero leading to panic
- LP: #1463445
- CVE-2015-4003
  * ozwpan: Use proper check to prevent heap overflow
- LP: #1463444
- CVE-2015-4002
  * ozwpan: unchecked signed subtraction leads to DoS
- LP: #1463444
- CVE-2015-4002
  * net: eth: xgene: devm_ioremap() returns NULL on error
- LP: #1458042
  * drivers: net: xgene: fix new firmware backward compatibility with older
driver
- LP: #1458042
  * drivers: net: xgene: constify of_device_id array
- LP: #1458042
  * drivers: net: xgene: Add second SGMII based 1G interface
- LP: #1458042
  * dtb: change binding name to match with newer firmware DT
- LP: #1458042
  * dtb: xgene: Add second SGMII based 1G interface node
- LP: #1458042
  * mlx4: Fix tx ring affinity_mask creation
- LP: #1465613
  * net/mlx4_en: Schedule napi when RX buffers allocation fails
- LP: #1465613
  * efi/reboot: Add generic wrapper around EfiResetSystem()
- LP: #1465613
  * efi/reboot: Allow powering off machines using EFI
- LP: #1465613
  * x86/reboot: Add EFI reboot quirk for ACPI Hardware Reduced flag
- LP: #1465613
  * ARC: signal handling robustify
- LP: #1465613
  * UBI: fix soft lockup in ubi_check_volume()
- LP: #1465613
  * mnt: Fail collect_mounts when applied to unmounted mounts
- LP: #1465613
  * ASoC: dapm: Enable autodisable on SOC_DAPM_SINGLE_TLV_AUTODISABLE
- LP: #1465613
  * ASoC: rt5677: add register patch for PLL
- LP: #1465613
  * btrfs: unlock i_mutex after attempting to delete subvolume during send
- LP: #1465613
  * ALSA: hda - Fix mute-LED fixed mode
- LP: #1465613
  * arm64: dma-mapping: always clear allocated buffers
- LP: #1465613
  * ALSA: emu10k1: Fix card shortname string buffer overflow
- LP: #1465613
  * ALSA: emux: Fix mutex deadlock at unloading
- LP: #1465613
  * drm/radeon: add SI DPM quirk for Sapphire R9 270 Dual-X 2G GDDR5
- LP: #1465613
  * SCSI: add 1024 max sectors black list flag
- LP: #1465613
  * 3w-sas: fix command completion race
- LP: #1465613
  * 3w-: fix command completion race
- LP: #1465613
  * 3w-9xxx: fix command completion race
- LP: #1465613
  * uas: Allow uas_use_uas_driver to return usb-storage flags
- LP: #1465613
  * uas: Add US_FL_MAX_SECTORS_240 flag
- LP: #1465613
  * uas: Set max_sectors_240 quirk for ASM1053 devices
- LP: #1465613
  * usb: chipidea: otg: remove mutex unlock and lock while stop and start
role
- LP: #1465613
  * serial: xilinx: Use platform_get_irq to get irq description structure
- LP: #1465613
  * serial: of-serial: Remove device_type = serial registration
- LP: #1465613
  * 

[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Launchpad Bug Tracker]

This bug was fixed in the package linux - 3.13.0-57.95

---
linux (3.13.0-57.95) trusty; urgency=low

  [ Luis Henriques ]

  * Release Tracking Bug
- LP: #1466592

  [ Brad Figg ]

  * Merged back Ubuntu-3.13.0-55.94 regression fix for security release

linux (3.13.0-56.93) trusty; urgency=low

  [ Brad Figg ]

  * Release Tracking Bug
- LP: #1465798

  [ Upstream Kernel Changes ]

  * net: eth: xgene: devm_ioremap() returns NULL on error
- LP: #1458042
  * drivers: net: xgene: fix new firmware backward compatibility with older
driver
- LP: #1458042
  * drivers: net: xgene: constify of_device_id array
- LP: #1458042
  * drivers: net: xgene: Add second SGMII based 1G interface
- LP: #1458042
  * net: phy: re-design phy_modes to be self-contained
- LP: #1458042
  * dtb: change binding name to match with newer firmware DT
- LP: #1458042
  * dtb: xgene: Add second SGMII based 1G interface node
- LP: #1458042
  * Btrfs: make xattr replace operations atomic
- LP: #1438501
- CVE-2014-9710
  * cdc-acm: prevent infinite loop when parsing CDC headers.
- LP: #1460657
  * (upstream) libata: Blacklist queued TRIM on all Samsung 800-series
- LP: #1338706, #1449005
  * ahci: avoton port-disable reset-quirk
- LP: #1458617
  * xfs: avoid false quotacheck after unclean shutdown
- LP: #1461730
  * (upstream)[SCSI] Add timeout to avoid infinite command retry
- LP: #1449372
  * (upstream)scsi_lib: remove the description string in
scsi_io_completion()
- LP: #1449372
  * udf: Remove repeated loads blocksize
- LP: #1462173
- CVE-2015-4167
  * udf: Check length of extended attributes and allocation descriptors
- LP: #1462173
- CVE-2015-4167
  * vfs: read file_handle only once in handle_to_path
- LP: #1416503
- CVE-2015-1420
  * ozwpan: Use unsigned ints to prevent heap overflow
- LP: #1463442
- CVE-2015-4001
  * ozwpan: divide-by-zero leading to panic
- LP: #1463445
- CVE-2015-4003
  * ozwpan: Use proper check to prevent heap overflow
- LP: #1463444
- CVE-2015-4002
  * ozwpan: unchecked signed subtraction leads to DoS
- LP: #1463444
- CVE-2015-4002
  * Input: elantech - add new icbody type
- LP: #1464490
  * Bluetooth: ath3k: Add support Atheros AR5B195 combo Mini PCIe card
- LP: #1465796
  * power_supply: twl4030_madc: Check return value of power_supply_register
- LP: #1465796
  * power_supply: lp8788-charger: Fix leaked power supply on probe fail
- LP: #1465796
  * ARM: dts: dove: Fix uart[23] reg property
- LP: #1465796
  * xtensa: xtfpga: fix hardware lockup caused by LCD driver
- LP: #1465796
  * Drivers: hv: vmbus: Fix a bug in the error path in vmbus_open()
- LP: #1465796
  * xtensa: provide __NR_sync_file_range2 instead of __NR_sync_file_range
- LP: #1465796
  * KVM: s390: Zero out current VMDB of STSI before including level3 data.
- LP: #1465796
  * usb: musb: core: fix TX/RX endpoint order
- LP: #1465796
  * drm/radeon: fix doublescan modes (v2)
- LP: #1465796
  * usb: phy: Find the right match in devm_usb_phy_match
- LP: #1465796
  * tools lib traceevent kbuffer: Remove extra update to data pointer in
PADDING
- LP: #1465796
  * ring-buffer: Replace this_cpu_*() with __this_cpu_*()
- LP: #1465796
  * ASoC: wm8741: Fix rates constraints values
- LP: #1465796
  * cdc-wdm: fix endianness bug in debug statements
- LP: #1465796
  * staging: panel: fix lcd type
- LP: #1465796
  * UBI: account for bitflips in both the VID header and data
- LP: #1465796
  * UBI: fix out of bounds write
- LP: #1465796
  * UBI: initialize LEB number variable
- LP: #1465796
  * UBI: fix check for too many bytes
- LP: #1465796
  * ARM: S3C64XX: Use fixed IRQ bases to avoid conflicts on Cragganmore
- LP: #1465796
  * ASoC: davinci-evm: drop un-necessary remove function
- LP: #1465796
  * iscsi-target: Convert iscsi_thread_set usage to kthread.h
- LP: #1465796
  * Drivers: hv: vmbus: Don't wait after requesting offers
- LP: #1465796
  * Btrfs: fix log tree corruption when fs mounted with -o discard
- LP: #1465796
  * btrfs: don't accept bare namespace as a valid xattr
- LP: #1465796
  * ARM: 8320/1: fix integer overflow in ELF_ET_DYN_BASE
- LP: #1465796
  * rtlwifi: rtl8192cu: Add new USB ID
- LP: #1465796
  * MIPS: Hibernate: flush TLB entries earlier
- LP: #1465796
  * ASoC: cs4271: Increase delay time after reset
- LP: #1465796
  * stk1160: Make sure current buffer is released
- LP: #1465796
  * mnt: Improve the umount_tree flags
- LP: #1465796
  * ext4: make fsync to sync parent dir in no-journal for real this time
- LP: #1465796
  * Input: elantech - fix absolute mode setting on some ASUS laptops
- LP: #1465796
  * usb: define a generic USB_RESUME_TIMEOUT macro
- LP: #1465796
  * usb: host: xhci: use new USB_RESUME_TIMEOUT
- LP: #1465796
  * usb: host: 

[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Launchpad Bug Tracker]

This bug was fixed in the package linux - 3.19.0-22.22

---
linux (3.19.0-22.22) vivid; urgency=low

  [ Brad Figg ]

  * Release Tracking Bug
- LP: #1465755

  [ Tai Nguyen ]

  * SAUCE: power: reset: Add syscon reboot device node for APM X-Gene
platform
- LP: #1463211

  [ Upstream Kernel Changes ]

  * Revert dm crypt: fix deadlock when async crypto algorithm returns
-EBUSY
- LP: #1465696
  * Bluetooth: ath3k: Add a new ID 0cf3:e006 to ath3k list
- LP: #1459934
  * cdc-acm: prevent infinite loop when parsing CDC headers.
- LP: #1460657
  * (upstream) libata: Blacklist queued TRIM on all Samsung 800-series
- LP: #1338706, #1449005
  * powerpc/powernv: Check image loaded or not before calling flash
- LP: #1461553
  * ahci: avoton port-disable reset-quirk
- LP: #1458617
  * Bluetooth: btusb: support public address configuration for ath3012
- LP: #1459937
  * Bluetooth: btusb: Add setup callback for chip init on USB
- LP: #1459937
  * Bluetooth: btusb: Add support for QCA ROME chipset family
- LP: #1459937
  * Bluetooth: btusb: Fix incorrect type in qca_device_info
- LP: #1459937
  * Bluetooth: btusb: Fix minor whitespace issue in QCA ROME device entries
- LP: #1459937
  * Bluetooth: btusb: Add support for 0cf3:e007
- LP: #1459937
  * storvsc: Set the SRB flags correctly when no data transfer is needed
- LP: #1439780
  * vfs: read file_handle only once in handle_to_path
- LP: #1416503
- CVE-2015-1420
  * ozwpan: Use unsigned ints to prevent heap overflow
- LP: #1463442
- CVE-2015-4001
  * ozwpan: divide-by-zero leading to panic
- LP: #1463445
- CVE-2015-4003
  * ozwpan: Use proper check to prevent heap overflow
- LP: #1463444
- CVE-2015-4002
  * ozwpan: unchecked signed subtraction leads to DoS
- LP: #1463444
- CVE-2015-4002
  * enclosure: fix WARN_ON removing an adapter in multi-path devices
- LP: #1415178
  * ASoC: tfa9879: Fix return value check in tfa9879_i2c_probe()
- LP: #1465696
  * ASoC: samsung: s3c24xx-i2s: Fix return value check in
s3c24xx_iis_dev_probe()
- LP: #1465696
  * ASoC: dapm: Enable autodisable on SOC_DAPM_SINGLE_TLV_AUTODISABLE
- LP: #1465696
  * ASoC: rt5677: add register patch for PLL
- LP: #1465696
  * btrfs: unlock i_mutex after attempting to delete subvolume during send
- LP: #1465696
  * ALSA: hda - Fix mute-LED fixed mode
- LP: #1465696
  * ALSA: hda - Add mute-LED mode control to Thinkpad
- LP: #1465696
  * arm64: dma-mapping: always clear allocated buffers
- LP: #1465696
  * ALSA: emu10k1: Fix card shortname string buffer overflow
- LP: #1465696
  * ALSA: emux: Fix mutex deadlock at unloading
- LP: #1465696
  * drm/radeon: Use drm_calloc_ab for CS relocs
- LP: #1465696
  * drm/radeon: adjust pll when audio is not enabled
- LP: #1465696
  * drm/radeon: add SI DPM quirk for Sapphire R9 270 Dual-X 2G GDDR5
- LP: #1465696
  * drm/radeon: fix lockup when BOs aren't part of the VM on release
- LP: #1465696
  * drm/radeon: reset BOs address after clearing it.
- LP: #1465696
  * drm/radeon: check new address before removing old one
- LP: #1465696
  * SCSI: add 1024 max sectors black list flag
- LP: #1465696
  * 3w-sas: fix command completion race
- LP: #1465696
  * 3w-: fix command completion race
- LP: #1465696
  * 3w-9xxx: fix command completion race
- LP: #1465696
  * uas: Allow uas_use_uas_driver to return usb-storage flags
- LP: #1465696
  * uas: Add US_FL_MAX_SECTORS_240 flag
- LP: #1465696
  * uas: Set max_sectors_240 quirk for ASM1053 devices
- LP: #1465696
  * usb: chipidea: otg: remove mutex unlock and lock while stop and start
role
- LP: #1465696
  * serial: xilinx: Use platform_get_irq to get irq description structure
- LP: #1465696
  * serial: of-serial: Remove device_type = serial registration
- LP: #1465696
  * tty/serial: at91: maxburst was missing for dma transfers
- LP: #1465696
  * ALSA: emux: Fix mutex deadlock in OSS emulation
- LP: #1465696
  * ACPI / SBS: Enable battery manager when present
- LP: #1465696
  * ALSA: emu10k1: Emu10k2 32 bit DMA mode
- LP: #1465696
  * ASoC: rt5677: fixed wrong DMIC ref clock
- LP: #1465696
  * rbd: end I/O the entire obj_request on error
- LP: #1465696
  * ext4: fix data corruption caused by unwritten and delayed extents
- LP: #1465696
  * ext4: move check under lock scope to close a race.
- LP: #1465696
  * powerpc/pseries: Correct cpu affinity for dlpar added cpus
- LP: #1465696
  * powerpc/powernv: Restore non-volatile CRs after nap
- LP: #1465696
  * efivarfs: Ensure VariableName is NUL-terminated
- LP: #1465696
  * x86/efi: Store upper bits of command line buffer address in
ext_cmd_line_ptr
- LP: #1465696
  * blk-mq: fix race between timeout and CPU hotplug
- LP: #1465696
  * blk-mq: fix CPU hotplug handling
- LP: #1465696
  * 

[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Launchpad Bug Tracker]

This bug was fixed in the package linux - 3.16.0-43.58

---
linux (3.16.0-43.58) utopic; urgency=low

  [ Luis Henriques ]

  * Release Tracking Bug
- LP: #1466792

  [ Brad Figg ]

  * Merged back Ubuntu-3.16.0-41.57 regression fix for security release

linux (3.16.0-42.56) utopic; urgency=low

  [ Brad Figg ]

  * Release Tracking Bug
- LP: #1465714

  [ Chris J Arges ]

  * [config] CONFIG_IPMI_POWERNV=m on ppc64el
- LP: #1439562

  [ Luis Henriques ]

  * [Config] Disable CONFIG_USB_OTG
- LP: #1411295

  [ Upstream Kernel Changes ]

  * Revert i2c: Mark adapter devices with pm_runtime_no_callbacks
- LP: #1465613
  * Revert mm/hugetlb: use pmd_page() in follow_huge_pmd()
- LP: #1465613
  * cdc-acm: prevent infinite loop when parsing CDC headers.
- LP: #1460657
  * drivers/char/ipmi: Add powernv IPMI driver
- LP: #1439562
  * powerpc/powernv: Add OPAL IPMI interface
- LP: #1439562
  * powerpc/powernv: Support OPAL requested heartbeat
- LP: #1439562
  * powerpc/kernel: Make syscall_exit a local label
- LP: #1439562
  * powerpc: Remove old compile time disabled syscall tracing code
- LP: #1439562
  * powerpc/powernv: Remove opal prefix from pr_xxx()s
- LP: #1439562
  * powerpc/powernv: Separate function for OPAL IRQ setup
- LP: #1439562
  * powerpc/powernv: Add OPAL message notifier unregister function
- LP: #1439562
  * device: Add dev_of_node() accessor
- LP: #1439562
  * drivers/core/of: Add symlink to device-tree from devices with an OF
node
- LP: #1439562
  * powerpc: Add a proper syscall for switching endianness
- LP: #1439562
  * (upstream) libata: Blacklist queued TRIM on all Samsung 800-series
- LP: #1338706, #1449005
  * ahci: avoton port-disable reset-quirk
- LP: #1458617
  * udf: Remove repeated loads blocksize
- LP: #1462173
- CVE-2015-4167
  * udf: Check length of extended attributes and allocation descriptors
- LP: #1462173
- CVE-2015-4167
  * (upstream)scsi_lib: remove the description string in
scsi_io_completion()
- LP: #1449372
  * vfs: read file_handle only once in handle_to_path
- LP: #1416503
- CVE-2015-1420
  * ozwpan: Use unsigned ints to prevent heap overflow
- LP: #1463442
- CVE-2015-4001
  * ozwpan: divide-by-zero leading to panic
- LP: #1463445
- CVE-2015-4003
  * ozwpan: Use proper check to prevent heap overflow
- LP: #1463444
- CVE-2015-4002
  * ozwpan: unchecked signed subtraction leads to DoS
- LP: #1463444
- CVE-2015-4002
  * net: eth: xgene: devm_ioremap() returns NULL on error
- LP: #1458042
  * drivers: net: xgene: fix new firmware backward compatibility with older
driver
- LP: #1458042
  * drivers: net: xgene: constify of_device_id array
- LP: #1458042
  * drivers: net: xgene: Add second SGMII based 1G interface
- LP: #1458042
  * dtb: change binding name to match with newer firmware DT
- LP: #1458042
  * dtb: xgene: Add second SGMII based 1G interface node
- LP: #1458042
  * mlx4: Fix tx ring affinity_mask creation
- LP: #1465613
  * net/mlx4_en: Schedule napi when RX buffers allocation fails
- LP: #1465613
  * efi/reboot: Add generic wrapper around EfiResetSystem()
- LP: #1465613
  * efi/reboot: Allow powering off machines using EFI
- LP: #1465613
  * x86/reboot: Add EFI reboot quirk for ACPI Hardware Reduced flag
- LP: #1465613
  * ARC: signal handling robustify
- LP: #1465613
  * UBI: fix soft lockup in ubi_check_volume()
- LP: #1465613
  * mnt: Fail collect_mounts when applied to unmounted mounts
- LP: #1465613
  * ASoC: dapm: Enable autodisable on SOC_DAPM_SINGLE_TLV_AUTODISABLE
- LP: #1465613
  * ASoC: rt5677: add register patch for PLL
- LP: #1465613
  * btrfs: unlock i_mutex after attempting to delete subvolume during send
- LP: #1465613
  * ALSA: hda - Fix mute-LED fixed mode
- LP: #1465613
  * arm64: dma-mapping: always clear allocated buffers
- LP: #1465613
  * ALSA: emu10k1: Fix card shortname string buffer overflow
- LP: #1465613
  * ALSA: emux: Fix mutex deadlock at unloading
- LP: #1465613
  * drm/radeon: add SI DPM quirk for Sapphire R9 270 Dual-X 2G GDDR5
- LP: #1465613
  * SCSI: add 1024 max sectors black list flag
- LP: #1465613
  * 3w-sas: fix command completion race
- LP: #1465613
  * 3w-: fix command completion race
- LP: #1465613
  * 3w-9xxx: fix command completion race
- LP: #1465613
  * uas: Allow uas_use_uas_driver to return usb-storage flags
- LP: #1465613
  * uas: Add US_FL_MAX_SECTORS_240 flag
- LP: #1465613
  * uas: Set max_sectors_240 quirk for ASM1053 devices
- LP: #1465613
  * usb: chipidea: otg: remove mutex unlock and lock while stop and start
role
- LP: #1465613
  * serial: xilinx: Use platform_get_irq to get irq description structure
- LP: #1465613
  * serial: of-serial: Remove device_type = serial registration
- LP: #1465613
  * 

[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Launchpad Bug Tracker]

This bug was fixed in the package linux - 3.19.0-22.22

---
linux (3.19.0-22.22) vivid; urgency=low

  [ Brad Figg ]

  * Release Tracking Bug
- LP: #1465755

  [ Tai Nguyen ]

  * SAUCE: power: reset: Add syscon reboot device node for APM X-Gene
platform
- LP: #1463211

  [ Upstream Kernel Changes ]

  * Revert dm crypt: fix deadlock when async crypto algorithm returns
-EBUSY
- LP: #1465696
  * Bluetooth: ath3k: Add a new ID 0cf3:e006 to ath3k list
- LP: #1459934
  * cdc-acm: prevent infinite loop when parsing CDC headers.
- LP: #1460657
  * (upstream) libata: Blacklist queued TRIM on all Samsung 800-series
- LP: #1338706, #1449005
  * powerpc/powernv: Check image loaded or not before calling flash
- LP: #1461553
  * ahci: avoton port-disable reset-quirk
- LP: #1458617
  * Bluetooth: btusb: support public address configuration for ath3012
- LP: #1459937
  * Bluetooth: btusb: Add setup callback for chip init on USB
- LP: #1459937
  * Bluetooth: btusb: Add support for QCA ROME chipset family
- LP: #1459937
  * Bluetooth: btusb: Fix incorrect type in qca_device_info
- LP: #1459937
  * Bluetooth: btusb: Fix minor whitespace issue in QCA ROME device entries
- LP: #1459937
  * Bluetooth: btusb: Add support for 0cf3:e007
- LP: #1459937
  * storvsc: Set the SRB flags correctly when no data transfer is needed
- LP: #1439780
  * vfs: read file_handle only once in handle_to_path
- LP: #1416503
- CVE-2015-1420
  * ozwpan: Use unsigned ints to prevent heap overflow
- LP: #1463442
- CVE-2015-4001
  * ozwpan: divide-by-zero leading to panic
- LP: #1463445
- CVE-2015-4003
  * ozwpan: Use proper check to prevent heap overflow
- LP: #1463444
- CVE-2015-4002
  * ozwpan: unchecked signed subtraction leads to DoS
- LP: #1463444
- CVE-2015-4002
  * enclosure: fix WARN_ON removing an adapter in multi-path devices
- LP: #1415178
  * ASoC: tfa9879: Fix return value check in tfa9879_i2c_probe()
- LP: #1465696
  * ASoC: samsung: s3c24xx-i2s: Fix return value check in
s3c24xx_iis_dev_probe()
- LP: #1465696
  * ASoC: dapm: Enable autodisable on SOC_DAPM_SINGLE_TLV_AUTODISABLE
- LP: #1465696
  * ASoC: rt5677: add register patch for PLL
- LP: #1465696
  * btrfs: unlock i_mutex after attempting to delete subvolume during send
- LP: #1465696
  * ALSA: hda - Fix mute-LED fixed mode
- LP: #1465696
  * ALSA: hda - Add mute-LED mode control to Thinkpad
- LP: #1465696
  * arm64: dma-mapping: always clear allocated buffers
- LP: #1465696
  * ALSA: emu10k1: Fix card shortname string buffer overflow
- LP: #1465696
  * ALSA: emux: Fix mutex deadlock at unloading
- LP: #1465696
  * drm/radeon: Use drm_calloc_ab for CS relocs
- LP: #1465696
  * drm/radeon: adjust pll when audio is not enabled
- LP: #1465696
  * drm/radeon: add SI DPM quirk for Sapphire R9 270 Dual-X 2G GDDR5
- LP: #1465696
  * drm/radeon: fix lockup when BOs aren't part of the VM on release
- LP: #1465696
  * drm/radeon: reset BOs address after clearing it.
- LP: #1465696
  * drm/radeon: check new address before removing old one
- LP: #1465696
  * SCSI: add 1024 max sectors black list flag
- LP: #1465696
  * 3w-sas: fix command completion race
- LP: #1465696
  * 3w-: fix command completion race
- LP: #1465696
  * 3w-9xxx: fix command completion race
- LP: #1465696
  * uas: Allow uas_use_uas_driver to return usb-storage flags
- LP: #1465696
  * uas: Add US_FL_MAX_SECTORS_240 flag
- LP: #1465696
  * uas: Set max_sectors_240 quirk for ASM1053 devices
- LP: #1465696
  * usb: chipidea: otg: remove mutex unlock and lock while stop and start
role
- LP: #1465696
  * serial: xilinx: Use platform_get_irq to get irq description structure
- LP: #1465696
  * serial: of-serial: Remove device_type = serial registration
- LP: #1465696
  * tty/serial: at91: maxburst was missing for dma transfers
- LP: #1465696
  * ALSA: emux: Fix mutex deadlock in OSS emulation
- LP: #1465696
  * ACPI / SBS: Enable battery manager when present
- LP: #1465696
  * ALSA: emu10k1: Emu10k2 32 bit DMA mode
- LP: #1465696
  * ASoC: rt5677: fixed wrong DMIC ref clock
- LP: #1465696
  * rbd: end I/O the entire obj_request on error
- LP: #1465696
  * ext4: fix data corruption caused by unwritten and delayed extents
- LP: #1465696
  * ext4: move check under lock scope to close a race.
- LP: #1465696
  * powerpc/pseries: Correct cpu affinity for dlpar added cpus
- LP: #1465696
  * powerpc/powernv: Restore non-volatile CRs after nap
- LP: #1465696
  * efivarfs: Ensure VariableName is NUL-terminated
- LP: #1465696
  * x86/efi: Store upper bits of command line buffer address in
ext_cmd_line_ptr
- LP: #1465696
  * blk-mq: fix race between timeout and CPU hotplug
- LP: #1465696
  * blk-mq: fix CPU hotplug handling
- LP: #1465696
  * 

[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Launchpad Bug Tracker]

This bug was fixed in the package linux - 3.13.0-57.95

---
linux (3.13.0-57.95) trusty; urgency=low

  [ Luis Henriques ]

  * Release Tracking Bug
- LP: #1466592

  [ Brad Figg ]

  * Merged back Ubuntu-3.13.0-55.94 regression fix for security release

linux (3.13.0-56.93) trusty; urgency=low

  [ Brad Figg ]

  * Release Tracking Bug
- LP: #1465798

  [ Upstream Kernel Changes ]

  * net: eth: xgene: devm_ioremap() returns NULL on error
- LP: #1458042
  * drivers: net: xgene: fix new firmware backward compatibility with older
driver
- LP: #1458042
  * drivers: net: xgene: constify of_device_id array
- LP: #1458042
  * drivers: net: xgene: Add second SGMII based 1G interface
- LP: #1458042
  * net: phy: re-design phy_modes to be self-contained
- LP: #1458042
  * dtb: change binding name to match with newer firmware DT
- LP: #1458042
  * dtb: xgene: Add second SGMII based 1G interface node
- LP: #1458042
  * Btrfs: make xattr replace operations atomic
- LP: #1438501
- CVE-2014-9710
  * cdc-acm: prevent infinite loop when parsing CDC headers.
- LP: #1460657
  * (upstream) libata: Blacklist queued TRIM on all Samsung 800-series
- LP: #1338706, #1449005
  * ahci: avoton port-disable reset-quirk
- LP: #1458617
  * xfs: avoid false quotacheck after unclean shutdown
- LP: #1461730
  * (upstream)[SCSI] Add timeout to avoid infinite command retry
- LP: #1449372
  * (upstream)scsi_lib: remove the description string in
scsi_io_completion()
- LP: #1449372
  * udf: Remove repeated loads blocksize
- LP: #1462173
- CVE-2015-4167
  * udf: Check length of extended attributes and allocation descriptors
- LP: #1462173
- CVE-2015-4167
  * vfs: read file_handle only once in handle_to_path
- LP: #1416503
- CVE-2015-1420
  * ozwpan: Use unsigned ints to prevent heap overflow
- LP: #1463442
- CVE-2015-4001
  * ozwpan: divide-by-zero leading to panic
- LP: #1463445
- CVE-2015-4003
  * ozwpan: Use proper check to prevent heap overflow
- LP: #1463444
- CVE-2015-4002
  * ozwpan: unchecked signed subtraction leads to DoS
- LP: #1463444
- CVE-2015-4002
  * Input: elantech - add new icbody type
- LP: #1464490
  * Bluetooth: ath3k: Add support Atheros AR5B195 combo Mini PCIe card
- LP: #1465796
  * power_supply: twl4030_madc: Check return value of power_supply_register
- LP: #1465796
  * power_supply: lp8788-charger: Fix leaked power supply on probe fail
- LP: #1465796
  * ARM: dts: dove: Fix uart[23] reg property
- LP: #1465796
  * xtensa: xtfpga: fix hardware lockup caused by LCD driver
- LP: #1465796
  * Drivers: hv: vmbus: Fix a bug in the error path in vmbus_open()
- LP: #1465796
  * xtensa: provide __NR_sync_file_range2 instead of __NR_sync_file_range
- LP: #1465796
  * KVM: s390: Zero out current VMDB of STSI before including level3 data.
- LP: #1465796
  * usb: musb: core: fix TX/RX endpoint order
- LP: #1465796
  * drm/radeon: fix doublescan modes (v2)
- LP: #1465796
  * usb: phy: Find the right match in devm_usb_phy_match
- LP: #1465796
  * tools lib traceevent kbuffer: Remove extra update to data pointer in
PADDING
- LP: #1465796
  * ring-buffer: Replace this_cpu_*() with __this_cpu_*()
- LP: #1465796
  * ASoC: wm8741: Fix rates constraints values
- LP: #1465796
  * cdc-wdm: fix endianness bug in debug statements
- LP: #1465796
  * staging: panel: fix lcd type
- LP: #1465796
  * UBI: account for bitflips in both the VID header and data
- LP: #1465796
  * UBI: fix out of bounds write
- LP: #1465796
  * UBI: initialize LEB number variable
- LP: #1465796
  * UBI: fix check for too many bytes
- LP: #1465796
  * ARM: S3C64XX: Use fixed IRQ bases to avoid conflicts on Cragganmore
- LP: #1465796
  * ASoC: davinci-evm: drop un-necessary remove function
- LP: #1465796
  * iscsi-target: Convert iscsi_thread_set usage to kthread.h
- LP: #1465796
  * Drivers: hv: vmbus: Don't wait after requesting offers
- LP: #1465796
  * Btrfs: fix log tree corruption when fs mounted with -o discard
- LP: #1465796
  * btrfs: don't accept bare namespace as a valid xattr
- LP: #1465796
  * ARM: 8320/1: fix integer overflow in ELF_ET_DYN_BASE
- LP: #1465796
  * rtlwifi: rtl8192cu: Add new USB ID
- LP: #1465796
  * MIPS: Hibernate: flush TLB entries earlier
- LP: #1465796
  * ASoC: cs4271: Increase delay time after reset
- LP: #1465796
  * stk1160: Make sure current buffer is released
- LP: #1465796
  * mnt: Improve the umount_tree flags
- LP: #1465796
  * ext4: make fsync to sync parent dir in no-journal for real this time
- LP: #1465796
  * Input: elantech - fix absolute mode setting on some ASUS laptops
- LP: #1465796
  * usb: define a generic USB_RESUME_TIMEOUT macro
- LP: #1465796
  * usb: host: xhci: use new USB_RESUME_TIMEOUT
- LP: #1465796
  * usb: host: 

[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Cyberbob]

Hi All,
In my Linux Mint 17.1 
if I do:
sudo smartctl -a /dev/sda | grep SATA\ Version
I receive:
SATA Version is:  SATA 3.0, 6.0 Gb/s (current: 6.0 Gb/s)

I don't understand if this means that I'M NOT affected to this Bug.

Can I do :
fstrim -v /  $LOG

without risk??

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Markus Strobl]

You need to check you firmware version:

 sudo hdparm -i /dev/sda | grep FwRev
Model=Samsung SSD 840 EVO 250GB, FwRev=EXT0DB6Q, SerialNo=x

If you have the latest rev EXT0DB6Q, then you need the fixed kernel
mentioned above.

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[munbi]

@IoannisVranos, thanks for the link, but I'm already on the latest firmware 
version for this drive (DXT09B0Q).
Maybe this drive simply does not support getting NCQ Log Emask...

[1.439428] ata1.00: failed to get NCQ Send/Recv Log Emask 0x1

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Dave Chiluk]

** Tags removed: verification-needed-utopic
** Tags added: verification-done-utopic

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  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Luis Henriques]

This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
vivid' to 'verification-done-vivid'.

If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!

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  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Luis Henriques]

This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
trusty' to 'verification-done-trusty'.

If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!


** Tags added: verification-needed-trusty verification-needed-utopic 
verification-needed-vivid

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Luis Henriques]

This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
utopic' to 'verification-done-utopic'.

If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[munbi]

If the problem is solved, change the tag 'verification-needed-trusty' to 
'verification-done-trusty'.
If verification is not done by 5 working days from today, this fix will be 
dropped from the source code, and this bug will be closed.

I really do not understand those sentences... what tag should be used if I've 
verified that the kernel in proposed
does *not* solve the problem ? Because not setting 'verification-done-vivid' 
will result in the bug to be dropped... which obviosly I don't want do happen.
If instead someone sets 'verification-needed-vivid' (as already happened) this 
will imply that the bug is solved, but it is not (at least for me).
Instruction unclear. Core dumped :-)

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  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Kendek]

So, I already use the proposed (3.19.0-22-generic) kernel on Vivid
Vervet, I installed it days ago. The discard mount option and the fstrim
command are works now, without any problem. Please do not drop the path,
but move this kernel to the stable repository.

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Kendek]

** Tags removed: verification-needed-vivid
** Tags added: verification-done-vivid

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Ioannis Vranos]

@munbi, have you installed the latest firmware available for your SSD?

You can find it here:

http://www.samsung.com/global/business/semiconductor/minisite/SSD/global/html/support/downloads.html

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Bernhard]

Trusty LTS Kernel 3.13.0-57 works for me too for a Samsung SSD 840 Pro.

** Tags removed: verification-needed-trusty
** Tags added: verification-done-trusty

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Bernhard]

Trusty LTS Vivid Kernel 3.19.0-22.22 works for me too for a Samsung SSD
840 Pro.

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  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[munbi]

I've updated to the latest kernel via Vivid Proposed (linux-image-
extra-3.19.0-22-generic   3.19.0-22.22) which per commit log should fix
the error, but I still see it:

$ dmesg | grep ata
[0.00] BIOS-e820: [mem 0xc8f9e000-0xc8ff] ACPI data
[0.00] ACPI: SSDT 0xC8FE6258 0003D2 (v01 SataRe SataTabl 
1000 INTL 20120711)
[0.00] Memory: 8056616K/8291736K available (8001K kernel code, 1232K 
rwdata, 3752K rodata, 1408K init, 1300K bss, 235120K reserved, 0K cma-reserved)
[0.233271] ACPI : EC: GPE = 0x10, I/O: command/status = 0x934, data = 0x930
[0.233500] libata version 3.00 loaded.
[0.573463] Write protecting the kernel read-only data: 12288k
[0.613795] ata1: SATA max UDMA/133 abar m2048@0xf7d3a000 port 0xf7d3a100 
irq 28
[0.613798] ata2: SATA max UDMA/133 abar m2048@0xf7d3a000 port 0xf7d3a180 
irq 28
[0.613800] ata3: SATA max UDMA/133 abar m2048@0xf7d3a000 port 0xf7d3a200 
irq 28
[0.613801] ata4: DUMMY
[0.613802] ata5: DUMMY
[0.932913] ata1: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
[0.933919] ata1.00: failed to get NCQ Send/Recv Log Emask 0x1
[0.933922] ata1.00: ATA-9: Samsung SSD 840 Series, DXT09B0Q, max UDMA/133
[0.933924] ata1.00: 976773168 sectors, multi 16: LBA48 NCQ (depth 31/32), AA
[0.934365] ata1.00: failed to get NCQ Send/Recv Log Emask 0x1
[0.934369] ata1.00: configured for UDMA/133
[0.934578] ata1.00: Enabling discard_zeroes_data
[0.934724] ata1.00: Enabling discard_zeroes_data
[0.935481] ata1.00: Enabling discard_zeroes_data
[1.252796] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[1.255611] ata2.00: ATAPI: HL-DT-ST DVD+/-RW GU90N, A100, max UDMA/100
[1.260480] ata2.00: configured for UDMA/100
[1.604669] ata3: SATA link down (SStatus 0 SControl 300)
[1.630033] EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts: 
(null)
[1.848143] systemd[1]: Starting Increase datagram queue length...
[1.858239] systemd[1]: Started Increase datagram queue length.
[3.471525] EXT4-fs (sda2): mounted filesystem with ordered data mode. Opts: 
(null)

I'm on an old Samsung SSD840 (first series) (not EVO or PRO)

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  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Dave Chiluk]

In the meantime instead of modifying your boot command line you could
test the 3.13 ppa that contains the fix that will eventually make it
into the updated kernel.

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1338706/comments/34

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  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Launchpad Bug Tracker]

** Branch linked: lp:ubuntu/trusty-proposed/linux-lts-vivid

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  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Ioannis Vranos]

@Cyberbob, there is a fix coming for *buntus 14.04 (Trusty), as you can
see at the beginning of this page (Fix Committed).

When the message becomes Fix Released, the updated kernel will be
avaible to all *buntus 14.04.


I do not remember if Linux Mint uses the official Ubuntu repositories.

If it does, when the message becomes Fix Released, the updated kernel
will be available to Linux Mint.

Since Linux Mint doesn't show all updates available via its graphical
update program,  you will have to install them, by running in terminal:

sudo apt-get update

and then

sudo apt-get dist-upgrade

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  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Cyberbob]

Hi All
First of all thanks for your job!

I have an SSD 840 EVO firmware DXT06B0Q (NOT yet update cause this
problem!!)

I'm using linux MINT 17.1 64bit with Kernel 3.13.0-37

Have I to upgrado to kernel 3.19 or will be available an official Kernel
update for the 3.13.** default on Mint 17.1 OR Will be updated  the Mint
17.2 official with kernel 3.16.***??

Many thanks in advance!

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  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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Re: [Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Andrea Bravetti]

@Cyberbob, I'm in the same situation:

SSD 840 EVO and Linux Mint 17.1 Mate Edition...

*If you upgrade your 840 firmware you will need to **rebuild a custom*
*kernel with the proper ATA HORKAGE, as I do since the upgrade,*
*or you will need to use libata.force=noncq (**which I discourage)**.*

*Don't know if and when the patch will be included in stock kernel,*
*bot the lates (3.13.0-37-generic) stil have this problem..**.*

*Hope for Mint 17.2 Rafaela...*


On Sun, Jun 21, 2015 at 10:47 AM, Cyberbob fabioc...@tiscali.it wrote:

 Hi All
 First of all thanks for your job!

 I have an SSD 840 EVO firmware DXT06B0Q (NOT yet update cause this
 problem!!)

 I'm using linux MINT 17.1 64bit with Kernel 3.13.0-37

 Have I to upgrado to kernel 3.19 or will be available an official Kernel
 update for the 3.13.** default on Mint 17.1 OR Will be updated  the Mint
 17.2 official with kernel 3.16.***??

 Many thanks in advance!

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 Title:
   Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
   set xfermode (err_mask=0x40) on upstream kernels = 3.12

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Andrea Bravetti]

@Cyberbob, I'm in the same situation:

SSD 840 EVO and Linux Mint 17.1 Mate Edition...

If you upgrade your 840 firmware you will need to rebuild a custom
kernel with the proper ATA HORKAGE, as I do since the upgrade,
or you will need to use libata.force=noncq (which I discourage).

Don't know if and when the patch will be included in stock kernel,
but the latest (3.13.0-37-generic) still have this problem...

Hope for Mint 17.2 Rafaela...

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Bernhard]

You can modify single ata channels too like I do, it works fine:

/etc/default/grub
GRUB_CMDLINE_LINUX=libata.force=10:noncq,9:noncq

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Jochen Fahrner]

Does someone know which kernel version introduced the queued trim? My
3.2 kernel seems to be not affected by this problem.

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[CvB]

There are problems with the 850 Pro as well, see, e.g.:

http://ubuntuforums.org/showthread.php?t=2282808p=13305283

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Andrei Demin]

Through, script in OP doesn't work correctly. 
fstrim: ./: FITRIM ioctl failed: input/output error

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Adam Conrad]

** Changed in: linux (Ubuntu Wily)
   Status: Invalid = Fix Committed

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Launchpad Bug Tracker]

This bug was fixed in the package linux - 3.19.0-22.22

---
linux (3.19.0-22.22) vivid; urgency=low

  [ Brad Figg ]

  * Release Tracking Bug
- LP: #1465755

  [ Tai Nguyen ]

  * SAUCE: power: reset: Add syscon reboot device node for APM X-Gene
platform
- LP: #1463211

  [ Upstream Kernel Changes ]

  * Revert dm crypt: fix deadlock when async crypto algorithm returns
-EBUSY
- LP: #1465696
  * Bluetooth: ath3k: Add a new ID 0cf3:e006 to ath3k list
- LP: #1459934
  * cdc-acm: prevent infinite loop when parsing CDC headers.
- LP: #1460657
  * (upstream) libata: Blacklist queued TRIM on all Samsung 800-series
- LP: #1338706, #1449005
  * powerpc/powernv: Check image loaded or not before calling flash
- LP: #1461553
  * ahci: avoton port-disable reset-quirk
- LP: #1458617
  * Bluetooth: btusb: support public address configuration for ath3012
- LP: #1459937
  * Bluetooth: btusb: Add setup callback for chip init on USB
- LP: #1459937
  * Bluetooth: btusb: Add support for QCA ROME chipset family
- LP: #1459937
  * Bluetooth: btusb: Fix incorrect type in qca_device_info
- LP: #1459937
  * Bluetooth: btusb: Fix minor whitespace issue in QCA ROME device entries
- LP: #1459937
  * Bluetooth: btusb: Add support for 0cf3:e007
- LP: #1459937
  * storvsc: Set the SRB flags correctly when no data transfer is needed
- LP: #1439780
  * vfs: read file_handle only once in handle_to_path
- LP: #1416503
- CVE-2015-1420
  * ozwpan: Use unsigned ints to prevent heap overflow
- LP: #1463442
- CVE-2015-4001
  * ozwpan: divide-by-zero leading to panic
- LP: #1463445
- CVE-2015-4003
  * ozwpan: Use proper check to prevent heap overflow
- LP: #1463444
- CVE-2015-4002
  * ozwpan: unchecked signed subtraction leads to DoS
- LP: #1463444
- CVE-2015-4002
  * enclosure: fix WARN_ON removing an adapter in multi-path devices
- LP: #1415178
  * ASoC: tfa9879: Fix return value check in tfa9879_i2c_probe()
- LP: #1465696
  * ASoC: samsung: s3c24xx-i2s: Fix return value check in
s3c24xx_iis_dev_probe()
- LP: #1465696
  * ASoC: dapm: Enable autodisable on SOC_DAPM_SINGLE_TLV_AUTODISABLE
- LP: #1465696
  * ASoC: rt5677: add register patch for PLL
- LP: #1465696
  * btrfs: unlock i_mutex after attempting to delete subvolume during send
- LP: #1465696
  * ALSA: hda - Fix mute-LED fixed mode
- LP: #1465696
  * ALSA: hda - Add mute-LED mode control to Thinkpad
- LP: #1465696
  * arm64: dma-mapping: always clear allocated buffers
- LP: #1465696
  * ALSA: emu10k1: Fix card shortname string buffer overflow
- LP: #1465696
  * ALSA: emux: Fix mutex deadlock at unloading
- LP: #1465696
  * drm/radeon: Use drm_calloc_ab for CS relocs
- LP: #1465696
  * drm/radeon: adjust pll when audio is not enabled
- LP: #1465696
  * drm/radeon: add SI DPM quirk for Sapphire R9 270 Dual-X 2G GDDR5
- LP: #1465696
  * drm/radeon: fix lockup when BOs aren't part of the VM on release
- LP: #1465696
  * drm/radeon: reset BOs address after clearing it.
- LP: #1465696
  * drm/radeon: check new address before removing old one
- LP: #1465696
  * SCSI: add 1024 max sectors black list flag
- LP: #1465696
  * 3w-sas: fix command completion race
- LP: #1465696
  * 3w-: fix command completion race
- LP: #1465696
  * 3w-9xxx: fix command completion race
- LP: #1465696
  * uas: Allow uas_use_uas_driver to return usb-storage flags
- LP: #1465696
  * uas: Add US_FL_MAX_SECTORS_240 flag
- LP: #1465696
  * uas: Set max_sectors_240 quirk for ASM1053 devices
- LP: #1465696
  * usb: chipidea: otg: remove mutex unlock and lock while stop and start
role
- LP: #1465696
  * serial: xilinx: Use platform_get_irq to get irq description structure
- LP: #1465696
  * serial: of-serial: Remove device_type = serial registration
- LP: #1465696
  * tty/serial: at91: maxburst was missing for dma transfers
- LP: #1465696
  * ALSA: emux: Fix mutex deadlock in OSS emulation
- LP: #1465696
  * ACPI / SBS: Enable battery manager when present
- LP: #1465696
  * ALSA: emu10k1: Emu10k2 32 bit DMA mode
- LP: #1465696
  * ASoC: rt5677: fixed wrong DMIC ref clock
- LP: #1465696
  * rbd: end I/O the entire obj_request on error
- LP: #1465696
  * ext4: fix data corruption caused by unwritten and delayed extents
- LP: #1465696
  * ext4: move check under lock scope to close a race.
- LP: #1465696
  * powerpc/pseries: Correct cpu affinity for dlpar added cpus
- LP: #1465696
  * powerpc/powernv: Restore non-volatile CRs after nap
- LP: #1465696
  * efivarfs: Ensure VariableName is NUL-terminated
- LP: #1465696
  * x86/efi: Store upper bits of command line buffer address in
ext_cmd_line_ptr
- LP: #1465696
  * blk-mq: fix race between timeout and CPU hotplug
- LP: #1465696
  * blk-mq: fix CPU hotplug handling
- LP: #1465696
  * 

[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Andrei Demin]

Samsung SSD 850 Pro, EXM02B6Q, Trusty with 3.13.0-55. There is no errors
in dmesg, multiple fstrim operatins runs just fine. Strange.

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[tilo kremer]

@chiluk: yes, i did before adding libata.force=noncq to my kernel
command line.

another article on SSDs from this manufacturer has further information:
https://blog.algolia.com/when-solid-state-drives-are-not-that-solid/

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Ioannis Vranos]

Also, for data loss to occur, you must have something like 60-70 GB of
data on the filesystem.

Data loss does not occur, if you have just clean installed some *buntu.

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Ioannis Vranos]

The command is

fstrim-all

in *buntus 14.04.

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Ioannis Vranos]

If you have not disabled NCQ in /etc/default/grub, if you run

fstrim -av

manually 3-4 times, one after the other, you will get data loss.

It has happened to me with *buntus 14.04.2, 14.10, 15.04.


If you disable NCQ in grub, everything is fine.

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Dave Chiluk]

@gimpsmart your e-mail is well written, but I don't believe it applies
to the EXT0DB6Q for the 840 EVO.

We no longer receive the failed to get NCQ Send/Recv Log Emask 0x1
errors with this level of firmware which implies that the log has been
correctly implemented.  Samsung may simply need to re-spin the firmware
for your 850 Pro drive with the fix.

That being said, running a large fstrim on a EXT0DB6Q drive did still show 
timeout similar to below

[164782.716079] ata2.00: failed command: WRITE FPDMA QUEUED
[164782.716081] ata2.00: cmd 61/60:10:28:b6:c0/00:00:1e:00:00/40 tag 2 ncq 
49152 out
[164782.716081] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)


It is because of these timeout errors that we decided to pull the
upstream commit to disable NCQ trim on samsung SSDs.

Are there any users of the EXT0DB6Q firmware that are still get the
failed to get NCQ Send/Recv Log Emask 0x1 errors?

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Dave Chiluk]

@loannis, How do you know you have data loss, and how do you know that
Ubuntu/Linux is the reason for that data loss?

None of the error message I've seen posted to the cases related to
Samsung SSDs imply that linux is causing data loss when running trim.

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Markus Strobl]

The fix is in kernel 4.0.5 and I can confirm it fixes the problem. Been
running the latest firmware on my EVO 840 SSD for a few days now and
everything looks good.

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Mark Rein]

I have reached out to Samsung again to hopefully get this falsely
advertised feature fixed at the firmware level, since the firmware is at
fault for advertising FPDMA QUEUED support (which is what QUEUED TRIM
uses), even though it doesn't support it at all.

Read this post for the letter I sent to Samsung:
https://bugs.launchpad.net/ubuntu/+source/fstrim/+bug/1449005/comments/55

You can also check prior comments by me and others in that thread, to
see more information.

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Dave Chiluk]

** Changed in: linux (Ubuntu Wily)
   Status: Incomplete = Invalid

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Ioannis Vranos]

Does the last kernel update (kernel 3.19.0-20.20) contain the fix?

I saw no reference to any Samsung SSD, at its changelog.

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Markus Wagner]

http://kernel.ubuntu.com/git/ubuntu/ubuntu-vivid.git/log/?h=master-next

Seems this one has been commited after the -20 build :(

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Dave Chiluk]

@loannis,

That is correct it will be in the -21 build of the vivid kernel, .  We
have 3 week kernel integration and test cycles.  There will be an
automated message posted here when the kernel that contains the fix is
pushed to the -proposed archives.

It should be noted that most of the Ubuntu Kernel devs that have an 840
EVO are already running the EXT0DB6Q firmware without serious issue.
The only minor issues are timeouts related to ncq trim taking too long
in certain cases.  The kernel fix removes ncq-trim which consequently
removes those messages as well.

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Dave Chiluk]

I should say that whenever upgrading firmware on a drive please make
sure you have recent backups of your data, especially considering the
nature of this issue.

It's very possible that the electron leakage in the NAND may have
already corrupted your data, and the new firmware may not be able to
restore the infrequently used/rewritten sectors *(not confirmed, but
given my understanding of the problem this is a plausible explanation
for some of the issues others are seeing).  That being said the new
firmware is supposed to help avoid this situation in the future, and as
suck I whole-heartedly recommend the upgrade.  Not only does it fix this
issue, but performance is again restored.

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https://bugs.launchpad.net/bugs/1338706

Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Brad Figg]

** Changed in: linux (Ubuntu Trusty)
   Status: Confirmed = Fix Committed

** Changed in: linux (Ubuntu Utopic)
   Status: Confirmed = Fix Committed

** Changed in: linux (Ubuntu Vivid)
   Status: Confirmed = Fix Committed

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Chris J Arges]

** Description changed:

  [Impact]
  
   * Users with Samsung 8** SSD drives see miscellaneous errors and
  warning messages in the logs depending on the firmware level of the
  drive while booting or after running trim.
  
  [Test Case]
  
   * Run this script, and then check logs for errors.
  #!/bin/bash
  
  git clone git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
  for i in {0..10} ; do
-  cp linux linux$i
+  cp -r linux linux$i
  done
  rm -rf linux*
  echo sudo fstrim requires your password
  sudo fstrim ./
  
  [Regression Potential]
  
   * There is very little regression potential as this change simply
  prevents NCQ trim from being used on Samsung 8** drives.
  
  [Other Info]
  
   * Commit is upstream.
   * Greatly increasing the timeout for the drives seems to relieve the timeout 
errors.  This may be due to trimming large numbers of sectors with single 
commands.  It may be prudent for future upstream to break up large trims into 
multiple requests on smaller regions.
  
  ===Original Bug description ==
  Samsung SSD 840 Series failed to get NCQ Send/Recv Log Emask 0x1.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-30-generic 3.13.0-30.55
  ProcVersionSignature: Ubuntu 3.13.0-30.55-generic 3.13.11.2
  Uname: Linux 3.13.0-30-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.2
  Architecture: amd64
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC0:  user   2131 F pulseaudio
  CurrentDesktop: Unity
  Date: Mon Jul  7 20:01:28 2014
  HibernationDevice: RESUME=UUID=685afcb7-7aa6-4048-af15-091d3bcd3b35
  InstallationDate: Installed on 2014-06-22 (14 days ago)
  InstallationMedia: Ubuntu 14.04 LTS Trusty Tahr - Release amd64 (20140417)
  IwConfig:
   eth0  no wireless extensions.
  
   lono wireless extensions.
  MachineType: System manufacturer System Product Name
  ProcFB: 0 nouveaufb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-30-generic 
root=UUID=d7c2e1cb-d046-460c-83b8-0cfbb330d095 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-30-generic N/A
   linux-backports-modules-3.13.0-30-generic  N/A
   linux-firmware 1.127.4
  RfKill:
  
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 09/10/2010
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 0901
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: M3N78-EM
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: Rev X.0x
  dmi.chassis.asset.tag: Asset-1234567890
  dmi.chassis.type: 3
  dmi.chassis.vendor: Chassis Manufacture
  dmi.chassis.version: Chassis Version
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvr0901:bd09/10/2010:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnM3N78-EM:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion:
  dmi.product.name: System Product Name
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Dave Chiluk]

** Changed in: linux (Ubuntu Trusty)
 Assignee: (unassigned) = Dave Chiluk (chiluk)

** Changed in: linux (Ubuntu Utopic)
 Assignee: (unassigned) = Dave Chiluk (chiluk)

** Changed in: linux (Ubuntu Vivid)
 Assignee: (unassigned) = Dave Chiluk (chiluk)

** Changed in: linux (Ubuntu Wily)
Milestone: trusty-updates = ubuntu-15.10

** Changed in: linux (Ubuntu Wily)
   Importance: High = Medium

** Changed in: linux (Ubuntu Vivid)
   Importance: Undecided = Medium

** Changed in: linux (Ubuntu Utopic)
   Importance: Undecided = Critical

** Changed in: linux (Ubuntu Utopic)
   Importance: Critical = Medium

** Changed in: linux (Ubuntu Trusty)
   Importance: Undecided = Medium

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: linux (Ubuntu Vivid)
   Status: New = Confirmed

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: linux (Ubuntu Trusty)
   Status: New = Confirmed

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: linux (Ubuntu Utopic)
   Status: New = Confirmed

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Dave Chiluk]

I've integrated the 9a9324d396967 NO NCQ Trim fix into this ppa.

https://launchpad.net/~chiluk/+archive/ubuntu/samsungncqtrim

Please test it and report back here either way.  I'll remove the ppa
when the fix hits the kernels in -updates.

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Dave Chiluk]

** Changed in: linux (Ubuntu)
Milestone: None = trusty-updates

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Dave Chiluk]

** Description changed:

  [Impact]
  
-  * Users with Samsung 8** SSD drives see miscellaneous errors and
+  * Users with Samsung 8** SSD drives see miscellaneous errors and
  warning messages in the logs depending on the firmware level of the
  drive while booting or after running trim.
  
  [Test Case]
  
-  * Run this script, and then check logs for errors.
+  * Run this script, and then check logs for errors.
  #!/bin/bash
  
  git clone git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
  for i in {0..10} ; do
-   cp linux linux$i
+  cp linux linux$i
  done
- rm -rf linux
+ rm -rf linux*
  echo sudo fstrim requires your password
  sudo fstrim ./
  
  [Regression Potential]
  
-  * There is very little regression potential as this change simply
+  * There is very little regression potential as this change simply
  prevents NCQ trim from being used on Samsung 8** drives.
  
  [Other Info]
-  
-  * Commit is upstream.
-  * Greatly increasing the timeout for the drives seems to relieve the timeout 
errors.  This may be due to trimming large numbers of sectors with single 
commands.  It may be prudent for future upstream to break up large trims into 
multiple requests on smaller regions.
  
+  * Commit is upstream.
+  * Greatly increasing the timeout for the drives seems to relieve the timeout 
errors.  This may be due to trimming large numbers of sectors with single 
commands.  It may be prudent for future upstream to break up large trims into 
multiple requests on smaller regions.
  
  ===Original Bug description ==
  Samsung SSD 840 Series failed to get NCQ Send/Recv Log Emask 0x1.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-30-generic 3.13.0-30.55
  ProcVersionSignature: Ubuntu 3.13.0-30.55-generic 3.13.11.2
  Uname: Linux 3.13.0-30-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.2
  Architecture: amd64
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC0:  user   2131 F pulseaudio
  CurrentDesktop: Unity
  Date: Mon Jul  7 20:01:28 2014
  HibernationDevice: RESUME=UUID=685afcb7-7aa6-4048-af15-091d3bcd3b35
  InstallationDate: Installed on 2014-06-22 (14 days ago)
  InstallationMedia: Ubuntu 14.04 LTS Trusty Tahr - Release amd64 (20140417)
  IwConfig:
   eth0  no wireless extensions.
  
   lono wireless extensions.
  MachineType: System manufacturer System Product Name
  ProcFB: 0 nouveaufb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-30-generic 
root=UUID=d7c2e1cb-d046-460c-83b8-0cfbb330d095 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-30-generic N/A
   linux-backports-modules-3.13.0-30-generic  N/A
   linux-firmware 1.127.4
  RfKill:
  
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 09/10/2010
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 0901
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: M3N78-EM
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: Rev X.0x
  dmi.chassis.asset.tag: Asset-1234567890
  dmi.chassis.type: 3
  dmi.chassis.vendor: Chassis Manufacture
  dmi.chassis.version: Chassis Version
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvr0901:bd09/10/2010:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnM3N78-EM:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion:
  dmi.product.name: System Product Name
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

To manage notifications about this bug go to:
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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Dave Chiluk]

** Description changed:

+ [Impact]
+ 
+  * Users with Samsung 8** SSD drives see miscellaneous errors and
+ warning messages in the logs depending on the firmware level of the
+ drive while booting or after running trim.
+ 
+ [Test Case]
+ 
+  * Run this script, and then check logs for errors.
+ #!/bin/bash
+ 
+ git clone git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
+ for i in {0..10} ; do
+   cp linux linux$i
+ done
+ rm -rf linux
+ echo sudo fstrim requires your password
+ sudo fstrim ./
+ 
+ [Regression Potential]
+ 
+  * There is very little regression potential as this change simply
+ prevents NCQ trim from being used on Samsung 8** drives.
+ 
+ [Other Info]
+  
+  * Commit is upstream.
+  * Greatly increasing the timeout for the drives seems to relieve the timeout 
errors.  This may be due to trimming large numbers of sectors with single 
commands.  It may be prudent for future upstream to break up large trims into 
multiple requests on smaller regions.
+ 
+ 
+ ===Original Bug description ==
  Samsung SSD 840 Series failed to get NCQ Send/Recv Log Emask 0x1.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-30-generic 3.13.0-30.55
  ProcVersionSignature: Ubuntu 3.13.0-30.55-generic 3.13.11.2
  Uname: Linux 3.13.0-30-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.2
  Architecture: amd64
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC0:  user   2131 F pulseaudio
  CurrentDesktop: Unity
  Date: Mon Jul  7 20:01:28 2014
  HibernationDevice: RESUME=UUID=685afcb7-7aa6-4048-af15-091d3bcd3b35
  InstallationDate: Installed on 2014-06-22 (14 days ago)
  InstallationMedia: Ubuntu 14.04 LTS Trusty Tahr - Release amd64 (20140417)
  IwConfig:
   eth0  no wireless extensions.
  
   lono wireless extensions.
  MachineType: System manufacturer System Product Name
  ProcFB: 0 nouveaufb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-30-generic 
root=UUID=d7c2e1cb-d046-460c-83b8-0cfbb330d095 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-30-generic N/A
   linux-backports-modules-3.13.0-30-generic  N/A
   linux-firmware 1.127.4
  RfKill:
  
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 09/10/2010
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 0901
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: M3N78-EM
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: Rev X.0x
  dmi.chassis.asset.tag: Asset-1234567890
  dmi.chassis.type: 3
  dmi.chassis.vendor: Chassis Manufacture
  dmi.chassis.version: Chassis Version
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvr0901:bd09/10/2010:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnM3N78-EM:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion:
  dmi.product.name: System Product Name
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Chris J Arges]

** Also affects: linux (Ubuntu Trusty)
   Importance: Undecided
   Status: New

** Also affects: linux (Ubuntu Utopic)
   Importance: Undecided
   Status: New

** Also affects: linux (Ubuntu Vivid)
   Importance: Undecided
   Status: New

** Also affects: linux (Ubuntu Wily)
   Importance: High
 Assignee: Dave Chiluk (chiluk)
   Status: Incomplete

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Dave Chiluk]

** Changed in: linux (Ubuntu)
 Assignee: (unassigned) = Dave Chiluk (chiluk)

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Dave Chiluk]

So after some additional testing it looks like NCQ Trim on the Samsung
8**  drives still has issues.

It looks like it mostly works, but once the drive gets saturated with a
large trim *(i.e. deleting 5 kernel trees, and then fstrimming), the
kernel starts to hit timeouts.  Increasing the timeouts to 200 seconds
or more appears to alleviate these errors, but upstream has already
blacklisted the drive altogether for NCQ trim.

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9a9324d396967

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Dave Chiluk]

I am running the EXT0DB6Q firmware on my 840 EVO + 3.13.0-53 , and think
this issue may have cleared up somewhat.

The first time I ran   
chiluk@beastly:/etc/cron.weekly$ sudo fstrim /home
I got.
^[OQfstrim: /home: FITRIM ioctl failed: Input/output error

The Log showed
[164782.716062] ata2.00: exception Emask 0x0 SAct 0x104 SErr 0x0 action 0x6 
frozen
[164782.716079] ata2.00: failed command: WRITE FPDMA QUEUED
[164782.716081] ata2.00: cmd 61/60:10:28:b6:c0/00:00:1e:00:00/40 tag 2 ncq 
49152 out
[164782.716081]  res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 
(timeout)
[164782.716083] ata2.00: status: { DRDY }
[164782.716084] ata2.00: failed command: WRITE FPDMA QUEUED
[164782.716086] ata2.00: cmd 61/08:c0:00:1b:ce/00:00:30:00:00/40 tag 24 ncq 
4096 out
[164782.716086]  res 40/00:01:00:00:00/00:00:00:00:00/00 Emask 0x4 
(timeout)
[164782.716087] ata2.00: status: { DRDY }
[164782.716090] ata2: hard resetting link
[164783.036088] ata2: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
[164783.036268] ata2.00: supports DRM functions and may not be fully accessible
[164783.036537] ata2.00: supports DRM functions and may not be fully accessible
[164783.036584] ata2.00: configured for UDMA/133
[164783.052085] ata2.00: device reported invalid CHS sector 0
[164783.052093] ata2: EH complete

It sounds like the drive was just taking too long for the writes to
complete. Hence the (timeout).   I ran it a second time, and did not get
these errors.  These errors may also be related to the charge
degredation of the the TLC nand on these drives.  This may be also
partially due to the way the samsung firmware is managing sectors on the
drive.  In that it might be needing to restructure/rewrite metadata due
to my recent firmware update.

I then went and cleaned some 30gb out of my home dir, and ran it a third
time.  I did not get any errors this time.

Also how are you guys enabling trim.  It is recommended that you not
enable trim by adding discard to the mount options.  This will greatly
slow down deletes.  Instead it is recommended that you let fstrim-all
run out of anacron /etc/cron.weekly/fstrim.  Your above trim tests will
show that trim is not enabled, when it is actually being run weekly in
the background.  If you need trim run more frequently than that move it
to the daily or hourly folder.  Just be careful with doing so.

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Dave Chiluk]

I'm running 3.13.0-53-generic from ubuntu, with the latest EXT0DB6Q, on
a q87 motherboard connected to sata 3 connectors, and am not seeing the
original issue.

[1.108155] ata2: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
snip
[1.110025] ata2.00: supports DRM functions and may not be fully accessible
[1.110107] ata2.00: ATA-9: Samsung SSD 840 EVO 500GB, EXT0DB6Q, max UDMA/133
[1.110110] ata2.00: 976773168 sectors, multi 1: LBA48 NCQ (depth 31/32), AA
[1.110293] ata2.00: supports DRM functions and may not be fully accessible
[1.110336] ata2.00: configured for UDMA/133

Is anyone seeing this issue that has the drive connected sata 3 (6gbps)
ports?  I wonder if the drive is doing something different when
connected to sata 2.

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[code_onkel]

I'm on Ubuntu 12.04 with kernel 3.13.0-49-generic and experiencing the
same problem with a freshly bought Samsung SSD 850 Pro and can confirm
what already has been stated at
https://bugzilla.kernel.org/show_bug.cgi?id=72341.

- Enabled NCQ and TRIM (=queued TRIM) causes errors and a fallback after some 
timeout to SATA with 3Gb/s
- Setting either libata.force=noncq or disabling TRIM via mount options 
resolves the issue

My dmesg looks slighty different, though. I will post it later.

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[code_onkel]

** Attachment added: dmesg subset (relevant disc is ata2)
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1338706/+attachment/4381943/+files/2015-04-23-dmesg-850pro-sata-errors-lp.txt

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Patryk]

I have the same on Ubuntu 14.04 and 3.17.8

Mar 12 20:36:21 icanseeyou kernel: [2.344273] scsi host1: ahci
Mar 12 20:36:21 icanseeyou kernel: [2.344352] scsi host2: ahci
Mar 12 20:36:21 icanseeyou kernel: [2.33] scsi host3: ahci
Mar 12 20:36:21 icanseeyou kernel: [2.344532] scsi host4: ahci
Mar 12 20:36:21 icanseeyou kernel: [2.345871] scsi host5: ahci
Mar 12 20:36:21 icanseeyou kernel: [2.345927] ata1: DUMMY
Mar 12 20:36:21 icanseeyou kernel: [2.345927] ata2: DUMMY
Mar 12 20:36:21 icanseeyou kernel: [2.345929] ata3: SATA max UDMA/133 abar 
m2048@0xf7f15000 port 0xf7f15200 irq 31
Mar 12 20:36:21 icanseeyou kernel: [2.345929] ata4: DUMMY
Mar 12 20:36:21 icanseeyou kernel: [2.345931] ata5: SATA max UDMA/133 abar 
m2048@0xf7f15000 port 0xf7f15300 irq 31
Mar 12 20:36:21 icanseeyou kernel: [2.345931] ata6: DUMMY
Mar 12 20:36:21 icanseeyou kernel: [2.457966] usb 3-11: new high-speed USB 
device number 2 using xhci_hcd
Mar 12 20:36:21 icanseeyou kernel: [2.920255] Switched to clocksource tsc
Mar 12 20:36:21 icanseeyou kernel: [2.989771] usb 3-11: New USB device 
found, idVendor=0424, idProduct=2514
Mar 12 20:36:21 icanseeyou kernel: [2.989772] usb 3-11: New USB device 
strings: Mfr=0, Product=0, SerialNumber=0
Mar 12 20:36:21 icanseeyou kernel: [2.990144] hub 3-11:1.0: USB hub found
Mar 12 20:36:21 icanseeyou kernel: [2.990196] hub 3-11:1.0: 4 ports detected
Mar 12 20:36:21 icanseeyou kernel: [3.025645] ata5: SATA link up 6.0 Gbps 
(SStatus 133 SControl 300)
Mar 12 20:36:21 icanseeyou kernel: [3.025657] ata3: SATA link up 6.0 Gbps 
(SStatus 133 SControl 300)
Mar 12 20:36:21 icanseeyou kernel: [3.026877] ata5.00: ACPI cmd 
ef/10:06:00:00:00:00 (SET FEATURES) succeeded
Mar 12 20:36:21 icanseeyou kernel: [3.026879] ata5.00: ACPI cmd 
f5/00:00:00:00:00:00 (SECURITY FREEZE LOCK) filtered out
Mar 12 20:36:21 icanseeyou kernel: [3.026879] ata5.00: ACPI cmd 
b1/c1:00:00:00:00:00 (DEVICE CONFIGURATION OVERLAY) filtered out
Mar 12 20:36:21 icanseeyou kernel: [3.027612] ata3.00: failed to get NCQ 
Send/Recv Log Emask 0x1
Mar 12 20:36:21 icanseeyou kernel: [3.027612] ata3.00: ATA-9: Samsung SSD 
840 EVO 250GB, EXT0BB0Q, max UDMA/133
Mar 12 20:36:21 icanseeyou kernel: [3.027613] ata3.00: 488397168 sectors, 
multi 16: LBA48 NCQ (depth 31/32), AA   
  
Mar 12 20:36:21 icanseeyou kernel: [3.027828] ata3.00: failed to get NCQ 
Send/Recv Log Emask 0x1
Mar 12 20:36:21 icanseeyou kernel: [3.027829] ata3.00: configured for 
UDMA/133

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[LPNow]

It would really be great if Canonical, or the developers could contact
Samsung, if anyone knows how?

I wonder if Samsung is even aware of this situation, or if they really
care. I'd hate to think we're going to have to sit around and wait on
this, because this has been going in their SSDs already over a year,
what's to say this is ever going to get fixed, unless we get some
Developmental Clout out there sending them word?

PLEASE Canonical I IMPLORE you KINDLY to reach out to Samsung over this?

It would also be great if someone can reply to this post here and let us
know too?

THANK YOU! :)

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[LPNow]

By the way, for testing Trim support, just get this script below, and
run it, it's a lot simpler to use, instead of all the reading and doing
from the link binjarac (coppensmeister) provided...

wget -O /tmp/test_trim.sh
https://sites.google.com/site/lightrush/random-1/checkiftrimonext4isenabledandworking/test_trim.sh?attredirects=0d=1;

You can also read about it here;

http://lightrush.ndoytchev.com/random-1/checkiftrimonext4isenabledandworking

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[binjarac]

During a fresh install today  (14.04.1 on Samsung 850 Pro) I also hit this bug.
I noticed the same issue on a 13.04 install on a Samsung 840 Pro (after fw 
upgrade) that I am running for quite some time now.
Allthough running fstrim manually is still working, I found this litte test 
which seems to work and confirm TRIM is active and working.
I thought I'd register and share this (hopefully) useful info with you. 
Run test as per description below:

http://techgage.com/article/enabling_and_testing_ssd_trim_support_under_linux/2/

Hope this shed some light on the matter

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[LPNow]

Does anyone have any contact information the end-user can contact
Samsung over this matter, and I don't mean supp...@samsung.com that
email address is pointless...

The queued trim support is broke on the SSD's from Samsung and the fix
is going to have to come from them, but I'm wondering if they're even
aware of this since it's been going on for a few years now.

I think it's best if end-users can contact Samsung, so they are aware,
but we need some good contact info, if anyone knows?

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[LPNow]

This has been reported on the Kernel Bug Tracker;

https://bugzilla.kernel.org/show_bug.cgi?id=72341

According to them queued trim support is broke on the drive.

I also experienced this on an 840 Pro and now I have the same issue on
an 850 Pro.

It's my understanding we have to wait on a fix from Samsung, so maybe
someone at Canonical knows how to get a hold of Samsung to let them know
that queued trim support is broken on their SSDs in Linux...

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[tilo kremer]

The updated firmware does not solve this for me, the message is still there: 
3.13.0-44-generic #73-Ubuntu SMP Tue Dec 16 00:22:43 UTC 2014 x86_64 x86_64 
x86_64 GNU/Linux
ata1.00: failed to get NCQ Send/Recv Log Emask 0x1

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[tilo kremer]

see https://bugzilla.kernel.org/show_bug.cgi?id=72341

** Bug watch added: Linux Kernel Bug Tracker #72341
   http://bugzilla.kernel.org/show_bug.cgi?id=72341

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Christopher M. Penalver]

tilo kremer, thank you for your comment. So your problem and hardware may be 
tracked, could you please file a new report with Ubuntu by executing the 
following in a terminal while booted into the default Ubuntu kernel (not a 
mainline one) via:
ubuntu-bug linux

For more on this, please read the official Ubuntu documentation:
Ubuntu Bug Control and Ubuntu Bug Squad: 
https://wiki.ubuntu.com/Bugs/BestPractices#X.2BAC8-Reporting.Focus_on_One_Issue
Ubuntu Kernel Team: 
https://wiki.ubuntu.com/KernelTeam/KernelTeamBugPolicies#Filing_Kernel_Bug_reports
https://wiki.ubuntu.com/Kernel/Policies/DuplicateBugs
Ubuntu Community: 
https://help.ubuntu.com/community/ReportingBugs#Bug_reporting_etiquette

When opening up the new report, please feel free to subscribe me to it.

As well, please do not announce in this report you created a new bug
report.

Thank you for your understanding.

Helpful bug reporting tips:
https://wiki.ubuntu.com/ReportingBugs

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Michele Costantino Soccio]

I have solved the problem with an update to the Firmware.
I have followed the instructions at this page (as Samsung tools only works from 
Windows/DOS):
https://www.content-space.de/dokuwiki/blog/2012/updating_a_samsung_ssd_840_firmware_with_linux

I am happily running a 3.13 kernel version:
Linux Maggie 3.13.0-40-generic #69-Ubuntu SMP Thu Nov 13 17:53:56 UTC 2014 
x86_64 x86_64 x86_64 GNU/Linux

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Christopher M. Penalver]

Augusto Bortoluzzi, could you please test 3.18-rc3 and advise to the
results?

If reproducible, the next step is to fully commit bisect from kernel
3.12 to 3.13 in order to identify the last good kernel commit, followed
immediately by the first bad one. This will allow for a more expedited
analysis of the root cause of your issue.  Could you please do this
following https://wiki.ubuntu.com/Kernel/KernelBisection ? Please note,
finding adjacent kernel versions is not fully commit bisecting.

Thank you for your understanding.

Helpful bug reporting tips:
https://wiki.ubuntu.com/ReportingBugs

** Tags added: needs-bisect regression-upgrade

** Changed in: linux (Ubuntu)
   Status: Triaged = Incomplete

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[ehab]

Dear Sirs,
I have the same drive model, Mint 17 gives me the same error, so does Windows 
7, well not exactly the same error but it is not able to sync at sata 3 speeds 
and goes down to sata 1 ( same happens in linux ) would this be the same issue?

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Michele Costantino Soccio]

I have tried with a 3.17 kernel and still got the same error.

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Michele Costantino Soccio]

I am getting the same error. I have tried as well a Live USB of Ubuntu
14.10 Beta, which fails to detect the drive (I can't risk installing the
whole system as this is my production computer).

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Allard Pruim]

When I use dmesg I see the following lines:

allard@ubuntu-laptop-allard:~$ dmesg | grep ata1
[1.196018] ata1: SATA max UDMA/133 abar m2048@0xc2617000 port 0xc2617100 
irq 42
[1.515247] ata1: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
[1.515449] ata1.00: supports DRM functions and may not be fully accessible
[1.515545] ata1.00: failed to get NCQ Send/Recv Log Emask 0x1
[1.515547] ata1.00: ATA-9: Samsung SSD 840 EVO 120GB, EXT0BB6Q, max UDMA/133
[1.515549] ata1.00: 234441648 sectors, multi 1: LBA48 NCQ (depth 31/32), AA
[1.515782] ata1.00: supports DRM functions and may not be fully accessible
[1.515851] ata1.00: failed to get NCQ Send/Recv Log Emask 0x1
[1.515854] ata1.00: configured for UDMA/133

Can anyone tell me what failed to get NCQ Send/Recv Log Emask 0x1
exactly means?

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Jarkko Korpi]

I am also getting these errors with mint17

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Augusto Bortoluzzi]

Please could you confirm this bug to official LKML 
https://lkml.org/lkml/2014/7/16/724
so maybe someone could notice it or could address it to the right person. Thanks

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Luis Alvarado]

This really scared the hell out of me. My first SDD and now it's going
to die I thought. Thanks for pointing out it was a bug. Tested on Ubuntu
14.04.1 32/64. On both cases it shows the error many times. Some days it
repeats the error endlessly.

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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[Bug 1338706] Re: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels = 3.12

[Augusto Bortoluzzi]

I reported the problem to linux-kernel ML:
https://lkml.org/lkml/2014/7/16/724

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Title:
  Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to
  set xfermode (err_mask=0x40) on upstream kernels = 3.12

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