[Bug 1689980] Re: AACRAID for power9 platform

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[Bug 1689980] Re: AACRAID for power9 platform

[Manoj Iyer]

** Tags added: triage-g

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[Bug 1689980] Re: AACRAID for power9 platform

[Manoj Iyer]

** Changed in: ubuntu-power-systems
   Status: New => Fix Released

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[Bug 1689980] Re: AACRAID for power9 platform

[Launchpad Bug Tracker]

This bug was fixed in the package linux - 4.10.0-28.32

---
linux (4.10.0-28.32) zesty; urgency=low

  * linux: 4.10.0-28.32 -proposed tracker (LP: #1701013)

  * KILLER1435-S[0489:e0a2] BT cannot search BT 4.0 device (LP: #1699651)
- Bluetooth: btusb: Add support for 0489:e0a2 QCA_ROME device

  * aacraid driver may return uninitialized stack data to userspace
(LP: #1700077)
- SAUCE: scsi: aacraid: Don't copy uninitialized stack memory to userspace

  * CVE-2017-9605
- drm/vmwgfx: Make sure backup_handle is always valid

  * CVE-2017-1000380
- ALSA: timer: Fix race between read and ioctl
- ALSA: timer: Fix missing queue indices reset at SNDRV_TIMER_IOCTL_SELECT

  * XDP eBPF programs fail to verify on Zesty ppc64el (LP: #1699627)
- [Config] ppc64el: build for Power8 not Power7

  * AACRAID for power9 platform (LP: #1689980)
- scripts/spelling.txt: add "therfore" pattern and fix typo instances
- scsi: aacraid: fix PCI error recovery path
- scsi: aacraid: pci_alloc_consistent() failures on ARM64
- scsi: aacraid: Remove __GFP_DMA for raw srb memory
- scsi: aacraid: Fix DMAR issues with iommu=pt
- scsi: aacraid: Added 32 and 64 queue depth for arc natives
- scsi: aacraid: Set correct Queue Depth for HBA1000 RAW disks
- scsi: aacraid: Remove reset support from check_health
- scsi: aacraid: Change wait time for fib completion
- scsi: aacraid: Log count info of scsi cmds before reset
- scsi: aacraid: Print ctrl status before eh reset
- scsi: aacraid: Using single reset mask for IOP reset
- scsi: aacraid: Rework IOP reset
- scsi: aacraid: Add periodic checks to see IOP reset status
- scsi: aacraid: Rework SOFT reset code
- scsi: aacraid: Rework aac_src_restart
- scsi: aacraid: Use correct function to get ctrl health
- scsi: aacraid: Make sure ioctl returns on controller reset
- scsi: aacraid: Enable ctrl reset for both hba and arc
- scsi: aacraid: Add reset debugging statements
- scsi: aacraid: Remove reference to Series-9
- scsi: aacraid: Update driver version to 50834

  * arm64 kernel crashdump support (LP: #1694859)
- memblock: add memblock_clear_nomap()
- memblock: add memblock_cap_memory_range()
- arm64: limit memory regions based on DT property, usable-memory-range
- arm64: kdump: reserve memory for crash dump kernel
- arm64: mm: add set_memory_valid()
- arm64: mm: use phys_addr_t instead of unsigned long in __map_memblock
- arm64: kdump: protect crash dump kernel memory
- arm64: hibernate: preserve kdump image around hibernation
- arm64: kdump: implement machine_crash_shutdown()
- arm64: kdump: add VMCOREINFO's for user-space tools
- [Config] CONFIG_CRASH_DUMP=y on arm64
- arm64: kdump: provide /proc/vmcore file
- Documentation: kdump: describe arm64 port
- Documentation: dt: chosen properties for arm64 kdump
- efi/libstub/arm*: Set default address and size cells values for an empty 
dtb

  * hibmc driver does not include "pci:" prefix in bus ID (LP: #1698700)
- SAUCE: drm: hibmc: Use set_busid function from drm core

  * Processes in "D" state due to zap_pid_ns_processes kernel call with Ubuntu +
Docker (LP: #1698264)
- pid_ns: Sleep in TASK_INTERRUPTIBLE in zap_pid_ns_processes

  * Bugfixes for  hns network driver (LP: #1696031)
- hns_enet: use cpumask_var_t for on-stack mask
- net: hns: fix uninitialized data use
- net: hns: avoid gcc-7.0.1 warning for uninitialized data
- net: hns: Add ACPI support to check SFP present
- net: hns: Fix the implementation of irq affinity function
- net: hns: Modify GMAC init TX threshold value
- net: hns: Optimize the code for GMAC pad and crc Config
- net: hns: Remove redundant memset during buffer release
- net: hns: bug fix of ethtool show the speed
- net: hns: Optimize hns_nic_common_poll for better performance
- net: hns: Fix to adjust buf_size of ring according to mtu
- net: hns: Replace netif_tx_lock to ring spin lock
- net: hns: Correct HNS RSS key set function
- net: hns: Remove the redundant adding and deleting mac function
- net: hns: Remove redundant mac_get_id()
- net: hns: Remove redundant mac table operations
- net: hns: Clean redundant code from hns_mdio.c file
- net: hns: Optimise the code in hns_mdio_wait_ready()
- net: hns: Simplify the exception sequence in hns_ppe_init()
- net: hns: Adjust the SBM module buffer threshold
- net: hns: Avoid Hip06 chip TX packet line bug
- net: hns: Some checkpatch.pl script & warning fixes
- net: hns: support deferred probe when can not obtain irq
- net: hns: support deferred probe when no mdio
- net: hns: fix ethtool_get_strings overflow in hns driver

  * CVE-2017-7346
- drm/vmwgfx: limit the number of mip levels in 
vmw_gb_surface_define_ioctl()

  * [SRU][Zesty] qcom_emac is unable to get ip address with at803x 

[Bug 1689980] Re: AACRAID for power9 platform

[Launchpad Bug Tracker]

This bug was fixed in the package linux - 4.10.0-28.32

---
linux (4.10.0-28.32) zesty; urgency=low

  * linux: 4.10.0-28.32 -proposed tracker (LP: #1701013)

  * KILLER1435-S[0489:e0a2] BT cannot search BT 4.0 device (LP: #1699651)
- Bluetooth: btusb: Add support for 0489:e0a2 QCA_ROME device

  * aacraid driver may return uninitialized stack data to userspace
(LP: #1700077)
- SAUCE: scsi: aacraid: Don't copy uninitialized stack memory to userspace

  * CVE-2017-9605
- drm/vmwgfx: Make sure backup_handle is always valid

  * CVE-2017-1000380
- ALSA: timer: Fix race between read and ioctl
- ALSA: timer: Fix missing queue indices reset at SNDRV_TIMER_IOCTL_SELECT

  * XDP eBPF programs fail to verify on Zesty ppc64el (LP: #1699627)
- [Config] ppc64el: build for Power8 not Power7

  * AACRAID for power9 platform (LP: #1689980)
- scripts/spelling.txt: add "therfore" pattern and fix typo instances
- scsi: aacraid: fix PCI error recovery path
- scsi: aacraid: pci_alloc_consistent() failures on ARM64
- scsi: aacraid: Remove __GFP_DMA for raw srb memory
- scsi: aacraid: Fix DMAR issues with iommu=pt
- scsi: aacraid: Added 32 and 64 queue depth for arc natives
- scsi: aacraid: Set correct Queue Depth for HBA1000 RAW disks
- scsi: aacraid: Remove reset support from check_health
- scsi: aacraid: Change wait time for fib completion
- scsi: aacraid: Log count info of scsi cmds before reset
- scsi: aacraid: Print ctrl status before eh reset
- scsi: aacraid: Using single reset mask for IOP reset
- scsi: aacraid: Rework IOP reset
- scsi: aacraid: Add periodic checks to see IOP reset status
- scsi: aacraid: Rework SOFT reset code
- scsi: aacraid: Rework aac_src_restart
- scsi: aacraid: Use correct function to get ctrl health
- scsi: aacraid: Make sure ioctl returns on controller reset
- scsi: aacraid: Enable ctrl reset for both hba and arc
- scsi: aacraid: Add reset debugging statements
- scsi: aacraid: Remove reference to Series-9
- scsi: aacraid: Update driver version to 50834

  * arm64 kernel crashdump support (LP: #1694859)
- memblock: add memblock_clear_nomap()
- memblock: add memblock_cap_memory_range()
- arm64: limit memory regions based on DT property, usable-memory-range
- arm64: kdump: reserve memory for crash dump kernel
- arm64: mm: add set_memory_valid()
- arm64: mm: use phys_addr_t instead of unsigned long in __map_memblock
- arm64: kdump: protect crash dump kernel memory
- arm64: hibernate: preserve kdump image around hibernation
- arm64: kdump: implement machine_crash_shutdown()
- arm64: kdump: add VMCOREINFO's for user-space tools
- [Config] CONFIG_CRASH_DUMP=y on arm64
- arm64: kdump: provide /proc/vmcore file
- Documentation: kdump: describe arm64 port
- Documentation: dt: chosen properties for arm64 kdump
- efi/libstub/arm*: Set default address and size cells values for an empty 
dtb

  * hibmc driver does not include "pci:" prefix in bus ID (LP: #1698700)
- SAUCE: drm: hibmc: Use set_busid function from drm core

  * Processes in "D" state due to zap_pid_ns_processes kernel call with Ubuntu +
Docker (LP: #1698264)
- pid_ns: Sleep in TASK_INTERRUPTIBLE in zap_pid_ns_processes

  * Bugfixes for  hns network driver (LP: #1696031)
- hns_enet: use cpumask_var_t for on-stack mask
- net: hns: fix uninitialized data use
- net: hns: avoid gcc-7.0.1 warning for uninitialized data
- net: hns: Add ACPI support to check SFP present
- net: hns: Fix the implementation of irq affinity function
- net: hns: Modify GMAC init TX threshold value
- net: hns: Optimize the code for GMAC pad and crc Config
- net: hns: Remove redundant memset during buffer release
- net: hns: bug fix of ethtool show the speed
- net: hns: Optimize hns_nic_common_poll for better performance
- net: hns: Fix to adjust buf_size of ring according to mtu
- net: hns: Replace netif_tx_lock to ring spin lock
- net: hns: Correct HNS RSS key set function
- net: hns: Remove the redundant adding and deleting mac function
- net: hns: Remove redundant mac_get_id()
- net: hns: Remove redundant mac table operations
- net: hns: Clean redundant code from hns_mdio.c file
- net: hns: Optimise the code in hns_mdio_wait_ready()
- net: hns: Simplify the exception sequence in hns_ppe_init()
- net: hns: Adjust the SBM module buffer threshold
- net: hns: Avoid Hip06 chip TX packet line bug
- net: hns: Some checkpatch.pl script & warning fixes
- net: hns: support deferred probe when can not obtain irq
- net: hns: support deferred probe when no mdio
- net: hns: fix ethtool_get_strings overflow in hns driver

  * CVE-2017-7346
- drm/vmwgfx: limit the number of mip levels in 
vmw_gb_surface_define_ioctl()

  * [SRU][Zesty] qcom_emac is unable to get ip address with at803x 

[Bug 1689980] Re: AACRAID for power9 platform

[Kleber Sacilotto de Souza]

** Tags added: verification-done-zesty

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[Bug 1689980] Re: AACRAID for power9 platform

[bugproxy]

** Tags removed: bugnameltc-155096 kernel-da-key severity-high
ubuntu-17.04 verification-done-zesty zesty

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[Bug 1689980] Re: AACRAID for power9 platform

[Launchpad Bug Tracker]

This bug was fixed in the package linux - 4.11.0-10.15

---
linux (4.11.0-10.15) artful; urgency=low

  * linux: 4.11.0-10.15 -proposed tracker (LP: #1701271)

  * Artful update to v4.11.8 stable release (LP: #1701269)
- clk: sunxi-ng: a31: Correct lcd1-ch1 clock register offset
- clk: sunxi-ng: v3s: Fix usb otg device reset bit
- clk: sunxi-ng: sun5i: Fix ahb_bist_clk definition
- xen/blkback: fix disconnect while I/Os in flight
- xen-blkback: don't leak stack data via response ring
- ALSA: firewire-lib: Fix stall of process context at packet error
- ALSA: pcm: Don't treat NULL chmap as a fatal error
- ALSA: hda - Add Coffelake PCI ID
- ALSA: hda - Apply quirks to Broxton-T, too
- fs/exec.c: account for argv/envp pointers
- powerpc/perf: Fix oops when kthread execs user process
- autofs: sanity check status reported with AUTOFS_DEV_IOCTL_FAIL
- fs/dax.c: fix inefficiency in dax_writeback_mapping_range()
- lib/cmdline.c: fix get_options() overflow while parsing ranges
- perf/x86/intel: Add 1G DTLB load/store miss support for SKL
- perf probe: Fix probe definition for inlined functions
- KVM: x86: fix singlestepping over syscall
- KVM: MIPS: Fix maybe-uninitialized build failure
- KVM: s390: gaccess: fix real-space designation asce handling for gmap
  shadows
- KVM: PPC: Book3S HV: Cope with host using large decrementer mode
- KVM: PPC: Book3S HV: Preserve userspace HTM state properly
- KVM: PPC: Book3S HV: Ignore timebase offset on POWER9 DD1
- KVM: PPC: Book3S HV: Context-switch EBB registers properly
- KVM: PPC: Book3S HV: Restore critical SPRs to host values on guest exit
- KVM: PPC: Book3S HV: Save/restore host values of debug registers
- CIFS: Improve readdir verbosity
- CIFS: Fix some return values in case of error in 'crypt_message'
- cxgb4: notify uP to route ctrlq compl to rdma rspq
- HID: Add quirk for Dell PIXART OEM mouse
- random: silence compiler warnings and fix race
- signal: Only reschedule timers on signals timers have sent
- powerpc/kprobes: Pause function_graph tracing during jprobes handling
- powerpc/64s: Handle data breakpoints in Radix mode
- Input: i8042 - add Fujitsu Lifebook AH544 to notimeout list
- brcmfmac: add parameter to pass error code in firmware callback
- brcmfmac: use firmware callback upon failure to load
- brcmfmac: unbind all devices upon failure in firmware callback
- time: Fix clock->read(clock) race around clocksource changes
- time: Fix CLOCK_MONOTONIC_RAW sub-nanosecond accounting
- arm64/vdso: Fix nsec handling for CLOCK_MONOTONIC_RAW
- target: Fix kref->refcount underflow in transport_cmd_finish_abort
- iscsi-target: Fix delayed logout processing greater than
  SECONDS_FOR_LOGOUT_COMP
- iscsi-target: Reject immediate data underflow larger than SCSI transfer
  length
- drm/radeon: add a PX quirk for another K53TK variant
- drm/radeon: add a quirk for Toshiba Satellite L20-183
- drm/amdgpu/atom: fix ps allocation size for EnableDispPowerGating
- drm/amdgpu: adjust default display clock
- drm/amdgpu: add Polaris12 DID
- ACPI / scan: Apply default enumeration to devices with ACPI drivers
- ACPI / scan: Fix enumeration for special SPI and I2C devices
- rxrpc: Fix several cases where a padded len isn't checked in ticket decode
- drm: Fix GETCONNECTOR regression
- usb: gadget: f_fs: avoid out of bounds access on comp_desc
- spi: double time out tolerance
- net: phy: fix marvell phy status reading
- brcmfmac: fix uninitialized warning in brcmf_usb_probe_phase2()
- Linux 4.11.8

  * powerpc: Invalidate ERAT on powersave wakeup for POWER9 (LP: #1700521)
- SAUCE: powerpc: Invalidate ERAT on powersave wakeup for POWER9

  * Miscellaneous Ubuntu changes
- d-i: Move qcom-emac from arm64 to shared nic-modules

 -- Seth Forshee   Thu, 29 Jun 2017 08:46:53
-0500

** Changed in: linux (Ubuntu)
   Status: Fix Committed => Fix Released

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[Bug 1689980] Re: AACRAID for power9 platform

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

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[Bug 1689980] Re: AACRAID for power9 platform

[Kleber Sacilotto de Souza]

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-
zesty' to 'verification-done-zesty'. If the problem still exists, change
the tag 'verification-needed-zesty' to 'verification-failed-zesty'.

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-zesty

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[Bug 1689980] Re: AACRAID for power9 platform

[Stefan Bader]

** Changed in: linux (Ubuntu Zesty)
   Status: In Progress => Fix Committed

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[Bug 1689980] Re: AACRAID for power9 platform

[Seth Forshee]

Pull request sent to the mailing list:

https://lists.ubuntu.com/archives/kernel-team/2017-June/084977.html

All patches have been applied to artful/master-next and unstable/master.

** Description changed:

+ SRU Justification
+ 
+ Impact: Various issues found during integration of Microsemi adapters on
+ Power 8 and Power 9 systems.
+ 
+ Fix: Update the aacraid driver to version 50834 by cherry picking
+ patches from upstream and from linux-next.
+ 
+ Test case: Updated driver has been tested by IBM on Power systems and
+ regression tested by Microsemi on other platforms.
+ 
+ Regression potential: Changes (aside from trivial typo fixes) are
+ limited to aacraid driver, so there's no regression potential outside of
+ this driver. Regression testing has been done by Microsemi on relevant
+ platforms.
+ 
+ ---
+ 
  Hello team,
  It seems Microsemi team has requested to backport few AACRAID driver patches 
for Power 9 platform for 17.04 and 16.04.3 kernel.
  
  Hi Narinder,
  
  We have submitted a handful of critical fixes for the AACRAID driver on
  to the kernel.org, targeting 4.11. These patches are bug fixes and our
  customer IBM is expecting these patches to go into the 16.04.3 release,
  for to use with the Power9 platforms.
  
  Can you please let me know if these patches will be backported by your
  kernel team on to the upcoming 16.04.3? Do you also have a schedule in
  place for 16.04.3 release?
  
  Thanks,
  Gana
  
  Below are the patch details.
  
  Subject: [PATCH V2 00/19] aacraid: Patchset with reset rework and misc
  fixes
  
  This patchset primarily focuses on tweaking and hardening the controller
  reset support for both ARC and HBA1000 devices. Now the driver can only
  reset the controller thru eh reset. Included a srb memory fix and pci
  dma allocation fix.
  
  Changes in V2:
-  - Corrected heading and description for srb memory patch and removed stray
-comment.
-  - Removed incorrect up function call and cleared fib wait flag after call
-to down interruptible in the ioctl return on ctrl reset patch.
-  - Added review acknowledgements by David Carroll thank you Dave for
-finding the above issues in the above 2 patches.
+  - Corrected heading and description for srb memory patch and removed stray
+    comment.
+  - Removed incorrect up function call and cleared fib wait flag after call
+    to down interruptible in the ioctl return on ctrl reset patch.
+  - Added review acknowledgements by David Carroll thank you Dave for
+    finding the above issues in the above 2 patches.
  
  Raghava Aditya Renukunta (19):
- [SCSI] aacraid: Remove __GFP_DMA for raw srb memory  
- [SCSI] aacraid: Fix DMAR issues with  iommu=pt  
- [SCSI] aacraid: Added 32 and 64 queue depth for arc natives  
- [SCSI] aacraid: Set correct Queue Depth for HBA1000 RAW disks  
- [SCSI] aacraid: Remove reset support from check_health  
- [SCSI] aacraid: Change wait time for fib completion  
- [SCSI] aacraid: Log count info of scsi cmds before reset  
- [SCSI] aacraid: Print ctrl status before eh reset  
- [SCSI] aacraid: Using single reset mask for IOP reset  
- [SCSI] aacraid: Rework IOP reset  
- [SCSI] aacraid: Add periodic checks to see IOP reset status  
- [SCSI] aacraid: Rework SOFT reset code  
- [SCSI] aacraid: Rework aac_src_restart  
- [SCSI] aacraid: Use correct function to get ctrl health  
- [SCSI] aacraid: Make sure ioctl returns on controller reset  
- [SCSI] aacraid: Enable ctrl reset for both hba and arc  
- [SCSI] aacraid: Add reset debugging statements  
- [SCSI] aacraid: Remove reference to Series-9  
+ [SCSI] aacraid: Remove __GFP_DMA for raw srb memory
+ [SCSI] aacraid: Fix DMAR issues with  iommu=pt
+ [SCSI] aacraid: Added 32 and 64 queue depth for arc natives
+ [SCSI] aacraid: Set correct Queue Depth for HBA1000 RAW disks
+ [SCSI] aacraid: Remove reset support from check_health
+ [SCSI] aacraid: Change wait time for fib completion
+ [SCSI] aacraid: Log count info of scsi cmds before reset
+ [SCSI] aacraid: Print ctrl status before eh reset
+ [SCSI] aacraid: Using single reset mask for IOP reset
+ [SCSI] aacraid: Rework IOP reset
+ [SCSI] aacraid: Add periodic checks to see IOP reset status
+ [SCSI] aacraid: Rework SOFT reset code
+ [SCSI] aacraid: Rework aac_src_restart
+ [SCSI] aacraid: Use correct function to get ctrl health
+ [SCSI] aacraid: Make sure ioctl returns on controller reset
+ [SCSI] aacraid: Enable ctrl reset for both hba and arc
+ [SCSI] aacraid: Add reset debugging statements
+ [SCSI] aacraid: Remove reference to Series-9
  [SCSI] aacraid: Update driver version to 50834
  
  drivers/scsi/aacraid/aachba.c   |  17 ++-
- drivers/scsi/aacraid/aacraid.h  |  22 +++-  
- drivers/scsi/aacraid/commctrl.c |  15 ++-  
- drivers/scsi/aacraid/comminit.c |  18 +---  
+ drivers/scsi/aacraid/aacraid.h  |  22 +++-
+ drivers/scsi/aacraid/commctrl.c |  15 ++-
+ drivers/scsi/aacraid/comminit.c |  18 +---
  drivers/scsi/aacraid/commsup.c  |  78 +++---
  

[Bug 1689980] Re: AACRAID for power9 platform

[raghava aditya renukunta]

Thank you Seth for the confirmation. Could let me know a rough estimate?

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  AACRAID for power9 platform

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[Bug 1689980] Re: AACRAID for power9 platform

[Seth Forshee]

Sorry for the delay - I think we have what we need, I've just been a
little buried with work and haven't gotten around to following through
yet. It's on my todo list, I should get to it soon.

** Changed in: linux (Ubuntu)
 Assignee: Canonical Kernel Team (canonical-kernel-team) => Seth Forshee 
(sforshee)

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[Bug 1689980] Re: AACRAID for power9 platform

[raghava aditya renukunta]

Hello Seth,
Is there any update on the status of this request if any?, Could you please let 
us know if there is a delay and if Canonical needs anything from microsemi.

Regards,
Raghava Aditya

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[Bug 1689980] Re: AACRAID for power9 platform

[raghava aditya renukunta]

Thank you Seth for the link. It looks like other than this set of
patches, the others made it in.

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[Bug 1689980] Re: AACRAID for power9 platform

[Seth Forshee]

It was mainly the reset changes that raised concerns in my mind, since
it does make changes to interaction with the hardware for performing a
reset. If there's other hardware out there then I'd like to have some
regression testing with that hardware, because sometimes even changes
which should be correct can expose firmware bugs. But it sounds like
regression testing has been done.

The kernel for zesty (which will eventually be used for the 16.04.3
kernel) is hosted here:

https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/zesty

The master-next branch is kind of the staging area for the next kernel,
so you may want to look there as it will have all the most recent
commits (be aware that it may be force pushed from time to time). The
master branch always tracks the kernel currently in -updates.

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[Bug 1689980] Re: AACRAID for power9 platform

[raghava aditya renukunta]

Hello Seth,
Yes the hardware is tested thoroughly on platforms other than Power 9 (was 
tested on x86 etc). Could you please point us to the patches that might seem 
concerning? 

Also could you please point me to the kernel that these patches will be
added on? I want make sure that we did not miss any important patches.

Regards,
Raghava Aditya

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[Bug 1689980] Re: AACRAID for power9 platform

[Brian King]

This is hardware that is new for Power 9, was not on Power 8. As to
availability on other architectures, Microsemi would need to comment.

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[Bug 1689980] Re: AACRAID for power9 platform

[Seth Forshee]

Diffstat from the requested backports:

 drivers/scsi/aacraid/aachba.c   |  17 +++---
 drivers/scsi/aacraid/aacraid.h  |  22 ++--
 drivers/scsi/aacraid/commctrl.c |  15 +++---
 drivers/scsi/aacraid/comminit.c |  18 ++-
 drivers/scsi/aacraid/commsup.c  |  78 +--
 drivers/scsi/aacraid/linit.c| 232 
---
 drivers/scsi/aacraid/src.c  | 136 
+++---
 7 files changed, 298 insertions(+), 220 deletions(-)

So that's fairly substantial. I skimmed the patches and most of them
look pretty safe, just a handful that are somewhat concerning.

It's likely we can take these if/when the backport has been thoroughly
tested. Is this hardware commonly used on platforms other than Power 9?
If so it would be good to see some testing on those platforms, if
possible.

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[Bug 1689980] Re: AACRAID for power9 platform

[Manoj Iyer]

** Tags added: ubuntu-17.04

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[Bug 1689980] Re: AACRAID for power9 platform

[Manoj Iyer]

Assigning this to Canonical kernel team as this could potentially impact
cert of power9 since IBM says this driver is also required for the
onboard SATA.

** Changed in: linux (Ubuntu)
 Assignee: (unassigned) => Canonical Kernel Team (canonical-kernel-team)

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[Bug 1689980] Re: AACRAID for power9 platform

[Brian King]

The aacraid driver is critical for support of Power 9 for IBM, since it
is used for the onboard SATA controller for one of our systems. Given
the patches have been tested as a group by Microsemi, my preference
would be to take the entire series and remain more in sync with
upstream. If Canonical is not comfortable with that, we can review the
patch series in more detail and look for non critical patches, then test
with the remaining patches.

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[Bug 1689980] Re: AACRAID for power9 platform

[Seth Forshee]

Based on just the patch descriptions I'm a bit skeptical that all of
these qualify as "critical fixes."

This is a shared driver so we're going to be more conservative about
what we would take than if it was architecture specific code. The best
case is if the actual fixes can be isolated and backported. Regression
testing on a variety of hardware which uses that driver would be
benifical, and likely required if this is a large delta.

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[Bug 1689980] Re: AACRAID for power9 platform

[bugproxy]

** Tags removed: targetmilestone-inin---
** Tags added: targetmilestone-inin16043

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[Bug 1689980] Re: AACRAID for power9 platform

[bugproxy]

--- Comment From ru...@us.ibm.com 2017-05-26 16:42 EDT---
Reverse mirror for LP1689980: AACRAID for power9 platform

** Tags added: architecture-ppc64le bugnameltc-155096 severity-high
targetmilestone-inin---

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[Bug 1689980] Re: AACRAID for power9 platform

[Manoj Iyer]

** Also affects: ubuntu-power-systems
   Importance: Undecided
   Status: New

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[Bug 1689980] Re: AACRAID for power9 platform

[Manoj Iyer]

Patches are in linux-next:

5d3a0880787b scsi: aacraid: Remove __GFP_DMA for raw srb memory
96a580fcd745 scsi: aacraid: Fix DMAR issues with iommu=pt
7ad76ab57203 scsi: aacraid: Added 32 and 64 queue depth for arc natives
db62b8248626 scsi: aacraid: Set correct Queue Depth for HBA1000 RAW disks
be70a99e5386 scsi: aacraid: Remove reset support from check_health
30ad417155a8 scsi: aacraid: Change wait time for fib completion
dce4bd517aa2 scsi: aacraid: Log count info of scsi cmds before reset
b791530208ae scsi: aacraid: Print ctrl status before eh reset
52fa7b51eedd scsi: aacraid: Using single reset mask for IOP reset
f2ff3fdf82bc scsi: aacraid: Rework IOP reset
dec430cefee5 scsi: aacraid: Add periodic checks to see IOP reset status
92ea09df1c11 scsi: aacraid: Rework SOFT reset code
8022c90ec2b9 scsi: aacraid: Rework aac_src_restart
b5a7478a18eb scsi: aacraid: Use correct function to get ctrl health
69c727ba1840 scsi: aacraid: Make sure ioctl returns on controller reset
9c35add987b2 scsi: aacraid: Enable ctrl reset for both hba and arc
2d5504c53a18 scsi: aacraid: Add reset debugging statements
5d9cb9c96198 scsi: aacraid: Remove reference to Series-9
0e98ceae7bfe scsi: aacraid: Update driver version to 50834

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[Bug 1689980] Re: AACRAID for power9 platform

[Joseph Salisbury]

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

** Changed in: linux (Ubuntu)
   Status: Confirmed => Triaged

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

** Changed in: linux (Ubuntu Zesty)
   Status: New => Triaged

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

** Tags added: kernel-da-key zesty

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[Bug 1689980] Re: AACRAID for power9 platform

[Narinder Gupta]

This is driver enablement for Power 9 so apport-collect does not make
sense.

** Changed in: linux (Ubuntu)
   Status: Incomplete => Confirmed

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