[Kernel-packages] [Bug 1836806] Re: Two crashes on raid0 error path (during a member device removal)

2019-07-16 Thread Guilherme G. Piccoli
This issue affects only kernels after 4.17 and before 5.2, hence it's fixed on Bionic and Eoan, and won't be fixed in Cosmic (4.18) since it is EOL. Patches submitted to kernel-team ML: https://lists.ubuntu.com/archives /kernel-team/2019-July/102287.html Cheers, Guilherme -- You received

[Kernel-packages] [Bug 1836806] Re: Two crashes on raid0 error path (during a member device removal)

2019-07-16 Thread Guilherme G. Piccoli
** Description changed: - TBD + [Impact] + + * During raid0 error path testing, by removing one member of the array, + we've noticed after kernel 4.18 we can trigger a crash depending if + there's I/O in-flight during the array removal. When debugging the + issue, a second problem was found,

[Kernel-packages] [Bug 1795659] Re: kernel panic using CIFS share smb2_push_mandatory_locks

2019-07-16 Thread Guilherme G. Piccoli
** Changed in: linux (Ubuntu Disco) Status: Confirmed => Fix Released ** Changed in: linux (Ubuntu Cosmic) Status: Confirmed => Won't Fix ** Changed in: linux (Ubuntu Bionic) Status: Confirmed => In Progress -- You received this bug notification because you are a member of

[Kernel-packages] [Bug 1824981] Re: cifs set_oplock buffer overflow in strcat

2019-07-16 Thread Guilherme G. Piccoli
** Changed in: linux (Ubuntu Cosmic) Status: In Progress => Won't Fix -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1824981 Title: cifs set_oplock buffer overflow in strcat

[Kernel-packages] [Bug 1836760] Re: ixgbe{vf} - Physical Function gets IRQ when VF checks link state

2019-07-16 Thread Guilherme G. Piccoli
** Changed in: linux (Ubuntu Ff-series) Status: Fix Released => Fix Committed ** Changed in: linux (Ubuntu Eoan) Status: Confirmed => In Progress ** Changed in: linux (Ubuntu Disco) Status: Confirmed => In Progress -- You received this bug notification because you are a

[Kernel-packages] [Bug 1836806] Re: Two crashes on raid0 error path (during a member device removal)

2019-07-16 Thread Guilherme G. Piccoli
** Also affects: linux (Ubuntu Eoan) Importance: Medium Assignee: Guilherme G. Piccoli (gpiccoli) Status: Confirmed ** Also affects: linux (Ubuntu Bionic) Importance: Undecided Status: New ** Also affects: linux (Ubuntu Disco) Importance: Undecided Status: New

[Kernel-packages] [Bug 1836806] [NEW] Two crashes on raid0 error path (during a member device removal)

2019-07-16 Thread Guilherme G. Piccoli
Public bug reported: TBD ** Affects: linux (Ubuntu) Importance: Medium Assignee: Guilherme G. Piccoli (gpiccoli) Status: Confirmed ** Affects: linux (Ubuntu Bionic) Importance: Undecided Status: New ** Affects: linux (Ubuntu Disco) Importance: Undecided

[Kernel-packages] [Bug 1836760] Re: ixgbe{vf} - Physical Function gets IRQ when VF checks link state

2019-07-16 Thread Guilherme G. Piccoli
SRU request was sent to kernel-team mailing list: https://lists.ubuntu.com/archives/kernel-team/2019-July/102282.html Cheers, Guilherme ** Changed in: linux (Ubuntu Xenial) Status: Confirmed => In Progress ** Changed in: linux (Ubuntu Bionic) Status: Confirmed => In Progress **

[Kernel-packages] [Bug 1836760] Re: ixgbe{vf} - Physical Function gets IRQ when VF checks link state

2019-07-16 Thread Guilherme G. Piccoli
** Description changed: - TBA + [Impact] + + * Intel NICs that are SR-IOV capable and are managed by ixgbe driver presents a potentially harmful behavior when the ixgbevf-managed VFs (Virtual Functions) perform an ethtool link check. The ixgbevf driver issues a mailbox command in the ethtool

[Kernel-packages] [Bug 1836760] [NEW] ixgbe{vf} - Physical Function gets IRQ when VF checks link state

2019-07-16 Thread Guilherme G. Piccoli
Public bug reported: TBA ** Affects: linux (Ubuntu) Importance: High Assignee: Guilherme G. Piccoli (gpiccoli) Status: Confirmed ** Affects: linux (Ubuntu Xenial) Importance: High Assignee: Guilherme G. Piccoli (gpiccoli) Status: Confirmed ** Affects

[Kernel-packages] [Bug 1800562] Re: Remove obsolete "nousb" option in kdump command-line for newer kernels

2019-07-04 Thread Guilherme G. Piccoli
This is the debdiff containing the proposed solution for this LP. I'd like to thanks specially Cascardo and Heitor for the fruitful discussions with regards the direction we should take in this LP. ** Changed in: makedumpfile (Ubuntu Cosmic) Status: In Progress => Confirmed ** Changed

[Kernel-packages] [Bug 1800566] Re: Make reset_devices parameter default for kdump and decouple kdump systemd service from the KDUMP_CMDLINE_APPEND

2019-07-04 Thread Guilherme G. Piccoli
This is the debdiff with this LP's proposed modifications. I'd like to specially thanks Cascardo and Heitor for the discussions and joint work in this issue. ** Changed in: makedumpfile (Ubuntu Eoan) Status: Confirmed => In Progress ** Patch added: "lp1800566_eoan.debdiff"

[Kernel-packages] [Bug 1681909] Re: kdump is not captured in remote host when kdump over ssh is configured

2019-07-04 Thread Guilherme G. Piccoli
tus: Confirmed => In Progress ** Changed in: makedumpfile (Ubuntu Cosmic) Status: Confirmed => In Progress ** Changed in: makedumpfile (Ubuntu Disco) Status: Confirmed => In Progress ** Changed in: makedumpfile (Ubuntu Eoan) Status: Confirmed => In Progress

[Kernel-packages] [Bug 1681909] Re: kdump is not captured in remote host when kdump over ssh is configured

2019-07-04 Thread Guilherme G. Piccoli
This is a mock reproducer of this issue by faking a 20s delay in virtio- net after its link is up. To enable that, user needs to build virtio-net with the hereby attached patch, and insert: "echo 1 > /sys/module/virtio_net/parameters/droppkt" in the /usr/sbin/kdump-config before the network

[Kernel-packages] [Bug 1800566] Re: Make reset_devices parameter default for kdump and decouple kdump systemd service from the KDUMP_CMDLINE_APPEND

2019-07-04 Thread Guilherme G. Piccoli
** Description changed: [Impact] - Crash kernels do not advise some subsystems to perform a reset by default. - [Description] - Kernel has the "reset_devices" parameter that drivers can opt-in, and perform special activity in case this parameter is parsed from command-line. For example, in

[Kernel-packages] [Bug 1800562] Re: Remove obsolete "nousb" option in kdump command-line for newer kernels

2019-07-04 Thread Guilherme G. Piccoli
** Description changed: [Impact] - Crash kernels include an obsolete "nousb" parameter by default, which can cause confusion since it's been deprecated in newer kernel versions. + * Kdump command-line include an obsolete "nousb" parameter by default, which can cause a misimpression: users

[Kernel-packages] [Bug 1800566] Re: Make reset_devices parameter default for kdump and decouple kdump systemd service from the KDUMP_CMDLINE_APPEND

2019-07-04 Thread Guilherme G. Piccoli
** Summary changed: - Make the reset_devices parameter default for kdump kernels + Make reset_devices parameter default for kdump and decouple kdump systemd service from the KDUMP_CMDLINE_APPEND -- You received this bug notification because you are a member of Kernel Packages, which is

[Kernel-packages] [Bug 1816743] Re: Add systemd's kdump service command-line regardless if user provides or not KDUMP_CMDLINE_APPEND

2019-07-04 Thread Guilherme G. Piccoli
*** This bug is a duplicate of bug 1800566 *** https://bugs.launchpad.net/bugs/1800566 I'll mark this bug as duplicate from LP #1800566 - we'll track progress only in that bug, the SRU for this will be worked along with the reset_devices thing. Thanks, Guilherme ** This bug has been

[Kernel-packages] [Bug 1800562] Re: Remove obsolete "nousb" option in kdump command-line for newer kernels

2019-07-04 Thread Guilherme G. Piccoli
ion => Confirmed ** Changed in: makedumpfile (Ubuntu Eoan) Status: Opinion => Confirmed ** Changed in: makedumpfile (Ubuntu Xenial) Assignee: Heitor Alves de Siqueira (halves) => Guilherme G. Piccoli (gpiccoli) ** Changed in: makedumpfile (Ubuntu Bionic) Assignee: Heitor Alves

[Kernel-packages] [Bug 1800566] Re: Make the reset_devices parameter default for kdump kernels

2019-07-04 Thread Guilherme G. Piccoli
** Changed in: makedumpfile (Ubuntu) Assignee: Heitor Alves de Siqueira (halves) => Guilherme G. Piccoli (gpiccoli) ** Changed in: makedumpfile (Ubuntu Xenial) Assignee: Heitor Alves de Siqueira (halves) => Guilherme G. Piccoli (gpiccoli) ** Changed in: makedumpfile (Ubuntu

[Kernel-packages] [Bug 1832082] Re: bnx2x driver causes 100% CPU load

2019-07-03 Thread Guilherme G. Piccoli
SRU submitted to kernel mailing-list: https://lists.ubuntu.com/archives /kernel-team/2019-July/101925.html I've marked Xenial->Disco as "In Progress", because we need acceptance from kernel team. On the other hand, Devel series (Eoan/Ff) will get the fix via regular rebase with Linus tree,

[Kernel-packages] [Bug 1832082] Re: bnx2x driver causes 100% CPU load

2019-07-03 Thread Guilherme G. Piccoli
** Description changed: - For the customer OpenStack deployment we deploy infra nodes on Dell R630 - servers. The servers have onboard Broadcom's NetXtreme II BCM57800 NIC - (quad port: 2x1G ports, 2x10G ports). For each port in UP state, we - observe 100% CPU load. So in total, we observe 4 CPUs

[Kernel-packages] [Bug 1832082] Re: bnx2x driver causes 100% CPU load

2019-06-21 Thread Guilherme G. Piccoli
** Attachment added: "system_details.txt" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1832082/+attachment/5272083/+files/system_details.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1832082] Re: bnx2x driver causes 100% CPU load

2019-06-21 Thread Guilherme G. Piccoli
-series) Importance: Undecided => High ** Changed in: linux (Ubuntu Xenial) Assignee: (unassigned) => Guilherme G. Piccoli (gpiccoli) ** Changed in: linux (Ubuntu Bionic) Assignee: (unassigned) => Guilherme G. Piccoli (gpiccoli) ** Changed in: linux (Ubuntu Cosmic) Assi

[Kernel-packages] [Bug 1813651] Re: hpsa: DMAR invalid read

2019-06-19 Thread Guilherme G. Piccoli
** Tags added: seg -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1813651 Title: hpsa: DMAR invalid read Status in linux package in Ubuntu: Confirmed Status in linux source package

[Kernel-packages] [Bug 1800873] Re: Add KDUMP_CMDLINE_REMOVE option to remove portions of kernel command-line

2019-06-19 Thread Guilherme G. Piccoli
** Tags added: seg -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to makedumpfile in Ubuntu. https://bugs.launchpad.net/bugs/1800873 Title: Add KDUMP_CMDLINE_REMOVE option to remove portions of kernel command- line Status in

[Kernel-packages] [Bug 1816743] Re: Add systemd's kdump service command-line regardless if user provides or not KDUMP_CMDLINE_APPEND

2019-06-19 Thread Guilherme G. Piccoli
** Tags added: seg -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to makedumpfile in Ubuntu. https://bugs.launchpad.net/bugs/1816743 Title: Add systemd's kdump service command-line regardless if user provides or not

[Kernel-packages] [Bug 1800566] Re: Make the reset_devices parameter default for kdump kernels

2019-06-19 Thread Guilherme G. Piccoli
** Tags added: seg -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to makedumpfile in Ubuntu. https://bugs.launchpad.net/bugs/1800566 Title: Make the reset_devices parameter default for kdump kernels Status in makedumpfile package in

[Kernel-packages] [Bug 1800562] Re: Remove obsolete "nousb" option in kdump command-line for newer kernels

2019-06-19 Thread Guilherme G. Piccoli
** Tags added: seg -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to makedumpfile in Ubuntu. https://bugs.launchpad.net/bugs/1800562 Title: Remove obsolete "nousb" option in kdump command-line for newer kernels Status in makedumpfile

[Kernel-packages] [Bug 1681909] Re: kdump is not captured in remote host when kdump over ssh is configured

2019-06-12 Thread Guilherme G. Piccoli
hanged in: makedumpfile (Ubuntu) Assignee: (unassigned) => Guilherme G. Piccoli (gpiccoli) ** Also affects: makedumpfile (Ubuntu Bionic) Importance: Undecided Status: New ** Also affects: makedumpfile (Ubuntu Cosmic) Importance: Undecided Status: New ** Also affects: makedumpfil

[Kernel-packages] [Bug 1816743] Re: Add systemd's kdump service command-line regardless if user provides or not KDUMP_CMDLINE_APPEND

2019-06-05 Thread Guilherme G. Piccoli
** Tags removed: sts -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to makedumpfile in Ubuntu. https://bugs.launchpad.net/bugs/1816743 Title: Add systemd's kdump service command-line regardless if user provides or not

[Kernel-packages] [Bug 1813651] Re: hpsa: DMAR invalid read

2019-06-05 Thread Guilherme G. Piccoli
** Tags removed: sts -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1813651 Title: hpsa: DMAR invalid read Status in linux package in Ubuntu: Confirmed Status in linux source package

[Kernel-packages] [Bug 1800873] Re: Add KDUMP_CMDLINE_REMOVE option to remove portions of kernel command-line

2019-06-05 Thread Guilherme G. Piccoli
** Tags removed: sts -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to makedumpfile in Ubuntu. https://bugs.launchpad.net/bugs/1800873 Title: Add KDUMP_CMDLINE_REMOVE option to remove portions of kernel command- line Status in

[Kernel-packages] [Bug 1795659] Re: kernel panic using CIFS share smb2_push_mandatory_locks

2019-05-23 Thread Guilherme G. Piccoli
New => Confirmed ** Changed in: linux (Ubuntu Cosmic) Importance: Undecided => High ** Changed in: linux (Ubuntu Disco) Importance: Undecided => High ** Changed in: linux (Ubuntu Cosmic) Assignee: (unassigned) => Guilherme G. Piccoli (gpiccoli) ** Changed in: linux (Ubuntu Disco

[Kernel-packages] [Bug 1824981] Re: cifs set_oplock buffer overflow in strcat

2019-05-23 Thread Guilherme G. Piccoli
Hi Christoph, thank you very much for your work in this LP! Both the debug part and finally your patch. I was looking the same set of issues in parallel, with another user that reported the same crashes. So, regarding your question in comment #15 ("are those gonna be backportet to 4.x-generic?"),

[Kernel-packages] [Bug 1824981] Re: cifs set_oplock buffer overflow in strcat

2019-05-23 Thread Guilherme G. Piccoli
Status: New => In Progress ** Changed in: linux (Ubuntu Bionic) Status: New => In Progress ** Changed in: linux (Ubuntu Bionic) Assignee: (unassigned) => Guilherme G. Piccoli (gpiccoli) ** Changed in: linux (Ubuntu Cosmic) Assignee: (unassigned) => Guilherme G.

[Kernel-packages] [Bug 1824981] Re: cifs set_oplock buffer overflow in strcat

2019-05-22 Thread Guilherme G. Piccoli
** Tags added: sts -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1824981 Title: cifs set_oplock buffer overflow in strcat Status in linux package in Ubuntu: Fix Released Bug

[Kernel-packages] [Bug 1813936] Re: kernel BUG at /build/linux-A9GvNk/linux-4.15.0/lib/string.c:1052!

2019-05-22 Thread Guilherme G. Piccoli
*** This bug is a duplicate of bug 1824981 *** https://bugs.launchpad.net/bugs/1824981 ** This bug is no longer a duplicate of bug 1813928 kernel BUG at /build/linux-A9GvNk/linux-4.15.0/lib/string.c:1052! ** This bug has been marked a duplicate of bug 1824981 cifs set_oplock buffer

[Kernel-packages] [Bug 1813928] Re: kernel BUG at /build/linux-A9GvNk/linux-4.15.0/lib/string.c:1052!

2019-05-22 Thread Guilherme G. Piccoli
*** This bug is a duplicate of bug 1824981 *** https://bugs.launchpad.net/bugs/1824981 This LP is a duplicate for #1824981 - I'll mark it as dup. Thanks, Guilherme ** Tags added: sts ** This bug has been marked a duplicate of bug 1824981 cifs set_oplock buffer overflow in strcat --

[Kernel-packages] [Bug 1749961] Re: xhci_hcd: TRB DMA errors reported with ASMedia ASM1142 USB 3.1 Controller

2019-05-06 Thread Guilherme G. Piccoli
Thanks Gabe! I agree with you, would be really nice to have a quirk for that. It would be more easy to analyze that possibility with a datasheet for this adapter, which unfortunately I don't have. I'm on vacation until next week, I'll try to discuss that in linux-usb when I'm back, and pursue a

[Kernel-packages] [Bug 1795659] Re: kernel panic using CIFS share smb2_push_mandatory_locks

2019-05-06 Thread Guilherme G. Piccoli
Hi, have some news in this one. I've emailed Microsoft CIFS maintainers, they recommended the following patch as a potential fix: b98749cac4a6 ("CIFS: keep FileInfo handle live during oplock break"). There's a PPA with a kernel built including this patch, for those interested in testing:

[Kernel-packages] [Bug 1813873] Re: Userspace break as a result of missing patch backport

2019-05-06 Thread Guilherme G. Piccoli
Hi Chris, as per comment #21, the issue exists in kernel 4.18.0-14, and was fixed in 4.18.0-15. So, you need to update your kernel. Cheers, Guilherme -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1813651] Re: hpsa: DMAR invalid read

2019-04-30 Thread Guilherme G. Piccoli
** Attachment added: "no_issue_dev.txt" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1813651/+attachment/5260387/+files/no_issue_dev.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1813651] Re: hpsa: DMAR invalid read

2019-04-30 Thread Guilherme G. Piccoli
** Attachment added: "issue_dev.txt" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1813651/+attachment/5260386/+files/issue_dev.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1813651] Re: hpsa: DMAR invalid read

2019-04-30 Thread Guilherme G. Piccoli
I've narrowed down the problem for devices in HBA mode; if device is in RAID mode (despite if it's effectively using some raid level or has only 1 disk), it does not reproduce the issue. I'll attach files with outputs from HP RAID utility (accessed in BIOS) for both cases. I continue the

[Kernel-packages] [Bug 1749961] Re: xhci_hcd: TRB DMA errors reported with ASMedia ASM1142 USB 3.1 Controller

2019-04-29 Thread Guilherme G. Piccoli
Great Bryan, the model of your USB controller is the same reported in this LP; also, given the outputs you provided, the network interface "enx90203a19dcb6" in under one of those USB controllers - you mentioned you see the TRB DMA errors and the interface stops responding. Is the problematic

[Kernel-packages] [Bug 1749961] Re: xhci_hcd: TRB DMA errors reported with ASMedia ASM1142 USB 3.1 Controller

2019-04-25 Thread Guilherme G. Piccoli
Hi Bryan, thanks for the report. It could be the same issue, can you provide the full dmesg, and also the outputs of the following commands: "lspci -nnvvv", "lspci -t" and "ls -l /sys/class/net"? The issue was fixed for the first reporter via a FW update in the ASMedia adapter; unfortunately this

[Kernel-packages] [Bug 1813651] Re: hpsa: DMAR invalid read

2019-04-22 Thread Guilherme G. Piccoli
Hi Terry, I'm planning to post an update this week. It seems the problem is related with physical block size adjustments, after the introduction of the patch: "eb53a3ea3e00 scsi: hpsa: limit transfer length to 1MB, not 512kB" Without this patch I don't see the issue anymore. But I'm

[Kernel-packages] [Bug 1795659] Re: kernel panic using CIFS share smb2_push_mandatory_locks

2019-04-11 Thread Guilherme G. Piccoli
** Tags added: sts -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1795659 Title: kernel panic using CIFS share smb2_push_mandatory_locks Status in linux package in Ubuntu: Confirmed

[Kernel-packages] [Bug 1795659] Re: kernel panic using CIFS share smb2_push_mandatory_locks

2019-04-10 Thread Guilherme G. Piccoli
. Cheers, Guilherme ** Bug watch added: Debian Bug tracker #830771 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=830771 ** Changed in: linux (Ubuntu) Assignee: (unassigned) => Guilherme G. Piccoli (gpiccoli) ** Changed in: linux (Ubuntu) Status: Expired => Confirmed *

[Kernel-packages] [Bug 1815033] Re: qlcnic: Firmware aborts/hangs in QLogic NIC

2019-03-27 Thread Guilherme G. Piccoli
Kernel was validated by the user that reported the issue - ran for more than 72h with no problems. ** Tags removed: verification-needed-bionic ** Tags added: verification-done-bionic -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux

[Kernel-packages] [Bug 1791758] Re: ldisc crash on reopened tty

2019-03-20 Thread Guilherme G. Piccoli
The userspace regression is fixed in latest available kernels for all series: Xenial (Trusty-HWE): 4.4.0-143 Bionic (Xenial-HWE): 4.15.0-46 Cosmic (Bionic-HWE): 4.18.0-16 Disco (development series): 5.0.0-7.8 Cheers, Guilherme -- You received this bug notification because you are a member of

[Kernel-packages] [Bug 1817918] Re: Hard lockups due to unrestricted lapic timer delay

2019-03-18 Thread Guilherme G. Piccoli
Tested kernel in -proposed, version 4.4.0-144-generic (in Xenial). Problem does not reproduce anymore. I've used tscdeadline_delay test wrote by Thadeu Cascardo as a kvm-unit- tests "module" - this specific test is not upstream yet, Cascardo wrote for this LP in particular and is

[Kernel-packages] [Bug 1764956] Re: Guests using IBRS incur a large performance penalty

2019-03-01 Thread Guilherme G. Piccoli
I've managed to verify this on kernel 4.4.0-143-generic, the problem isn't reproducible anymore. Worth noticing that when using the kernel 4.4.0-143 in both host and guest, we cannot change MSR bit anymore from within the guest, so the performance drop is not observed. ** Tags removed:

[Kernel-packages] [Bug 1817918] Re: Hard lockups due to unrestricted lapic timer delay

2019-02-27 Thread Guilherme G. Piccoli
SRU request sent to the kernel team mailing list: https://lists.ubuntu.com/archives/kernel-team/2019-February/098872.html -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1817918 Title:

[Kernel-packages] [Bug 1817918] Re: Hard lockups due to unrestricted lapic timer delay

2019-02-27 Thread Guilherme G. Piccoli
** Description changed: - There is a report of hard lockup induced by a long delay in lapic expiration timer. - We'll provide SRU request here for merging the fixes in 4.4 kernel. + [Impact] + + * There is a long-time report of an issue with the TSC delay present + in wait_lapic_expire() -

[Kernel-packages] [Bug 1817918] [NEW] Hard lockups due to unrestricted lapic timer delay

2019-02-27 Thread Guilherme G. Piccoli
Public bug reported: There is a report of hard lockup induced by a long delay in lapic expiration timer. We'll provide SRU request here for merging the fixes in 4.4 kernel. ** Affects: linux (Ubuntu) Importance: Undecided Assignee: Guilherme G. Piccoli (gpiccoli) Status

[Kernel-packages] [Bug 1813873] Re: Userspace break as a result of missing patch backport

2019-02-26 Thread Guilherme G. Piccoli
Thanks all for the tests. @md_5: According to https://kernel.ubuntu.com, the promotion of the -proposed packages to -updates is scheduled to March, 4th. Cheers, Guilherme -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in

[Kernel-packages] [Bug 1816743] Re: Add systemd's kdump service command-line regardless if user provides or not KDUMP_CMDLINE_APPEND

2019-02-20 Thread Guilherme G. Piccoli
e: Medium => Undecided ** Changed in: makedumpfile (Ubuntu Cosmic) Assignee: (unassigned) => Guilherme G. Piccoli (gpiccoli) ** Changed in: makedumpfile (Ubuntu Bionic) Assignee: (unassigned) => Guilherme G. Piccoli (gpiccoli) ** Changed in: makedumpfile (Ubuntu Xenial) Ass

[Kernel-packages] [Bug 1816743] [NEW] Add systemd's kdump service command-line regardless if user provides or not KDUMP_CMDLINE_APPEND

2019-02-20 Thread Guilherme G. Piccoli
on, they should used KDUMP_CMDLINE instead. ** Affects: makedumpfile (Ubuntu) Importance: Medium Assignee: Guilherme G. Piccoli (gpiccoli) Status: Confirmed ** Affects: makedumpfile (Ubuntu Xenial) Importance: Undecided Status: New ** Affects: makedumpfile (Ubuntu Bio

[Kernel-packages] [Bug 1813873] Re: Userspace break as a result of missing patch backport

2019-02-18 Thread Guilherme G. Piccoli
Hi Edgar, I've changed it back =) It should be Fix Committed if the patch is present/merged in the kernel, but kernel wasn't released yet. Once it gets released, it'll get changed to Fix Released. Cheers, Guilherme ** Changed in: linux (Ubuntu Bionic) Status: Fix Released => Fix

[Kernel-packages] [Bug 1800566] Re: Make the reset_devices parameter default for kdump kernels

2019-02-14 Thread Guilherme G. Piccoli
** Changed in: makedumpfile (Ubuntu Trusty) Assignee: Guilherme G. Piccoli (gpiccoli) => Heitor R. Alves de Siqueira (halves) ** Changed in: makedumpfile (Ubuntu Xenial) Assignee: (unassigned) => Heitor R. Alves de Siqueira (halves) ** Changed in: makedumpfile (Ubuntu

[Kernel-packages] [Bug 1800562] Re: Replace "nousb" option in kdump command-line for the newer "usbcore.nousb"

2019-02-14 Thread Guilherme G. Piccoli
** Changed in: makedumpfile (Ubuntu Xenial) Assignee: Guilherme G. Piccoli (gpiccoli) => Heitor R. Alves de Siqueira (halves) ** Changed in: makedumpfile (Ubuntu Bionic) Assignee: Guilherme G. Piccoli (gpiccoli) => Heitor R. Alves de Siqueira (halves) ** Changed in: makedu

[Kernel-packages] [Bug 1813873] Re: Userspace break as a result of missing patch backport

2019-02-14 Thread Guilherme G. Piccoli
Samuel, for now the suggestion is to keep kernel 4.15.0-43, as it doesn't show the issue reported in this LP. Soon (probably later today or tomorrow) the new version for 4.15 will show up in -proposed pocket, so you can update to that version for testing purposes, since that version will have the

[Kernel-packages] [Bug 1813873] Re: Userspace break as a result of missing patch backport

2019-02-14 Thread Guilherme G. Piccoli
You're welcome Putatieve, thanks for testing the Xenial 4.4.0-143 version! And you're right, we will have a fix for Xenial-HWE - as soon it is available, you will observe a new message from Brad Figg here, this time adding a tag "verification-needed-bionic". And then, likely the version for

[Kernel-packages] [Bug 1813873] Re: Userspace break as a result of missing patch backport

2019-02-13 Thread Guilherme G. Piccoli
Hi Putatieve, thanks for you attention here. Let me try to clarify what happens here: the issue is present in kernel 4.4.0-142, 4.15.0-45 and 4.18.0-14. The three versions were already released, but the fix for the regression observed in this LP is present in the new versions that are getting

[Kernel-packages] [Bug 1813873] Re: Userspace break as a result of missing patch backport

2019-02-11 Thread Guilherme G. Piccoli
Great, thanks Rehan! -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1813873 Title: Userspace break as a result of missing patch backport Status in linux package in Ubuntu: Fix

[Kernel-packages] [Bug 1813873] Re: Userspace break as a result of missing patch backport

2019-02-10 Thread Guilherme G. Piccoli
Hi Joe, can you please paste the output of "uname -a" from your system that is presenting this issue? Thanks in advance -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1813873 Title:

[Kernel-packages] [Bug 1815033] Re: qlcnic: Firmware aborts/hangs in QLogic NIC

2019-02-07 Thread Guilherme G. Piccoli
** Changed in: linux (Ubuntu Bionic) Assignee: (unassigned) => Guilherme G. Piccoli (gpiccoli) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1815033 Title: qlcnic: Firmware abo

[Kernel-packages] [Bug 1815033] Re: qlcnic: Firmware aborts/hangs in QLogic NIC

2019-02-07 Thread Guilherme G. Piccoli
Patch was posted in the mailing-list for the SRU process: https://lists.ubuntu.com/archives/kernel-team/2019-February/098380.html -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1815033

[Kernel-packages] [Bug 1815033] [NEW] qlcnic: Firmware aborts/hangs in QLogic NIC

2019-02-07 Thread Guilherme G. Piccoli
than 8 days without issues. * Also the patch is present in mainline kernel as well as supported stable branches, and is already present in Ubuntu 4.4 kernel. ** Affects: linux (Ubuntu) Importance: High Assignee: Guilherme G. Piccoli (gpiccoli) Status: Confirmed ** Tags: sts

[Kernel-packages] [Bug 1813651] Re: hpsa: DMAR invalid read

2019-01-31 Thread Guilherme G. Piccoli
Correction: it happens in 4.19 also. I continue with the bisect process. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1813651 Title: hpsa: DMAR invalid read Status in linux package

[Kernel-packages] [Bug 1764246] Re: kdump kernel panics on Bionic

2019-01-30 Thread Guilherme G. Piccoli
OK, so it seems it's really the minimum of reserved memory kernel needs in Bionic that is affecting the success of kdump here. Thanks for the report Gaƫtan -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1791758] Re: ldisc crash on reopened tty

2019-01-30 Thread Guilherme G. Piccoli
There was an userspace regression reported after the inclusion of these backports; it's being handled in https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1813873. The fix patch was released upstream and the SRU request was sent to kernel-team ML (thanks smb!):

[Kernel-packages] [Bug 1813651] [NEW] hpsa: DMAR invalid read

2019-01-28 Thread Guilherme G. Piccoli
cts: linux (Ubuntu) Importance: Medium Assignee: Guilherme G. Piccoli (gpiccoli) Status: Confirmed ** Tags: sts -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1813651 Tit

[Kernel-packages] [Bug 1788035] Re: nvme: avoid cqe corruption

2019-01-23 Thread Guilherme G. Piccoli
Some updates here: the patch was released in the -proposed pocket, and is available in the kernel 4.4.0-1075-aws - to enable the proposed repository please see this https://wiki.ubuntu.com/Testing/EnableProposed. The plan is to have this kernel released in the first week of February, after all

[Kernel-packages] [Bug 1807393] Re: nvme - Polling on timeout

2019-01-23 Thread Guilherme G. Piccoli
Also verified that in an AWS instance running the aws kernel in -proposed: $ uname -rv 4.4.0-1075-aws #85-Ubuntu SMP Thu Jan 17 17:15:12 UTC 2019 $ dmesg #cleared that before testing [ 5429.330967] nvme :00:04.0: I/O 10 QID 1 timeout, completion polled [39630.417191] nvme :00:04.0: I/O

[Kernel-packages] [Bug 1810328] Re: iommu - need to effectively disable iommu if "intel_iommu=off" is passed as a kernel parameter

2019-01-17 Thread Guilherme G. Piccoli
Verification was done in Xenial kernel 4.4.0-142, available in -proposed pocket. Basically, a regular boot with "intel_iommu=on" was completed, and then we kexec'ed the same kernel, but now with "intel_iommu=off". Everything works as expected; before this patch inclusion, we saw DMAR errors (as

[Kernel-packages] [Bug 1807393] Re: nvme - Polling on timeout

2019-01-17 Thread Guilherme G. Piccoli
The bug was verified in Xenial kernel 4.4.0-142.168 available in -proposed. I'm running in an AWS 2-cpu instance, which exhibits the issue if we run a small reproducer script (a loop that basically changes IRQ affinity for the NVMe MSIs/legacy interrupt among the CPUs and performs a 4K write to

[Kernel-packages] [Bug 1791758] Re: ldisc crash on reopened tty

2019-01-17 Thread Guilherme G. Piccoli
I was able to verify/test in both Bionic and Cosmic proposed kernels, respectively: 4.15.0-44.47 and 4.18.0-14.15. I don't have a reproducer, but to exercise the paths modified by the patches, the following approach was taken: (a) Open ssh connection to the host/test machine, and run the

[Kernel-packages] [Bug 1791758] Re: ldisc crash on reopened tty

2019-01-17 Thread Guilherme G. Piccoli
We're still pending the Xenial verification; I'm waiting for the trusty- HWE kernel to be released in -proposed, since we have a user capable of reproducing the crash in that version, so I'm planning to ask them to try in the trusty-HWE package. -- You received this bug notification because you

[Kernel-packages] [Bug 1800562] Re: Replace "nousb" option in kdump command-line for the newer "usbcore.nousb"

2019-01-09 Thread Guilherme G. Piccoli
mportance: Undecided => High ** Changed in: makedumpfile (Ubuntu Bionic) Importance: Undecided => High ** Changed in: makedumpfile (Ubuntu Xenial) Importance: Undecided => High ** Changed in: makedumpfile (Ubuntu Xenial) Assignee: (unassigned) => Guilherme G. Piccoli (

[Kernel-packages] [Bug 1800566] Re: Make the reset_devices parameter default for kdump kernels

2019-01-09 Thread Guilherme G. Piccoli
mportance: Undecided => High ** Changed in: makedumpfile (Ubuntu Trusty) Assignee: (unassigned) => Guilherme G. Piccoli (gpiccoli) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to makedumpfile in Ubuntu. https://bugs.launchpad.net/bugs

[Kernel-packages] [Bug 1800873] Re: Add KDUMP_CMDLINE_REMOVE option to remove portions of kernel command-line

2019-01-09 Thread Guilherme G. Piccoli
** Changed in: makedumpfile (Ubuntu Trusty) Assignee: (unassigned) => Guilherme G. Piccoli (gpiccoli) ** Changed in: makedumpfile (Ubuntu Xenial) Assignee: (unassigned) => Guilherme G. Piccoli (gpiccoli) ** Changed in: makedumpfile (Ubuntu Bionic) Assignee: (unas

[Kernel-packages] [Bug 1791758] Re: ldisc crash on reopened tty

2019-01-08 Thread Guilherme G. Piccoli
SRU request was submitted to kernel team. * For Xenial and trusty-HWE (kernel 4.4): https://lists.ubuntu.com/archives/kernel-team/2019-January/097556.html * For Bionic (kernel 4.15) and Cosmic (kernel 4.18): https://lists.ubuntu.com/archives/kernel-team/2019-January/097562.html -- You

[Kernel-packages] [Bug 1791758] Re: ldisc crash on reopened tty

2019-01-08 Thread Guilherme G. Piccoli
** Description changed: [Impact] * Line discipline code is racy when we have buffer being flush while the tty is being initialized or reinitialized. For the first problem, we have an upstream patch since January 2018: b027e2298bd5 ("tty: fix data race between tty_init_dev and flush

[Kernel-packages] [Bug 1791758] Re: ldisc crash on reopened tty

2019-01-08 Thread Guilherme G. Piccoli
** Description changed: [Impact] - The following Oops was discovered by user: + * Line discipline code is racy when we have buffer being flush while the + tty is being initialized or reinitialized. For the first problem, we + have an upstream patch since January 2018: b027e2298bd5 ("tty: fix

[Kernel-packages] [Bug 1791758] Re: ldisc crash on reopened tty

2019-01-08 Thread Guilherme G. Piccoli
** Tags removed: xenial -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1791758 Title: ldisc crash on reopened tty Status in linux package in Ubuntu: In Progress Status in linux

[Kernel-packages] [Bug 1791758] Re: ldisc crash on reopened tty

2019-01-08 Thread Guilherme G. Piccoli
** Changed in: linux (Ubuntu Xenial) Importance: High => Critical -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1791758 Title: ldisc crash on reopened tty Status in linux package

[Kernel-packages] [Bug 1791758] Re: ldisc crash on reopened tty

2019-01-07 Thread Guilherme G. Piccoli
** Changed in: linux (Ubuntu Trusty) Status: Confirmed => Won't Fix ** Changed in: linux (Ubuntu Xenial) Importance: Undecided => High ** Changed in: linux (Ubuntu Bionic) Importance: Undecided => High ** Changed in: linux (Ubuntu Cosmic) Importance: Undecided => High -- You

[Kernel-packages] [Bug 1810781] Re: mpt3sas - driver using the wrong register to update a queue index in FW

2019-01-07 Thread Guilherme G. Piccoli
Medium ** Changed in: linux (Ubuntu Disco) Importance: Critical => Medium ** Changed in: linux (Ubuntu Xenial) Assignee: Guilherme G. Piccoli (gpiccoli) => Mauricio Faria de Oliveira (mfo) ** Changed in: linux (Ubuntu Bionic) Assignee: Guilherme G. Piccoli (gpiccoli) => Ma

[Kernel-packages] [Bug 1810781] Re: mpt3sas - driver using the wrong register to update a queue index in FW

2019-01-07 Thread Guilherme G. Piccoli
igned) => Guilherme G. Piccoli (gpiccoli) ** Changed in: linux (Ubuntu Bionic) Assignee: (unassigned) => Guilherme G. Piccoli (gpiccoli) ** Changed in: linux (Ubuntu Xenial) Assignee: (unassigned) => Guilherme G. Piccoli (gpiccoli) -- You received this bug notification because you a

[Kernel-packages] [Bug 1810781] Re: mpt3sas - driver using the wrong register to update a queue index in FW

2019-01-07 Thread Guilherme G. Piccoli
** Attachment added: "dmesg snippet showing the error" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1810781/+attachment/5227414/+files/dmesg-error -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1810781] [NEW] mpt3sas - driver using the wrong register to update a queue index in FW

2019-01-07 Thread Guilherme G. Piccoli
tch. ** Affects: linux (Ubuntu) Importance: Critical Assignee: Guilherme G. Piccoli (gpiccoli) Status: Confirmed ** Affects: linux (Ubuntu Xenial) Importance: Undecided Status: New ** Affects: linux (Ubuntu Bionic) Importance: Undecided Status: New **

[Kernel-packages] [Bug 1810328] Re: iommu - need to effectively disable iommu if "intel_iommu=off" is passed as a kernel parameter

2019-01-02 Thread Guilherme G. Piccoli
Patch submitted to kernel-team mailing list: https://lists.ubuntu.com/archives/kernel-team/2019-January/097452.html -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1810328 Title: iommu -

[Kernel-packages] [Bug 1810328] Re: iommu - need to effectively disable iommu if "intel_iommu=off" is passed as a kernel parameter

2019-01-02 Thread Guilherme G. Piccoli
** Attachment added: "Issue scenario (iommu couldn't get disabled without the patch)" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1810328/+attachment/5226416/+files/iommu-missing -- You received this bug notification because you are a member of Kernel Packages, which is subscribed

[Kernel-packages] [Bug 1810328] Re: iommu - need to effectively disable iommu if "intel_iommu=off" is passed as a kernel parameter

2019-01-02 Thread Guilherme G. Piccoli
** Attachment added: "Fix scenario (iommu correctly disabled with the proposed patch)" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1810328/+attachment/5226417/+files/iommu-patched -- You received this bug notification because you are a member of Kernel Packages, which is subscribed

[Kernel-packages] [Bug 1810328] [NEW] iommu - need to effectively disable iommu if "intel_iommu=off" is passed as a kernel parameter

2019-01-02 Thread Guilherme G. Piccoli
the iommu after it was enabled before (which would show that the patch works fine indeed, by allowing iommu to get disabled) - some drivers/devices may require iommu to be enabled in order to work, in such case disabling it would prevent the device to work. ** Affects: linux (Ubuntu) Importanc

[Kernel-packages] [Bug 1807393] Re: nvme - Polling on timeout

2018-12-07 Thread Guilherme G. Piccoli
Patch sent to Ubuntu kernel mailing-list: https://lists.ubuntu.com/archives/kernel-team/2018-December/097208.html ** Changed in: linux (Ubuntu) Status: Confirmed => In Progress ** Changed in: linux (Ubuntu Xenial) Status: Confirmed => In Progress ** Changed in: linux (Ubuntu

[Kernel-packages] [Bug 1807393] Re: nvme - Polling on timeout

2018-12-07 Thread Guilherme G. Piccoli
** Description changed: - Description to be updated + [Impact] + * NVMe controllers potentially could miss to send an interrupt, specially + due to bugs in virtual devices(which are common those days - qemu has its + own NVMe virtual device, so does AWS). This would be a difficult to + debug

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