[Kernel-packages] [Bug 1980848] Re: arc_summary doesn't work with HWE kernel

2024-10-09 Thread Heitor Alves de Siqueira
This regressed again on Jammy with the 6.5/6.8 HWE kernels. Ghadi, since you worked on the patch for Jammy, I've assigned the series to you. Given this is something quite unique to Ubuntu that comes from running "old" zfsutils against a "new" ZFS kmod, it's likely going to end up as a COMPAT patch

[Kernel-packages] [Bug 2057693] Re: Activating autotrim results in high load average due to uninterruptible threads

2024-10-03 Thread Heitor Alves de Siqueira
** Changed in: zfs-linux (Ubuntu) Assignee: (unassigned) => Heitor Alves de Siqueira (halves) ** Changed in: zfs-linux (Ubuntu) Status: Confirmed => In Progress ** Changed in: zfs-linux (Ubuntu) Importance: Undecided => Medium -- You received this bug notification be

[Kernel-packages] [Bug 1987190] Re: ZFS unrecoverable error after upgrading from 20.04 to 22.04.1

2024-10-03 Thread Heitor Alves de Siqueira
** Changed in: zfs-linux (Ubuntu) Assignee: (unassigned) => Heitor Alves de Siqueira (halves) ** Changed in: zfs-linux (Ubuntu) Status: Confirmed => In Progress ** Changed in: zfs-linux (Ubuntu) Importance: Undecided => High -- You received this bug notification becaus

[Kernel-packages] [Bug 2064809] Re: zstd support not enabled in makedumpfile

2024-08-24 Thread Heitor Alves de Siqueira
Fixed in 1:1.7.5-2, so already merged for Oracular. ** Also affects: makedumpfile (Ubuntu Noble) Importance: Undecided Status: New ** Also affects: makedumpfile (Ubuntu Oracular) Importance: Medium Assignee: Heitor Alves de Siqueira (halves) Status: In Progress

[Kernel-packages] [Bug 2016881] Re: zfs-linux FTBFS for riscv64 on Focal

2024-08-12 Thread Heitor Alves de Siqueira
I can see this now builds correctly for riscv64, and I was able to install it on a local VM. Basic testing looks good, so I'm marking this one as verified. ** Tags added: verification-done verification-done-focal -- You received this bug notification because you are a member of Kernel Packages,

[Kernel-packages] [Bug 1919154] Re: Enable CONFIG_NO_HZ_FULL on supported architectures

2024-04-30 Thread Heitor Alves de Siqueira
** Changed in: linux (Ubuntu) Status: In Progress => Fix Released -- 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/1919154 Title: Enable CONFIG_NO_HZ_FULL on supported architectures

[Kernel-packages] [Bug 2016881] Re: Building for Focal fails on riscv64

2024-04-25 Thread Heitor Alves de Siqueira
Bionic is EoL, if RISC-V support is needed there we'll need to target Pro 18.04. ** Tags removed: patch se-sponsor-halves ** Description changed: - Building zfs-linux for riscv64 fails on Ubuntu 18.04. There is a single - patch missing: - https://github.com/openzfs/zfs/commit/4254e407294b211f339

[Kernel-packages] [Bug 1987052] Re: Running MySQL8 in Docker on ZFS only works if you have ZFS 2.1.5. Ubuntu 22.04 only has 2.1.4 right now.

2024-04-24 Thread Heitor Alves de Siqueira
** Changed in: zfs-linux (Ubuntu) Status: New => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to zfs-linux in Ubuntu. https://bugs.launchpad.net/bugs/1987052 Title: Running MySQL8 in Docker on ZFS only works if you h

[Kernel-packages] [Bug 1980848] Re: arc_summary doesn't work with HWE kernel 5.15

2024-04-24 Thread Heitor Alves de Siqueira
signee: (unassigned) => Heitor Alves de Siqueira (halves) ** Changed in: zfs-linux (Ubuntu) Status: Confirmed => Fix Released ** Changed in: zfs-linux (Ubuntu) Assignee: (unassigned) => Heitor Alves de Siqueira (halves) ** Changed in: zfs-linux (Ubuntu) Importance: Undecided =&g

[Kernel-packages] [Bug 2061986] Re: Mount CIFS fails with Permission denied

2024-04-24 Thread Heitor Alves de Siqueira
Marking Ubuntu as "Fix Released" according to parent description, as fix was introduced upstream in v5.16. ** Changed in: linux (Ubuntu Focal) Status: Confirmed => In Progress ** Changed in: linux (Ubuntu Jammy) Status: Confirmed => In Progress -- You received this bug notificatio

[Kernel-packages] [Bug 2061986] Re: Mount CIFS fails with Permission denied

2024-04-24 Thread Heitor Alves de Siqueira
** Changed in: linux (Ubuntu) Status: New => Fix Released -- 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/2061986 Title: Mount CIFS fails with Permission denied Status in linux pa

[Kernel-packages] [Bug 2016881] Re: Building for Focal fails on riscv64

2024-04-10 Thread Heitor Alves de Siqueira
** Changed in: zfs-linux (Ubuntu Focal) Importance: Medium => Low ** Changed in: zfs-linux (Ubuntu Focal) Assignee: (unassigned) => Heitor Alves de Siqueira (halves) ** Changed in: zfs-linux (Ubuntu Focal) Status: Incomplete => In Progress -- You received this bug not

[Kernel-packages] [Bug 2036239] Re: Intel E810-XXV - NETDEV WATCHDOG: (ice): transmit queue timed out

2024-02-01 Thread Heitor Alves de Siqueira
Yes, HWE kernels based on the Jammy/Mantic/Noble kernels should get this fix automatically when the GA versions get released. -- 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/2036239 Title:

[Kernel-packages] [Bug 2036239] Re: Intel E810-XXV - NETDEV WATCHDOG: (ice): transmit queue timed out

2024-01-31 Thread Heitor Alves de Siqueira
@christian-rhomann "Fix committed" here means that the patches have been merged into Ubuntu's kernel tree for that specific release. The patch Robert submitted is the one from upstream, not the test patch from the comments here. E.g. for Jammy: https://git.launchpad.net/~ubuntu-kernel/ubuntu/+sou

[Kernel-packages] [Bug 2036239] Re: Intel E810-XXV - NETDEV WATCHDOG: (ice): transmit queue timed out

2024-01-12 Thread Heitor Alves de Siqueira
** Also affects: linux (Ubuntu Noble) Importance: Medium Assignee: Robert Malz (rmalz) Status: In Progress -- 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/2036239 Title: In

[Kernel-packages] [Bug 2036239] Re: Intel E810-XXV - NETDEV WATCHDOG: (ice): transmit queue timed out

2024-01-12 Thread Heitor Alves de Siqueira
** Changed in: linux (Ubuntu) Status: Invalid => Confirmed ** Changed in: linux (Ubuntu) Status: Confirmed => In Progress ** Changed in: linux (Ubuntu) Importance: Undecided => Medium ** Changed in: linux (Ubuntu) Assignee: (unassigned) => Robert Malz (rmalz) ** Changed in

[Kernel-packages] [Bug 1837227] Re: systemd mount units fail during boot, while file system is correctly mounted

2024-01-09 Thread Heitor Alves de Siqueira
I've successfully confirmed that the mount issues seem to be fixed using systemd from focal-proposed. Using the 'rep-tmpfs.sh' script, all variants ran without any issues for multiple rounds. Basic testing on a VM also looks good. Below are the versions used for this test: $ dpkg -l systemd ... ||

[Kernel-packages] [Bug 2038249] Re: The dump file parsing issue arises from structural changes in Linux kernel 6.2

2023-10-23 Thread Heitor Alves de Siqueira
As this will need fixing in the development release, I'll re-subscribe the ubuntu-sponsors team. After this has been fixed there, we can take a look at the SRU for the other stable releases. Thanks, Chengen! -- You received this bug notification because you are a member of Kernel Packages, which

[Kernel-packages] [Bug 1837227] Re: systemd mount units fail during boot, while file system is correctly mounted

2023-09-14 Thread Heitor Alves de Siqueira
I've tested the kernel from focal-proposed, with the systemd packages from my personal PPA (as the systemd patches aren't yet available in focal-proposed). All test variants from the rep-tmpfs.sh script ran succesfully, and general smoke testing revealed no further issues. ubuntu@z-rotomvm35:~$ u

[Kernel-packages] [Bug 1837227] Re: systemd mount units fail during boot, while file system is correctly mounted

2023-09-13 Thread Heitor Alves de Siqueira
Fix Committed ** Changed in: linux (Ubuntu Focal) Assignee: (unassigned) => Heitor Alves de Siqueira (halves) ** Changed in: linux (Ubuntu Focal) Importance: Medium => High ** Changed in: systemd (Ubuntu Focal) Status: Fix Committed => In Progress ** Changed in: linux (Ubu

[Kernel-packages] [Bug 2016881] Re: Building for Focal fails on riscv64

2023-05-01 Thread Heitor Alves de Siqueira
Thank you for the patch, xypron! A few comments on your debdiff: I don't see the Bug-Ubuntu: tag in the patch, could you please add it so it's DEP-3 compliant? Looking at the Origin: tag, it's also not clear whether the patch is a clean cherry-pick or needed to be backported with some changes. C

[Kernel-packages] [Bug 2016881] Re: Building for Focal fails on riscv64

2023-05-01 Thread Heitor Alves de Siqueira
** Tags added: se-sponsor-halves -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to zfs-linux in Ubuntu. https://bugs.launchpad.net/bugs/2016881 Title: Building for Focal fails on riscv64 Status in zfs-linux package in Ubuntu: Fix Relea

[Kernel-packages] [Bug 2016881] Re: Building for Focal fails on riscv64

2023-04-18 Thread Heitor Alves de Siqueira
Note that the riscv64 patch is also missing from Focal (20.04), and the package also fails to build there. Upstream included initial support in zfs-2.0.0, so newer Ubuntu releases should have it by default: $ git describe --contains 4254e407294b211f3399da2ee131b45fe9f4ac80 zfs-2.0.0-rc1~665 ** Al

[Kernel-packages] [Bug 1964992] Re: ZFS ignores ARC sizes below allmem/32

2023-04-12 Thread Heitor Alves de Siqueira
zfs-linux FTBS on riscv64, but that's been the case for the versions from -updates for some time now. It's not related to this upload, but rather to the ZFS version in focal not supporting riscv64: In file included from ../../lib/libspl/include/sys/types.h:36, from ../../module/av

[Kernel-packages] [Bug 1964992] Re: ZFS ignores ARC sizes below allmem/32

2023-04-12 Thread Heitor Alves de Siqueira
** Tags added: verification-needed-focal ** Tags added: se-sponsor-halves -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to zfs-linux in Ubuntu. https://bugs.launchpad.net/bugs/1964992 Title: ZFS ignores ARC sizes below allmem/32 Status

[Kernel-packages] [Bug 1964992] Re: ZFS ignores ARC sizes below allmem/32

2023-03-20 Thread Heitor Alves de Siqueira
Thank you for the v2, Ghadi! I made some minor modifications to your changelog entry (added "d/p/" before the patch files), and included a "backport-notes:" tag in your second patch mentioning the FreeBSD- specific sections were dropped from upstream. With the v2, I ran the regression tests again

[Kernel-packages] [Bug 2004262] Re: Intel E810 NICs driver in causing hangs when booting and bonds configured

2023-03-17 Thread Heitor Alves de Siqueira
) Status: New => Confirmed ** Changed in: linux (Ubuntu Kinetic) Status: New => Confirmed ** Changed in: linux (Ubuntu Jammy) Assignee: (unassigned) => Heitor Alves de Siqueira (halves) ** Changed in: linux (Ubuntu Kinetic) Assignee: (unassigned) => Heit

[Kernel-packages] [Bug 1964992] Re: ZFS ignores ARC sizes below allmem/32

2023-03-16 Thread Heitor Alves de Siqueira
Thanks, Dimitri! I've tested Ghadi's patches and confirmed they work and don't trigger any regressions in the ZFS test suite. I've asked Ghadi to rework some portions of his backport in order to be closer to the upstream patches though, so we should have a v2 soon. We'll make sure that previous

[Kernel-packages] [Bug 1964992] Re: ZFS ignores ARC sizes below allmem/32

2023-01-17 Thread Heitor Alves de Siqueira
** Patch removed: "lp1964992-focal.debdiff" https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1964992/+attachment/5571326/+files/lp1964992-focal.debdiff -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to zfs-linux in Ubuntu. https:

[Kernel-packages] [Bug 1964992] Re: ZFS ignores ARC sizes below allmem/32

2022-12-12 Thread Heitor Alves de Siqueira
No worries, thank you for the patience, Robie! With further testing, we've found out that there's an additional upstream patch required for Focal, which fixes the "inversion" when setting the ARC limits. I'll amend the description and re-spin this SRU to include the proper fixes. I'll then re-upl

[Kernel-packages] [Bug 1978333] Re: Remove "ata_piix.prefer_ms_hyperv=0" parameter

2022-08-29 Thread Heitor Alves de Siqueira
** Tags removed: verification-needed ** Tags added: verification-done -- 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/1978333 Title: Remove "ata_piix.prefer_ms_hyperv=0" parameter

[Kernel-packages] [Bug 1964992] Re: ZFS ignores ARC sizes below allmem/32

2022-08-08 Thread Heitor Alves de Siqueira
Hi Robie, You're right, the patch does essentially invert the problem. This is still the behavior upstream, and it currently works like you mentioned: if the user tries to set a min above the default max (ramsize/2), it fails. I'm working on a patch to propose upstream that should fix this. We sh

[Kernel-packages] [Bug 1978333] Re: Remove "ata_piix.prefer_ms_hyperv=0" parameter

2022-08-06 Thread Heitor Alves de Siqueira
Failed autopkgtest result for i386 seemed to be due to a flaky test, not an actual regression. Test passed after another run, and no further autopkgtest regressions have been reported. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to makedu

[Kernel-packages] [Bug 1978333] Re: Remove "ata_piix.prefer_ms_hyperv=0" parameter

2022-08-06 Thread Heitor Alves de Siqueira
** Tags removed: sts-sponsor-halves ** Tags added: se-sponsor-halves -- 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/1978333 Title: Remove "ata_piix.prefer_ms_hyperv=0" parameter

[Kernel-packages] [Bug 1978333] Re: Remove "ata_piix.prefer_ms_hyperv=0" parameter

2022-06-13 Thread Heitor Alves de Siqueira
** Tags added: sts sts-sponsor-halves -- 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/1978333 Title: Remove "ata_piix.prefer_ms_hyperv=0" parameter Status in kdump-tools package i

[Kernel-packages] [Bug 1942624] Re: NVMe devices fail to probe due to ACPI power state change

2022-04-13 Thread Heitor Alves de Siqueira
** Description changed: [Impact] * Specific NVMe devices fail to probe and become unusable after boot * Caused by an ACPI regression that doesn't correctly handle power states * Upstream regression commit:   7e4fdeafa61f ACPI: power: Turn off unused power resources unconditionally * Re

[Kernel-packages] [Bug 1942624] Re: NVMe devices fail to probe due to ACPI power state change

2022-04-13 Thread Heitor Alves de Siqueira
** Summary changed: - NVME "can't change power state from D3Cold to D0 (config space inaccessible)" + NVMe devices fail to probe due to ACPI power state change ** Description changed: + [Impact] + * Specific NVMe devices fail to probe and become unusable after boot + * Caused by an ACPI regressi

[Kernel-packages] [Bug 1964512] Re: Low RX performance for 40G Solarflare NICs

2022-04-11 Thread Heitor Alves de Siqueira
Validated for Ubuntu Impish with the current kernel from impish-proposed. Tested on a 10G NIC that's affected by this patch (device ID 0x0903). iperf3 shows that we're able to almost saturate the NIC successfully in both standard and reverse sender mode: [ ID] Interval Transfer Bit

[Kernel-packages] [Bug 1964512] Re: Low RX performance for 40G Solarflare NICs

2022-04-11 Thread Heitor Alves de Siqueira
In addition to my own validations above, impacted users that have 40G NICs have also confirmed the patch behaves as expected without major regressions. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad

[Kernel-packages] [Bug 1964512] Re: Low RX performance for 40G Solarflare NICs

2022-04-11 Thread Heitor Alves de Siqueira
Validated for Ubuntu Bionic with the current HWE kernel from bionic-proposed. Tested on a 10G NIC that's affected by this patch (device ID 0x0903). iperf3 shows that we're able to almost saturate the NIC successfully in both standard and reverse sender mode: [ ID] Interval Transfer

[Kernel-packages] [Bug 1964512] Re: Low RX performance for 40G Solarflare NICs

2022-04-11 Thread Heitor Alves de Siqueira
Validated for Ubuntu Focal with the current kernel from focal-proposed. Tested on a 10G NIC that's affected by this patch (device ID 0x0903). iperf3 shows that we're able to almost saturate the NIC successfully in both standard and reverse sender mode: [ ID] Interval Transfer Bitra

[Kernel-packages] [Bug 1942624] Re: NVME "can't change power state from D3Cold to D0 (config space inaccessible)"

2022-03-23 Thread Heitor Alves de Siqueira
Hi all, This seems to be related to a regression introduced by the following commit: * 7e4fdeafa61f ACPI: power: Turn off unused power resources unconditionally The fix seems to indeed be the commit @sclarkson mentioned: * bc2836859643 ACPI: PM: Do not turn off power resources in unknown state L

[Kernel-packages] [Bug 1942624] Re: NVME "can't change power state from D3Cold to D0 (config space inaccessible)"

2022-03-21 Thread Heitor Alves de Siqueira
** Changed in: linux (Ubuntu Impish) Status: Confirmed => In Progress ** Changed in: linux-oem-5.14 (Ubuntu Focal) Status: Confirmed => In Progress ** Changed in: linux-oem-5.14 (Ubuntu) Status: Confirmed => In Progress -- You received this bug notification because you are

[Kernel-packages] [Bug 1942624] Re: NVME "can't change power state from D3Cold to D0 (config space inaccessible)"

2022-03-21 Thread Heitor Alves de Siqueira
buntu Impish) Assignee: (unassigned) => Heitor Alves de Siqueira (halves) ** Also affects: linux (Ubuntu Focal) Importance: Undecided Status: New ** Also affects: linux-oem-5.14 (Ubuntu Focal) Importance: Undecided Status: New ** Changed in: linux (Ubuntu Focal) Status:

[Kernel-packages] [Bug 1964992] Re: ZFS ignores ARC sizes below allmem/32

2022-03-21 Thread Heitor Alves de Siqueira
** Patch added: "lp1964992-focal.debdiff" https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1964992/+attachment/5571326/+files/lp1964992-focal.debdiff -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to zfs-linux in Ubuntu. https://

[Kernel-packages] [Bug 1964992] Re: ZFS ignores ARC sizes below allmem/32

2022-03-21 Thread Heitor Alves de Siqueira
This doesn't seem to be reproducible in Bionic, marking it as fixed accordingly. ** Changed in: zfs-linux (Ubuntu Bionic) Status: Confirmed => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to zfs-linux in Ubuntu. https:

[Kernel-packages] [Bug 1964992] [NEW] ZFS ignores ARC sizes below allmem/32

2022-03-15 Thread Heitor Alves de Siqueira
Status: Fix Released ** Affects: zfs-linux (Ubuntu Bionic) Importance: Medium Assignee: Heitor Alves de Siqueira (halves) Status: Confirmed ** Affects: zfs-linux (Ubuntu Focal) Importance: Medium Assignee: Heitor Alves de Siqueira (halves) Status: Confi

[Kernel-packages] [Bug 1964512] Re: Low RX performance for 40G Solarflare NICs

2022-03-10 Thread Heitor Alves de Siqueira
** Changed in: linux (Ubuntu Impish) Importance: Undecided => High ** Changed in: linux (Ubuntu Focal) Importance: Undecided => High ** Changed in: linux (Ubuntu Impish) Assignee: (unassigned) => Heitor Alves de Siqueira (halves) ** Changed in: linux (Ubuntu Focal)

[Kernel-packages] [Bug 1964512] [NEW] Low RX performance for 40G Solarflare NICs

2022-03-10 Thread Heitor Alves de Siqueira
ffic * It's possible to see increased calls to alloc_pages if ring sizes aren't being set correctly * We should look out for excessive memory usage in the sfc driver due to the increased ring sizes ** Affects: linux (Ubuntu) Importance: High Assignee: Heitor Alves de Siq

[Kernel-packages] [Bug 1956849] Re: Almost all USB ports suddenly stopped working; unbootable

2022-01-09 Thread Heitor Alves de Siqueira
@dgatwood would you be able to upload kernel logs and lsusb output from the -44 kernel? From what you're describing it seems like a possible issue with host controllers, but it's hard to tell without looking at what is going in the kernel. You can use `apport-collect 1956849` to upload relevant da

[Kernel-packages] [Bug 1948862] Re: KVM emulation failure when booting into VM crash kernel with multiple CPUs

2021-11-12 Thread Heitor Alves de Siqueira
Verified for Focal according to test case from description. A standard multipass VM with 8 vCPUs configured was able to capture a kernel dump without errors. Additionally, since the 5.4 kernel doesn't hit the MMU/reset bug directly, I've done some additional testing to ensure we didn't introduce a

[Kernel-packages] [Bug 1948862] Re: KVM emulation failure when booting into VM crash kernel with multiple CPUs

2021-10-27 Thread Heitor Alves de Siqueira
For future reference, this bug has been reported in Ubuntu KVM hosts outside of the specific kdump test scenario (i.e. when running actual VMs in production-like setups). The "kdump with multiple CPUs" case was discovered as an alternative that hits the same MMU context bug, without needing complex

[Kernel-packages] [Bug 1948862] Re: KVM emulation failure when booting into VM crash kernel with multiple CPUs

2021-10-27 Thread Heitor Alves de Siqueira
** Changed in: linux (Ubuntu Focal) Status: New => Confirmed ** Changed in: linux (Ubuntu Bionic) Importance: Undecided => High -- 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/194

[Kernel-packages] [Bug 1948862] Re: KVM emulation failure when booting into VM crash kernel with multiple CPUs

2021-10-27 Thread Heitor Alves de Siqueira
cided Status: New ** Also affects: linux (Ubuntu Bionic) Importance: Undecided Status: New ** Changed in: linux (Ubuntu Bionic) Status: New => Confirmed ** Changed in: linux (Ubuntu Focal) Importance: Undecided => High ** Changed in: linux (Ubuntu Bionic)

[Kernel-packages] [Bug 1948862] Re: KVM emulation failure when booting into VM crash kernel with multiple CPUs

2021-10-27 Thread Heitor Alves de Siqueira
** Description changed: [Impact] When kexec'ing into a crash kernel with ncpus > 1, VMs can raise a KVM emulation failure. This will cause the VM to go into the "paused" state, and prevents it from being restored without a full VM restart. This happens only when there are multiple enabl

[Kernel-packages] [Bug 1948862] Re: KVM emulation failure when booting into VM crash kernel with multiple CPUs

2021-10-27 Thread Heitor Alves de Siqueira
** Description changed: [Impact] - When kexec'ing into a crash kernel with `ncpus` > 1, VMs can raise a KVM - emulation failure. This will cause the VM to go into the "paused" state, and - prevents it from being restored without a full VM restart. + When kexec'ing into a crash kernel with ncpus

[Kernel-packages] [Bug 1948862] [NEW] KVM emulation failure when booting into VM crash kernel with multiple CPUs

2021-10-26 Thread Heitor Alves de Siqueira
^2~58 v5.15-rc1~65^2~119 v5.15-rc1~65^2~120 ** Affects: linux (Ubuntu) Importance: High Assignee: Heitor Alves de Siqueira (halves) Status: New ** Tags: sts -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. htt

[Kernel-packages] [Bug 1875577] Re: Encrypted swap won't load on 20.04 with zfs root

2021-08-02 Thread Heitor Alves de Siqueira
Validated with ZFS from focal-proposed, according to test case from description: ubuntu@z-rotomvm34:~$ dpkg -l | grep zfsutils ii zfsutils-linux 0.8.3-1ubuntu12.12 amd64command-line tools to manage OpenZFS filesystems ubuntu@z-rotomvm34:~$ zfs list

[Kernel-packages] [Bug 1875577] Re: Encrypted swap won't load on 20.04 with zfs root

2021-07-14 Thread Heitor Alves de Siqueira
** Description changed: [Impact] Encrypted swap partitions may not load correctly with ZFS root, due to ordering cycle on zfs-mount.service. [Test Plan] 1. Install Ubuntu 20.04 using ZFS-on-root 2. Add encrypted partition to /etc/crypttab: -swap/dev/nvme0n1p1 /dev/urandom

[Kernel-packages] [Bug 1875577] Re: Encrypted swap won't load on 20.04 with zfs root

2021-07-12 Thread Heitor Alves de Siqueira
** Description changed: + [Impact] + Encrypted swap partitions may not load correctly with ZFS root, due to ordering cycle on zfs-mount.service. + + [Test Plan] + 1. Install Ubuntu 20.04 using ZFS-on-root + 2. Add encrypted partition to /etc/crypttab: +swap/dev/nvme0n1p1 /dev/urandom

[Kernel-packages] [Bug 1875577] Re: Encrypted swap won't load on 20.04 with zfs root

2021-07-12 Thread Heitor Alves de Siqueira
** Changed in: zfs-linux (Ubuntu Focal) Importance: Undecided => Medium ** Changed in: zfs-linux (Ubuntu Focal) Assignee: (unassigned) => Heitor Alves de Siqueira (halves) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to zfs

[Kernel-packages] [Bug 1772675] Re: i40e PF reset due to incorrect MDD event

2021-03-30 Thread Heitor Alves de Siqueira
Verified for Bionic following the same test procedure from comment #13, running on the current -proposed kernel: ubuntu@snorlax:~$ uname -rv 4.15.0-141-generic #145-Ubuntu SMP Wed Mar 24 18:08:07 UTC 2021 I had to adjust the tx_desc_addr probes, subtracting 0x4 from both offsets and changing the

[Kernel-packages] [Bug 1772675] Re: i40e PF reset due to incorrect MDD event

2021-03-30 Thread Heitor Alves de Siqueira
Verified for Xenial following the same test procedure from comment #13, running on the current -proposed kernel: ubuntu@snorlax:~/kprobe$ uname -rv 4.4.0-207-generic #239-Ubuntu SMP Thu Mar 25 02:59:26 UTC 2021 The offsets don't seem to have changed on any of the probes, so I've used the same set

[Kernel-packages] [Bug 1916486] Re: zfs_zrele_async can cause txg sync deadlocks

2021-03-18 Thread Heitor Alves de Siqueira
There's a build failure for zfs-linux on riscv64/focal, but that should be safe to ignore for this patch. The riscv64 builds seem to have failed since they were enabled in 0.8.3-1ubuntu11, and are related to an "Unsupported ISA type" error in the libspl header files. It's likely that we're missing

[Kernel-packages] [Bug 1916486] Re: zfs_zrele_async can cause txg sync deadlocks

2021-03-12 Thread Heitor Alves de Siqueira
Verified for Xenial, using the ZFS test suite. I don't think Xenial ships zfs-test, so I pulled it from upstream and ran it against the DKMS drivers. No new regressions were reported. ubuntu@z-rotomvm27:~$ dpkg -l | grep zfs-dkms ii zfs-dkms 0.6.5.6-0ubuntu29

[Kernel-packages] [Bug 1916486] Re: zfs_zrele_async can cause txg sync deadlocks

2021-03-12 Thread Heitor Alves de Siqueira
Verified for Groovy, through the ZFS test suite. No new regressions were reported. ubuntu@racah:/usr/share/zfs$ dpkg -l | grep zfs-dkms ii zfs-dkms 0.8.4-1ubuntu11.2 all OpenZFS filesystem kernel modules for Linux ** Tags added: verificati

[Kernel-packages] [Bug 1916486] Re: zfs_zrele_async can cause txg sync deadlocks

2021-03-12 Thread Heitor Alves de Siqueira
Verified for Focal, through the ZFS test suite. No new regressions were reported. ubuntu@z-rotomvm29:/usr/share/zfs$ dpkg -l | rg zfs-dkms ii zfs-dkms 0.8.3-1ubuntu12.7 all OpenZFS filesystem kernel modules for Linux ** Tags added: verif

[Kernel-packages] [Bug 1916486] Re: zfs_zrele_async can cause txg sync deadlocks

2021-03-12 Thread Heitor Alves de Siqueira
Verified for Bionic, through the ZFS test suite. No new regressions were reported, and results of the test suite are the same as for the previous version. ubuntu@z-rotomvm28:/usr/share/zfs$ dpkg -l |grep zfs-dkms ii zfs-dkms 0.7.5-1ubuntu16.11

[Kernel-packages] [Bug 1772675] Re: i40e PF reset due to incorrect MDD event

2021-03-10 Thread Heitor Alves de Siqueira
** Description changed: [Impact] The i40e driver sometimes causes a "malicious device" event that the firmware detects, which causes the firmware to reset the NIC, causing an interruption in the network connection - which can cause further problems, e.g. if the interface is in a bond; the r

[Kernel-packages] [Bug 1772675] Re: i40e PF reset due to incorrect MDD event

2021-03-10 Thread Heitor Alves de Siqueira
I'm attaching kprobes for the Xenial kernels. These are based on the 4.4.0-203/204 versions. I followed the same test setup for Bionic, as described in the previous comment, and also had similar results. The netdev watchdog seems to take good care of any hung queues, so in the end PF resets will

[Kernel-packages] [Bug 1772675] Re: i40e PF reset due to incorrect MDD event

2021-03-09 Thread Heitor Alves de Siqueira
Given that we're could be changing reset behavior that might be expected from the firmware, I wrote a quick set of kprobes to force the firmware to raise MDD events and test out the patched kernel from the PPA. I tried to force faulty TX descriptors according to "Table 7-138. Tx Descriptor Validit

[Kernel-packages] [Bug 1772675] Re: Intel i40e PF reset due to incorrect MDD detection

2021-03-04 Thread Heitor Alves de Siqueira
** Summary changed: - Intel i40e PF reset due to incorrect MDD detection (continues...again...) + Intel i40e PF reset due to incorrect MDD detection ** Summary changed: - Intel i40e PF reset due to incorrect MDD detection + i40e PF reset due to incorrect MDD event -- You received this bug noti

[Kernel-packages] [Bug 1772675] Re: Intel i40e PF reset due to incorrect MDD detection (continues...again...)

2021-03-04 Thread Heitor Alves de Siqueira
** Description changed: [Impact] The i40e driver sometimes causes a "malicious device" event that the firmware detects, which causes the firmware to reset the NIC, causing an interruption in the network connection - which can cause further problems, e.g. if the interface is in a bond; the r

[Kernel-packages] [Bug 1772675] Re: Intel i40e PF reset due to incorrect MDD detection (continues...again...)

2021-03-04 Thread Heitor Alves de Siqueira
** Description changed: - [impact] + [Impact] + The i40e driver sometimes causes a "malicious device" event that the firmware detects, which causes the firmware to reset the NIC, causing an interruption in the network connection - which can cause further problems, e.g. if the interface is in a

[Kernel-packages] [Bug 1916486] Re: zfs_zrele_async can cause txg sync deadlocks

2021-03-02 Thread Heitor Alves de Siqueira
** Description changed: [Impact] TXG sync stalls, causing ZFS workloads to hang indefinitely [Description] For certain ZFS workloads, we can see hung task timeouts in the kernel logs due to a transaction group deadlock. Userspace process will hang and display stack traces similar to t

[Kernel-packages] [Bug 1916486] Re: zfs_zrele_async can cause txg sync deadlocks

2021-03-02 Thread Heitor Alves de Siqueira
** Patch added: "lp1916486-xenial.debdiff" https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1916486/+attachment/5471918/+files/lp1916486-xenial.debdiff -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to zfs-linux in Ubuntu. https:

[Kernel-packages] [Bug 1916486] Re: zfs_zrele_async can cause txg sync deadlocks

2021-03-02 Thread Heitor Alves de Siqueira
** Patch added: "lp1916486-groovy.debdiff" https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1916486/+attachment/5471921/+files/lp1916486-groovy.debdiff -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to zfs-linux in Ubuntu. https:

[Kernel-packages] [Bug 1916486] Re: zfs_zrele_async can cause txg sync deadlocks

2021-03-02 Thread Heitor Alves de Siqueira
** Patch added: "lp1916486-focal.debdiff" https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1916486/+attachment/5471920/+files/lp1916486-focal.debdiff -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to zfs-linux in Ubuntu. https://

[Kernel-packages] [Bug 1916486] Re: zfs_zrele_async can cause txg sync deadlocks

2021-03-02 Thread Heitor Alves de Siqueira
** Patch added: "lp1916486-bionic.debdiff" https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1916486/+attachment/5471919/+files/lp1916486-bionic.debdiff -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to zfs-linux in Ubuntu. https:

[Kernel-packages] [Bug 1916486] Re: zfs_zrele_async can cause txg sync deadlocks

2021-03-02 Thread Heitor Alves de Siqueira
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to zfs-linux in Ubuntu. https://bugs.launchpad.net/bugs/1916486 Title: zfs_zrele_async can cause txg sync deadlocks Status in zfs-linux package in Ubuntu: Fix Released Status in zfs-linux s

[Kernel-packages] [Bug 1772675] Re: Intel i40e PF reset due to incorrect MDD detection (continues...again...)

2021-02-26 Thread Heitor Alves de Siqueira
I've pushed some test kernels for X/B to a public PPA assigned to this bug [0], hopefully it'll make validating the upstream patch a bit easier. [0] https://launchpad.net/~halves/+archive/ubuntu/lp1772675 ** Changed in: linux (Ubuntu Xenial) Importance: Low => High ** Changed in: linux (Ubunt

[Kernel-packages] [Bug 1916486] Re: zfs_zrele_async can cause txg sync deadlocks

2021-02-25 Thread Heitor Alves de Siqueira
** Changed in: zfs-linux (Ubuntu Hirsute) Status: In Progress => Fix Released ** Changed in: zfs-linux (Ubuntu Hirsute) Assignee: Heitor Alves de Siqueira (halves) => (unassigned) ** Description changed: [Impact] TXG sync stalls, causing ZFS workloads to hang indefi

[Kernel-packages] [Bug 1916486] Re: zfs_zrele_async can cause txg sync deadlocks

2021-02-22 Thread Heitor Alves de Siqueira
** Changed in: zfs-linux (Ubuntu Bionic) Status: New => In Progress ** Changed in: zfs-linux (Ubuntu Xenial) Status: New => In Progress ** Changed in: zfs-linux (Ubuntu Focal) Status: New => In Progress ** Changed in: zfs-linux (Ubuntu Groovy) Status: New => In Progre

[Kernel-packages] [Bug 1916486] [NEW] zfs_zrele_async can cause txg sync deadlocks

2021-02-22 Thread Heitor Alves de Siqueira
rther regressions should be fairly controlled. Potential regressions might arise in the ZFS writeback path, so we should monitor heavy I/O workloads that put a lot of stress in the sync and evict paths. ** Affects: zfs-linux (Ubuntu) Importance: Critical Assignee: Heitor Alves de Siq

[Kernel-packages] [Bug 1772675] Re: Intel i40e PF reset due to incorrect MDD detection (continues...again...)

2021-02-19 Thread Heitor Alves de Siqueira
on PF in response to MDD event $ git describe --contains a1df906c5be7 v5.2-rc1~133^2~57^2~9 [0] https://git.kernel.org/linus/a1df906c5be7 ** Changed in: linux (Ubuntu) Assignee: (unassigned) => Heitor Alves de Siqueira (halves) ** Changed in: linux (Ubuntu Xenial) Assignee: (un

[Kernel-packages] [Bug 1840043] Re: bcache: Performance degradation when querying priority_stats

2021-01-26 Thread Heitor Alves de Siqueira
@pponnuvel stat(2) doesn't perform a read(2) on the file, so it won't call the show() method for priority_stats (which was the problematic call for this specific sysfs attribute). In any case, this should be fixed in all supported Ubuntu series, so even read(2) shouldn't be an issue anymore. Pleas

[Kernel-packages] [Bug 1908264] Re: Disable Atari partition support for linux-aws

2020-12-15 Thread Heitor Alves de Siqueira
Patches sent to the kernel-team list: https://lists.ubuntu.com/archives/kernel-team/2020-December/115633.html -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-aws in Ubuntu. https://bugs.launchpad.net/bugs/1908264 Title: Disable At

[Kernel-packages] [Bug 1908264] Re: Disable Atari partition support for linux-aws

2020-12-15 Thread Heitor Alves de Siqueira
** Description changed: [Impact] Atari partition tables have very broad specifications, and can spontaneously show up on uncleared disks with "garbage" data. There have been reports of misinterpreted AHDI partition tables before (see [0] and [1]), usually as an unintended side-effect of usi

[Kernel-packages] [Bug 1908264] Re: Disable Atari partition support for linux-aws

2020-12-15 Thread Heitor Alves de Siqueira
t; Confirmed ** Changed in: linux-aws (Ubuntu Xenial) Assignee: (unassigned) => Heitor Alves de Siqueira (halves) ** Changed in: linux-aws (Ubuntu Focal) Assignee: (unassigned) => Heitor Alves de Siqueira (halves) ** Changed in: linux-aws (Ubuntu Bionic) Assignee: (unassigned)

[Kernel-packages] [Bug 1908264] Re: Disable Atari partition support for linux-aws

2020-12-15 Thread Heitor Alves de Siqueira
** Description changed: [Impact] - Atari partition tables have very broad specifications, and can spontaneously - show up on uncleared disks with "garbage" data. There have been reports of - misinterpreted AHDI partition tables before (see [0] and [1]), usually as an - unintended side-effect of

[Kernel-packages] [Bug 1908264] [NEW] Disable Atari partition support for linux-aws

2020-12-15 Thread Heitor Alves de Siqueira
Public bug reported: [Impact] Atari partition tables have very broad specifications, and can spontaneously show up on uncleared disks with "garbage" data. There have been reports of misinterpreted AHDI partition tables before (see [0] and [1]), usually as an unintended side-effect of using non-

[Kernel-packages] [Bug 1852432] Re: i40e: Setting VF MAC address causes General Protection Fault

2020-07-14 Thread Heitor Alves de Siqueira
** Changed in: linux (Ubuntu) Status: Confirmed => Fix Released ** Changed in: linux (Ubuntu Focal) Status: Confirmed => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.ne

[Kernel-packages] [Bug 1869229] Re: Mounting LVM snapshots with xfs can hit kernel BUG in nvme driver

2020-03-26 Thread Heitor Alves de Siqueira
For reference, the kernel spew of the BUG_ON: [ 78.354129] kernel BUG at /home/ubuntu/xenial-aws/drivers/nvme/host/pci.c:619! [ 78.357297] invalid opcode: [#1] SMP [ 78.359613] Modules linked in: dm_snapshot dm_bufio xfs ppdev serio_raw parport_pc 8250_fintek parport i2c_piix4 ib_iser

[Kernel-packages] [Bug 1869229] Re: Mounting LVM snapshots with xfs can hit kernel BUG in nvme driver

2020-03-26 Thread Heitor Alves de Siqueira
Patches sent out to kernel-team list: https://lists.ubuntu.com/archives/kernel-team/2020-March/108551.html https://lists.ubuntu.com/archives/kernel-team/2020-March/108552.html -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubunt

[Kernel-packages] [Bug 1869229] Re: Mounting LVM snapshots with xfs can hit kernel BUG in nvme driver

2020-03-26 Thread Heitor Alves de Siqueira
** Description changed: [Impact] When mounting LVM snapshots using xfs, it's possible to hit a BUG_ON() in nvme driver. Upstream commit 729204ef49ec ("block: relax check on sg gap") introduced a way to merge bios if they are physically contiguous. This can lead to issues if one rq st

[Kernel-packages] [Bug 1869229] Re: Mounting LVM snapshots with xfs can hit kernel BUG in nvme driver

2020-03-26 Thread Heitor Alves de Siqueira
** Changed in: linux (Ubuntu Xenial) Status: New => Confirmed ** Changed in: linux (Ubuntu Xenial) Assignee: (unassigned) => Heitor Alves de Siqueira (halves) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in

[Kernel-packages] [Bug 1869229] [NEW] Mounting LVM snapshots with xfs can hit kernel BUG in nvme driver

2020-03-26 Thread Heitor Alves de Siqueira
cided Status: Fix Released ** Affects: linux (Ubuntu Xenial) Importance: Undecided Status: New ** Tags: sts ** Changed in: linux (Ubuntu) Assignee: Heitor Alves de Siqueira (halves) => (unassigned) ** Also affects: linux (Ubuntu Xenial) Importance: Undecided

[Kernel-packages] [Bug 1856084] Re: Livelock between ZFS evict and writeback threads

2019-12-13 Thread Heitor Alves de Siqueira
** Patch added: "lp1856084-focal.debdiff" https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1856084/+attachment/5312221/+files/lp1856084-focal.debdiff ** Tags removed: sts-sponsor -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to

[Kernel-packages] [Bug 1852432] Re: i40e: Setting VF MAC address causes General Protection Fault

2019-12-12 Thread Heitor Alves de Siqueira
Verified on disco with the following test case: $ uname -r 5.0.0-38-generic $ echo 64 | sudo tee /sys/class/net/ens1f0/device/sriov_numvfs && virsh attach-interface iov hostdev :08:02.6 --managed --live 64 Interface attached successfully ** Tags removed: verification-needed-disco ** Tags add

[Kernel-packages] [Bug 1856084] Re: Livelock between ZFS evict and writeback threads

2019-12-12 Thread Heitor Alves de Siqueira
** Patch added: "lp1856084-eoan.debdiff" https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1856084/+attachment/5312045/+files/lp1856084-eoan.debdiff -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to zfs-linux in Ubuntu. https://bu

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