This bug no longer appears to be reproducible on noble with the 6.8
generic kernels, so I have marked it as resolved.
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https://bugs.launchpad.net/bugs/2052663
Title:
** Changed in: fabric-manager-535 (Ubuntu)
Assignee: (unassigned) => Mitchell Augustin (mitchellaugustin)
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Mitchell Augustin (mitchellaugustin)
** Changed in: nvidia-graphics-drivers-535-server (Ubuntu)
Assignee: (unas
Fix has landed upstream:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/aio.c?h=v6.9-rc3=caeb4b0a11b3393e43f7fa8e0a5a18462acc66bd
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A fix has been applied to vfs.fixes upstream and should land soon. I
have tested this patch and verified that the panic no longer occurs.
** Changed in: linux (Ubuntu)
Status: New => Fix Committed
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This issue is still present upstream, so I reported it to the original
committer of the patch.
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https://bugs.launchpad.net/bugs/2058557
Title:
Kernel panic during checkbox
I have isolated the cause of this bug to this commit:
https://git.launchpad.net/~ubuntu-
kernel/ubuntu/+source/linux/+git/noble/commit/?h=Ubuntu-6.8.0-20.20=71eb6b6b0ba93b1467bccff57b5de746b09113d2
All versions that I tested before this commit during my bisect passed
the aiol test at least 15
It turns out that this issue does not appear with *every* run of the
aiol test on affected kernels, so multiple runs of that test may be
necessary for the panic to occur.
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I did some more version testing, and I have not been able to reproduce
this bug with the "aiol" stressor on either Upstream 6.5 or Ubuntu
6.5.0-26-generic-64k, so it was evidently introduced after that version.
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Earlier, I said that the device mapper observation did not seem to be a
hard line - however, further testing now indicates that the situations
where I observed panics when stressing nvme0n1 were due to an unrelated
bug that is present in the latest 6.5 mainline tree, but *not* the
latest 6.5
I did not observe this issue with any other stress_ng disk tests on
linux-image-6.8.0-11-generic-64k after 1 full run of the suite with the
"aiol" test disabled.
(When running the "aiol" test alone, it panicked reliably each time.)
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Upon further investigation, the device mapper observation does not seem
to be a hard line, as I was able to observe panics when stressing both
dm-0 and nvme0n1 under different circumstances.
At the moment, it also seems like the specific part of stress_ng_test
that is the culprit is the
I have observed that this panic does not seem to happen when stressing
non-device-mapper devices (ex: it panics when running /usr/lib/checkbox-
provider-base/bin/stress_ng_test.py disk --device dm-0 --base-time 240,
but completes successfully when running /usr/lib/checkbox-provider-
This is also reproducible on the latest mainline version
(https://kernel.ubuntu.com/mainline/v6.8/arm64/, retrieved 20 Mar 2024 @
5 PM):
20 Mar 22:54: Running stress-ng aiol stressor for 240 seconds...
[ 354.451450] Unable to handle kernel paging request at virtual address
17be9b4aa3e187be
[
Public bug reported:
A kernel oops and panic occurred during 22.04 SoC certification on
Gunyolk (Grace/Grace) with 6.8 kernel, arm64+largemem variant
Steps to reproduce:
Run (as root) the following commands:
add-apt-repository -y ppa:checkbox-dev/stable
apt-add-repository -y
I identified a similar bug today when installing nvidia-
fabricmanager-535 on a noble dev build for arm64 that may be related:
https://bugs.launchpad.net/ubuntu/+source/fabric-
manager-535/+bug/2052663
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