This has been verified on 5.4.0-135.152 generic kernel and also released to
focal-updates
see comment #28
Set to verification done
** Tags removed: verification-needed-focal
** Tags added: verification-done-focal
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This bug is awaiting verification that the linux-azure/5.4.0-1100.106
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-focal' to 'verification-done-focal'. If the
problem still exists,
This bug is awaiting verification that the linux-aws/5.4.0-1093.101
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-focal' to 'verification-done-focal'. If the
problem still exists, ch
This bug does not seem to be caused by containerd, so I am marking its
tasks as Invalid. If you disagree, please say so.
** Changed in: containerd (Ubuntu Focal)
Status: Confirmed => Invalid
** Changed in: containerd (Ubuntu)
Status: Confirmed => Invalid
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I was running `5.4.0-135` for 5 hours, and it looks good so far.
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Title:
containerd sporadic timeouts
Status in containerd package
This bug is awaiting verification that the linux-oracle/5.4.0-1091.100
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-focal' to 'verification-done-focal'. If the
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This bug was fixed in the package linux - 5.4.0-135.152
---
linux (5.4.0-135.152) focal; urgency=medium
* focal/linux: 5.4.0-135.152 -proposed tracker (LP: #1997412)
* containerd sporadic timeouts (LP: #1996678)
- epoll: call final ep_events_available() check under the lock
Note that this is not limited to containerd; we're running an upstream
version of the prometheus `node_exporter` on several hosts that is also
seeing spurious hangs that started after upgrading to the -132 kernel.
Rebooting into -131 fixes it.
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: containerd (Ubuntu Focal)
Status: New => Confirmed
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Right, 1 day running patched kernel proven it has fixed the issue. Given
there is a proper report in github - I will probably revert to some
older official kernel version.
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ht
Hi Hans,
Thanks for the pointer to the synthetic reproducer!
It provided accurate and consistent results considering
the kernel versions reported (not) to exhibit the issue.
The Azure test kernel with the 3 patches [1] to address
that shows the same (good) results as the Azure kernel
prior to th
The conclusion at
https://github.com/prometheus/node_exporter/issues/2500 was that the
relevant kernel change that caused this was `- epoll: autoremove wakers
even more aggressively`.
There is a small bug reproduction script in that issue too.
** Bug watch added: github.com/prometheus/node_export
1.5 hours of runtime: looks good so far (`5.4.0-132-generic
#148+epollcascardo1-Ubuntu`).
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Title:
containerd sporadic timeouts
Stat
Hi Ivan,
Yes, I just checked its changelog, which includes commits for this LP
bug number (below).
Thanks!
```
linux (5.4.0-135.152) focal; urgency=medium
* focal/linux: 5.4.0-135.152 -proposed tracker (LP: #1997412)
* containerd sporadic timeouts (LP: #1996678)
- epoll: call final ep
@Thadeu Lima de Souza Cascardo (cascardo),
if necessary later today I could install that to. It would be
`5.4.0-135.152` which you uploaded just `41 minutes ago`?
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There is also an alternative fix, which is the one we want to release
with building at ppa:canonical-kernel-team/ppa2. The data point with the
other kernel is still useful, though.
Thanks.
Cascardo.
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I just have booted into the new test kernel:
```
$ uname -a
Linux 5.4.0-132-generic #148+epollcascardo1-Ubuntu SMP Tue
Nov 22 12:57:05 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
```
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** Summary changed:
- 1.5.9-0ubuntu1~20.04.5 sporadic timeouts
+ containerd sporadic timeouts
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Title:
containerd sporadic timeouts
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