I troubleshooted some more, and it looks like I may have resolved the issue.
For an unknown reason, suspend/hibernation service was enabled on this server.
It looked similar to this issue here
https://bbs.archlinux.org/viewtopic.php?id=269203, where a race condition
causes CPUs to freeze upon r
Taking a closer look at the timing behind the CPU soft lockup, turns out
it happens every 21 minutes, varying between 21min33sec and 21min42sec
for the times I've looked at.
root@marcus-server:/var/log# cat kern.log | grep watchdog: BUG: soft lockup -
(standard input):Sep 21 08:15:52 marcus-server
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** Attachment added: "UdevDb.txt"
https://bugs.launchpad.net/bugs/1989521/+attachment/5616818/+files/UdevDb.txt
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** Attachment added: "ProcInterrupts.txt"
https://bugs.launchpad.net/bugs/1989521/+attachment/5616816/+files/ProcInterrupts.txt
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** Attachment added: "ProcCpuinfo.txt"
https://bugs.launchpad.net/bugs/1989521/+attachment/5616814/+files/ProcCpuinfo.txt
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** Attachment added: "WifiSyslog.txt"
https://bugs.launchpad.net/bugs/1989521/+attachment/5616819/+files/WifiSyslog.txt
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** Attachment added: "ProcModules.txt"
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** Attachment added: "acpidump.txt"
https://bugs.launchpad.net/bugs/1989521/+attachment/5616820/+files/acpidump.txt
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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** Attachment added: "PaInfo.txt"
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** Attachment added: "IwConfig.txt"
https://bugs.launchpad.net/bugs/1989521/+attachment/5616807/+files/IwConfig.txt
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** Attachment added: "ProcCpuinfoMinimal.txt"
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** Attachment added: "Lspci-vt.txt"
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** Attachment added: "Lspci.txt"
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** Attachment added: "CRDA.txt"
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** Attachment added: "CurrentDmesg.txt"
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** Tags added: apport-collected jammy uec-images
** Description changed:
Hi all,
Ubuntu server 22.04.1 is having issues freezing repeatedly with CPU
softlocking. The issue seems to have started in the last week, all
packages are up to date. I've updated to hwe kerne
That situation occurs as well when installing nvidia-utils-* (in my case
nvidia-utils-450-server), which installs nvidia-settings. See
https://archlinux.org/packages/extra/x86_64/nvidia-settings/. This
requirement is optional and should be omitted on servers, as the same
issue will occur (hibernati
Could we change the name of the bug? It is not a kernel bug
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Title:
Kernel does not report interface speed correctly for Cisco UCS B
Testing with MAAS 2.6 and the network interfaces were detected
correctly. This points to MAAS 2.7 having a bug in the way it tests the
link speeds. Also, the smartctl-validate tests were successful
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Similar behaviour documented in this bug for ceph-mon and ceph-osd with
disco series. https://bugs.launchpad.net/charm-ceph-mon/+bug/1842498.
Might be a duplicate if the underlying cause is the same
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