Public bug reported:
Probably related to this Bug
https://bugs.launchpad.net/ubuntu/+source/linux-oem-5.6/+bug/1876567
My server gets totally unresponsive (keyboard, no network, num lock
doesn't work, ...), even sysresq does not work most of the times.
The Problem seems to be related with nfs clients accessing the server
and an windows 10 kvm with gpu passthrough is running.
The system does not even create an kdump or logs anything interesting in
journal which may give some hints.
Thank you in advance, hope we finally find a solution.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.11.0-43-generic 5.11.0-43.47~20.04.2
ProcVersionSignature: Ubuntu 5.11.0-43.47~20.04.2-generic 5.11.22
Uname: Linux 5.11.0-43-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.21
Architecture: amd64
CasperMD5CheckResult: skip
Date: Sun Dec 26 15:27:50 2021
InstallationDate: Installed on 2019-02-21 (1038 days ago)
InstallationMedia: Ubuntu-Server 18.04.2 LTS "Bionic Beaver" - Release amd64
(20190210)
ProcEnviron:
TERM=screen
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=de_DE.UTF-8
SHELL=/bin/zsh
SourcePackage: linux-signed-hwe-5.11
UpgradeStatus: Upgraded to focal on 2020-08-21 (492 days ago)
** Affects: linux-signed-hwe-5.11 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal third-party-packages
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https://bugs.launchpad.net/bugs/1955762
Title:
total system freeze/lockup
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