Similar symptoms to https://gitlab.freedesktop.org/drm/amd/-/issues/1406
and repeats in some form most of the time when unlocking screen after
screen blanking.
After suspend somewhat more random behaviour (works more often than
after blanking).
** Bug watch added: gitlab.freedesktop.org/drm/amd/-
** Attachment added: "Possibly related to
https://gitlab.freedesktop.org/drm/amd/-/issues/1406";
https://bugs.launchpad.net/ubuntu/+source/linux-signed-hwe-5.8/+bug/1926400/+attachment/5493225/+files/dmesg.20210429.log
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** Attachment added: "lspci-vvnn.log"
https://bugs.launchpad.net/ubuntu/+source/linux-signed-hwe-5.8/+bug/1926400/+attachment/5492985/+files/lspci-vvnn.log
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** Attachment added: "version.log"
https://bugs.launchpad.net/ubuntu/+source/linux-signed-hwe-5.8/+bug/1926400/+attachment/5492984/+files/version.log
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** Description changed:
HWE kernel appears to get more amdgpu MST related WARNINGs and Oopses than
non-HWE, mostly after resume from blanking or suspend.
Kernel logs for most recent one attached.
- $ journalctl -b -1 -k | egrep -v 'audit|dbus-daemon' > /tmp/oops20210428.txt
- $ fgrep RIP /
