Public bug reported:
When running ubuntu 24.04 with two workspaces both with LO Impress
presentations running the system hangs. A hardware reset is the only way
to recover.
In the output of journalctl for the following lines appear very near the
end of the journal which is incomplete.
Dec 15 10:14:20 jslite kernel: i915 0000:00:02.0: [drm] *ERROR* GT0: GUC: CT:
Unsolicited response message: len 1, data 0xe0000100 (fence 36530, last 36530)
Dec 15 10:14:20 jslite kernel: i915 0000:00:02.0: [drm] *ERROR* GT0: GUC: CT:
Failed to handle HXG message (-ENOKEY) 00 01 00 e0
Dec 15 10:14:20 jslite kernel: i915 0000:00:02.0: [drm] *ERROR* GT0: GUC: CT:
Failed to process CT message (-ENOKEY) 01 00 b2 8e 00 01 00 e0
These errors do not normally appear in the journal. Full copy of the
journalctl output is attached.
Output from uname -a
Linux jslite 6.8.0-50-generic #51-Ubuntu SMP PREEMPT_DYNAMIC Sat Nov 9
17:58:29 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
** Affects: ubuntu
Importance: Undecided
Status: New
** Attachment added: "Output from journalctl"
https://bugs.launchpad.net/bugs/2091821/+attachment/5845462/+files/jrnllockup.txt
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https://bugs.launchpad.net/bugs/2091821
Title:
i915 error causes system hang
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