Thanks for the bug report. Unfortunately since you have an unsupported
PPA ("oibaf") and kernel installed, we can't technically call this an
Ubuntu bug. Does the same problem happen with the official Ubuntu
kernel?
** Package changed: xorg (Ubuntu) => linux (Ubuntu)
** Tags added: amdgpu
**
Thanks for the bug report. Please also report the issue to the
developers at:
https://gitlab.gnome.org/GNOME/mutter/-/issues
and then tell us the new issue ID.
** Tags added: amdgpu
** Summary changed:
- Only half of MST display is visible after boot or sleep
+ Only half of MST tiled
Public bug reported:
Only left half of a 4K display in MST mode visible after sleep. The same
problem often appears after boot as well. Changing mode to any arbitrary
resolution and reverting back resolves the problem.
Display Asus PQ321qe
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package:
Public bug reported:
This is what I am having in the jouralctl logs:
Aug 26 17:11:02 dagon kernel: amdgpu :03:00.0: amdgpu:
MMVM_L2_PROTECTION_FAULT_STATUS:0x00705631
Aug 26 17:11:02 dagon kernel: amdgpu :03:00.0: amdgpu: Faulty
UTCL2 client ID: VCN0 (0x2b)
Aug 26 17:11:02
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