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With this hardware configuration this issue has been a problem only when
suspending or resuming from suspend under 20.04. Having decided to
upgrade through 20.10 to 21.04 to see if things improve enough to help
me identify which package to report a bug against things have become
significantly worse.
With 20.04 it was an occasional occurrence found when returning to the
computer. Either it was stuck in the suspend process with a blank screen
or one with artefacts on, or it would start the resume and then lock.
On the upgrade to 21.04 (I didn't stop on 20.10 for more than enough
time to tidy up and upgrade again), the system seemed improved initially
- including notably improved boot times (no idea if that is related).
After a bit of checking things out I went to enable the PPAs that had
been disabled (Teamviewer, Nextcloud, Anydesk and Chrome - all of which
have been installed after the problems were initially noted). When the
window to authenticate popped up the screen filled with artefacts and I
had to reset. After several attempts to reboot into a working desktop
variously booting to artefacts, or getting artefacts immediately after
logging in (usually when opening and maximising a terminal to capture
the logs for later) I managed to change from Wayland to X.Org and logged
in successfully with no problems for the rest of the day (including a
Jitsi meeting lasting about 4 hours or more). The next day (today)
suspend and resume is causing problems as before, boot has slowed down
again (again, no idea if this is related).
Compared to 20.04 there are more frequent locks (it had reached one
every other day, but now it is more frequent - 4 today so far).
Key things I have noted:
- it is significantly worse under Wayland (to the point of being unusable)
- it usually happens during the suspend / resume, but not always
- when using the desktop it will always related to moving or resizing a window
- leaving the PC powered off for a few minutes helps to get a reliable reboot
(as in, if you reboot too quickly you get artefacts immediately after logging
in)
ProblemType: Bug
DistroRelease: Ubuntu 21.04
Package: gnome-shell 3.38.4-1ubuntu2
ProcVersionSignature: Ubuntu 5.11.0-17.18-generic 5.11.12
Uname: Linux 5.11.0-17-generic x86_64
ApportVersion: 2.20.11-0ubuntu65
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Sun May 16 19:23:00 2021
DisplayManager: gdm3
InstallationDate: Installed on 2020-10-16 (212 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
RelatedPackageVersions: mutter-common 3.38.4-1ubuntu2
SourcePackage: gnome-shell
UpgradeStatus: Upgraded to hirsute on 2021-05-15 (1 days ago)
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Incomplete
** Tags: amd64 amdgpu apport-bug hirsute
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[amdgpu] Gnome locks up with artifacts on screen
https://bugs.launchpad.net/bugs/1928600
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