The crash seems to be in the monitor numbering displayed while the
Settings app is open:
[ 749.493355] decuman gnome-shell[6575]: GNOME Shell crashed with signal 11
[ 749.493355] decuman gnome-shell[6575]: == Stack trace for context
0x6044d87c2ac0 ==
[ 749.493709] decuman gnome-shell[6575]: #0 6044d888f0c0 i
resource:///org/gnome/shell/ui/osdMonitorLabeler.js:104 (db8b9a7ad80 @ 119)
[ 749.493709] decuman gnome-shell[6575]: #1 6044d888f000 i
resource:///org/gnome/shell/ui/shellDBus.js:354 (3db34bd71ce0 @ 349)
[ 749.493709] decuman gnome-shell[6575]: #2 6044d888ef58 i
self-hosted:1461 (3db34bd2a0b0 @ 30)
[ 749.493709] decuman gnome-shell[6575]: #3 7fffdf22a8e0 b self-hosted:852
(2491ea6c40 @ 15)
[ 749.493709] decuman gnome-shell[6575]: #4 6044d888eec8 i
resource:///org/gnome/shell/ui/init.js:21 (1ab9ad470bf0 @ 48)
That could have the same root cause as a lost display config if the
detected display specs are changing during wakeup.
** Summary changed:
- On high resolution modes, after screen resume from power saving, the display
configuration gets lost, and sometimes Gnome crashes
+ [nvidia] On high resolution modes, after screen resume from power saving, the
display configuration gets lost, and sometimes Gnome crashes
** Changed in: gnome-shell (Ubuntu)
Status: Incomplete => New
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https://bugs.launchpad.net/bugs/2081199
Title:
[nvidia] On high resolution modes, after screen resume from power
saving, the display configuration gets lost, and sometimes Gnome
crashes
Status in gnome-shell package in Ubuntu:
New
Bug description:
This is a follow-up issue from
https://bugs.launchpad.net/ubuntu/+source/ubuntu-drivers-
common/+bug/2075525, and some of the information from the earlier
issue may apply here.
I have configured the host screen with two monitors extending the desktop.
They are both configured at 3840x2160 @ 60Hz, scale 200%, fractional scaling:
no.
I'm using a HDMI 2.1 cable on the one monitor, and a DisplayPort cable
on the other monitor. My graphics card lacks a second display port
connector, so I can not try if the problem would persist with two
DisplayPort cables.
After a period of inactivity, the screens get blanked as configured.
When I move the mouse and the screens unblank, the display configuration is
changed. I have observed different behavior of the changed display
configuration:
- most commonly, the displays change into mirror mode instead of joined mode.
- sometimes, a third, small display appears on one of the sides.
- sometimes, the second monitor stays blank
- sometimes, Gnome crashes
I confirm that I have ubuntu-drivers-common:amd64/noble-updates
1:0.9.7.6ubuntu3.1, so this should have the issue fixed?
Attached is an excerpt from syslog, from around the time then I
unlocked the display coming back from suspend, until the Gnome crash.
System information:
No LSB modules are available.
Description: Ubuntu 24.04.1 LTS
Release: 24.04
---
ProblemType: Bug
ApportVersion: 2.28.1-0ubuntu3.1
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
DisplayManager: gdm3
DistroRelease: Ubuntu 24.04
InstallationDate: Installed on 2021-05-28 (1216 days ago)
InstallationMedia: Ubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64
(20210209.1)
NonfreeKernelModules: nvidia_modeset nvidia
Package: gnome-shell 46.0-0ubuntu6~24.04.4
PackageArchitecture: amd64
ProcVersionSignature: Ubuntu 6.8.0-45.45-generic 6.8.12
RelatedPackageVersions: mutter-common 46.2-1ubuntu0.24.04.1
Tags: noble
Uname: Linux 6.8.0-45-generic x86_64
UpgradeStatus: Upgraded to noble on 2024-09-05 (20 days ago)
UserGroups: adm cdrom dip docker lpadmin netdev plugdev render sudo users
_MarkForUpload: True
modified.conffile..etc.default.apport:
# set this to 0 to disable apport, or to 1 to enable it
# you can temporarily override this with
# sudo service apport start force_start=1
enabled=0
mtime.conffile..etc.default.apport: 2024-08-28T12:29:47.196272
mtime.conffile..etc.init.d.apport: 2024-07-22T16:59:07
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