Public bug reported:
Hi,
For info using Ubuntu Stonking Stingray (development branch) x86_64
daily and after the recent push of 51~alpha packages, any Gnome Shell
desktop crash with messages like:
août 03 09:43:47 XXXXXXXXX kernel: gnome-shell[7638]: segfault at 8 ip
00007a574ebe2e39 sp 00007ffc69febc50 error 4 in
libmutter-51.so.0.0.0[1e2e39,7a574ea65000+192000] likely on CPU 10 (core 20,
socket 0)
août 03 09:43:56 XXXXXXXXX kernel: gnome-shell[13267]: segfault at 8 ip
00007223613e2e39 sp 00007ffde0d72340 error 4 in
libmutter-51.so.0.0.0[1e2e39,722361265000+192000] likely on CPU 4 (core 8,
socket 0)
août 03 09:44:12 XXXXXXXXX kernel: gnome-shell[18090]: segfault at 8 ip
000074ffa33e2e39 sp 00007fffddd778e0 error 4 in
libmutter-51.so.0.0.0[1e2e39,74ffa3265000+192000] likely on CPU 22 (core 38,
socket 0)
Also GDM is not stable.
Don't know why no apport crash report is generated.
Thanks
ProblemType: Bug
DistroRelease: Ubuntu 26.10
Package: gnome-shell 51~alpha-0ubuntu4
ProcVersionSignature: Ubuntu 7.0.0-28.28-generic 7.0.12
Uname: Linux 7.0.0-28-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.35.0-0ubuntu1
Architecture: amd64
CasperMD5CheckMismatches: ./casper/minimal.enhanced-secureboot.squashfs
CasperMD5CheckResult: fail
CurrentDesktop: XFCE
Date: Mon Aug 3 09:52:40 2026
DisplayManager: gdm3
EcryptfsInUse: Yes
InstallationDate: Installed on 2025-03-01 (520 days ago)
InstallationMedia: Ubuntu 24.04.2 LTS "Noble Numbat" - Release amd64 (20250215)
RelatedPackageVersions: mutter-common 51~alpha-0ubuntu2
SourcePackage: gnome-shell
UpgradeStatus: Upgraded to stonking on 2025-03-03 (518 days ago)
** Affects: gnome-shell (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug stonking
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https://bugs.launchpad.net/bugs/2162714
Title:
kernel: gnome-shell[7638]: segfault at 8 ip 00007a574ebe2e39 sp
00007ffc69febc50 error 4 in
libmutter-51.so.0.0.0[1e2e39,7a574ea65000+192000] likely on CPU 10
(core 20, socket 0)
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