I believe there are some freeze fixes coming in Mutter 48.1 (likely next
week). In the meantime, next time it happens please reboot and then run:
journalctl -b-1 > prevboot.txt
and attach the resulting text file here.
You might be able to work around freezes by adding one or both of these
to /etc/environment:
MUTTER_DEBUG_KMS_THREAD_TYPE=user
MUTTER_DEBUG_FORCE_KMS_MODE=simple
** Package changed: gnome-shell (Ubuntu) => mutter (Ubuntu)
** Changed in: mutter (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/2104949
Title:
Computer freezes and will not respond to key commands requiring hard
reset
Status in mutter package in Ubuntu:
Incomplete
Bug description:
My computer seems to randomly freeze, but more often when connected to
external monitors and USB hub with keyboard and mouse attached.
ProblemType: Bug
DistroRelease: Ubuntu 25.04
Package: gnome-shell 48.0-1ubuntu1
ProcVersionSignature: Ubuntu 6.14.0-13.13-generic 6.14.0
Uname: Linux 6.14.0-13-generic x86_64
ApportVersion: 2.32.0-0ubuntu2
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Fri Mar 28 14:59:01 2025
DisplayManager: gdm3
InstallationDate: Installed on 2025-03-27 (1 days ago)
InstallationMedia: Ubuntu 25.04 "Plucky Puffin" - Beta amd64 (20250326.6)
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
XDG_RUNTIME_DIR=<set>
RelatedPackageVersions: mutter-common 48.0-1ubuntu1
SourcePackage: gnome-shell
UpgradeStatus: No upgrade log present (probably fresh install)
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