Thanks for the bug report.
While the problem is happening, please run:
ps -e -o pid,pcpu,comm --sort -pcpu > topcpu.txt
ps -e -o pid,rss,comm --sort -rss > toprss.txt
journalctl -b0 > journal.txt
and attach the resulting text files here.
** Changed in: gnome-shell (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/2107235
Title:
pc freeze for a seconds, vlc lag, terminal lag, chrome lag
Status in gnome-shell package in Ubuntu:
Incomplete
Bug description:
Ubuntu 24.04.2 LTS. Gnome 46.0
Issue Summary:
This report outlines recurring performance problems encountered while using
the Ubuntu operating system. The primary issue is frequent system freezes or
lags, where the entire system becomes unresponsive for short periods.
Detailed Description of the Problem:
My Ubuntu system frequently experiences brief periods of unresponsiveness,
manifesting as freezes or lags. These interruptions typically last between 1 to
3 seconds, although occasionally they can extend for up to 10 seconds. During
these moments, mouse movement may stutter or stop, keyboard input is ignored,
and application interfaces become temporarily unresponsive.
Conditions Under Which the Issue Occurs:
These performance issues are most noticeable and consistently occur when I am
performing the following tasks simultaneously:
Running Google Chrome web browser.
Watching videos using VLC media player.
It is important to note that my usage of Google Chrome often involves running
multiple profiles concurrently (typically 3 to 4 profiles).
Comparative Experience:
I have observed that running a similar workload on a Windows operating system
does not produce the same lagging or freezing behavior. Even with 3-4 Chrome
profiles open and a media player running, the Windows system maintains
responsiveness without these noticeable pauses. This suggests the issue might
be specific to the Ubuntu environment, its configuration, or its interaction
with my hardware under this specific workload.
Conclusion:
The frequent freezing and lagging significantly impact the usability and
productivity of my Ubuntu system, particularly when multitasking with Google
Chrome (using multiple profiles) and VLC. This contrasts with the smoother
performance experienced under similar conditions on Windows. Further
investigation or troubleshooting may be required to identify the root cause and
potential solutions.
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: gnome-shell 46.0-0ubuntu6~24.04.8
ProcVersionSignature: Ubuntu 6.11.0-21.21~24.04.1-generic 6.11.11
Uname: Linux 6.11.0-21-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.28.1-0ubuntu3.5
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Sat Apr 12 16:23:15 2025
DisplayManager: gdm3
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
XDG_RUNTIME_DIR=<set>
RelatedPackageVersions: mutter-common 46.2-1ubuntu0.24.04.7
SourcePackage: gnome-shell
UpgradeStatus: No upgrade log present (probably fresh install)
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