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[Launchpad Bug Tracker <2122654@xxxxxxxxxxxxxxxxxx>]

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After I upgraded to Ubuntu 25.10, I noticed that I'm periodically running out of memory couple of times per day. `watch free -h` indeed shows a huge shared memory usage (3 GB and rising). The shared memory usage climbs up at a rate about 3mb/s and there's apparently no ceiling - something just uses all of the memory.
`htop` shows no app with a huge usage of the shared memory, but I do notice gnome-shell using a lot of virtual memory (5G and climbing up).

When I log out and log back in, the shared memory usage is reset to
100mb and starts climbing up again. `df -h|grep tmpfs` shows a stable
usage of 2mb, so this can't be the culprit. This leads me to believe
that `gnome-shell` is the culprit here. I'll try to disable all addons
and I'll try again.

ProblemType: Bug
DistroRelease: Ubuntu 25.10
Package: gnome-shell 49~rc-0ubuntu1
ProcVersionSignature: Ubuntu 6.17.0-3.3-generic 6.17.0-rc3
Uname: Linux 6.17.0-3-generic aarch64
ApportVersion: 2.33.1-0ubuntu2
Architecture: arm64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Fri Sep 12 11:52:22 2025
DisplayManager: gdm3
InstallationDate: Installed on 2024-10-08 (339 days ago)
InstallationMedia: Ubuntu-Server 24.04.1 LTS "Noble Numbat" - Release arm64 (20240827)
ProcEnviron:
 LANG=en_US.UTF-8
 PATH=(custom, no user)
 SHELL=/usr/bin/fish
 TERM=xterm-256color
 XDG_RUNTIME_DIR=<set>
RelatedPackageVersions: mutter-common 49~rc-0ubuntu2
SourcePackage: gnome-shell
UpgradeStatus: Upgraded to questing on 2025-09-12 (0 days ago)

** Affects: mesa (Ubuntu)
     Importance: Undecided
         Status: Incomplete


** Tags: apport-bug arm64 gnome-shell-leak questing third-party-packages wayland-session
-- 
virtio-gpu is leaking /dev/dri/card0 resources on arm64
https://bugs.launchpad.net/bugs/2122654
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