New memory leaks in gnome-shell 3.30.1

Bug #1800165 reported by Taddeo Manzi on 2018-10-26
This bug affects 13 people
Affects Status Importance Assigned to Milestone
gnome-shell (Ubuntu)
Nominated for Cosmic by Daniel van Vugt
Nominated for Disco by Daniel van Vugt
mutter (Ubuntu)
Nominated for Cosmic by Daniel van Vugt
Nominated for Disco by Daniel van Vugt

Bug Description


I have installed GNOME on ArchLinux with pretty much the same setup as in Ubuntu, (same extensions, same programs and same libs).
Nevertheless, on Arch, GNOME Shell RAM usage is 30/60 MB, on Ubuntu 150/160 MB. In general Ubuntu is way slower and heavier than arch in pretty much all tasks.
I do not understand why that should hold.

ProblemType: Bug
DistroRelease: Ubuntu 18.10
Package: gnome-shell 3.30.1-2ubuntu1
Uname: Linux 4.19.0-999-generic x86_64
ApportVersion: 2.20.10-0ubuntu13
Architecture: amd64
CurrentDesktop: GNOME
Date: Fri Oct 26 16:42:02 2018
DisplayManager: gdm3
InstallationDate: Installed on 2017-01-12 (652 days ago)
InstallationMedia: Xubuntu 16.10 "Yakkety Yak" - Release amd64 (20161012.2)
SourcePackage: gnome-shell
UpgradeStatus: Upgraded to cosmic on 2018-07-24 (94 days ago)
modified.conffile..etc.xdg.autostart.gnome-shell-overrides-migration.desktop: [modified]
mtime.conffile..etc.xdg.autostart.gnome-shell-overrides-migration.desktop: 2018-08-03T04:50:07.694860

Taddeo Manzi (sinistristradali) wrote :
Taddeo Manzi (sinistristradali) wrote :

Just after having turned on the system, without opening any program, Ubuntu uses 800 of 2000 MB of RAM while Archlinux 450 MB.

Daniel van Vugt (vanvugt) wrote :

The new leak in gnome-shell 3.30.1 is probably:

summary: - GNOME shell RAM usage is more than double than on identical setup on
- other distro
+ New memory leaks in gnome-shell 3.30.1
Changed in gnome-shell (Ubuntu):
status: New → Triaged
importance: Undecided → High
description: updated
riverfr0zen (riverfr0zen) wrote :

Can confirm that this happens to me after upgrading to 18.10.

uname -r : 4.18.0-10-generic
gnome-shell --version : GNOME Shell 3.30.1
Hardware: i7-3820, 16GB RAM, GTX 1060

Other references:

Daniel van Vugt (vanvugt) wrote :

The leak covered by the upstream bug gnome-shell#653 is fixed in mutter version 3.30.2. So the fix is already in Ubuntu 19.04 and is in proposed for 18.10.

Changed in mutter (Ubuntu):
status: New → Fix Released
Changed in gnome-shell (Ubuntu):
status: Triaged → Invalid
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