gnome-shell: freeze and high CPU usage

Bug #1850995 reported by Emanuele on 2019-11-01
This bug affects 1 person
Affects Status Importance Assigned to Milestone
gnome-shell (Ubuntu)

Bug Description

It's easy to reproduce: Put files on the desktop, select them, the selection remains and the whole shell crashes.
I switch to a tty2 session and see the gnome-shell process with 100% CPU.

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: gnome-shell 3.34.1+git20191024-1ubuntu1
ProcVersionSignature: Ubuntu 5.3.0-19.20-generic 5.3.1
Uname: Linux 5.3.0-19-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu9
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Sat Nov 2 00:32:11 2019
DisplayManager: gdm3
InstallationDate: Installed on 2019-02-18 (256 days ago)
InstallationMedia: Kubuntu 19.04 "Disco Dingo" - Alpha amd64 (20190130)
 PATH=(custom, no user)
RelatedPackageVersions: mutter-common 3.34.1+git20191022-2ubuntu1
SourcePackage: gnome-shell
UpgradeStatus: No upgrade log present (probably fresh install)

Emanuele (emanuc) wrote :
Emanuele (emanuc) wrote :

I also played it on VM:

Emanuele (emanuc) wrote :

I tried to start a session with "ubuntu wayland" on the VM and the problem is not there, the problem is only on the xorg session.
I can't start "ubuntu wayland" on the host desktop with the NVIDIA GPU, of course I enable "nvidia-drm.modeset = 1", but that's another problem.

Changed in gnome-shell (Ubuntu):
status: New → In Progress
assignee: nobody → Marco Trevisan (Treviño) (3v1n0)
importance: Undecided → High
assignee: Marco Trevisan (Treviño) (3v1n0) → nobody
no longer affects: gnome-shell
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