Ubuntu
gnome-shell package

when trying to lock my screen I always get: gnome-shell crashed with SIGSEGV in _st_theme_node_ensure_background() from st_theme_node_paint_equal()

Bug #1881038 reported by LGB [Gábor Lénárt] on 2020-05-27

This bug report is a duplicate of: Bug #1877774: gnome-shell crashed with SIGSEGV in _st_theme_node_ensure_background() from st_theme_node_paint_equal() from st_widget_recompute_style() from st_widget_style_changed() [when locking the screen] [usually due to dash-to-panel]. Edit Remove

This bug affects 1 person

Affects		Status	Importance	Assigned to	Milestone
	gnome-shell (Ubuntu)	New	Undecided	Unassigned

Bug Description

When I try to lock the screen, gnome-shell seems to crash, always since two days or so (I update daily basis). crash file is attached. x86_64 Ubuntu 20.04 LTS

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: gnome-shell 3.36.2-1ubuntu1~20.04.1
ProcVersionSignature: Ubuntu 5.4.0-31.35-generic 5.4.34
Uname: Linux 5.4.0-31-generic x86_64
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Thu May 28 01:38:46 2020
DisplayManager: gdm3
InstallationDate: Installed on 2020-03-06 (82 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Alpha amd64 (20200304)
RelatedPackageVersions: mutter-common 3.36.2-1ubuntu1~20.04.1
SourcePackage: gnome-shell
UpgradeStatus: No upgrade log present (probably fresh install)

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Revision history for this message

LGB [Gábor Lénárt] (lgb) wrote on 2020-05-27:

crash file Edit (45.7 MiB, text/html)
Dependencies.txt Edit (21.3 KiB, text/plain; charset="utf-8")
GsettingsChanges.txt Edit (4.1 KiB, text/plain; charset="utf-8")
ProcCpuinfoMinimal.txt Edit (1.2 KiB, text/plain; charset="utf-8")
ProcEnviron.txt Edit (310 bytes, text/plain; charset="utf-8")
ShellJournal.txt Edit (154.1 KiB, text/plain; charset="utf-8")
monitors.xml.txt Edit (748 bytes, text/plain; charset="utf-8")

Revision history for this message

Daniel van Vugt (vanvugt) wrote on 2020-05-28:

In future please don't attach crash files to bugs. Instead please report them by running:

ubuntu-bug YOURFILE.crash

summary:

when trying to lock my screen I always get: gnome-shell crashed with
- SIGSEGV in _st_theme_node_ensure_background()
+ SIGSEGV in _st_theme_node_ensure_background() from
+ st_theme_node_paint_equal()

Revision history for this message

Daniel van Vugt (vanvugt) wrote on 2020-05-28:

Thank you for taking the time to report this bug and helping to make Ubuntu better. This particular bug has already been reported and is a duplicate of bug 1877774, so it is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Feel free to continue to report any other bugs you may find.