Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: gnome-shell (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1870454
Title:
gnome-shell crashed with SIGSEGV in meta_monitor_get_outputs
(monitor=0x0) from meta_monitor_config_manager_assign()
Status in gnome-shell package in Ubuntu:
Confirmed
Bug description:
https://errors.ubuntu.com/problem/930950abdb6648752bc30584d0833b348c68f0ba
https://errors.ubuntu.com/problem/50192237f22f17593e486f3349bf4770a1e28002
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I don't really know what caused this, I didn't notice anything out of
the ordinary, so I'm not sure exactly when it occurred. I usually plug
and unplug an external monitor, this seems related.
ProblemType: Crash
DistroRelease: Ubuntu 20.04
Package: gnome-shell 3.36.0-2ubuntu2
ProcVersionSignature: Ubuntu 5.4.0-18.22-generic 5.4.24
Uname: Linux 5.4.0-18-generic x86_64
ApportVersion: 2.20.11-0ubuntu22
Architecture: amd64
CurrentDesktop: GNOME
Date: Thu Apr 2 19:31:02 2020
DisplayManager: gdm3
ExecutablePath: /usr/bin/gnome-shell
InstallationDate: Installed on 2018-12-14 (475 days ago)
InstallationMedia: Ubuntu 18.10 "Cosmic Cuttlefish" - Release amd64
(20181017.3)
ProcCmdline: /usr/bin/gnome-shell
RelatedPackageVersions: mutter-common 3.36.0-2ubuntu1
SegvAnalysis:
Segfault happened at: 0x7fdf6e50156b <meta_monitor_get_outputs+11>: mov
0x8(%rax,%rdi,1),%rax
PC (0x7fdf6e50156b) ok
source "0x8(%rax,%rdi,1)" (0xffffffffffffffb8) not located in a known VMA
region (needed readable region)!
destination "%rax" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: gnome-shell
StacktraceTop:
meta_monitor_get_outputs () at /usr/lib/x86_64-linux-gnu/libmutter-6.so.0
meta_monitor_config_manager_assign () at
/usr/lib/x86_64-linux-gnu/libmutter-6.so.0
() at /usr/lib/x86_64-linux-gnu/libmutter-6.so.0
() at /usr/lib/x86_64-linux-gnu/libmutter-6.so.0
() at /usr/lib/x86_64-linux-gnu/libmutter-6.so.0
Title: gnome-shell crashed with SIGSEGV in meta_monitor_get_outputs()
UpgradeStatus: Upgraded to focal on 2020-03-25 (8 days ago)
UserGroups: adm cdrom dialout dip docker libvirt lpadmin plugdev sambashare
sudo vboxusers
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