gnome-shell crashed with SIGSEGV in meta_window_get_monitor()

Bug #1750570 reported by Thomas Mortagne on 2018-02-20
18
This bug affects 3 people
Affects Status Importance Assigned to Milestone
gnome-shell (Ubuntu)
Undecided
Unassigned

Bug Description

I get this when switching off the screen and then back on, when image come back my session has crashed.

I try to disable all extensions from gnome-tweak-tool (top bar button in Extensions section) but it did not help.

ProblemType: Crash
DistroRelease: Ubuntu 17.10
Package: gnome-shell 3.26.2-0ubuntu0.1
ProcVersionSignature: Ubuntu 4.13.0-32.35-generic 4.13.13
Uname: Linux 4.13.0-32-generic x86_64
ApportVersion: 2.20.7-0ubuntu3.7
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Tue Feb 20 13:49:04 2018
DisplayManager: gdm3
ExecutablePath: /usr/bin/gnome-shell
ExecutableTimestamp: 1510175942
GsettingsChanges:
 b'org.gnome.shell' b'disable-user-extensions' b'true'
 b'org.gnome.shell' b'favorite-apps' b"['gnome-system-monitor.desktop', 'firefox.desktop', 'google-chrome.desktop', 'filezilla.desktop', 'org.gnome.Nautilus.desktop', 'org.gnome.Terminal.desktop', 'steam.desktop', 'rhythmbox.desktop']"
 b'org.gnome.desktop.interface' b'gtk-im-module' b"'gtk-im-context-simple'"
 b'org.gnome.desktop.interface' b'text-scaling-factor' b'1.25'
InstallationDate: Installed on 2016-10-22 (485 days ago)
InstallationMedia: Ubuntu 16.10 "Yakkety Yak" - Release amd64 (20161012.2)
ProcCmdline: /usr/bin/gnome-shell
ProcCwd: /home/media
SegvAnalysis:
 Segfault happened at: 0x7fb7d7d282d4 <meta_window_get_monitor+4>: mov 0x18(%rax),%eax
 PC (0x7fb7d7d282d4) ok
 source "0x18(%rax)" (0x00000018) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: gnome-shell
StacktraceTop:
 meta_window_get_monitor () from /usr/lib/x86_64-linux-gnu/libmutter-1.so.0
 ffi_call_unix64 () from /usr/lib/x86_64-linux-gnu/libffi.so.6
 ffi_call () from /usr/lib/x86_64-linux-gnu/libffi.so.6
 ?? () from /usr/lib/libgjs.so.0
 ?? () from /usr/lib/libgjs.so.0
Title: gnome-shell crashed with SIGSEGV in meta_window_get_monitor()
UpgradeStatus: Upgraded to artful on 2018-02-18 (1 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #1724439, so 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. Please continue to report any other bugs you may find.

information type: Private → Public
tags: removed: need-amd64-retrace
Launchpad Janitor (janitor) wrote :

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in gnome-shell (Ubuntu):
status: New → Confirmed
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