*** This bug is a duplicate of bug 1877774 ***
https://bugs.launchpad.net/bugs/1877774
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 #1877774, 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.
** Attachment removed: "CoreDump.gz"
https://bugs.launchpad.net/bugs/1881725/+attachment/5379712/+files/CoreDump.gz
** Attachment removed: "Disassembly.txt"
https://bugs.launchpad.net/bugs/1881725/+attachment/5379714/+files/Disassembly.txt
** Attachment removed: "ProcMaps.txt"
https://bugs.launchpad.net/bugs/1881725/+attachment/5379718/+files/ProcMaps.txt
** Attachment removed: "ProcStatus.txt"
https://bugs.launchpad.net/bugs/1881725/+attachment/5379719/+files/ProcStatus.txt
** Attachment removed: "Registers.txt"
https://bugs.launchpad.net/bugs/1881725/+attachment/5379720/+files/Registers.txt
** Attachment removed: "Stacktrace.txt"
https://bugs.launchpad.net/bugs/1881725/+attachment/5379722/+files/Stacktrace.txt
** Attachment removed: "ThreadStacktrace.txt"
https://bugs.launchpad.net/bugs/1881725/+attachment/5379723/+files/ThreadStacktrace.txt
** This bug has been marked 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() [usually with the dash-to-panel extension]
** Information type changed from Private to Public
** Tags removed: need-amd64-retrace
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https://bugs.launchpad.net/bugs/1881725
Title:
gnome-shell crashed with SIGSEGV in
_st_theme_node_ensure_background(), can't lock my screen.
Status in gnome-shell package in Ubuntu:
New
Bug description:
Versions:
Ubuntu 20.04 LTS focal
GNOME Shell 3.36.2
gnome-screensaver 3.6.1-11ubuntu4
Using gdm3 as a display manager GDM 3.34.1
Expected:
When locking the computer it should lock it.
What happens instead:
Can't lock my screen at all with:
1) Super + L keys
2) Manually pressing 'Lock' on Menu
3)'gnome-screensaver-command -l' in the terminal
I have to Log out/ shutdown my computer at the end of the day.
In case I can't lock my screen it's a security issue.
syslog output:
Jun 1 16:47:02 slava-ubuntu gsd-media-keys[2207]: Couldn't lock screen:
GDBus.Error:org.freedesktop.DBus.Error.NoReply: Message recipient disconnected
from message bus without replying
ProblemType: Crash
DistroRelease: Ubuntu 20.04
Package: gnome-shell 3.36.2-1ubuntu1~20.04.1
ProcVersionSignature: Ubuntu 5.4.0-33.37-generic 5.4.34
Uname: Linux 5.4.0-33-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.2
Architecture: amd64
CasperMD5CheckResult: skip
CrashCounter: 1
CurrentDesktop: ubuntu:GNOME
Date: Tue Jun 2 11:10:27 2020
DisplayManager: gdm3
ExecutablePath: /usr/bin/gnome-shell
ExecutableTimestamp: 1588817557
InstallationDate: Installed on 2019-04-14 (415 days ago)
InstallationMedia: Ubuntu 16.04.5 LTS "Xenial Xerus" - Release amd64
(20180731)
ProcCmdline: /usr/bin/gnome-shell
ProcCwd: /home/slavar
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, user)
SHELL=/usr/bin/zsh
XDG_RUNTIME_DIR=<set>
RelatedPackageVersions: mutter-common 3.36.2-1ubuntu1~20.04.1
SegvAnalysis:
Segfault happened at: 0x7fde53381252 <_st_theme_node_ensure_background+226>:
mov (%rax),%r12
PC (0x7fde53381252) ok
source "(%rax)" (0x2c005d00200020) not located in a known VMA region (needed
readable region)!
destination "%r12" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: gnome-shell
StacktraceTop:
_st_theme_node_ensure_background () from /usr/lib/gnome-shell/libst-1.0.so
st_theme_node_paint_equal () from /usr/lib/gnome-shell/libst-1.0.so
?? () from /usr/lib/gnome-shell/libst-1.0.so
st_widget_style_changed () from /usr/lib/gnome-shell/libst-1.0.so
?? () from /usr/lib/gnome-shell/libst-1.0.so
Title: gnome-shell crashed with SIGSEGV in _st_theme_node_ensure_background()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: docker sudo wireshark
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