*** This bug is a duplicate of bug 1754445 ***
https://bugs.launchpad.net/bugs/1754445
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 #1754445, 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/1763850/+attachment/5114605/+files/CoreDump.gz
** Attachment removed: "Disassembly.txt"
https://bugs.launchpad.net/bugs/1763850/+attachment/5114607/+files/Disassembly.txt
** Attachment removed: "ProcMaps.txt"
https://bugs.launchpad.net/bugs/1763850/+attachment/5114611/+files/ProcMaps.txt
** Attachment removed: "ProcStatus.txt"
https://bugs.launchpad.net/bugs/1763850/+attachment/5114612/+files/ProcStatus.txt
** Attachment removed: "Registers.txt"
https://bugs.launchpad.net/bugs/1763850/+attachment/5114613/+files/Registers.txt
** Attachment removed: "Stacktrace.txt"
https://bugs.launchpad.net/bugs/1763850/+attachment/5114614/+files/Stacktrace.txt
** Attachment removed: "ThreadStacktrace.txt"
https://bugs.launchpad.net/bugs/1763850/+attachment/5114615/+files/ThreadStacktrace.txt
** This bug has been marked a duplicate of bug 1754445
gnome-shell crashed with SIGSEGV in cogl_object_unref() from
iter_remove_or_steal() from g_hash_table_iter_remove() from
st_texture_cache_evict_icons() from on_icon_theme_changed()
** Information type changed from Private to Public
** Tags removed: need-amd64-retrace
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https://bugs.launchpad.net/bugs/1763850
Title:
gnome-shell crashed with SIGSEGV in cogl_object_unref()
Status in gnome-shell package in Ubuntu:
New
Bug description:
No idea where this bug comes from. I was just browsing in Firefox for
another bug, about the login screen graphics not being rendered
properly, i.e. characters being skipped and other graphical items
looking funky.
Freshly installed 18.04 beta2 from 2018-04-06, today.
The system was fully updated before I started searching for the other
bug when the crash report appeared on the screen.
I'm on a Acer Aspire V5 laptop with an i7-3517U CPU, 8 gb ram, ssd and nvidia
optimus 620m.
Using either the nouveau (not the closed nvidia) driver or intel graphics,
depends on where I look in the GUI, not sure what commands to run to positively
determine what's being used.
If you need more info don't hesitate to ask, and if you don't mind,
please point me in a direction as to how I can get that info for you
(maybe a command to run, or some search engine terms).
ProblemType: Crash
DistroRelease: Ubuntu 18.04
Package: gnome-shell 3.28.0-0ubuntu5
ProcVersionSignature: Ubuntu 4.15.0-13.14-generic 4.15.10
Uname: Linux 4.15.0-13-generic x86_64
ApportVersion: 2.20.9-0ubuntu4
Architecture: amd64
CurrentDesktop: GNOME-Greeter:GNOME
Date: Fri Apr 13 22:11:33 2018
DisplayManager: gdm3
ExecutablePath: /usr/bin/gnome-shell
GsettingsChanges:
InstallationDate: Installed on 2018-04-13 (0 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Beta amd64 (20180404)
ProcCmdline: /usr/bin/gnome-shell
SegvAnalysis:
Segfault happened at: 0x7f9d56c2de00 <cogl_object_unref>: mov
(%rdi),%rax
PC (0x7f9d56c2de00) ok
source "(%rdi)" (0x00000000) not located in a known VMA region (needed
readable region)!
destination "%rax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: gnome-shell
StacktraceTop:
cogl_object_unref () from
/usr/lib/x86_64-linux-gnu/mutter/libmutter-cogl-2.so
?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
?? () from /usr/lib/gnome-shell/libst-1.0.so
g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
Title: gnome-shell crashed with SIGSEGV in cogl_object_unref()
UpgradeStatus: No upgrade log present (probably fresh install)
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