gnome-shell crashed with SIGSEGV in g_type_check_instance_is_a() from atk_object_notify_state_change()

[Cristian Aravena Romero]

Crash.

ProblemType: Crash
DistroRelease: Ubuntu 14.10
Package: gnome-shell 3.12.2-1ubuntu4
ProcVersionSignature: Ubuntu 3.16.0-6.11-generic 3.16.0-rc7
Uname: Linux 3.16.0-6-generic x86_64
ApportVersion: 2.14.5-0ubuntu1
Architecture: amd64
CurrentDesktop: GNOME
Date: Wed Jul 30 10:45:59 2014
DisplayManager: gdm
ExecutablePath: /usr/bin/gnome-shell
GsettingsChanges:
 b'org.gnome.shell.location' b'max-accuracy-level' b"'off'"
 b'org.gnome.desktop.interface' b'gtk-im-module' b"'gtk-im-context-simple'"
 b'org.gnome.desktop.interface' b'scaling-factor' b'uint32 1'
 b'org.gnome.desktop.interface' b'clock-show-date' b'true'
InstallationDate: Installed on 2014-04-27 (94 days ago)
InstallationMedia: Ubuntu-GNOME 14.04 LTS "Trusty Tahr" - Release amd64 (20140416.2)
ProcCmdline: /usr/bin/gnome-shell
SegvAnalysis:
 Segfault happened at: 0x7f3cce5b7564 <g_type_check_instance_is_a+68>: testb $0x4,0x16(%rdx)
 PC (0x7f3cce5b7564) ok
 source "$0x4" ok
 destination "0x16(%rdx)" (0x6c657261746e6156) not located in a known VMA region (needed writable region)!
SegvReason: writing unknown VMA
Signal: 11
SourcePackage: gnome-shell
StacktraceTop:
 g_type_check_instance_is_a () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 atk_object_notify_state_change () from /usr/lib/x86_64-linux-gnu/libatk-1.0.so.0
 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
 g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
Title: gnome-shell crashed with SIGSEGV in g_type_check_instance_is_a()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip kvm libvirtd lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 g_type_check_instance_is_a (type_instance=0x6fefe90, iface_type=36741536) at /build/buildd/glib2.0-2.41.1/./gobject/gtype.c:3967
 atk_object_notify_state_change () from /tmp/apport_sandbox_yqfFVr/usr/lib/x86_64-linux-gnu/libatk-1.0.so.0
 g_closure_invoke (closure=0x39a6470, return_value=0x0, n_param_values=2, param_values=0x7fff825e6860, invocation_hint=0x7fff825e6800) at /build/buildd/glib2.0-2.41.1/./gobject/gclosure.c:768
 signal_emit_unlocked_R (node=node@entry=0x22f3790, detail=detail@entry=1623, instance=instance@entry=0x39a0c90, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7fff825e6860) at /build/buildd/glib2.0-2.41.1/./gobject/gsignal.c:3555
 g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7fff825e69f8) at /build/buildd/glib2.0-2.41.1/./gobject/gsignal.c:3311

[Daniel van Vugt (vanvugt)]

Thank you for reporting this bug to Ubuntu.
Ubuntu 14.10 (utopic) reached end-of-life on July 23, 2015.

See this document for currently supported Ubuntu releases:
https://wiki.ubuntu.com/Releases

We appreciate that this bug may be old and you might not be interested in discussing it any more. But if you are then please upgrade to the latest Ubuntu version and re-test.