gnome-shell crashed with SIGSEGV in cogl_object_unref() whire running simple python / webkit example

Bug #1282498 reported by Gorgonilla on 2014-02-20
This bug affects 2 people
Affects Status Importance Assigned to Milestone
Ubuntu GNOME

Bug Description

Run the simple "" exaple I've attached.
As soon as the google page appears type "webgl".
When the search results appear, select the firts one taking to "chorme experiments" web siste.
The chrome experiments web site loads, after that gnome shell crashes.
I've tried twice (after restarting gdm) and it always happen

ProblemType: Crash
DistroRelease: Ubuntu 13.10
Package: gnome-shell [origin: LP-PPA-gnome3-team-gnome3]
Uname: Linux 3.13.3-031303-lowlatency x86_64
ApportVersion: 2.12.5-0ubuntu2.2
Architecture: amd64
CrashCounter: 1
Date: Thu Feb 20 10:59:12 2014
DisplayManager: gdm
ExecutablePath: /usr/bin/gnome-shell
 b'org.gnome.desktop.interface' b'clock-show-date' b'true'
 b'org.gnome.desktop.interface' b'gtk-im-module' b"'gtk-im-context-simple'"
 b'org.gnome.desktop.interface' b'icon-theme' b"'Moka'"
InstallationDate: Installed on 2013-11-08 (103 days ago)
InstallationMedia: Ubuntu-GNOME 13.10 "Saucy Salamander" - Release amd64 (20131017)
MarkForUpload: True
ProcCmdline: /usr/bin/gnome-shell
 PATH=(custom, no user)
 Segfault happened at: 0x7f70d0761370 <cogl_object_unref>: mov (%rdi),%rax
 PC (0x7f70d0761370) 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
 cogl_object_unref () from /usr/lib/x86_64-linux-gnu/
 ?? () from /usr/lib/
 meta_window_actor_pre_paint () from /usr/lib/
 ?? () from /usr/lib/
 ?? () from /usr/lib/x86_64-linux-gnu/
Title: gnome-shell crashed with SIGSEGV in cogl_object_unref()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

Gorgonilla (lviggiani) wrote :
Ubuntu GNOME (ug-bot) wrote :

 ?? () from /home/darkxst/gnome3-amd64/usr/lib/x86_64-linux-gnu/
 ?? ()
 ?? ()
 ?? ()
 ?? ()

tags: added: apport-failed-retrace
tags: removed: need-amd64-retrace
Gorgonilla (lviggiani) wrote :

Putting webkit.WebView() into a gtk.ScrolledWindow() instead of directly in gtk.Window(), doesn't cause any issue to Gnome Shell.

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