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[Apport retracing service <862998@xxxxxxxxxxxxxxxxxx>]

** Attachment added: "ThreadStacktrace.txt"
   https://bugs.launchpad.net/bugs/862998/+attachment/2484850/+files/ThreadStacktrace.txt

** Attachment removed: "CoreDump.gz"
   https://bugs.launchpad.net/bugs/862998/+attachment/2484809/+files/CoreDump.gz

** Changed in: gnome-desktop3 (Ubuntu)
   Importance: Undecided => Medium

** Tags removed: need-i386-retrace

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https://bugs.launchpad.net/bugs/862998

Title:
  check_gl_texture_size crashed with SIGSEGV in xcb_writev()

Status in “gnome-desktop3” package in Ubuntu:
  New

Bug description:
  occurs when try to reset unity

  ProblemType: Crash
  DistroRelease: Ubuntu 11.10
  Package: libgnome-desktop-3-2 3.2.0-0ubuntu2
  Uname: Linux 3.0.4-030004-generic i686
  ApportVersion: 1.23-0ubuntu2
  Architecture: i386
  Date: Fri Sep 30 13:16:34 2011
  ExecutablePath: /usr/lib/gnome-desktop3/check_gl_texture_size
  InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
  ProcCmdline: /usr/lib/gnome-desktop3/check_gl_texture_size
  ProcEnviron:
   
  SegvAnalysis:
   Segfault happened at: 0xb74f1678 <xcb_writev+40>:	mov    (%esi),%eax
   PC (0xb74f1678) ok
   source "(%esi)" (0x00000000) not located in a known VMA region (needed readable region)!
   destination "%eax" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: gnome-desktop3
  StacktraceTop:
   xcb_writev () from /usr/lib/i386-linux-gnu/libxcb.so.1
   _XSend () from /usr/lib/i386-linux-gnu/libX11.so.6
   _XReply () from /usr/lib/i386-linux-gnu/libX11.so.6
   ?? () from /usr/lib/i386-linux-gnu/mesa/libGL.so.1
   ?? () from /usr/lib/i386-linux-gnu/mesa/libGL.so.1
  Title: check_gl_texture_size crashed with SIGSEGV in xcb_writev()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm admin cdrom dialout libvirtd lpadmin plugdev sambashare
  XsessionErrors:
   (nautilus:1981): Gtk-CRITICAL **: gtk_action_set_visible: assertion `GTK_IS_ACTION (action)' failed
   (nautilus:1981): Gtk-CRITICAL **: gtk_action_set_visible: assertion `GTK_IS_ACTION (action)' failed
   (gwibber-service:2166): libindicate-WARNING **: Menu being changed when the indicator is visible.  Listeners will NOT be notified of this change.

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