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[Apport retracing service <1225127@xxxxxxxxxxxxxxxxxx>]

** Attachment added: "ThreadStacktrace.txt"
   https://bugs.launchpad.net/bugs/1225127/+attachment/3829626/+files/ThreadStacktrace.txt

** Changed in: webbrowser-app (Ubuntu)
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1225127

Title:
  webbrowser-app crashed with SIGSEGV in
  WebKit::CoordinatedBackingStore::updateTile()

Status in Web Browser App:
  New
Status in “webbrowser-app” package in Ubuntu:
  Invalid

Bug description:
  Tested with an update Saucy VM, (VirtualBox, only 3D acceleration
  enabled).

  Test case:
  - Open webbroser-app
  - Goto http://www.gmail.com/
  - Login

  Expected result:
  - Webbrowser displays Gmail and allows to continue working with it.

  Actual result:
  - Webbrowser crashes.

  I couldn't reproduce the bug outside the VM, tested in two different
  desktops.

  ProblemType: Crash
  DistroRelease: Ubuntu 13.10
  Package: webbrowser-app 0.22+13.10.20130903.3-0ubuntu1
  ProcVersionSignature: Ubuntu 3.11.0-7.13-generic 3.11.0
  Uname: Linux 3.11.0-7-generic i686
  ApportVersion: 2.12.1-0ubuntu4
  Architecture: i386
  CrashCounter: 1
  Date: Fri Sep 13 13:26:14 2013
  ExecutablePath: /usr/bin/webbrowser-app
  ExecutableTimestamp: 1378224442
  InstallationDate: Installed on 2013-09-13 (0 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Alpha i386 (20130730)
  MarkForUpload: True
  ProcCmdline: webbrowser-app
  ProcCwd: /home/ubuntu
  SegvAnalysis:
   Segfault happened at: 0xaf1701aa <_ZN6WebKit23CoordinatedBackingStore10updateTileEiRKN7WebCore7IntRectES4_N3WTF10PassRefPtrINS_16ShareableSurfaceEEERKNS1_8IntPointE+56>:	addl   $0x1,0x4c(%eax)
   PC (0xaf1701aa) ok
   source "$0x1" ok
   destination "0x4c(%eax)" (0x0000004c) not located in a known VMA region (needed writable region)!
   Stack memory exhausted (SP below stack segment)
  SegvReason: writing NULL VMA
  Signal: 11
  SourcePackage: webbrowser-app
  StacktraceTop:
   WebKit::CoordinatedBackingStore::updateTile(int, WebCore::IntRect const&, WebCore::IntRect const&, WTF::PassRefPtr<WebKit::ShareableSurface>, WebCore::IntPoint const&) () at UIProcess/PageClient.h:81
   WebKit::LayerTreeRenderer::updateTile(unsigned int, int, WebKit::LayerTreeRenderer::TileUpdate const&) () at UIProcess/PageClient.h:81
   WTF::BoundFunctionImpl<WTF::FunctionWrapper<void (WebKit::LayerTreeRenderer::*)(unsigned int, int, WebKit::LayerTreeRenderer::TileUpdate const&)>, void (WebKit::LayerTreeRenderer*, int, int, WebKit::LayerTreeRenderer::TileUpdate)>::operator()() () at UIProcess/PageClient.h:81
   WebKit::LayerTreeRenderer::syncRemoteContent() () at UIProcess/PageClient.h:81
   WebKit::LayerTreeRenderer::paintToCurrentGLContext(WebCore::TransformationMatrix const&, float, WebCore::FloatRect const&, unsigned int) () at UIProcess/PageClient.h:81
  Title: webbrowser-app crashed with SIGSEGV in WebKit::CoordinatedBackingStore::updateTile()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

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