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[Bug 749675] Re: compiz crashed with SIGSEGV in nux::BaseWindow::IsModal()

 

** Changed in: unity (Ubuntu)
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/749675

Title:
  compiz crashed with SIGSEGV in nux::BaseWindow::IsModal()

Status in Nux:
  Fix Released
Status in Unity:
  Fix Released
Status in “nux” package in Ubuntu:
  Fix Released
Status in “unity” package in Ubuntu:
  Fix Released

Bug description:
  i think it happened when switching my desktop background automatically
  working on a website on one side and having skype with video on the other desktop

  ProblemType: Crash
  DistroRelease: Ubuntu 11.04
  Package: libnux-0.9-0 0.9.38-0ubuntu1
  ProcVersionSignature: Ubuntu 2.6.38-7.39-generic-pae 2.6.38
  Uname: Linux 2.6.38-7-generic-pae i686
  Architecture: i386
  Date: Sun Apr  3 21:30:47 2011
  EcryptfsInUse: Yes
  ExecutablePath: /usr/bin/compiz
  InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
  ProcCmdline: compiz
  ProcEnviron:
   LANGUAGE=en
   LANG=nl_NL.UTF-8
   LC_MESSAGES=en_GB.UTF-8
   SHELL=/bin/bash
  SegvAnalysis:
   Segfault happened at: 0xb4971c67 <_ZNK3nux10BaseWindow7IsModalEv+7>:	movzbl 0x2b6(%eax),%eax
   PC (0xb4971c67) ok
   source "0x2b6(%eax)" (0x000002b6) not located in a known VMA region (needed readable region)!
   destination "%eax" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: nux
  StacktraceTop:
   nux::BaseWindow::IsModal() const () from /usr/lib/libnux-0.9.so.0
   nux::WindowCompositor::RenderTopViews(bool, std::list<nux::ObjectWeakPtr<nux::BaseWindow>, std::allocator<nux::ObjectWeakPtr<nux::BaseWindow> > >&, bool, bool) () from /usr/lib/libnux-0.9.so.0
   nux::WindowCompositor::Draw(bool, bool) () from /usr/lib/libnux-0.9.so.0
   nux::WindowThread::RenderInterfaceFromForeignCmd(nux::Rect*) () from /usr/lib/libnux-0.9.so.0
   UnityScreen::paintDisplay(CompRegion const&) () from /usr/lib/compiz/libunityshell.so
  Title: compiz crashed with SIGSEGV in nux::BaseWindow::IsModal()
  UpgradeStatus: Upgraded to natty on 2011-04-02 (0 days ago)
  UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare vboxusers video

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