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[Marco Trevisan (Treviño) <mail@xxxxxxxxx>]

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

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https://bugs.launchpad.net/bugs/740757

Title:
  compiz crashed with SIGSEGV in __libc_free()

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

Bug description:
  After today's upgrade and a reboot, compiz immediately crashed twice
  once I started opening windows, i. e. a few seconds after logging in.

  ProblemType: Crash
  DistroRelease: Ubuntu 11.04
  Package: libnux-0.9-0 0.9.34-0ubuntu1
  ProcVersionSignature: Ubuntu 2.6.38-7.38-generic 2.6.38
  Uname: Linux 2.6.38-7-generic x86_64
  Architecture: amd64
  Date: Wed Mar 23 08:00:13 2011
  EcryptfsInUse: Yes
  ExecutablePath: /usr/bin/compiz
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20110302)
  ProcCmdline: compiz
  ProcEnviron:
   LANGUAGE=de:en
   PATH=(custom, user)
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  SegvAnalysis:
   Segfault happened at: 0x7f1549c4e8c3 <__libc_free+83>:	lock cmpxchg %esi,(%rbx)
   PC (0x7f1549c4e8c3) ok
   source "%esi" ok
   destination "(%rbx)" (0x7f1568000012) not located in a known VMA region (needed writable region)!
  SegvReason: writing unknown VMA
  Signal: 11
  SourcePackage: nux
  StacktraceTop:
   __libc_free (mem=0x7f1528209470) at malloc.c:3736
   ?? () from /lib/x86_64-linux-gnu/libdrm_intel.so.1
   ?? () from /lib/x86_64-linux-gnu/libdrm_intel.so.1
   intel_region_release () from /usr/lib/dri/i965_dri.so
   intel_miptree_release () from /usr/lib/dri/i965_dri.so
  Title: compiz crashed with SIGSEGV in __libc_free()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm admin dialout lpadmin sambashare

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