[Expired for Mir because there has been no activity for 60 days.]

** Changed in: mir
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1232788

Title:
  Software demo clients either hang or crash
  [MirSurface::get_cpu_region()] with unity-system-compositor. Not so
  with mir_demo_server_*

Status in Mir:
  Expired
Status in Unity System Compositor:
  Expired
Status in mir package in Ubuntu:
  Expired

Bug description:
  i was testing mir using the mir_demo_client_flicker demo mir client

  ProblemType: Crash
  DistroRelease: Ubuntu 13.10
  Package: mir-demos 0.0.12+13.10.20130926.1-0ubuntu1
  ProcVersionSignature: Ubuntu 3.11.0-8.15-generic 3.11.1
  Uname: Linux 3.11.0-8-generic x86_64
  ApportVersion: 2.12.5-0ubuntu1
  Architecture: amd64
  CasperVersion: 1.336ubuntu1
  Date: Sun Sep 29 15:07:57 2013
  ExecutablePath: /usr/bin/mir_demo_client_flicker
  LiveMediaBuild: Ubuntu 13.10 "Saucy Salamander" - Beta amd64 (20130925.1)
  MarkForUpload: True
  ProcCmdline: mir_demo_client_flicker
  SegvAnalysis:
   Segfault happened at: 0x7fe04195ef74 <__GI___pthread_mutex_lock+4>:  mov    
0x10(%rdi),%esi
   PC (0x7fe04195ef74) ok
   source "0x10(%rdi)" (0x00000018) not located in a known VMA region (needed 
readable region)!
   destination "%esi" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: mir
  StacktraceTop:
   __GI___pthread_mutex_lock (mutex=0x7fe0421389f0 <_IO_stdfile_1_lock>) at 
pthread_mutex_lock.c:50
   MirSurface::get_cpu_region(MirGraphicsRegion&) () from 
/usr/lib/x86_64-linux-gnu/libmirclient.so.3
   main ()
  Title: mir_demo_client_flicker crashed with SIGSEGV in 
__GI___pthread_mutex_lock()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

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