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[Bug 1298914] Re: [desktop-session-mir] unity8 crashed with SIGSEGV in nouveau_fence_next()

 

*** This bug is a duplicate of bug 1200097 ***
    https://bugs.launchpad.net/bugs/1200097

** This bug has been marked a duplicate of bug 1200097
   compiz crashed with SIGSEGV in nouveau_pushbuf_kick() - Xmir

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https://bugs.launchpad.net/bugs/1298914

Title:
  [desktop-session-mir] unity8 crashed with SIGSEGV in
  nouveau_fence_next()

Status in Mir:
  New
Status in “unity8” package in Ubuntu:
  Incomplete

Bug description:
  Unity 8 desktop session on Mir crashes right at the greeter screen or
  right after switching to lens.

  I used packages from universe and also tried with unity8-desktop-
  session-team PPA.

  
  I've seen reports of this "SIGSEGV in nouveau_pushbuf_kick()" also with X server and Compiz.

  Xorg crashed with SIGSEGV in nouveau_pushbuf_kick(): Bug #1275614

  compiz crashed with SIGSEGV in nouveau_pushbuf_kick() - Xmir: Bug
  #1200097

  ProblemType: Crash
  DistroRelease: Ubuntu 14.04
  Package: unity8 7.84+14.04.20140324.4-0ubuntu1
  ProcVersionSignature: Ubuntu 3.13.0-19.40-generic 3.13.6
  Uname: Linux 3.13.0-19-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.13.3-0ubuntu1
  Architecture: amd64
  Date: Thu Mar 27 09:35:27 2014
  ExecutablePath: /usr/bin/unity8
  ExecutableTimestamp: 1395678401
  InstallationDate: Installed on 2013-09-30 (178 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Beta amd64 (20130925.1)
  ProcCmdline: unity8
  ProcCwd: /home/ubuntu
  ProcEnviron:
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SegvAnalysis:
   Segfault happened at: 0x7fd71c746297:	mov    0x10(%rdi),%eax
   PC (0x7fd71c746297) ok
   source "0x10(%rdi)" (0x00000010) not located in a known VMA region (needed readable region)!
   destination "%eax" ok
   Stack memory exhausted (SP below stack segment)
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: unity8
  StacktraceTop:
   ?? () from /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
   ?? () from /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
   ?? () from /usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.2
   ?? () from /usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.2
   nouveau_pushbuf_kick () from /usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.2
  Title: unity8 crashed with SIGSEGV in nouveau_pushbuf_kick()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

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