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[Colin D Bennett <colin@xxxxxxxxxxx>]

The prior two traces were when I locked up Evince with Ctrl minus and
Ctrl plus.

This one is done with trackpad pinch to zoom.  It has a thread exit in it too, maybe that's something.
These are the remaining threads:
(gdb) info thread
  Id   Target Id         Frame 
  6    Thread 0x7fe7c0fa3700 (LWP 4508) "evince" pthread_cond_wait@@GLIBC_2.3.2
    () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
  5    Thread 0x7fe7c17a4700 (LWP 4507) "evince" 0x00007fe7d5311773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>)
    at ../sysdeps/unix/sysv/linux/poll.c:87
  4    Thread 0x7fe7c77fe700 (LWP 4506) "evince" pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:216
  2    Thread 0x7fe7ccfdd700 (LWP 4504) "evince" 0x00007fe7d5311773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>)
    at ../sysdeps/unix/sysv/linux/poll.c:87
* 1    Thread 0x7fe7d8a0d9a0 (LWP 4503) "evince" 0x00007fe7d5311773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>)
    at ../sysdeps/unix/sysv/linux/poll.c:87
(gdb) 


** Attachment added: "gdb backtrace of crash #3 - using pinch gesture"
   https://bugs.launchpad.net/ubuntu/+source/evince/+bug/875359/+attachment/2548864/+files/backtrace3.txt

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https://bugs.launchpad.net/bugs/875359

Title:
  evince locks up when zooming in or out

Status in “evince” package in Ubuntu:
  New

Bug description:
  Evince locks up when I zoom in or out very far.  I had this happen
  with both the mouse gesture “pinch to zoom” and also with keyboard
  shortcut Ctrl-plus / Ctrl-minus.  I reproduced in 5 or 6 times in a
  row and also did so in gdb to get a backtrace.  Occasionally, I start
  Evince and I can't get the lockup when stressing the zoom-in/out, but
  most of the time it happens easily.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: evince 3.2.0-0ubuntu1
  ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
  Uname: Linux 3.0.0-12-generic x86_64
  NonfreeKernelModules: nvidia wl
  ApportVersion: 1.23-0ubuntu3
  Architecture: amd64
  Date: Sat Oct 15 15:19:52 2011
  ExecutablePath: /usr/bin/evince
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64+mac (20111012)
  ProcEnviron:
   SHELL=/bin/bash
   PATH=(custom, user)
   LANG=en_US.UTF-8
  SourcePackage: evince
  UpgradeStatus: No upgrade log present (probably fresh install)

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