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[Bug 1368885] Re: shotwell assert failure: shotwell: ../../src/xcb_io.c:274: poll_for_event: Assertion `!xcb_xlib_threads_sequence_lost' failed.

 

Hello Sebastien:

The circumstances under which it happens are very similar to the ones
described in the first message of this bug report. I've made a fresh
install of Xubuntu 14.04 in VirtualBox, installed Shotwell, downloaded a
random image from the Internet, tried to rotate it and then the
application has got frozen and crashed finally. For my tests I've used
the image located here: http://www.freegreatpicture.com/files/26/15992
-grass-material.jpg .

Really it happens with every of the images that I've in my computer, no
matter if they're of type JPEG or PNG. I've used that one only so that
you can test it too. Right now I've installed Shotwell in my production
Kubuntu 14.04 (a physical machine) and the error happens too.

Thank you!

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https://bugs.launchpad.net/bugs/1368885

Title:
  shotwell assert failure: shotwell: ../../src/xcb_io.c:274:
  poll_for_event: Assertion `!xcb_xlib_threads_sequence_lost' failed.

Status in “shotwell” package in Ubuntu:
  Fix Released

Bug description:
  Clicking the rotate image button a few times will cause the standalone shotwell viewer to crash.
  Happens on a whole variety of images

  ProblemType: Crash
  DistroRelease: Ubuntu 14.10
  Package: shotwell 0.18.1-0ubuntu2
  ProcVersionSignature: Ubuntu 3.16.0-14.20-generic 3.16.2
  Uname: Linux 3.16.0-14-generic x86_64
  ApportVersion: 2.14.7-0ubuntu2
  Architecture: amd64
  AssertionMessage: shotwell: ../../src/xcb_io.c:274: poll_for_event: Assertion `!xcb_xlib_threads_sequence_lost' failed.
  CrashCounter: 1
  CurrentDesktop: Unity
  Date: Fri Sep 12 18:33:35 2014
  ExecutablePath: /usr/bin/shotwell
  InstallationDate: Installed on 2014-05-07 (127 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  ProcCmdline: shotwell /home/username/shared/photos/Hannah\ baby\ photos\ 2/Scanned\ Docs-2.jpg
  ProcEnviron:
   LANGUAGE=en_GB:en
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  Signal: 6
  SourcePackage: shotwell
  StacktraceTop:
   __assert_fail_base (fmt=0x7ffc9e306748 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=assertion@entry=0x7ffc9c61fb20 "!xcb_xlib_threads_sequence_lost", file=file@entry=0x7ffc9c61f96b "../../src/xcb_io.c", line=line@entry=274, function=function@entry=0x7ffc9c61fe26 "poll_for_event") at assert.c:92
   __GI___assert_fail (assertion=0x7ffc9c61fb20 "!xcb_xlib_threads_sequence_lost", file=0x7ffc9c61f96b "../../src/xcb_io.c", line=274, function=0x7ffc9c61fe26 "poll_for_event") at assert.c:101
   ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
   ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
   _XEventsQueued () from /usr/lib/x86_64-linux-gnu/libX11.so.6
  Title: shotwell assert failure: shotwell: ../../src/xcb_io.c:274: poll_for_event: Assertion `!xcb_xlib_threads_sequence_lost' failed.
  UpgradeStatus: Upgraded to utopic on 2014-08-25 (18 days ago)
  UserGroups: adm cdrom dialout dip lpadmin plugdev sambashare sudo

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