/usr/bin/gthumb:5:doGetScreenResources:XRRGetScreenResources:update_outputs:_cogl_xlib_renderer_connect:_cogl_winsys_renderer_connect

[errors.ubuntu.com bug bridge]

The Ubuntu Error Tracker has been receiving reports about a problem regarding gthumb. This problem was most recently seen with package version 3:3.4.3-2build1, the problem page at https://errors.ubuntu.com/problem/bc107b58ecb34b57866b457c941b27d3ddb3e35f contains more details, including versions of packages affected, stacktrace or traceback, and individual crash reports.
If you do not have access to the Ubuntu Error Tracker you can request it at http://forms.canonical.com/reports/.