Added Christopher M. Penalver (penalvch) as requested in #1313847. Sorry for coming back to you so late, I've been trying to find out more but couldn't determine anything.
Note that ubuntu-bug reported this to me when I started it from the command line: ubuntu-bug xorg Gtk-Message: GtkDialog mapped without a transient parent. This is discouraged. ERROR: hook /usr/share/apport/package-hooks/source_xorg.py crashed: Traceback (most recent call last): File "/usr/lib/python3/dist-packages/apport/report.py", line 197, in _run_hook symb['add_info'](report, ui) File "/usr/share/apport/package-hooks/source_xorg.py", line 677, in add_info attach_nvidia_info(report, ui) File "/usr/share/apport/package-hooks/source_xorg.py", line 521, in attach_nvidia_info attach_file(report, logfile) File "/usr/lib/python3/dist-packages/apport/hookutils.py", line 115, in attach_file report[key] = read_file(path, force_unicode=force_unicode) File "/usr/lib/python3/dist-packages/problem_report.py", line 627, in __setitem__ assert k.replace('.', '').replace('-', '').replace('_', '').isalnum() AssertionError (process:7289): GLib-CRITICAL **: g_slice_set_config: assertion 'sys_page_size == 0' failed -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1509326 Title: Various instabilities around hibernate, standby, and display control To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1509326/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp