*** This bug is a duplicate of bug 1782984 ***
https://bugs.launchpad.net/bugs/1782984
** This bug has been marked a duplicate of bug 1782984
PCManFM freezes with Assertion `!xcb_xlib_threads_sequence_lost' failed when
clicking on a file or folder in 18.04
** Bug watch removed: Claws Mail bugzilla #4203
http://www.thewildbeast.co.uk/claws-mail/bugzilla/show_bug.cgi?id=4203
** Bug watch removed: redmine.audacious-media-player.org/issues #798
https://redmine.audacious-media-player.org/issues/798
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https://bugs.launchpad.net/bugs/1808710
Title:
!xcb_xlib_threads_sequence_lost error with GTK2 applications
Status in gtk+2.0 package in Ubuntu:
Confirmed
Status in libx11 package in Ubuntu:
New
Bug description:
GTK2 applications randomly crash or freeze with error like:
[xcb] Unknown sequence number while processing queue
[xcb] Most likely this is a multi-threaded client and XInitThreads has not
been called
[xcb] Aborting, sorry about that.
<application>: ../../src/xcb_io.c:263: poll_for_event: Assertion
`!xcb_xlib_threads_sequence_lost' failed.
where <application> is the name of the executable, e.g. audacious,
soffice.bin, etc.
RELATED BUGS
LibreOffice:
https://bugs.launchpad.net/ubuntu/+source/libreoffice/+bug/1801161
PCManFM: https://bugs.launchpad.net/ubuntu/+source/pcmanfm/+bug/1782984
Audacious: https://redmine.audacious-media-player.org/issues/798
FreeCAD: https://bugs.launchpad.net/ubuntu/+source/freecad/+bug/1754084
ClawsMail:
https://www.thewildbeast.co.uk/claws-mail/bugzilla/show_bug.cgi?id=4203
OTHER APPLICATIONS
SpaceFM, Pidgin, GPicView and GIMP appear to have similar problems.
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