Apparently, same bug for Audacious media player: https://redmine .audacious-media-player.org/issues/798 .
Also, Freecad users have encountered the similar error and managed to bypass is by setting LIBGL_DRI3_DISABLE environment variable to true before running Freecad: https://bugs.launchpad.net/ubuntu/+source/freecad/+bug/1754084/comments/13 ** Bug watch added: redmine.audacious-media-player.org/issues #798 https://redmine.audacious-media-player.org/issues/798 -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to gtk+2.0 in Ubuntu. 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 Bug description: GTK2 applications randomly crash or freeze with same error. See attached files. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gtk+2.0/+bug/1808710/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp