[Bug 1808710] Re: !xcb_xlib_threads_sequence_lost error with GTK2 applications

2019-04-08 Thread Alex Fedorov
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/ub

[Bug 1808710] Re: !xcb_xlib_threads_sequence_lost error with GTK2 applications

2019-04-24 Thread Alex Fedorov
Unfortunately, setting LIBGL_DRI3_DISABLE to true did not help to bypass the bug. On the other hand, the bug does not manifest itself if there is only one active CPU core. The number of active CPU cores can be controlled by 'maxcpus' kernel parameter: add 'maxcpus=1' to GRUB_CMDLINE_LINUX_DEFAULT