https://bugs.freedesktop.org/show_bug.cgi?id=70409
--- Comment #9 from Vitaliy Filippov vitalif@yourcmc.ru --- Just built the packages - you're right, X doesn't crash with glamor enabled...
But I get black picture when I'm trying to run DRI_PRIME=1 glxgears... I understand it's not related to this bug, but maybe you have some thoughts about it? What can it be?