https://bugs.freedesktop.org/show_bug.cgi?id=98146
--- Comment #8 from Darek Deoniziak darekdeoniziak@gmail.com --- Woops, of course in xorg.conf.d the radeon conf has Option like this: Option "DRI" "3", I've tried also "DRI3" "1", that's why I wrote it by mistake in last message. Is there any difference by using "DRI3" "1" instead? Both options stopped freezing for me, but again nothing changed in logs.