https://bugs.freedesktop.org/show_bug.cgi?id=80419 Kamil Páral changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |kamil.paral@gmail.com --- Comment #42 from Kamil Páral --- Created attachment 113261 --> https://bugs.freedesktop.org/attachment.cgi?id=113261&action=edit dmesg during lockup My system completely freezes while playing XCOM and I have to use SysRQ to reboot. Waiting does not help. Radeon R9 270, Fedora 21, kernel-3.18.6-200.fc21.x86_64, mesa-dri-drivers-10.4.3-1.20150124.fc21.x86_64, xorg-x11-drv-ati-7.5.0-1.fc21.x86_64, llvm-libs-3.5.0-6.fc21.x86_64. -- You are receiving this mail because: You are the assignee for the bug.