Comment # 3 on bug 99236 from Vitaly Ostrosablin

Created attachment 128722 [details]
Xorg.0.log from faulty session

This is Xorg log. It doesn't seem that X noticed the fault at all. Moreover,
with `ps -e` over ssh I can see X process and all other GUI programs still
running just fine. So it seems that only GPU driver has failed, other stuff
doesn't seem to be affected.