(In reply to agapito from comment #203)
> (In reply to Jacob from comment #199)
> > (In reply to agapito from comment #198)
> > > 2 days without crashes... Now 2 crashes in 5 minutes. I will start using my
> > > intel graphic card again.
> > 
> > Do you know what exactly you're doing when the crashes occur?
> 
> Yeah, on both occasions, I was trying to write a message in a forum.
> (Chromium)

If it's happens mostly with chromium, it may be bug 81644.  When you say crash
what do you mean?  Segfault?  System hang?  GPU hang?  GPU page fault? 
Something else?