On 2019-04-10 10:55:24 [+0200], Bernhard Landauer wrote: > So no. The patch definitely doesn't solve the issue I'm afraid. Just > tested now and situation is still the same. Do you have another box to cross check that? I have here an i7 with i915 and I don't have the problem. I killed firefox in the middle of the operation and then restoring last session just went fine. So whatever it is, I can't reproduce it. Can you enable lockdep / debugging and check what dmesg says? Sebastian