On Tue, Dec 13, 2016 at 05:08:15PM +0900, Michel Dänzer wrote: > Did you not run into that while bisecting? > > [...] > > Actually, that one wasn't a complete freeze, DRI2 clients would limp on > as long as one would e.g. move the mouse. :) That may explain why you > didn't notice it when bisecting.
For the record, there seems to be something within XFCE which keeps the X server busy enough to prevent that bug from showing up. After launching a bare terminal without any WM, I was indeed able to reproduce that behavior for f993091. Mystery solved. :)