On Fri, 2021-07-30 at 22:49 +0200, Thomas Gleixner wrote: > > > > First symptom is KDE/Plasma's task manager going comatose. Notice soon > > KDE/Plasma points at the new fangled rtmutex based ww_mutex from > Peter. Yeah, that seems to be most of the delta from 50->62 [now 63] commit delta, and the 50 turning out to be what I was already running. I'm staring, but as yet, nothing has poked me in the eye. > I tried to test the heck out of it... And futextests, rt-tests etc work fine, just stay away from GUI. > Which graphics driver is in use on that machine? The all too often problem child nouveau, but I don't _think_ it's playing a roll in this, as nomodeset hangs as well. I'll stuff it into lappy (i915) to double check that. -Mike
