Re: v5.14-rc3-rt1 losing wakeups?

From: Mike Galbraith
Date: Sat Jul 31 2021 - 23:37:50 EST


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.

Seems not. When booting KVM box with nomodeset, there's exactly one
early boot ww_mutex lock/unlock, ancient history at the failure point.

-Mike