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From: Mike Galbraith <efault@gmx.de>
To: Thomas Gleixner <tglx@linutronix.de>,
	Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: LKML <linux-kernel@vger.kernel.org>,
	linux-rt-users@vger.kernel.org,
	Steven Rostedt <rostedt@goodmis.org>,
	Peter Zijlstra <peterz@infradead.org>
Subject: Re: v5.14-rc3-rt1 losing wakeups?
Date: Sat, 31 Jul 2021 03:03:05 +0200	[thread overview]
Message-ID: <a2cd339c0e440cb5beed788d66a19a636b2e39a1.camel@gmx.de> (raw)
In-Reply-To: <87pmuzsf1p.ffs@tglx>

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


  reply	other threads:[~2021-07-31  1:04 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-30 11:07 [ANNOUNCE] v5.14-rc3-rt1 Sebastian Andrzej Siewior
2021-07-30 15:21 ` v5.14-rc3-rt1 losing wakeups? Mike Galbraith
2021-07-30 20:49   ` Thomas Gleixner
2021-07-31  1:03     ` Mike Galbraith [this message]
2021-07-31  3:33       ` Mike Galbraith
2021-07-31  8:50         ` Mike Galbraith
2021-08-01  3:36     ` Mike Galbraith
2021-08-01 15:14       ` Mike Galbraith
2021-08-02  7:02         ` Sebastian Andrzej Siewior
2021-08-02  7:18           ` Mike Galbraith
2021-08-02  8:25             ` Sebastian Andrzej Siewior
2021-08-02  8:40               ` Mike Galbraith
2021-08-02  9:12         ` Thomas Gleixner

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