linux-kernel - Re: [BUG almost bisected] Splat in dequeue_rt

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Message-ID: <7b14822a-ee98-4e46-9828-1e41b1ce76f3@paulmck-laptop>
Date: Thu, 3 Oct 2024 09:04:30 -0700
From: "Paul E. McKenney" <paulmck@...nel.org>
To: Peter Zijlstra <peterz@...radead.org>
Cc: vschneid@...hat.com, linux-kernel@...r.kernel.org, sfr@...b.auug.org.au,
	linux-next@...r.kernel.org, kernel-team@...a.com
Subject: Re: [BUG almost bisected] Splat in dequeue_rt_stack() and build error

On Thu, Oct 03, 2024 at 04:22:40PM +0200, Peter Zijlstra wrote:
> On Thu, Oct 03, 2024 at 05:45:47AM -0700, Paul E. McKenney wrote:
> 
> > I ran 100*TREE03 for 18 hours each, and got 23 instances of *something*
> > happening (and I need to suppress stalls on the repeat).  One of the
> > earlier bugs happened early, but sadly not this one.
> 
> Damn, I don't have the amount of CPU hours available you mention in your
> later email. I'll just go up the rounds to 20 minutes and see if
> something wants to go bang before I have to shut down the noise
> pollution for the day...

Indeed, this was one reason I was soliciting debug patches.  ;-)

							Thanx, Paul