From: Mike Galbraith <efault@gmx.de>
To: paulmck@linux.vnet.ibm.com
Cc: linux-rt-users <linux-rt-users@vger.kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Peter Zijlstra <peterz@infradead.org>
Subject: Re: rcu stalls running 3.0.1-rt8
Date: Tue, 09 Aug 2011 03:14:28 +0200 [thread overview]
Message-ID: <1312852468.5977.10.camel@marge.simson.net> (raw)
In-Reply-To: <20110808231039.GP4435@linux.vnet.ibm.com>
On Mon, 2011-08-08 at 16:10 -0700, Paul E. McKenney wrote:
> On Mon, Aug 08, 2011 at 03:55:18PM +0200, Mike Galbraith wrote:
> > Greetings,
> >
> > I've had no time to tinker with this but though I should get it posted,
> > so build latest/greatest to make sure it's still there. It is.
> >
> > Box can be idling along, and pow. If RCU_BOOST is enabled, I get a hung
> > task panic after the stall. If RCU_BOOST is off, and debugging options
> > are cut to the bone, box will stay up despite periodic gripes.
>
> Yow!
>
> Is this new in -rt8? I wasn't seeing it in earlier versions. Then
> again, I was running 32 bits.
No, I saw it in earlier releases too. The only thing I've done since
first seeing it is a quick build to see if it was still alive, or had
died of boredom while waiting for me to come out and play ;-)
-Mike
next prev parent reply other threads:[~2011-08-09 1:15 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-05 21:44 [ANNOUNCE] 3.0.1-rt8 Peter Zijlstra
2011-08-08 13:55 ` rcu stalls running 3.0.1-rt8 Mike Galbraith
2011-08-08 23:10 ` Paul E. McKenney
2011-08-09 1:14 ` Mike Galbraith [this message]
2011-08-09 15:13 ` [ANNOUNCE] 3.0.1-rt8 - Regression to 3.0-rt7 Tim Sander
2011-08-11 9:43 ` Peter Zijlstra
2011-08-11 11:30 ` Tim Sander
2011-08-11 12:02 ` Peter Zijlstra
2011-08-11 12:52 ` Tim Sander
2011-08-11 15:28 ` Tim Sander
2011-08-11 12:41 ` Peter Zijlstra
2011-08-11 16:04 ` Tim Sander
2011-08-11 16:14 ` Peter Zijlstra
2011-08-11 16:22 ` Tim Sander
2011-08-11 16:41 ` Tim Sander
2011-08-11 16:39 ` Peter Zijlstra
2011-08-11 17:08 ` Tim Sander
2011-08-11 18:05 ` Peter Zijlstra
2011-08-12 8:59 ` Tim Sander
2011-08-11 10:45 ` Peter Zijlstra
2011-08-11 15:36 ` Tim Sander
2011-08-09 18:31 ` [ANNOUNCE] 3.0.1-rt8 Fernando Lopez-Lezcano
2011-08-09 18:47 ` Peter Zijlstra
2011-08-10 1:08 ` Paul E. McKenney
2011-08-10 1:07 ` Paul E. McKenney
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