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From: PRINGLE Chris <chris.pringle@miranda.com>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: "Luis Claudio R. Goncalves" <lclaudio@uudg.org>,
	"linux-rt-users@vger.kernel.org" <linux-rt-users@vger.kernel.org>
Subject: RE: Lookaside cache with high volume of objects hangs the kernel on destruction (deadlock)
Date: Mon, 9 Jul 2012 16:40:08 +0000	[thread overview]
Message-ID: <E7D6489E57008E4088E37F78D30C62E60C693E@LB-OPS-EXCH01.miranda.com> (raw)
In-Reply-To: <alpine.LFD.2.02.1207091539190.32033@ionos>

> 
> Chris,
> 
> On Mon, 9 Jul 2012, Thomas Gleixner wrote:
> > On Fri, 6 Jul 2012, PRINGLE Chris wrote:
> > > It worries me a bit because this could potentially go wrong during
> > > runtime if the kernel ever reaps the lookaside cache for memory;
> > > this will then crash the entire system.
> >
> > Found the root cause, working on a fix.
> 
> Does the patch below work for you?
> 
> Thanks,
> 
> 	tglx
>

Supplied patch seems to have fixed the issue. Thanks a lot for looking at this; I'll do some more testing with the patch applied to make sure everything works as expected.

Cheers,
Chris
 

      reply	other threads:[~2012-07-09 16:40 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-06-29  8:08 Lookaside cache with high volume of objects hangs the kernel on destruction (deadlock) PRINGLE Chris
2012-06-29 10:40 ` PRINGLE Chris
2012-07-04 12:55   ` PRINGLE Chris
2012-07-04 13:15     ` Luis Claudio R. Goncalves
2012-07-06  9:34       ` PRINGLE Chris
2012-07-09 10:11         ` Thomas Gleixner
2012-07-09 13:40           ` Thomas Gleixner
2012-07-09 16:40             ` PRINGLE Chris [this message]

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