Date: Thu, 17 May 2007 12:19:26 -0700 (PDT)
From: Christoph Lameter <clameter@sgi.com>
To: Frank Sorenson <frank@tuxrocks.com>
cc: Thomas Gleixner <tglx@linutronix.de>, LKML <linux-kernel@vger.kernel.org>,
       Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>,
       john stultz <johnstul@us.ibm.com>, Ingo Molnar <mingo@elte.hu>,
       Chris Wright <chrisw@sous-sol.org>,
       Arjan van de Ven <arjan@infradead.org>,
       Steven Rostedt <rostedt@goodmis.org>, Andi Kleen <ak@suse.de>,
       Andrew Morton <akpm@linux-foundation.org>,
       Alistair John Strachan <s0348365@sms.ed.ac.uk>
Subject: Re: [PATCH] x86-64 highres/dyntick support 2.6.22-rc1-v5
In-Reply-To: <464CA90B.20100@tuxrocks.com>
Message-ID: <Pine.LNX.4.64.0705171219140.3043@schroedinger.engr.sgi.com>
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On Thu, 17 May 2007, Frank Sorenson wrote:

> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> Frank Sorenson wrote:
> 
> > Hrm.  Looks like it gets past the hpet_is_known  There's still something
> > in the hpet detection code, but I didn't get to the bottom of it yet.
> > I'll do some more debugging to track down where it's really hanging.
> > Sorry for the noise.
> 
> I've tracked down this hang to a kzalloc in the hpet code that never
> returns.  But only when using SLUB.  Using SLAB, the highres/dyntick
> patch boots without problem.
> 
> ...adding Christoph to the CC list...

Please boot with slub_debug.

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