From: Ingo Molnar <mingo@elte.hu>
To: "Zhang, Yanmin" <yanmin_zhang@linux.intel.com>
Cc: Ravikiran G Thirumalai <kiran@scalex86.org>,
linux-kernel@vger.kernel.org, "Rafael J. Wysocki" <rjw@sisk.pl>,
torvalds@linux-foundation.org
Subject: Re: [2.6.27-rc6 regression] Intermittent boot problem with 2.6.27-rc6
Date: Wed, 17 Sep 2008 11:55:58 +0200 [thread overview]
Message-ID: <20080917095558.GB7040@elte.hu> (raw)
In-Reply-To: <1221639786.25574.27.camel@ymzhang>
* Zhang, Yanmin <yanmin_zhang@linux.intel.com> wrote:
>
> On Tue, 2008-09-16 at 13:04 -0700, Ravikiran G Thirumalai wrote:
> > Hi,
> > Booting 2.6.27-rc6, or the current Linus' git on large x86_64 NUMA wedges
> > intermittently. This happens on machines with more than 4 NUMA nodes. The
> > same kernel boots on similar hardware with fewer NUMA nodes (or boards).
> > 2.6.27-rc3 seemed to boot well on similar configurations, so looks like a
> > regression crept in between 2.6.27-rc3 and rc6.
> >
> > I am trying a few things -- commandline options to eliminate popular
> > suspects (such as unsynced tsc clocksources) as well as git bisect, but
> > wanted to report the regression in the meanwhile.
> > Here's the dmesg of a 24 core 6 node wedged system.
> Because the git doesn't include my patch. Pls. try it.
>
> http://marc.info/?l=linux-kernel&m=122093094701219&w=2
it's queued up already, will send a pull request later today.
Ingo
next prev parent reply other threads:[~2008-09-17 9:56 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-16 20:04 Ravikiran G Thirumalai
2008-09-17 8:23 ` Zhang, Yanmin
2008-09-17 9:55 ` Ingo Molnar [this message]
2008-09-17 20:01 ` Ravikiran G Thirumalai
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