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Date: Fri, 3 Feb 2006 16:10:15 -0500
To: Hugh Dickins <hugh@veritas.com>
Cc: Linus Torvalds <torvalds@osdl.org>,
       Kai Makisara <Kai.Makisara@kolumbus.fi>,
       James Bottomley <James.Bottomley@SteelEye.com>,
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       Roland Dreier <rdreier@cisco.com>, Brian King <brking@us.ibm.com>,
       Willem Riede <osst@riede.org>, Doug Gilbert <dougg@torque.net>,
       linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org
Subject: Re: Fw: crash on x86_64 - mm related?
Message-ID: <20060203211015.GA555@tau.solarneutrino.net>
References: <20060105201249.GB1795@tau.solarneutrino.net> <Pine.LNX.4.64.0601051312380.3169@g5.osdl.org> <20060109033149.GC283@tau.solarneutrino.net> <Pine.LNX.4.64.0601082000450.3169@g5.osdl.org> <Pine.LNX.4.61.0601090933160.7632@goblin.wat.veritas.com> <20060109185350.GG283@tau.solarneutrino.net> <Pine.LNX.4.61.0601091922550.15426@goblin.wat.veritas.com> <20060118001252.GB821@tau.solarneutrino.net> <Pine.LNX.4.61.0601181556050.9110@goblin.wat.veritas.com> <Pine.LNX.4.61.0602031842290.14065@goblin.wat.veritas.com>
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From: Ryan Richter <ryan@tau.solarneutrino.net>
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On Fri, Feb 03, 2006 at 07:46:24PM +0000, Hugh Dickins wrote:
> On Wed, 18 Jan 2006, Hugh Dickins wrote:
> > On Tue, 17 Jan 2006, Ryan Richter wrote:
> > 
> > > This machine experienced another random reboot today, nothing in the
> > > logs or on the console etc.  This is the 3rd time now since I upgraded
> > > from 2.6.11.3.  Is there any way to debug something like this?
> > 
> > Nasty.  I hope someone else can suggest something constructive.
> 
> Are they still happening?
> 
> > > I'm fairly certain it's not hardware-related.
> > > Might this have something to do with the st problem?
> > 
> > Well, it might: I've not been able to explain that at all, so cannot
> > rule out a relation to your reboots.
> 
> If no "Bad page state" has occurred earlier, we can now be sure that
> these reboots are (unfortunately) unrelated to the st problem.

It must not be related then, since it never stayed up more than a few
seconds after that happened.

I've tried disabling the hangcheck timer and the software watchdog as a
shot in the dark, but it's only been a week since then and these seem to
happen about every 3 weeks or so.  Quite a pain to debug.

-ryan