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Date: Wed, 3 Sep 2008 21:08:41 +0200 (CEST)
From: Thomas Gleixner <tglx@linutronix.de>
To: Dmitry Nezhevenko <dion@inhex.net>
cc: "Luiz Fernando N. Capitulino" <lcapitulino@mandriva.com.br>,
       herton@mandriva.com.br,
       Mikhail Kshevetskiy <mikhail.kshevetskiy@gmail.com>,
       LKML <linux-kernel@vger.kernel.org>
Subject: Re: 2.6.27-rc5 doesn't boot on a Pavilion laptop
In-Reply-To: <20080903190105.GA3660@laptop.local>
Message-ID: <alpine.LFD.1.10.0809032105160.3243@apollo.tec.linutronix.de>
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On Wed, 3 Sep 2008, Dmitry Nezhevenko wrote:
> On Wed, Sep 03, 2008 at 08:40:55PM +0200, Thomas Gleixner wrote:
> > I now see why this is happening and it is happening only on systems
> > with a fast HPET. Your's running 25MHz, so the delta is only 1.92
> > usec. I was staring at lots of those bugreports without noticing the
> > frequency.
> > 
> > Sigh. The idea to take a fixed number of HPET cycles as the minimum
> > was not really brilliant it seems.
> > 
> > Does the patch below help ? Keep the debug patch applied, as we can
> > see whether the check triggers or not.
> 
> Works for me... I'm just got only second backtrace after mounting rootfs.
> Looks like something is broken with  git tree. 

Is the box continuing to work after that warning/backtrace ? This is
still on the x86 git tree, right ? Please verify whether mainline
(linus git tree) has the same problem.

Thanks,

	tglx