linux-kernel - Re: [2.6.23-rc8-mm2] System hangs (loops?) during boot

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Message-Id: <200709302350.30612.elendil@planet.nl>
Date:	Sun, 30 Sep 2007 23:50:29 +0200
From:	Frans Pop <elendil@...net.nl>
To:	"Udo A. Steinberg" <us15@...inf.tu-dresden.de>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [2.6.23-rc8-mm2] System hangs (loops?) during boot

On Sunday 30 September 2007, you wrote:
> On Sat, 29 Sep 2007 13:02:34 -0700 Andrew Morton (AM) wrote:
> AM> On Sat, 29 Sep 2007 21:40:22 +0200 Frans Pop wrote:
> AM> > 3fe6c0016fd863b233097a8219a0d8577c2fd503 is first bad commit
> AM> > commit 3fe6c0016fd863b233097a8219a0d8577c2fd503
> AM> > Author: Udo A. Steinberg <...>
> AM> >     hpet-force-enable-on-ich34
> AM> >
> AM> > Guess the comments about thin ice and testing were justified :-)
> AM> >
> AM> Great, thanks for doing that.
> AM>
> AM> I guess I'll drop the patch for now in that case.
>
> I somehow doubt that the HPET patch itself is the culprit. In fact, the
> reason it shows up on git-bisect is probably because without it HPET
> functionality is not enabled on the platform. So the problem could really
> be anywhere in the HPET-driven timer infrastructure.
>
> Frans, could you try out the -hrt patchset from Thomas Gleixner and see
> if that works? 

I'm not sure what you mean. I fetched the branch I think you referred to 
[1], but when I did a merge of that on top of v2.6.23-rc8-mm2 I 
got "Already up-to-date", so AFAICT that branch is fully merged into mm and 
I'm already running with you latest code...
Please correct me if I'm doing anything wrong.

[1] git://git.kernel.org/pub/scm/linux/kernel/git/tglx/linux-2.6-hrt

> Also, what ICH does your platform have? ICH3 or ICH4?

It is ICH4.
See the link below (which I already included) for more details:
> AM> > lspci and a 2.6.23-rc6 dmesg for this system can be found in:
> AM> > http://lkml.org/lkml/2007/9/19/300

Cheers,
FJP
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