linux-kernel - Re: Re: i686 hang on boot in userspace

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Message-ID: <20060717133809.150390@gmx.net>
Date:	Mon, 17 Jul 2006 15:38:09 +0200
From:	"Uwe Bugla" <uwe.bugla@....de>
To:	Roman Zippel <zippel@...ux-m68k.org>
Cc:	johnstul@...ibm.com, akpm@...l.org, linux-kernel@...r.kernel.org,
	Valdis.Kletnieks@...edu
Subject: Re: Re: i686 hang on boot in userspace


-------- Original-Nachricht --------
Datum: Mon, 17 Jul 2006 12:52:28 +0200 (CEST)
Von: Roman Zippel <zippel@...ux-m68k.org>
An: Uwe Bugla <uwe.bugla@....de>
Betreff: Re: i686 hang on boot in userspace

> Hi,
> 
> On Fri, 14 Jul 2006, Uwe Bugla wrote:
> 
> > Hi everybody,
> > first of all thanks to the explanatory hints how a magic Sysrq key works
> – I've learned a lot.
> > 
> > I first pressed ALT + PrintScreen + P, then ALT + PrintScreen + T.
> > To avoid wordwrapping or other unwanted effects please see the resulting
> kern.log as outline attachment.
> > 
> > Could someone please explain to me what's behind that cryptic code?
> 
> It shows what the kernel is currently is doing and where it's spending the
> time.
> First, your kernel buffer log buffer seems a little small, so not 
> everything is captured. Could you increase the number in the "Kernel log 
> buffer size" option (it's in the "Kernel debugging" part of the "Kernel 
> hacking" menu).
> Second, could you press ALT+PrintScreen+P a few more times (maybe around 
> 10 at least) while the kernel hangs? This would should where the cpu is 
> spending its time and whether it's at a single place or at different 
> places.
> Thanks.
> 
> bye, Roman

Hi Roman, Hi everybody else,
my boot problem is solved within kernel 2.6.18-rc1-mm2!!!

A thousands of thanks for all your efforts!

I have compared 18-rc1-mm1 and 18-rc1-mm2.
mm2 contains a patch for timer.c owning almost twice as many hunks than mm1.
In so far I was sure it was a timer.c issue.

Regards

Uwe

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