linux-kernel - Re: [Bug #10117] 2.6.25-current-git hangs on boot (pci=nommconf helps)

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Message-ID: <20080409104253.GA3786@localhost.ift.unesp.br>
Date:	Wed, 9 Apr 2008 07:42:53 -0300
From:	"Carlos R. Mafra" <crmafra2@...il.com>
To:	Soeren Sonnenburg <kernel@....de>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [Bug #10117] 2.6.25-current-git hangs on boot (pci=nommconf
	helps)

On Wed  9.Apr'08 at 10:58:02 +0200, Soeren Sonnenburg wrote:
> On Wed, 2008-04-09 at 01:02 +0200, Rafael J. Wysocki wrote:
> > This message has been generated automatically as a part of a report
> > of recent regressions.
> > 
> > The following bug entry is on the current list of known regressions
> > from 2.6.24.  Please verify if it still should be listed.
> > 
> > 
> > Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=10117
> > Subject		: 2.6.25-current-git hangs on boot (pci=nommconf helps)
> > Submitter	: Soeren Sonnenburg <kernel@....de>
> > Date		: 2008-02-23 18:55 (46 days old)
> > References	: http://lkml.org/lkml/2008/2/23/263
> > 		  http://lkml.org/lkml/2008/4/4/41
> 
> I could not anymore trigger this, though suddenly Carlos...

Yes, I can reproduce it with 10% chance. I will also reply in another
thread to Venkatesh, but here it goes:

1) Does not hang with CONFIG_CPUIDLE=n (17 boots OK)

2) It hangs with processor.max_cstate=2 (hung at the 10th boot)

3) Does not hang with processor.max_cstate=1 (20 boots OK)
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