linux-kernel - Re: 2.6.25-current-git hangs on boot unless CONFIG_CPU_IDLE=n

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Date:	Thu, 3 Apr 2008 22:10:53 -0300
From:	"Carlos R. Mafra" <crmafra2@...il.com>
To:	"Pallipadi, Venkatesh" <venkatesh.pallipadi@...el.com>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Pallipadi@...e.sisk.pl, Soeren Sonnenburg <kernel@....de>
Subject: Re: 2.6.25-current-git hangs on boot unless CONFIG_CPU_IDLE=n -
	Apple

On Thu  3.Apr'08 at 17:14:22 -0700, Pallipadi, Venkatesh wrote:
> >The following report is on the current list of known regressions
> >from 2.6.24.  Please verify if the issue is still present in the
> >mainline.
> >
> >
> >Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=10093
> >Subject		: 2.6.25-current-git hangs on boot 
> >unless CONFIG_CPU_IDLE=n - Apple
> >Submitter	: Soeren Sonnenburg <kernel@....de>
> >Date		: 2008-02-23 18:55 (41 days old)
> >References	: http://lkml.org/lkml/2008/2/23/263
> >		  
> >http://marc.info/?l=linux-acpi&amp;m=120387537018467&amp;w=4
> >Handled-By	: Pallipadi, Venkatesh <venkatesh.pallipadi@...el.com>
> >
> 
> Last comment I saw from Soeren says it does not really hang. It waits
> for 5-10 seconds sometimes before continuing. We are still trying to
> narrow this down with max_cstate etc..

I should say that my laptop (Vaio) _hangs_ at boot (less than 10% of boots)
and this is the last message I see:

"ACPI: Processor [CPU1] (supports 8 throttling states)"

and it stays there "forever" (more than 1 or 2 minutes at least).

I am not using my laptop too much these days, and I thought this
bug had been solved because it didn't hang for the last week (but
I boot it once per day), however it hang last night (using some
post 2.6.25-rc7 kernel)

I have pictures of the screen while showing this last message at boot, 
should I post it somewhere or that is not necessary?.
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