linux-kernel - Re: 2.6.23-rc4-mm1 and -rc6-mm1: boot failure on HP nx6325, related to clockevents

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Date:	Sun, 23 Sep 2007 21:59:41 +0200
From:	Thomas Gleixner <tglx@...utronix.de>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Andi Kleen <ak@...e.de>, Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: 2.6.23-rc4-mm1 and -rc6-mm1: boot failure on HP nx6325,
	related to clockevents

On Sun, 2007-09-23 at 22:08 +0200, Rafael J. Wysocki wrote:
> > > Since the boot fails very early, before any messages reach the (VGA) console,
> > > I have no idea what to do next, except for digging in the code.
> > 
> > Ok, lets track it down. Is there any difference when you add:
> > 
> > nohz=off
> > highres=off
> > noapictimer
> > 
> > or any combinations of the above to the kernel command line ?
> 
> First, for now, I build all kernels with NO_HZ and HIGH_RES_TIMERS unset
> (.config for 2.6.23-rc6-mm1 is attached).
> 
> Second, noacpitimer added to the command line makes all of the kernels, up to
> and including 2.6.23-rc6-mm1, boot (this seems to be 100% reproducible).

That's valuable information. Can you please provide a boot log of one of
those with an additional "apic=verbose" on the command line ?

Thanks,

	tglx


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