linux-kernel - Re: 2.6.23-rc6-mm1: failure to boot on HP nx6325, no sound when booted, USB-related WARNING

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Date:	Thu, 20 Sep 2007 15:53:52 +0200
From:	Thomas Gleixner <tglx@...utronix.de>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, Jaroslav Kysela <perex@...e.cz>,
	Takashi Iwai <tiwai@...e.de>,
	linux-usb-devel@...ts.sourceforge.net,
	Venkatesh Pallipadi <venkatesh.pallipadi@...el.com>
Subject: Re: 2.6.23-rc6-mm1: failure to boot on HP nx6325, no sound when
	booted, USB-related WARNING

On Thu, 2007-09-20 at 16:12 +0200, Rafael J. Wysocki wrote:
> > Vs. the suspend / resume wreckage of rc6-mm1 / rc6-hrt2: 
> 
> ie. the one on the Vaio (I assume).
> 
> > I'm still fishing in rather dark water. Depending on the added
> > instrumentation points the problem mutates up to the point where it
> > vanishes completely. The hang, which requires key strokes again, happens
> > consistently at the same place:
> > 
> > The notifier call in kernel/cpu.c::_cpu_up()
> > 
> >        ret = __raw_notifier_call_chain(&cpu_chain, CPU_UP_PREPARE | mod, hcpu,
> >                                                         -1, &nr_calls);
> > 
> > does not return, but _all_ registered notifiers are called and reach
> > their return statement. This reminds me on:
> > 
> > http://lkml.org/lkml/2007/5/9/46
> > 
> > Sigh. I have no clue where to dig further.
> 
> Well, the above may affect SMP systems, but the Vaio is UP.  Hmm?

My jinxed VAIO variant is SMP, but it looks like the same mysterious
error.

	tglx


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