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:	Fri, 21 Sep 2007 00:01:20 +0200
From:	Thomas Gleixner <tglx@...utronix.de>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Kernel Mailing List <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>,
	Ingo Molnar <mingo@...e.hu>, miklos@...redi.hu,
	Len Brown <len.brown@...el.com>
Subject: Re: 2.6.23-rc6-mm1: failure to boot on HP nx6325, no sound when
	booted, USB-related WARNING

Rafael,

On Thu, 2007-09-20 at 23:54 +0200, Rafael J. Wysocki wrote:
> > Hmm. This is close to the ordering we have in STR too.
> > 
> > I have some dim memory of there being some ACPI reason why it had to be 
> > done that way.
> 
> Yes.  We're executing _INI from the CPU initialization code and that shouldn't
> be done after _WAK, which is called from platform_finish().

If I tear down CPU#1 right before I tell the kernel to hibernate, then
the box must explode in the same way. It does not. On none of 4 tested
laptops. 

Of course only the jinxed VAIO one exposes the "please press a key
problem".

I need to follow down the swsusp_suspend() code path to figure out, why
this breaks the box.

	tglx


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