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 21:16:58 +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>,
	David Shaohua Li <shaohua.li@...el.com>
Subject: Re: 2.6.23-rc6-mm1: failure to boot on HP nx6325, no sound when
	booted, USB-related WARNING

Rafael,

On Fri, 2007-09-21 at 21:20 +0200, Rafael J. Wysocki wrote:
> On Friday, 21 September 2007 18:27, Thomas Gleixner wrote:
> > I simply rmmod'ed the processor module before suspend and the problem is
> > solved as well. The cpuidle patches make this problem more prominent due
> > to the possible more direct switch into lower power states, when we wait for
> > a long time on something. 
> 
> So, perhaps we can add a .suspend()/.resume() routines to the processor driver
> and use them to disable/enable the cpuidle functionality during a
> suspend/resume?

http://tglx.de/private/tglx/p.diff

untested yet, but I'm on the way to do that :)

	tglx


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