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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Message-Id: <200709212137.58703.rjw@sisk.pl>
Date:	Fri, 21 Sep 2007 21:37:57 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Thomas Gleixner <tglx@...utronix.de>
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

Thomas,

On Friday, 21 September 2007 21:16, Thomas Gleixner wrote:
> 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 :)

Heh, I thought of the same thing. :-)

Greetings,
Rafael
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