linux-kernel - Re: unable to shut down cleanly with 2.6.29-rc (can't remove snd-hda-codec-analog)

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Message-ID: <s5h1vtvhqw7.wl%tiwai@suse.de>
Date:	Thu, 19 Feb 2009 07:39:20 +0100
From:	Takashi Iwai <tiwai@...e.de>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Andy Neitzke <neitzke@...t.harvard.edu>,
	linux-kernel@...r.kernel.org
Subject: Re: unable to shut down cleanly with 2.6.29-rc (can't remove snd-hda-codec-analog)

At Wed, 18 Feb 2009 22:03:39 +0100,
Rafael J. Wysocki wrote:
> 
> (CCing Takashi).
> 
> On Wednesday 18 February 2009, Andy Neitzke wrote:
> > Hi,
> > 
> > With 2.6.29-rc kernels I am unable to shutdown my laptop (Thinkpad X60t) 
> > cleanly.

Are you using Gentoo?  See bug #12321.
	http://bugzilla.kernel.org/show_bug.cgi?id=12321

>  The shutdown gets stuck when it tries to unload the modules related 
> > to ALSA; specifically module "snd-hda-codec-analog" is the 
> > troublemaker.  "lsmod" indicates this module is "Used by 1" but doesn't give 
> > any clue about who is using it.

It's used by snd-hda-intel driver, the controller driver.
The reference link isn't seen because of the explicit mod_inc()
in the driver.


Takashi
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