linux-kernel - Re: [linux-usb-devel] can't suspend on vaio sz (rc4 and rc5 are ok) [was Re: 2.6.22-rc4-mm2]

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Message-ID: <Pine.LNX.4.44L0.0706200959090.3311-100000@iolanthe.rowland.org>
Date:	Wed, 20 Jun 2007 10:01:40 -0400 (EDT)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Mattia Dongili <malattia@...ux.it>
cc:	Andrew Morton <akpm@...ux-foundation.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	<linux-kernel@...r.kernel.org>,
	<linux-usb-devel@...ts.sourceforge.net>
Subject: Re: [linux-usb-devel] can't suspend on vaio sz (rc4 and rc5 are ok)
 [was Re: 2.6.22-rc4-mm2]

On Wed, 20 Jun 2007, Mattia Dongili wrote:

> On Wed, Jun 06, 2007 at 10:03:13PM -0700, Andrew Morton wrote:
> > 
> > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.22-rc4/2.6.22-rc4-mm2/
> 
> Hello,
> on this vaio sz72b I can't suspend if usb-storage is loaded. Bisecting
> is becoming troublesome as different sets have slightly different
> problems.
> At one point (with the GREGKH usb stuff built) I had the kernel
> reporting it cannot stop the usb-storage thread so I guess that
> something later in the series made things worse (freezable workqueues?).
> 
> Clues?

The usb-storage thread is supposed to be unfreezable.  Recent changes 
may have messed up the code that checks for which threads need to be 
frozen and which don't.

Alan Stern

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