linux-kernel - Re: broken suspend [Was: 2.6.24-rc2-mm1]

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Message-ID: <20071116003836.GA24490@kroah.com>
Date:	Thu, 15 Nov 2007 16:38:36 -0800
From:	Greg KH <greg@...ah.com>
To:	Jiri Slaby <jirislaby@...il.com>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org,
	Alan Stern <stern@...land.harvard.edu>,
	Linux-pm mailing list <linux-pm@...ts.linux-foundation.org>
Subject: Re: broken suspend [Was: 2.6.24-rc2-mm1]

On Fri, Nov 16, 2007 at 12:59:41AM +0100, Jiri Slaby wrote:
> On 11/14/2007 10:48 PM, Rafael J. Wysocki wrote:
> > On Wednesday, 14 of November 2007, Jiri Slaby wrote:
> >> On 11/14/2007 02:59 AM, Andrew Morton wrote:
> >>> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.24-rc2/2.6.24-rc2-mm1/
> >> Doesn't suspend for me (neither broken-out-2007-11-13-04-14 did) on x86_64.
> >> echo mem >/sys/power/state
> >> causes shut down of disk(s) and blinking cursor on 1,1 position.
> >> The last working was 2.6.23-rc8-mm2. I haven't tested
> >> 2.6.23-mm1, since it didn't work for me.
> > 
> > Does the current mainline work?
> 
> Yes.
> 
> The offending -mm patch is
> gregkh-driver-pm-acquire-device-locks-prior-to-suspending.patch
> 
> 2.6.24-rc2-mm1 minus it works just fine; PROVE_LOCKING shows nothing new when
> the patch is applied.

Thanks for tracking this down.  Alan, any thoughts?

thanks,

greg k-h
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