linux-kernel - Re: [PATCH 0/11] ACPI: Fixes and cleanups related to iomaps management

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Date:	Sat, 22 Jan 2011 10:13:09 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Jeff Chua <jeff.chua.linux@...il.com>
Cc:	Len Brown <lenb@...nel.org>, LKML <linux-kernel@...r.kernel.org>,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	"Linux-pm mailing list" <linux-pm@...ts.linux-foundation.org>,
	Matthew Garrett <mjg59@...f.ucam.org>,
	Henrique de Moraes Holschuh <ibm-acpi@....eng.br>,
	platform-driver-x86@...r.kernel.org
Subject: Re: [PATCH 0/11] ACPI: Fixes and cleanups related to iomaps management

On Saturday, January 22, 2011, Jeff Chua wrote:
> 2011/1/22 Rafael J. Wysocki <rjw@...k.pl>:
> > On Friday, January 21, 2011, Jeff Chua wrote:
> >> 2011/1/21 Rafael J. Wysocki <rjw@...k.pl>:
> >> > Thanks, but unfortunately this wasn't conclusive.  Please apply the patch below
> >> > instead of the previous one (on top of [1/11] - [11/11]) and collect dmesg
> > So, below is a replacement for [11/11].  Please test it on top of
> > [1/11] - [10/11] (the current Linus' tree already contains [1/11] and [2/11])
> > and let me know if it works for you (in either case, please attach dmesg
> > output containing a suspend attempt).
> >
> > If it works, I'll remove the diagnostic messages and submit along with the
> > rest of the patchset.
> 
> Rafael,
> 
> dmesg attached. This time, it worked!

Great, thanks a lot!

> I discovered CONFIG_THINKPAD_ACPI caused suspend-to-disk to hang. I
> need the Thinkpad ACPI to control the fan and bluetooth. It looks like
> the thinkpad acpi is trying acquire locks while suspending.  Disabling
> cmos, light, led and hotkeys makes suspend-to-disk works again.

Well, we should tell the thinkpad_acpi maintainer about that, then (CCed).

It also would be good to file a Bugzilla report about that, if poss.

Rafael
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