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

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Date:	Sat, 22 Jan 2011 13:58:30 +0800
From:	Jeff Chua <jeff.chua.linux@...il.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
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>
Subject: Re: [PATCH 0/11] ACPI: Fixes and cleanups related to iomaps management

On Sat, Jan 22, 2011 at 1:54 PM, Jeff Chua <jeff.chua.linux@...il.com> 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!
>
> 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.

Here's the dmesg.

Jeff

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