linux-kernel - RE: [2.6.25-rc1 regression] Suspend to RAM (bisected)

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Date:	Mon, 11 Feb 2008 10:22:04 -0800
From:	"Pallipadi, Venkatesh" <venkatesh.pallipadi@...el.com>
To:	"Calvin Walton" <calvin.walton@...il.com>,
	"Carlos R. Mafra" <crmafra@...il.com>
Cc:	<linux-kernel@...r.kernel.org>, "Len Brown" <lenb@...nel.org>,
	"Thomas Gleixner" <tglx@...utronix.de>
Subject: RE: [2.6.25-rc1 regression] Suspend to RAM (bisected)


>-----Original Message-----
>From: Calvin Walton [mailto:calvin.walton@...il.com] 
>Sent: Sunday, February 10, 2008 9:48 PM
>To: Carlos R. Mafra
>Cc: linux-kernel@...r.kernel.org; Pallipadi, Venkatesh
>Subject: Re: [2.6.25-rc1 regression] Suspend to RAM (bisected)
>
>On Mon, 2008-02-11 at 03:25 -0200, Carlos R. Mafra wrote: 
>> Hi,
>> 
>> I want to report that suspend to RAM stopped working on my Sony Vaio 
>> VGN-FZ240E in 2.6.25-rc1 and that I could bisect the problem down
>> to:
>> 
>> commit bc71bec91f9875ef825d12104acf3bf4ca215fa4
>> Author: venkatesh.pallipadi@...el.com <venkatesh.pallipadi@...el.com>
>> Date:   Thu Jan 31 17:35:04 2008 -0800
>> 
>>     ACPI: enable MWAIT for C1 idle
>
>I normally hate to throw in a 'me-too', but I'm also seeing a
>suspend-to-ram regression on my Thinkpad R61i that I've managed to
>bisect down to the same patch series.
>

Carlos, Calvin,

Can you send me the output of acpidump and full dmesg to me. Looks like
it is a platform issue due to which we cannot use C1 mwait idle during
suspend resume, something similar to issue we had with using C2/C3 state
during idle.

Thanks,
Venki 
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