linux-kernel - Re: [REGRESSION]fan turns at highspeed after suspend2ram

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Message-Id: <200802130023.06167.rjw@sisk.pl>
Date:	Wed, 13 Feb 2008 00:23:05 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Mirco Tischler <mt-ml@....de>
Cc:	lkml <linux-kernel@...r.kernel.org>,
	Len Brown <len.brown@...el.com>, Pavel Machek <pavel@...e.cz>,
	Ray Lee <ray-lk@...rabbit.org>
Subject: Re: [REGRESSION]fan turns at highspeed after suspend2ram

On Wednesday, 13 of February 2008, Mirco Tischler wrote:
> 
> Am Dienstag, den 12.02.2008, 23:18 +0100 schrieb Rafael J. Wysocki:
> > Ouch.  I think I know what the problem is.
> > 
> > On top of this patch, please apply the appended one and retest.
> > 
> > Thanks,
> > Rafael
> > 
> > ---
> >  drivers/acpi/hardware/hwsleep.c |    1 +
> >  1 file changed, 1 insertion(+)
> > 
> > Index: linux-2.6/drivers/acpi/hardware/hwsleep.c
> > ===================================================================
> > --- linux-2.6.orig/drivers/acpi/hardware/hwsleep.c
> > +++ linux-2.6/drivers/acpi/hardware/hwsleep.c
> > @@ -566,6 +566,7 @@ acpi_status acpi_leave_sleep_state(u8 sl
> >  		return_ACPI_STATUS(status);
> >  	}
> >  
> > +	arg.integer.value = sleep_state;
> >  	status = acpi_evaluate_object(NULL, METHOD_NAME__WAK, &arg_list, NULL);
> >  	if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
> >  		ACPI_EXCEPTION((AE_INFO, status, "During Method _WAK"));
> Good news. That works perfectly.

Ah, ok.  Thanks for testing. :-)

Can you please check if the current mainline with the following patch applied
works on your box?

Thanks,
Rafael

---
 drivers/acpi/hardware/hwsleep.c |    1 +
 1 file changed, 1 insertion(+)

Index: linux-2.6/drivers/acpi/hardware/hwsleep.c
===================================================================
--- linux-2.6.orig/drivers/acpi/hardware/hwsleep.c
+++ linux-2.6/drivers/acpi/hardware/hwsleep.c
@@ -616,6 +616,7 @@ acpi_status acpi_leave_sleep_state(u8 sl
 		return_ACPI_STATUS(status);
 	}
 
+	arg.integer.value = sleep_state;
 	status = acpi_evaluate_object(NULL, METHOD_NAME__WAK, &arg_list, NULL);
 	if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
 		ACPI_EXCEPTION((AE_INFO, status, "During Method _WAK"));
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