linux-kernel - Re: PME via interrupt or SCI mechanism?

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Message-ID: <20110929204440.GA6043@xanatos>
Date:	Thu, 29 Sep 2011 13:44:40 -0700
From:	Sarah Sharp <sarah.a.sharp@...ux.intel.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	linux-acpi@...r.kernel.org, linux-pci@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>,
	Matthew Garrett <mjg59@...f.ucam.org>
Subject: Re: PME via interrupt or SCI mechanism?

On Thu, Sep 29, 2011 at 09:39:56PM +0200, Rafael J. Wysocki wrote:
> On Thursday, September 29, 2011, Sarah Sharp wrote:
> > On Thu, Sep 29, 2011 at 12:21:28AM +0200, Rafael J. Wysocki wrote:
> Please try the appended patch and check if you see the "Notification error
> for GPE" message (please keep your previous debug patches applied).

Do I need to have the ACPI debug_level or debug_layer set to anything in
particular to see this message?  I don't see this message in dmesg with
debug_level and debug_layer set to 0x0.

Sarah Sharp

> ---
>  drivers/acpi/acpica/evgpe.c |    6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 
> Index: linux/drivers/acpi/acpica/evgpe.c
> ===================================================================
> --- linux.orig/drivers/acpi/acpica/evgpe.c
> +++ linux/drivers/acpi/acpica/evgpe.c
> @@ -523,10 +523,14 @@ static void ACPI_SYSTEM_XFACE acpi_ev_as
>  				ACPI_NOTIFY_DEVICE_WAKE);
>  
>  		notify_object = local_gpe_event_info->dispatch.device.next;
> -		while (ACPI_SUCCESS(status) && notify_object) {
> +		while (notify_object) {
>  			status = acpi_ev_queue_notify_request(
>  					notify_object->node,
>  					ACPI_NOTIFY_DEVICE_WAKE);
> +			if (ACPI_FAILURE(status))
> +				ACPI_ERROR((AE_INFO,
> +					"Notification error for GPE 0x%X",
> +					local_gpe_event_info->gpe_number));
>  			notify_object = notify_object->next;
>  		}
>  
--
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