From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Zhang Rui <rui.zhang@intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Martin Michlmayr <tbm@cyrius.com>,
"elendil@planet.nl" <elendil@planet.nl>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-acpi@vger.kernel.org" <linux-acpi@vger.kernel.org>,
fengguang.wu@intel.com
Subject: Re: [2.6.28] Kernel panic after closing lid on HP 2510p
Date: Thu, 15 Jan 2009 02:59:45 +0000 [thread overview]
Message-ID: <20090115025945.GA19472@srcf.ucam.org> (raw)
In-Reply-To: <1231988103.20746.149.camel@rzhang-dt>
On Thu, Jan 15, 2009 at 10:55:03AM +0800, Zhang Rui wrote:
> DIDL is an IGD OpRegion field, as the Supported Display Devices ID List.
> it's evaluated by the _DOD method when ACPI video driver is loaded.
> And according to the spec, "The graphics driver writes to this field
> once during its initialization"
> if DIDL is not empty, a flag is set and the SMI will not be invoked when
> closing the lid.
> In our tests, this field (DIDL) is set in windows when _DOD is invoked
> while it's not in Linux.
> I can workaround this bug by setting the DIDL manually in AML code.
Oh, huh. Yeah, that sounds plausible. I'll give it a go here tomorrow.
--
Matthew Garrett | mjg59@srcf.ucam.org
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WARNING: multiple messages have this Message-ID (diff)
From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Zhang Rui <rui.zhang@intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Martin Michlmayr <tbm@cyrius.com>,
"elendil@planet.nl" <elendil@planet.nl>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-acpi@vger.kernel.org" <linux-acpi@vger.kernel.org>,
fengguang.wu@intel.com
Subject: Re: [2.6.28] Kernel panic after closing lid on HP 2510p
Date: Thu, 15 Jan 2009 02:59:45 +0000 [thread overview]
Message-ID: <20090115025945.GA19472@srcf.ucam.org> (raw)
In-Reply-To: <1231988103.20746.149.camel@rzhang-dt>
On Thu, Jan 15, 2009 at 10:55:03AM +0800, Zhang Rui wrote:
> DIDL is an IGD OpRegion field, as the Supported Display Devices ID List.
> it's evaluated by the _DOD method when ACPI video driver is loaded.
> And according to the spec, "The graphics driver writes to this field
> once during its initialization"
> if DIDL is not empty, a flag is set and the SMI will not be invoked when
> closing the lid.
> In our tests, this field (DIDL) is set in windows when _DOD is invoked
> while it's not in Linux.
> I can workaround this bug by setting the DIDL manually in AML code.
Oh, huh. Yeah, that sounds plausible. I'll give it a go here tomorrow.
--
Matthew Garrett | mjg59@srcf.ucam.org
next prev parent reply other threads:[~2009-01-15 2:59 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-12 12:56 [2.6.28] Kernel panic after closing lid on HP 2510p Frans Pop
2009-01-13 12:30 ` Martin Michlmayr
2009-01-13 17:45 ` Git as of 13-Jan-2009 build fail on OMAP3 david.hagood
2009-01-14 15:55 ` Tony Lindgren
2009-01-13 19:31 ` [2.6.28] Kernel panic after closing lid on HP 2510p Frans Pop
2009-01-15 0:26 ` Andrew Morton
2009-01-15 2:03 ` Matthew Garrett
2009-01-15 2:15 ` Andrew Morton
2009-01-15 2:21 ` Matthew Garrett
2009-01-15 2:55 ` Zhang Rui
2009-01-15 2:55 ` Zhang Rui
2009-01-15 2:59 ` Matthew Garrett [this message]
2009-01-15 2:59 ` Matthew Garrett
2009-01-15 4:20 ` Wu Fengguang
2009-01-15 4:20 ` Wu Fengguang
2009-01-15 7:41 ` Martin Michlmayr
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