From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Ulrich Windl <Ulrich.Windl@rz.uni-regensburg.de>
Cc: linux-acpi@vger.kernel.org
Subject: Re: Probably wrong temparature for thermal zone on HP DL380 G7 server
Date: Mon, 4 Apr 2011 16:04:33 +0100 [thread overview]
Message-ID: <20110404150433.GA19455@srcf.ucam.org> (raw)
In-Reply-To: <4D99F1D8020000A100005903@gwsmtp1.uni-regensburg.de>
On Mon, Apr 04, 2011 at 04:29:12PM +0200, Ulrich Windl wrote:
> No support for device type: battery
> Thermal 1: ok, 8.0 degrees C
> No support for device type: ac_adapter
>From the DSDT on a DL580 G7:
Scope (_TZ)
{
Name (\TEMP, 0x0AFF)
...
Method (_TMP, 0, NotSerialized)
{
Store ("_TMP Method", Debug)
Return (TEMP)
}
And there's nothing else that touches TEMP (there's a different TEMP in
the CPU setup tables, but they're in different namespaces). So _TMP
always returns 0x0AFF, which is 2815, which is 281.5 kelvin, which is
8.3 degrees C.
Looks like a BIOS bug.
--
Matthew Garrett | mjg59@srcf.ucam.org
prev parent reply other threads:[~2011-04-04 15:04 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-04 14:29 Probably wrong temparature for thermal zone on HP DL380 G7 server Ulrich Windl
2011-04-04 15:04 ` Matthew Garrett [this message]
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