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Subject: RE: 2.6.16-rc5: known regressions [TP 600X S3, vanilla DSDT] 
Date: Mon, 13 Mar 2006 10:00:37 +0800
Message-ID: <3ACA40606221794F80A5670F0AF15F840B2DACA5@pdsmsx403>
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Thread-Topic: 2.6.16-rc5: known regressions [TP 600X S3, vanilla DSDT] 
thread-index: AcZER8A/swjAM9LtQzSiW/rZjPvnCwB9/cdw
From: "Yu, Luming" <luming.yu@intel.com>
To: "Sanjoy Mahajan" <sanjoy@mrao.cam.ac.uk>
Cc: <linux-kernel@vger.kernel.org>, "Linus Torvalds" <torvalds@osdl.org>,
       "Andrew Morton" <akpm@osdl.org>, "Tom Seeley" <redhat@tomseeley.co.uk>,
       "Dave Jones" <davej@redhat.com>, "Jiri Slaby" <jirislaby@gmail.com>,
       <michael@mihu.de>, <mchehab@infradead.org>,
       <v4l-dvb-maintainer@linuxtv.org>, <video4linux-list@redhat.com>,
       "Brian Marete" <bgmarete@gmail.com>,
       "Ryan Phillips" <rphillips@gentoo.org>, <gregkh@suse.de>,
       <linux-usb-devel@lists.sourceforge.net>,
       "Brown, Len" <len.brown@intel.com>, <linux-acpi@vger.kernel.org>,
       "Mark Lord" <lkml@rtr.ca>, "Randy Dunlap" <rdunlap@xenotime.net>,
       <jgarzik@pobox.com>, <linux-ide@vger.kernel.org>,
       "Duncan" <1i5t5.duncan@cox.net>, "Pavlik Vojtech" <vojtech@suse.cz>,
       <linux-input@atrey.karlin.mff.cuni.cz>, "Meelis Roos" <mroos@linux.ee>
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>width) Address=0000000023FDFFC0
>exregion-0290 [36] ex_system_io_space_han: system_iO 1 (8 
>width) Address=00000000000000B2
>exregion-0185 [35] ex_system_memory_space: system_memory 0 (32 
>width) Address=0000000023FDFFC0
>exregion-0185 [36] ex_system_memory_space: system_memory 0 (32 
>width) Address=0000000023FDFFC0
>exregion-0185 [36] ex_system_memory_space: system_memory 1 (32 
>width) Address=0000000023FDFFC0
>exregion-0290 [36] ex_system_io_space_han: system_iO 1 (8 
>width) Address=00000000000000B2
>
>And then these above four lines (exregion-0185, -0185, -0185, -0290)
>repeat until I reboot.
>

If I understand correctly, it was due to  LEqual(S_AH, 0xA6) awlays
true.
SMM bios code didn't  respond , or respond correctly 
to the request by "store 0x81, APMD"  due to thermal module caused
issue?
I need the acpi trace log before _PTS to see what kind of thermal
related methods got called.

    Method (SMPI, 1, NotSerialized)
    {
        Store (S_AX, Local0)
        Store (0x81, APMD)
        While (LEqual (S_AH, 0xA6))
        {
            Sleep (0x64)
            Store (Local0, S_AX)
            Store (0x81, APMD)
        }
    }

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