linux-kernel - Re: Thinkpad ACPI

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Date:	Tue, 24 Jul 2007 23:44:46 +0000 (UTC)
From:	Steven <hairpinblue@...oo.com>
To:	linux-kernel@...r.kernel.org
Subject:  Re: Thinkpad ACPI

On Tue, 24 Jul 2007 17:19:17 -0500, YOSHIFUJI Hideaki / 吉藤英明 wrote:

> Linux 2.6.23-rc1 fails to power off my ThinkPad T42. Git-bisect told me
> that the following commit is to blame, and by reverting that commit, it
> works appropriately.

I have noted the same behavior on a Thinkpad 600X.

On the topic of Thinkpad ACPI, the following has occured twice (out of over
one hundred boots) in the last month during boot, once with a 2.6.21.5
kernel and once with 2.6.22.1.

Jul 23 06:51:31 celestial kernel: [ 204.882991] ACPI: Core revision 20070126
Jul 23 06:51:31 celestial kernel: [ 204.947102] ACPI: setting ELCR to 0a00 (from 0800)
Jul 23 06:51:31 celestial kernel: [ 208.791654] ACPI Error (hwacpi-0142): Hardware did not change modes [20070126]
Jul 23 06:51:31 celestial kernel: [ 208.792229] ACPI Error (evxfevnt-0086): Could not transition to ACPI mode [20070126]
Jul 23 06:51:31 celestial kernel: [ 208.792806] ACPI Warning (utxface-0139): AcpiEnable failed [20070126]
Jul 23 06:51:31 celestial kernel: [ 208.793299] ACPI: Unable to enable ACPI

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