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Date:	Sat, 19 May 2007 17:45:04 -0300
From:	Henrique de Moraes Holschuh <hmh@....eng.br>
To:	Matt Mackall <mpm@...enic.com>
Cc:	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
	akpm@...ux-foundation.org
Subject: Re: 2.6.21-mm2: ACPI exception on resume

On Sat, 19 May 2007, Matt Mackall wrote:
> usually does, then go black and the machine will become totally
> unresponsive, even to holding down the power button for 30+ seconds.

Now, that means either the BIOS or EC have been thrown out of whack,
otherwise one of the two would have force-powered-off the machine a bit
after 10s.

Are you using the latest BIOS and EC firmware available?

If you are at the latest BIOS and EC releases, does ec_intr=0 fix the issue?

> 08:57:27 [drm] Loading R200 Microcode
> 08:57:27 ACPI: EC: acpi_ec_wait timeout, status = 10, expect_event = 2
> 08:57:27 ACPI: EC: input buffer is not empty, aborting transaction
> 08:57:28 ACPI: EC: acpi_ec_wait timeout, status = 10, expect_event = 2

Yep, EC is confused.  Not Good!

-- 
  "One disk to rule them all, One disk to find them. One disk to bring
  them all and in the darkness grind them. In the Land of Redmond
  where the shadows lie." -- The Silicon Valley Tarot
  Henrique Holschuh
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