linux-kernel - Re: [ibm-acpi-devel] [PATCH] Remove 9 second reboot delay on Lenovo T400/T500

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Message-ID: <20100717012304.GA27741@khazad-dum.debian.net>
Date:	Fri, 16 Jul 2010 22:23:04 -0300
From:	Henrique de Moraes Holschuh <hmh@....eng.br>
To:	Matthew Garrett <mjg59@...f.ucam.org>
Cc:	Pedro Ribeiro <pedrib@...il.com>, eusou15@...oo.com,
	linux-kernel@...r.kernel.org, toralf.foerster@....de,
	ibm-acpi-devel@...ts.sourceforge.net
Subject: Re: [ibm-acpi-devel] [PATCH] Remove 9 second reboot delay on
 Lenovo T400/T500

On Fri, 16 Jul 2010, Matthew Garrett wrote:
> 1) The ACPI reboot vector reboots these machines instantly, but the flag 
> that indicates we should use it isn't set.
> 2) Windows takes 9 seconds to reboot on the same hardware.
> 
> It just sounds like broken firmware.

I'm confused.  Is it the PCI reboot vector, or the ACPI reboot vector
that acts instantly?  The bug reporters say that they use reboot=pci to
have instant reboot, in this thread...

-- 
  "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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