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From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Cc: Pedro Ribeiro <pedrib@gmail.com>,
	eusou15@yahoo.com, linux-kernel@vger.kernel.org,
	toralf.foerster@gmx.de, ibm-acpi-devel@lists.sourceforge.net
Subject: Re: [ibm-acpi-devel] [PATCH] Remove 9 second reboot delay on Lenovo T400/T500
Date: Sat, 17 Jul 2010 02:27:42 +0100	[thread overview]
Message-ID: <20100717012742.GA11262@srcf.ucam.org> (raw)
In-Reply-To: <20100717012304.GA27741@khazad-dum.debian.net>

On Fri, Jul 16, 2010 at 10:23:04PM -0300, Henrique de Moraes Holschuh wrote:

> 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...

The PCI one, since it's a function of the chipset. The ACPI one would 
act instantly (it's the PCI one, in this case) but it's marked as 
unsupported. However, the PCI one is poorly standardised - Windows never 
uses it, different chips have subtly different requirements and so on.

-- 
Matthew Garrett | mjg59@srcf.ucam.org

  reply	other threads:[~2010-07-17  1:27 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <4C3DCAA4.9050602@gmail.com>
2010-07-14 14:36 ` [PATCH] Remove 9 second reboot delay on Lenovo T400/T500 Matthew Garrett
2010-07-14 14:46   ` Pedro Ribeiro
2010-07-14 15:26   ` Nick Bowler
2010-07-15 22:31   ` [ibm-acpi-devel] " Henrique de Moraes Holschuh
2010-07-15 22:50     ` Matthew Garrett
2010-07-15 23:00       ` Henrique de Moraes Holschuh
2010-07-15 23:08         ` Matthew Garrett
2010-07-16  3:01           ` Henrique de Moraes Holschuh
2010-07-16 20:08             ` Matthew Garrett
2010-07-17  1:23               ` Henrique de Moraes Holschuh
2010-07-17  1:27                 ` Matthew Garrett [this message]
2010-07-23 18:53                   ` Pedro Ribeiro
2010-07-16 11:02           ` Pedro Ribeiro
2010-07-16  7:38 ` Jens Rutschmann
2010-07-16 20:31   ` Florian Mickler

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