From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Cc: Pedro Ribeiro <pedrib@gmail.com>,
ibm-acpi-devel@lists.sourceforge.net, eusou15@yahoo.com,
linux-kernel@vger.kernel.org, toralf.foerster@gmx.de
Subject: Re: [ibm-acpi-devel] [PATCH] Remove 9 second reboot delay on Lenovo T400/T500
Date: Thu, 15 Jul 2010 23:50:22 +0100 [thread overview]
Message-ID: <20100715225022.GA31377@srcf.ucam.org> (raw)
In-Reply-To: <20100715223149.GC27512@khazad-dum.debian.net>
On Thu, Jul 15, 2010 at 07:31:49PM -0300, Henrique de Moraes Holschuh wrote:
> Or maybe we should key into whatever OSI() the ACPI firmware asked, and try
> first whatever shutdown path the highest version of Windows asked for by the
> firmware would.
I've been tracing how Windows implements reboots (XP, Vista and 7). It
appears to use the ACPI reboot vector, the keyboard controller, the ACPI
reboot vector again, the keyboard controller again and then hangs. I'll
try implementing equivalent behaviour in Linux and see whether it makes
any difference.
--
Matthew Garrett | mjg59@srcf.ucam.org
next prev parent reply other threads:[~2010-07-15 22:50 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 [this message]
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
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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