From: Nick Bowler <nbowler@elliptictech.com>
To: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: Pedro Ribeiro <pedrib@gmail.com>,
eusou15@yahoo.com, ibm-acpi-devel@lists.sourceforge.net,
linux-kernel@vger.kernel.org, toralf.foerster@gmx.de
Subject: Re: [PATCH] Remove 9 second reboot delay on Lenovo T400/T500
Date: Wed, 14 Jul 2010 11:26:38 -0400 [thread overview]
Message-ID: <20100714152638.GA28513@elliptictech.com> (raw)
In-Reply-To: <20100714143625.GA30721@srcf.ucam.org>
On 15:36 Wed 14 Jul , Matthew Garrett wrote:
> On Wed, Jul 14, 2010 at 03:33:08PM +0100, Pedro Ribeiro wrote:
> > The Lenovo T400 and T500 have an annoying 9 second delay when
> > rebooting, unless reboot=pci is passed to the kernel command line.
> > This delay happens from at least kernel 2.6.20.
[...]
> 1) Lenovo's firmware is broken and the 9-second delay is always going to
> be there. In that case we should try to use the ACPI reboot vector
> first.
While it may be true that the firmware is buggy, reboot=acpi does not
solve the problem; reboot=pci does.
--
Nick Bowler, Elliptic Technologies (http://www.elliptictech.com/)
next prev parent reply other threads:[~2010-07-14 15:27 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 [this message]
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
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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