From: Nick Bowler <nbowler@elliptictech.com>
To: "Toralf Förster" <toralf.foerster@gmx.de>
Cc: ibm-acpi-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
Subject: Re: ThinkPad T400 : should kernel option "reboot=pci" be hard coded ?
Date: Wed, 9 Jun 2010 09:26:21 -0400 [thread overview]
Message-ID: <20100609132621.GA25403@elliptictech.com> (raw)
In-Reply-To: <201006071122.21925.toralf.foerster@gmx.de>
On 11:22 Mon 07 Jun , Toralf Förster wrote:
> Since some kernel version (IIRC since 2.6.31) it is necessary to boot the
> linux kernel with that option to prevent an extra 9 seconds delay during
> reboot.
> I found this tip on the LKML -and now I'm wondering whether this option should
> be hard coded in the kernel sources b/c it seems to be necessary for current
> kernels too.
Wow! That delay has been frustrating me since I bought my T500 last
year. I had tried a couple reboot= options (triple, acpi) and they all
had the delay, so I figured it was something inherent with the system
firmware.
But reboot=pci works perfectly! Thanks for the tip.
--
Nick Bowler, Elliptic Technologies (http://www.elliptictech.com/)
prev parent reply other threads:[~2010-06-09 13:26 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-07 9:22 ThinkPad T400 : should kernel option "reboot=pci" be hard coded ? Toralf Förster
2010-06-07 14:11 ` Matthew Garrett
2010-06-09 11:43 ` Toralf Förster
2010-07-14 5:01 ` Pedro Ribeiro
2011-03-01 8:40 ` Toralf Förster
2011-03-01 12:35 ` Matthew Garrett
2011-03-01 20:28 ` [ibm-acpi-devel] " Henrique de Moraes Holschuh
2010-06-09 13:26 ` Nick Bowler [this message]
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