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]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20100609132621.GA25403@elliptictech.com \
--to=nbowler@elliptictech.com \
--cc=ibm-acpi-devel@lists.sourceforge.net \
--cc=linux-kernel@vger.kernel.org \
--cc=toralf.foerster@gmx.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox