From: Matt Domsch <Matt_Domsch@dell.com>
To: Rene Herman <rene.herman@keyaccess.nl>
Cc: MrUmunhum@popdial.com, linux-kernel@vger.kernel.org
Subject: Re: Which device did I boot from?
Date: Fri, 14 Apr 2006 23:25:00 -0500 [thread overview]
Message-ID: <20060415042500.GB3250@lists.us.dell.com> (raw)
In-Reply-To: <44401991.70100@keyaccess.nl>
On Fri, Apr 14, 2006 at 11:52:17PM +0200, Rene Herman wrote:
> William Estrada wrote:
>
> >Is there a way to determine which device I have booted from? For
> >example, say I booted from a USB device, can I tell which one? I did
> >not find anything in /proc FS other than the cmdline options.
>
> If you choose the (experimental) CONFIG_EDD option in your kernel then,
> with cooperation of your BIOS, you'll have a /sys/firmware/edd with at
> least some info about the BIOS boot device. For me:
I suppose I should un-mark this as experimental. It's been in the
kernel for a couple years, and shipping enabled in RHEL4 for over a
year with no problems (a recent buggy BIOS workaround the one
exception).
--
Matt Domsch
Software Architect
Dell Linux Solutions linux.dell.com & www.dell.com/linux
Linux on Dell mailing lists @ http://lists.us.dell.com
next prev parent reply other threads:[~2006-04-15 4:25 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-14 21:13 Which device did I boot from? William Estrada
2006-04-14 21:52 ` Rene Herman
2006-04-15 4:25 ` Matt Domsch [this message]
2006-04-16 17:49 ` Arjan van de Ven
-- strict thread matches above, loose matches on Subject: below --
2006-04-15 6:59 Andrey Borzenkov
2006-04-15 9:43 ` Rene Herman
2006-04-15 10:30 ` Andrey Borzenkov
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