From: Markus Schiltknecht <markus@bluegap.ch>
To: Rob Landley <rob@landley.net>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] booting a linux kernel from NFS
Date: Tue, 10 Oct 2006 18:17:05 +0200 [thread overview]
Message-ID: <452BC781.8040707@bluegap.ch> (raw)
In-Reply-To: <200610101200.36417.rob@landley.net>
Rob Landley wrote:
> Because the way -kernel works is to create a fake bootsector internally,
> present it to the bios as the start of hda, and tell the bios to boot from
> that. If you haven't got an hda, it gets confused. (It probably shouldn't,
> since it's not actually _using_ it, but it does.)
>
> Note that if you mmap /dev/zero it counts as an anonymous mapping, so feeding
> in /dev/zero for hda works just fine here.
Thank you, that works. And it's always good to know how it works.
Regards
Markus
prev parent reply other threads:[~2006-10-10 16:17 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-10 15:46 [Qemu-devel] booting a linux kernel from NFS Markus Schiltknecht
2006-10-10 16:00 ` Rob Landley
2006-10-10 16:17 ` Markus Schiltknecht [this message]
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