From: Laurent Vivier <Laurent.Vivier@bull.net>
To: Soren Hansen <soren@ubuntu.com>
Cc: kvm@vger.kernel.org
Subject: Re: Failure to boot CDROM with -drive arg
Date: Tue, 08 Jul 2008 11:28:26 +0200 [thread overview]
Message-ID: <1215509306.3805.14.camel@frecb07144> (raw)
In-Reply-To: <20080708091724.GA4861@ralph.linux2go.dk>
Le mardi 08 juillet 2008 à 11:17 +0200, Soren Hansen a écrit :
> On Tue, Jul 08, 2008 at 09:37:30AM +0100, Daniel P. Berrange wrote:
> > The following two command lines should be identical from the user's
> > point of view:
> >
> > # qemu-kvm -cdrom /home/berrange/boot.iso -boot d -m 500
> >
> > # qemu-kvm -drive file=/home/berrange/boot.iso,if=ide,media=cdrom,index=2,boot=on -m 500
>
> http://sourceforge.net/tracker/index.php?func=detail&aid=1977971&group_id=180599&atid=893831
yes, in fact "media=cdrom,boot=on" is not equal to "-cdrom ... -boot d".
"boot=on" means "use bios extension extboot with this drive", and using
extboot allows the bios to manage this device and to boot from it.
Laurent
--
--------- Laurent.Vivier@bull.net ----------
"L'avenir ne se prévoit pas, il se prépare."
- Maurice Blondel
prev parent reply other threads:[~2008-07-08 9:28 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-08 8:37 Failure to boot CDROM with -drive arg Daniel P. Berrange
2008-07-08 8:48 ` Laurent Vivier
2008-07-08 8:51 ` Daniel P. Berrange
2008-07-08 8:54 ` Laurent Vivier
2008-07-08 9:17 ` Soren Hansen
2008-07-08 9:21 ` Daniel P. Berrange
2008-07-08 9:29 ` Laurent Vivier
2008-07-08 13:01 ` Anthony Liguori
2008-07-08 13:45 ` Laurent Vivier
2008-07-08 14:59 ` Anthony Liguori
2008-07-08 15:03 ` Laurent Vivier
2008-07-08 15:14 ` Anthony Liguori
2008-07-08 9:28 ` Laurent Vivier [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=1215509306.3805.14.camel@frecb07144 \
--to=laurent.vivier@bull.net \
--cc=kvm@vger.kernel.org \
--cc=soren@ubuntu.com \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.