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Re: [Qemu-devel] qemu-kvm 0.15.0 boot order not working
From: |
Peter Lieven |
Subject: |
Re: [Qemu-devel] qemu-kvm 0.15.0 boot order not working |
Date: |
Mon, 29 Aug 2011 13:42:51 +0200 |
User-agent: |
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.17) Gecko/20110424 Thunderbird/3.1.10 |
On 29.08.2011 13:21, Ottavio wrote:
On 29 August 2011 11:12, Peter Lieven<address@hidden> wrote:
Hi,
when I specify something like
qemu -boot order=dc -cdrom image.iso -drive file=img.raw,if=virtio,boot=yes
or
qemu -boot order=n -cdrom image.iso -drive file=img.raw,if=virtio,boot=yes
with qemu-kvm 0.15.0
it will always directly boot from the hardrive and not from cdrom or
network.
is this on purpose? the behaviour was different in earlier versions.
If i omit the boot=yes in the drive specification the "-boot order"
parameter is working
as expected.
This is the qemu doc file:
http://qemu.weilnetz.de/qemu-doc.html
and this is qemu-kvm man page:
http://linux.die.net/man/1/qemu-kvm
I have never seen the boot=yes as an option to the argument -drive. I
have also checked on previous versions of qemu and I haven't seen it
so I'm puzzled why it should have worked in the first instance.
-drive [file=file][,if=type][,bus=n][,unit=m][,media=d][,index=i]
[,cyls=c,heads=h,secs=s[,trans=t]][,snapshot=on|off]
[,cache=writethrough|writeback|none|unsafe][,format=f]
[,serial=s][,addr=A][,id=name][,aio=threads|native]
[,readonly=on|off][,boot=on|off]
use 'file' as a drive image
you cannot boot e.g. from a virtio_blk device without this flag.
it seems that the if the extboot option rom is loaded the
specified boot order is ignored.
peter
[ BTW this question would be better suited to a qemu-users mailing
list or forum... if there was one... ]