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[Qemu-devel] RFH: boot from virtio cdrom?
From: |
Philipp Hahn |
Subject: |
[Qemu-devel] RFH: boot from virtio cdrom? |
Date: |
Thu, 6 Jun 2013 17:10:42 +0200 |
User-agent: |
KMail/1.13.7 (Linux/3.2.0-4-amd64; KDE/4.8.4; x86_64; ; ) |
Hello,
I'm using libvirt to manage my VMs and configured one VM to boot from a CDROM
connected via virtio.
This does neither work with QEMU-1.1.2 nor with QEMU-1.5; neither with SeaBIOS
is 1.7.0 nor 1.7.2.
/root/qemu-1.5.0+dfsg/qemu-build/x86_64-softmmu/qemu-system-x86_64 \
-M pc-1.1 \
-enable-kvm \
-m 1024 \
-smp 1,sockets=1,cores=1,threads=1 \
-name ucs31-64-xxx \
-uuid 1dae3236-23e8-c87f-ec7b-9f82060fcc72 \
-nodefconfig -nodefaults \
-chardev
socket,id=charmonitor,path=/var/lib/libvirt/qemu/ucs31-64-xxx.monitor,server,nowait
\
-mon chardev=charmonitor,id=monitor,mode=control -rtc base=utc \
-no-shutdown \
-device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
-drive
file=/var/lib/libvirt/images/ucs31-64-xxx-0.qcow2,if=none,id=drive-virtio-disk0,format=qcow2,cache=unsafe
\
-device
virtio-blk-pci,scsi=off,bus=pci.0,addr=0x4,drive=drive-virtio-disk0,id=virtio-disk0
\
-drive
file=/root/ucs-3.2-0/./virtualization/univention-kvm-virtio/virtio-win-0.1-30.iso,if=none,media=cdrom,id=drive-virtio-disk1,readonly=on,format=raw
\
-device
virtio-blk-pci,scsi=off,bus=pci.0,addr=0x6,drive=drive-virtio-disk1,id=virtio-disk1,bootindex=1
\
-device usb-tablet,id=input0 \
-vga cirrus \
-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x5 \
-sdl
Is this supposed to work or must a bootable CDROM use the ide bus?
I ask because if this is not supposed to work, I need to modify our admin to to
prevent CDROMs from being added through virtio by default; later on when Linux
is installed, the CDROM works fine through virtio.
Sincerely
Philipp
--
Philipp Hahn Open Source Software Engineer address@hidden
Univention GmbH be open. fon: +49 421 22 232- 0
Mary-Somerville-Str.1 D-28359 Bremen fax: +49 421 22 232-99
http://www.univention.de/
- [Qemu-devel] RFH: boot from virtio cdrom?,
Philipp Hahn <=