[Bug 720426] [NEW] libvirt fails to run vm's with virtio disks and a kernel

[Soren Hansen]

Public bug reported:

Since qemu 0.14 landed, I can no longer run virtual machines if I use
virtio for the disk and specify a kernel in the libvirt.xml.

I get this in my /var/log/libvirt/qemu/blah.log:

LC_ALL=C PATH=/usr/local/sbin:/usr/local/bin:/usr/bin:/usr/sbin:/sbin:/bin /usr/bin/kvm -S -M pc-0.13 -enable-kvm -m 512 -smp 1,sockets=1,cores=1,threads=1 -name instance-00000005 -uuid f6259d2b-af3e-1840-078c-bd0ac8d4df57 -nographic -nodefconfig -nodefaults -chardev socket,id=monitor,path=/var/lib/libvirt/qemu/instance-00000005.monitor,server,nowait -mon chardev=monitor,mode=readline -rtc base=utc -boot c -kernel /var/lib/nova/instances/instance-00000005/kernel -append root=/dev/vda console=ttyS0 -drive file=/var/lib/nova/instances/instance-00000005/disk,if=none,id=drive-virtio-disk0,boot=on,format=qcow2 -device virtio-blk-pci,bus=pci.0,addr=0x3,drive=drive-virtio-disk0,id=virtio-disk0 -netdev tap,fd=37,id=hostnet0 -device rtl8139,netdev=hostnet0,id=net0,mac=02:16:3e:6d:72:51,bus=pci.0,addr=0x2 -chardev file,id=serial0,path=/var/lib/nova/instances/instance-00000005/console.log -device isa-serial,chardev=serial0 -chardev pty,id=serial1 -device isa-serial,chardev=serial1 -usb -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x4 
char device redirected to /dev/pts/0
Two devices with same boot index 0


https://www.redhat.com/archives/libvir-list/2011-February/msg00559.html

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: libvirt0 0.8.5-0ubuntu5
ProcVersionSignature: Ubuntu 2.6.38-3.30-generic 2.6.38-rc4
Uname: Linux 2.6.38-3-generic x86_64
Architecture: amd64
Date: Wed Feb 16 23:39:53 2011
EcryptfsInUse: Yes
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Alpha amd64 (20100202)
ProcEnviron:
 LANGUAGE=da_DK:da:en_GB:en
 PATH=(custom, user)
 LANG=da_DK.UTF-8
 LC_MESSAGES=da_DK.utf8
 SHELL=/bin/bash
SourcePackage: libvirt

** Affects: libvirt (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug natty running-unity unity-2d

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https://bugs.launchpad.net/bugs/720426

Title:
  libvirt fails to run vm's with virtio disks and a kernel