Re: [Qemu-devel] [Bug 1305402] Re: libvirt fails to start VirtualMachines

[Ryan Harper <1305402@bugs.launchpad.net>]

Machine type changes may be related to:

https://bugs.launchpad.net/ubuntu/+source/qemu/+bug/1626070

There's a PPA in the bug with a fix for at least the wily machine type.

On Thu, Sep 22, 2016 at 6:05 PM, Leo Arias <leo.arias@canonical.com>
wrote:

> This has just happened to me. For some reason, all my machines had
> machine='pc-i440fx-wily'.
> After an update in yakkety, they stopped working.
>
> $ qemu-system-x86_64 -enable-kvm -machine help | grep wily
>
> So I updated the machine xml to a supported machine as Charles
> suggested, and they work again.
>
> Here's the note for my future self about how to do the update:
>
> $ virsh dumpxml $machine-name > /tmp/machine.xml
> Edit the xml.
> $ virsh define /tmp/machine.xml
>
> --
> You received this bug notification because you are subscribed to qemu in
> Ubuntu.
> https://bugs.launchpad.net/bugs/1305402
>
> Title:
>   libvirt fails to start VirtualMachines
>
> To manage notifications about this bug go to:
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https://bugs.launchpad.net/bugs/1305402

Title:
  libvirt fails to start VirtualMachines

Status in QEMU:
  Invalid
Status in libvirt package in Ubuntu:
  Confirmed
Status in qemu package in Ubuntu:
  Confirmed

Bug description:
  I've created several kvm based machines using virtual machine manager.
  They have operated well over the last 4 days without issue. I did an
  apt-get upgrade, and qemu was in the list of updates.

  After upgrading, I am unable to start any of the provisioned virtual
  machines with the following error output

  virsh # start node2
  error: Failed to start domain node2
  error: internal error: process exited while connecting to monitor: qemu-system-x86_64: -machine trusty,accel=kvm,usb=off: Unsupported machine type
  Use -machine help to list supported machines!

  virsh # start node3
  error: Failed to start domain node3
  error: internal error: process exited while connecting to monitor: qemu-system-x86_64: -machine trusty,accel=kvm,usb=off: Unsupported machine type
  Use -machine help to list supported machines!

  $ dpkg -l | grep kvm
  ii  qemu-kvm                             2.0.0~rc1+dfsg-0ubuntu3             amd64        QEMU Full virtualization on x86 hardware (transitional package)

  Log snippet from vm 'media' that was verified working, and fails to
  start after the upgrade.

  LC_ALL=C PATH=/usr/local/sbin:/usr/local/bin:/usr/bin:/usr/sbin:/sbin:/bin QEMU_AUDIO_DRV=none /usr/bin/kvm-spice -name media -S -machine trusty,accel=kvm,usb=off -m 1548 -realtime mlock=off -smp 1,sockets=1,cores=1,threads=1 -uuid 60b20f7b-6d20-bcb3-f4fc-808a9b2fe0d0 -no-user-config -nodefaults -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/media.monitor,server,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=utc -no-shutdown -boot menu=off,strict=on -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 -drive file=/var/lib/libvirt/images/media.img,if=none,id=drive-virtio-disk0,format=raw -device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x4,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1 -drive file=/home/charles/iso/ubuntu-desktop-12.04.4-amd64.iso,if=none,id=drive-ide0-1-0,readonly=on,format=raw -device ide-cd,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0 -netdev tap,fd=24,id=hostnet0,vhost=on,vhostfd=26 -device virtio-net-pci,netdev=hostnet0,id=net0,mac=52:54:00:a0:69:d9,bus=pci.0,addr=0x3 -chardev pty,id=charserial0 -device isa-serial,chardev=charserial0,id=serial0 -vnc 127.0.0.1:1 -device cirrus-vga,id=video0,bus=pci.0,addr=0x2 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x5
  char device redirected to /dev/pts/13 (label charserial0)
  qemu: terminating on signal 15 from pid 31688
  2014-04-10 03:36:54.593+0000: shutting down
  2014-04-10 03:59:25.487+0000: starting up
  LC_ALL=C PATH=/usr/local/sbin:/usr/local/bin:/usr/bin:/usr/sbin:/sbin:/bin QEMU_AUDIO_DRV=none /usr/bin/kvm-spice -name media -S -machine trusty,accel=kvm,usb=off -m 1548 -realtime mlock=off -smp 1,sockets=1,cores=1,threads=1 -uuid 60b20f7b-6d20-bcb3-f4fc-808a9b2fe0d0 -no-user-config -nodefaults -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/media.monitor,server,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=utc -no-shutdown -boot menu=off,strict=on -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 -drive file=/var/lib/libvirt/images/media.img,if=none,id=drive-virtio-disk0,format=raw -device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x4,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1 -drive file=/home/charles/iso/ubuntu-desktop-12.04.4-amd64.iso,if=none,id=drive-ide0-1-0,readonly=on,format=raw -device ide-cd,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0 -netdev tap,fd=24,id=hostnet0,vhost=on,vhostfd=25 -device virtio-net-pci,netdev=hostnet0,id=net0,mac=52:54:00:a0:69:d9,bus=pci.0,addr=0x3 -chardev pty,id=charserial0 -device isa-serial,chardev=charserial0,id=serial0 -vnc 127.0.0.1:0 -device cirrus-vga,id=video0,bus=pci.0,addr=0x2 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x5
  qemu-system-x86_64: -machine trusty,accel=kvm,usb=off: Unsupported machine type
  Use -machine help to list supported machines!
  2014-04-10 03:59:25.696+0000: shutting down

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