kernel BUG at /build/buildd/linux-3.0.0/arch/x86/kvm/../../../virt/kvm/kvm_main.c:2275!

I just run "kvm" from a terminal and everything went nuts

ProblemType: KernelOops
DistroRelease: Ubuntu 11.10
Package: linux-image-3.0.0-11-generic 3.0.0-11.18
ProcVersionSignature: Ubuntu 3.0.0-11.18-generic 3.0.4
Uname: Linux 3.0.0-11-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
Annotation: Your system might become unstable now and might need to be restarted.
AplayDevices:
 **** List of PLAYBACK Hardware Devices ****
 card 0: SB [HDA ATI SB], device 0: ALC260 Analog [ALC260 Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
ApportVersion: 1.23-0ubuntu1
Architecture: amd64
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: SB [HDA ATI SB], device 0: ALC260 Analog [ALC260 Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: salva 1773 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'SB'/'HDA ATI SB at 0xd8b00000 irq 16'
   Mixer name : 'Realtek ALC260'
   Components : 'HDA:10ec0260,103c280a,00100400'
   Controls : 21
   Simple ctrls : 12
Date: Wed Sep 21 11:48:49 2011
Failure: oops
HibernationDevice: RESUME=/dev/sda6
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Alpha amd64 (20091209)
MachineType: Hewlett-Packard HP Compaq dc5750 Small Form Factor
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-11-generic root=UUID=564eb7dd-0d11-4482-b882-f3794a37eb34 ro quiet splash vt.handoff=7
PulseSinks: Error: command ['pacmd', 'list-sinks'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
PulseSources: Error: command ['pacmd', 'list-sources'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions: kerneloops-daemon 0.12+git20090217-1ubuntu14
RfKill:
 0: hci0: Bluetooth
  Soft blocked: no
  Hard blocked: no
SourcePackage: linux
Title: kernel BUG at /build/buildd/linux-3.0.0/arch/x86/kvm/../../../virt/kvm/kvm_main.c:2275!
UpgradeStatus: Upgraded to oneiric on 2011-07-19 (63 days ago)
dmi.bios.date: 04/18/2007
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 786E3 v02.22
dmi.board.name: 0A64h
dmi.board.vendor: Hewlett-Packard
dmi.chassis.asset.tag: CZC7470F1G
dmi.chassis.type: 4
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: dmi:bvnHewlett-Packard:bvr786E3v02.22:bd04/18/2007:svnHewlett-Packard:pnHPCompaqdc5750SmallFormFactor:pvr:rvnHewlett-Packard:rn0A64h:rvr:cvnHewlett-Packard:ct4:cvr:
dmi.product.name: HP Compaq dc5750 Small Form Factor
dmi.sys.vendor: Hewlett-Packard