Public bug reported:

After an upgrade from 10.04 LTS to 10.10 KVM-guests hang on boot. WinXP
SP3 shows the XP-logo and the blue bar rolls back and forth, the ubuntu
guest stops after printing "starting up . . . ".

Both guests consume a steady 50% CPU as shown by virt-managar. This goes
on forever without changing (days).

The kernel supplied with Maverick was linux-image-2.6.35-22-generic-pae,
I then booted the previous 2.6.32-24-generic-pae and now the guests boot
up normally.

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: linux-image-2.6.35-22-generic-pae 2.6.35-22.34
Regression: Yes
Reproducible: Yes
ProcVersionSignature: Ubuntu 2.6.32-24.43-generic-pae 2.6.32.15+drm33.5
Uname: Linux 2.6.32-24-generic-pae i686
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
Architecture: i386
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  harald     2787 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'SB'/'HDA ATI SB at 0xfe020000 irq 16'
   Mixer name   : 'Realtek ALC883'
   Components   : 'HDA:10ec0883,10438232,00100002'
   Controls      : 38
   Simple ctrls  : 21
Date: Tue Oct 19 13:27:44 2010
HibernationDevice: RESUME=UUID=d16415aa-874a-d994-9dc4-0ef5dc4d9f9f
MachineType: System manufacturer System Product Name
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-24-generic-pae 
root=UUID=7899d2f7-30de-4300-8662-b93a88520a57 ro noquiet nosplash
RelatedPackageVersions: linux-firmware 1.38
RfKill:
 
SourcePackage: linux
WpaSupplicantLog:
 
dmi.bios.date: 10/09/2007
dmi.bios.vendor: Phoenix Technologies, LTD
dmi.bios.version: ASUS M2A-VM ACPI BIOS Revision 1404
dmi.board.name: M2A-VM
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: 1.XX
dmi.chassis.asset.tag: 123456789000
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: 
dmi:bvnPhoenixTechnologies,LTD:bvrASUSM2A-VMACPIBIOSRevision1404:bd10/09/2007:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnM2A-VM:rvr1.XX:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer

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


** Tags: apport-bug i386 kernel-config maverick needs-upstream-testing 
regression-release

-- 
Upgrade to Maverick breaks KVM
https://bugs.launchpad.net/bugs/663191
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