WARNING: at /build/buildd/linux-2.6.38/kernel/power/suspend_test.c:53 suspend_test_finish 0x89/0x90()

kernel panic after an update wich could be uncomplete (went into sleep and couldnt be waked up)

ProblemType: KernelOops
DistroRelease: Ubuntu 11.04
Package: linux-image-2.6.38-8-generic 2.6.38-8.42
Regression: Yes
Reproducible: No
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Annotation: Your system might become unstable now and might need to be restarted.
AplayDevices:
 **** List of PLAYBACK Hardware Devices ****
 card 0: SI7012 [SiS SI7012], device 0: Intel ICH [SiS SI7012]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
Architecture: i386
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: wodam 1769 F.... pulseaudio
CRDA: Error: [Errno 2] Bestand of map bestaat niet
Card0.Amixer.info:
 Card hw:0 'SI7012'/'SiS SI7012 with AD1980 at irq 18'
   Mixer name : 'Analog Devices AD1980'
   Components : 'AC97a:41445370'
   Controls : 46
   Simple ctrls : 32
CurrentDmesg:
 [ 68.538422] vboxdrv: Found 1 processor cores.
 [ 68.546801] vboxdrv: TSC mode is 'synchronous', kernel timer mode is 'normal'.
 [ 68.546810] vboxdrv: Successfully loaded version 4.0.4_OSE (interface 0x00160000).
Date: Sun Apr 17 20:00:16 2011
Failure: oops
Frequency: This has only happened once.
HibernationDevice: RESUME=UUID=a5bae724-bb46-48da-a8f9-31a9511ed72b
IwConfig:
 lo no wireless extensions.

 eth0 no wireless extensions.

 vboxnet0 no wireless extensions.
Lsusb:
 Bus 003 Device 002: ID 046d:c517 Logitech, Inc. LX710 Cordless Desktop Laser
 Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 001 Device 003: ID 058f:6362 Alcor Micro Corp. Flash Card Reader/Writer
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: System Manufacturer System Name
ProcKernelCmdLine: root=UUID=8d9376a6-3c6e-4a14-9171-ce22eff7a76c ro quiet splash
RelatedPackageVersions:
 linux-restricted-modules-2.6.38-8-generic N/A
 linux-backports-modules-2.6.38-8-generic N/A
 linux-firmware 1.50
RfKill:

SourcePackage: linux
Title: WARNING: at /build/buildd/linux-2.6.38/kernel/power/suspend_test.c:53 suspend_test_finish+0x89/0x90()
UpgradeStatus: Upgraded to natty on 2011-04-05 (11 days ago)
WpaSupplicantLog:

dmi.bios.date: 01/24/2003
dmi.bios.vendor: Award Software, Inc.
dmi.bios.version: ASUS P4S8X-X ACPI BIOS Revision 1002
dmi.board.name: P4S8X-X
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: REV 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 7
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnAwardSoftware,Inc.:bvrASUSP4S8X-XACPIBIOSRevision1002:bd01/24/2003:svnSystemManufacturer:pnSystemName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP4S8X-X:rvrREV1.xx:cvnChassisManufacture:ct7:cvrChassisVersion:
dmi.product.name: System Name
dmi.product.version: System Version
dmi.sys.vendor: System Manufacturer