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

I just put the PC to standby by closing the lid and open it again by opening a lid.
This happens every time (it seems it is not the same component every time)

ProblemType: KernelOops
DistroRelease: Ubuntu 11.04
Package: linux-image-2.6.38-7-generic 2.6.38-7.39
Regression: Yes
Reproducible: Yes
ProcVersionSignature: Ubuntu 2.6.38-7.39-generic 2.6.38
Uname: Linux 2.6.38-7-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.
Architecture: i386
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: AD198x Analog [AD198x Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: builder 1612 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xee240000 irq 47'
   Mixer name : 'Analog Devices AD1981'
   Components : 'HDA:11d41981,17aa2025,00100200'
   Controls : 20
   Simple ctrls : 11
Card29.Amixer.info:
 Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw 7BHT40WW-1.13'
   Mixer name : 'ThinkPad EC 7BHT40WW-1.13'
   Components : ''
   Controls : 2
   Simple ctrls : 1
Card29.Amixer.values:
 Simple mixer control 'Console',0
   Capabilities: pvolume pvolume-joined pswitch pswitch-joined penum
   Playback channels: Mono
   Limits: Playback 0 - 14
   Mono: Playback 14 [100%] [off]
Date: Fri Apr 8 19:21:59 2011
Failure: oops
HibernationDevice: RESUME=UUID=6c7047cd-e589-4a29-a001-1d8451579474
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
MachineType: LENOVO 1706Y63
PccardctlIdent:
 Socket 0:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-7-generic root=UUID=17ea65a2-9578-4816-9403-9309c40fdd11 ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-2.6.38-7-generic N/A
 linux-backports-modules-2.6.38-7-generic N/A
 linux-firmware 1.49
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 2011-04-07 (0 days ago)
dmi.bios.date: 07/26/2007
dmi.bios.vendor: LENOVO
dmi.bios.version: 7BETD1WW (2.12 )
dmi.board.name: 1706Y63
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr7BETD1WW(2.12):bd07/26/2007:svnLENOVO:pn1706Y63:pvrThinkPadX60:rvnLENOVO:rn1706Y63:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 1706Y63
dmi.product.version: ThinkPad X60
dmi.sys.vendor: LENOVO