.779510] thinkpad_acpi: WARNING: This firmware may be missing critical bug fixes and/or important features

Will upgrade BIOS to see if problem gets resolved.

ProblemType: KernelOops
DistroRelease: Ubuntu 11.04
Package: linux-image-2.6.38-8-generic 2.6.38-8.42
Regression: Yes
Reproducible: Yes
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.
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: zenster 1527 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xee400000 irq 48'
   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 79HT50WW-1.07'
   Mixer name : 'ThinkPad EC 79HT50WW-1.07'
   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%] [on]
Date: Wed Apr 13 17:41:23 2011
Failure: oops
HibernationDevice: RESUME=UUID=1cdaa17e-022a-4fb8-b23a-af484cfacd1b
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
MachineType: LENOVO 2623D6U
PccardctlIdent:
 Socket 0:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-8-generic root=UUID=b9290aae-6a52-41f2-a3c4-47c85763f4ac ro quiet splash vt.handoff=7
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
SourcePackage: linux
Title: .779510] thinkpad_acpi: WARNING: This firmware may be missing critical bug fixes and/or important features
UpgradeStatus: Upgraded to natty on 2011-04-13 (0 days ago)
dmi.bios.date: 04/16/2008
dmi.bios.vendor: LENOVO
dmi.bios.version: 79ETE2WW (2.22 )
dmi.board.name: 2623D6U
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:bvr79ETE2WW(2.22):bd04/16/2008:svnLENOVO:pn2623D6U:pvrThinkPadT60:rvnLENOVO:rn2623D6U:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 2623D6U
dmi.product.version: ThinkPad T60
dmi.sys.vendor: LENOVO