thinkpad_acpi: WARNING: sysfs attribute hotkey_enable is deprecated and will be removed. Hotkey reporting is always enabled

[rolfc]

It occured at start after apt-get update

ProblemType: KernelOops
DistroRelease: Ubuntu 11.04
Package: linux-image-2.6.38-7-generic 2.6.38-7.38
Regression: Yes
Reproducible: No
ProcVersionSignature: Ubuntu 2.6.38-7.38-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: rolfc 2584 F.... pulseaudio
CRDA: Error: [Errno 2] Filen eller katalogen finns inte
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xee400000 irq 47'
   Mixer name : 'Analog Devices AD1981'
   Components : 'HDA:11d41981,17aa2060,00100200'
   Controls : 21
   Simple ctrls : 12
Card29.Amixer.info:
 Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw 7FHT26WW-1.08'
   Mixer name : 'ThinkPad EC 7FHT26WW-1.08'
   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 13 [93%] [off]
Date: Sat Mar 19 22:00:51 2011
Failure: oops
Frequency: This has only happened once.
HibernationDevice: RESUME=UUID=762056a5-0771-4878-8a5b-9b74de234591
MachineType: LENOVO 0674KSG
OopsText:
 thinkpad_acpi: WARNING: sysfs attribute hotkey_enable is deprecated and will be removed. Hotkey reporting is always enabled
 thinkpad_acpi: deprecated sysfs attribute: access by process with PID 16304
 thinkpad_acpi: WARNING: sysfs attribute hotkey_bios_mask is deprecated and will be removed. This attribute is useless.
 thinkpad_acpi: deprecated sysfs attribute: access by process with PID 16304
 thinkpad_acpi: WARNING: sysfs attribute bluetooth_enable is deprecated and will be removed. Please switch to generic rfkill before year 2010
PccardctlIdent:
 Socket 0:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
ProcKernelCmdLine: root=UUID=a8c8fbe6-2b3a-4585-ac9b-eefc7ce7909f ro quiet
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: thinkpad_acpi: WARNING: sysfs attribute hotkey_enable is deprecated and will be removed. Hotkey reporting is always enabled
UpgradeStatus: Upgraded to natty on 2010-12-17 (98 days ago)
WpaSupplicantLog:

dmi.bios.date: 08/26/2009
dmi.bios.vendor: LENOVO
dmi.bios.version: 7FETA9WW (2.27 )
dmi.board.name: 0674KSG
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:bvr7FETA9WW(2.27):bd08/26/2009:svnLENOVO:pn0674KSG:pvrThinkPadZ61p:rvnLENOVO:rn0674KSG:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 0674KSG
dmi.product.version: ThinkPad Z61p
dmi.sys.vendor: LENOVO