WARNING: at /build/buildd/linux-2.6.38/net/sched/sch_generic.c:256 dev_watchdog+0x213/0x220()

I was in web
Asus eeePC 1005 HAG with a touchscreen, bluetooth mouse, and ethernet in use.

ProblemType: KernelOops
DistroRelease: Ubuntu 11.04
Package: linux-image-2.6.38-7-generic 2.6.38-7.39
Regression: Yes
Reproducible: No
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.
AplayDevices:
 **** List of PLAYBACK Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: ALC269 Analog [ALC269 Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
Architecture: i386
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: ALC269 Analog [ALC269 Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: quentin 1557 F.... pulseaudio
 /dev/snd/seq: timidity 1301 F.... timidity
CRDA: Error: [Errno 2] Aucun fichier ou dossier de ce type
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xf7db8000 irq 45'
   Mixer name : 'Realtek ALC269'
   Components : 'HDA:10ec0269,10438398,00100004'
   Controls : 10
   Simple ctrls : 6
Date: Fri Apr 1 14:06:22 2011
Failure: oops
Frequency: This has only happened once.
HibernationDevice: RESUME=UUID=f4225e68-df26-47ef-9b27-81e3c062ca99
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha i386 (20110131)
MachineType: ASUSTeK Computer INC. 1005HAG
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-7-generic root=UUID=4325dd3d-6a82-48af-98dc-6787e78b7b0a ro quiet splash acpi_osi=Linux 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/net/sched/sch_generic.c:256 dev_watchdog+0x213/0x220()
UpgradeStatus: Upgraded to natty on 2011-02-18 (41 days ago)
dmi.bios.date: 10/23/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0202
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: 1005HAG
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: x.xx
dmi.chassis.asset.tag: 0x00000000
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK Computer INC.
dmi.chassis.version: x.x
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0202:bd10/23/2009:svnASUSTeKComputerINC.:pn1005HAG:pvrx.x:rvnASUSTeKComputerINC.:rn1005HAG:rvrx.xx:cvnASUSTeKComputerINC.:ct10:cvrx.x:
dmi.product.name: 1005HAG
dmi.product.version: x.x
dmi.sys.vendor: ASUSTeK Computer INC.