Kernel ops after booting in X

[Andreas]

Could be related to the nvidia driver on a dell laptom with 4200m chip...
But was in encryptfs as my hoem dir is encrypted

ProblemType: KernelOops
DistroRelease: Ubuntu 11.10
Package: linux-image-3.0.0-11-generic 3.0.0-11.18
ProcVersionSignature: Ubuntu 3.0.0-11.18-generic 3.0.4
Uname: Linux 3.0.0-11-generic x86_64
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
Annotation: Your system might become unstable now and might need to be restarted.
ApportVersion: 1.23-0ubuntu1
Architecture: amd64
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: PCH [HDA Intel PCH], device 0: STAC92xx Analog [STAC92xx Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC1: andreasr 1745 F.... pulseaudio
 /dev/snd/controlC0: andreasr 1745 F.... pulseaudio
CRDA: Error: [Errno 2] Datei oder Verzeichnis nicht gefunden
Card0.Amixer.info:
 Card hw:0 'PCH'/'HDA Intel PCH at 0xe6760000 irq 44'
   Mixer name : 'IDT 92HD90BXX'
   Components : 'HDA:111d76e7,10280493,00100102'
   Controls : 15
   Simple ctrls : 10
Card1.Amixer.info:
 Card hw:1 'NVidia'/'HDA NVidia at 0xe5080000 irq 17'
   Mixer name : 'Nvidia GPU 1c HDMI/DP'
   Components : 'HDA:10de001c,10280493,00100100'
   Controls : 4
   Simple ctrls : 1
Card1.Amixer.values:
 Simple mixer control 'IEC958',0
   Capabilities: pswitch pswitch-joined penum
   Playback channels: Mono
   Mono: Playback [on]
Date: Tue Sep 20 11:14:04 2011
Failure: oops
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110901)
MachineType: Dell Inc. Latitude E6420
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-11-generic root=UUID=49bac10a-a441-4140-a627-f0587be6794d ro splash quiet quiet splash vt.handoff=7
PulseSinks: Error: command ['pacmd', 'list-sinks'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
PulseSources: Error: command ['pacmd', 'list-sources'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions: kerneloops-daemon 0.12+git20090217-1ubuntu14
SourcePackage: linux
StagingDrivers: mei
Title: kernel BUG at /build/buildd/linux-3.0.0/fs/ecryptfs/crypto.c:348!
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/13/2011
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A02
dmi.board.name: 032T9K
dmi.board.vendor: Dell Inc.
dmi.board.version: A01
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA02:bd04/13/2011:svnDellInc.:pnLatitudeE6420:pvr01:rvnDellInc.:rn032T9K:rvrA01:cvnDellInc.:ct9:cvr:
dmi.product.name: Latitude E6420
dmi.product.version: 01
dmi.sys.vendor: Dell Inc.