WARNING: at /build/buildd/linux-2.6.32/kernel/softirq.c:143 local_bh_enable_ip+0x61/0x90()

[Natim]

gnome-session crashed and when I came back, it get this error.
Probably it is when nm-applet restart that I get this problem, since I have the same after a hibernate or a deconnection and reconnection to a WIFI network.

ProblemType: KernelOops
DistroRelease: Ubuntu 10.04
Package: linux-image-2.6.32-21-generic 2.6.32-21.31
Regression: Yes
Reproducible: No
ProcVersionSignature: Ubuntu 2.6.32-21.31-generic 2.6.32.11+drm33.2
Uname: Linux 2.6.32-21-generic i686
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
Annotation: Your system might become unstable now and might need to be restarted.
Architecture: i386
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: root 1326 F.... pommed
                      rhubscher 3284 F.... pulseaudio
CRDA: Error: [Errno 2] Aucun fichier ou dossier de ce type
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0x9b500000 irq 20'
   Mixer name : 'Realtek ALC889A'
   Components : 'HDA:10ec0885,106b2c00,00100103'
   Controls : 33
   Simple ctrls : 19
Date: Thu Apr 15 08:12:34 2010
Failure: oops
Frequency: Once a day.
HibernationDevice: RESUME=UUID=e7db1f46-aa2d-47eb-9d8b-776a1719c2ca
MachineType: Apple Inc. MacBookPro3,1
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-21-generic root=UUID=c79f7089-b902-4be6-af53-90f9c9b4b066 ro quiet splash
RelatedPackageVersions: linux-firmware 1.34
SourcePackage: linux
Title: WARNING: at /build/buildd/linux-2.6.32/kernel/softirq.c:143 local_bh_enable_ip+0x61/0x90()
WifiSyslog:

dmi.bios.date: 03/05/08
dmi.bios.vendor: Apple Inc.
dmi.bios.version: MBP31.88Z.0070.B07.0803051658
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: Mac-F4238BC8
dmi.board.vendor: Apple Inc.
dmi.board.version: PVT
dmi.chassis.asset.tag: Asset Tag#
dmi.chassis.type: 2
dmi.chassis.vendor: Apple Inc.
dmi.chassis.version: Mac-F4238BC8
dmi.modalias: dmi:bvnAppleInc.:bvrMBP31.88Z.0070.B07.0803051658:bd03/05/08:svnAppleInc.:pnMacBookPro3,1:pvr1.0:rvnAppleInc.:rnMac-F4238BC8:rvrPVT:cvnAppleInc.:ct2:cvrMac-F4238BC8:
dmi.product.name: MacBookPro3,1
dmi.product.version: 1.0
dmi.sys.vendor: Apple Inc.