BUG: scheduling while atomic: swapper/0/0x10010000

[Daniel]

...

ProblemType: KernelOops
Annotation: Your system might become unstable now and might need to be restarted.
Architecture: i386
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: mestre 2438 F.... pulseaudio
CRDA: Error: [Errno 2] Arquivo ou diretório não encontrado
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xfe9fc000 irq 21'
   Mixer name : 'SigmaTel STAC9228'
   Components : 'HDA:83847616,10280227,00100201 HDA:14f12c06,14f1000f,00100000'
   Controls : 29
   Simple ctrls : 19
Date: Sat Oct 31 12:47:12 2009
DistroRelease: Ubuntu 9.10
Failure: oops
HibernationDevice: RESUME=UUID=5d756c3e-4421-4992-84ac-3edbd16b0aad
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
MachineType: Dell Inc. Vostro 1400
Package: linux-image-2.6.31-14-generic 2.6.31-14.48
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.31-14-generic root=UUID=80ad0cf2-d5e4-4562-9821-c77afb17308d ro quiet splash
ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
RelatedPackageVersions:
 linux-backports-modules-2.6.31-14-generic N/A
 linux-firmware 1.24
SourcePackage: linux
Tags: kernel-oops
Title: BUG: scheduling while atomic: swapper/0/0x10010000
Uname: Linux 2.6.31-14-generic i686
dmi.bios.date: 02/03/2008
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A07
dmi.board.name: 0TT347
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA07:bd02/03/2008:svnDellInc.:pnVostro1400:pvr:rvnDellInc.:rn0TT347:rvr:cvnDellInc.:ct8:cvr:
dmi.product.name: Vostro 1400
dmi.sys.vendor: Dell Inc.