WARNING: at /build/buildd/linux-2.6.35/ubuntu/aufs/plink.c:332 au_plink_append 0x274/0x2e0 [aufs]()

This error occurred in a live boot of Ubuntu 10.10 RC, running Gnome 3. Nothing seems unstable.

ProblemType: KernelOops
DistroRelease: Ubuntu 10.10
Package: linux-image-2.6.35-22-generic 2.6.35-22.33
Regression: Yes
Reproducible: No
ProcVersionSignature: Ubuntu 2.6.35-22.33-generic 2.6.35.4
Uname: Linux 2.6.35-22-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
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xfea78000 irq 44'
   Mixer name : 'Realtek ALC888'
   Components : 'HDA:10ec0888,14627529,00100202'
   Controls : 25
   Simple ctrls : 15
Date: Sat Oct 9 20:43:06 2010
Failure: oops
Frequency: This has only happened once.
IwConfig:
 lo no wireless extensions.

 eth0 no wireless extensions.
LiveMediaBuild: Ubuntu 10.10 "Maverick Meerkat" - Release Candidate i386 (20100928)
MachineType: MICRO-STAR INTERNATIONAL CO.,LTD MS-7529
ProcCmdLine: noprompt cdrom-detect/try-usb=true persistent file=/cdrom/preseed/hostname.seed boot=casper initrd=/casper/initrd.lz quiet splash --
RelatedPackageVersions: linux-firmware 1.38
RfKill:

SourcePackage: linux
Title: WARNING: at /build/buildd/linux-2.6.35/ubuntu/aufs/plink.c:332 au_plink_append+0x274/0x2e0 [aufs]()
dmi.bios.date: 11/25/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: V4.4
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: G31TM-P21 (MS-7529)
dmi.board.vendor: MICRO-STAR INTERNATIONAL CO.,LTD
dmi.board.version: 1.0
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: MICRO-STAR INTERNATIONAL CO.,LTD
dmi.chassis.version: 1.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrV4.4:bd11/25/2009:svnMICRO-STARINTERNATIONALCO.,LTD:pnMS-7529:pvr1.0:rvnMICRO-STARINTERNATIONALCO.,LTD:rnG31TM-P21(MS-7529):rvr1.0:cvnMICRO-STARINTERNATIONALCO.,LTD:ct3:cvr1.0:
dmi.product.name: MS-7529
dmi.product.version: 1.0
dmi.sys.vendor: MICRO-STAR INTERNATIONAL CO.,LTD