See the further description of Bug #606114 to see what went wrong here. However, this is slightly different: I got up to the partitioning stage in Ubiquity when this happened.
ProblemType: KernelOops
DistroRelease: Ubuntu 10.10
Package: linux-image-2.6.34-5-generic 2.6.34-5.14
Regression: No
Reproducible: No
ProcVersionSignature: Ubuntu 2.6.34-5.14-generic 2.6.34
Uname: Linux 2.6.34-5-generic i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.22.1.
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: ALC268 Analog [ALC268 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
Architecture: i386
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC268 Analog [ALC268 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
Cannot stat file /proc/2671/fd/40: Stale NFS file handle
USER PID ACCESS COMMAND
/dev/snd/controlC0: ubuntu 2686 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0x58540000 irq 29'
Mixer name : 'Realtek ALC268'
Components : 'HDA:10ec0268,1025015b,00100101'
Controls : 8
Simple ctrls : 5
Date: Thu Jul 15 20:52:30 2010
Failure: oops
Frequency: This has only happened once.
LiveMediaBuild: Ubuntu 10.10 "Maverick Meerkat" - Alpha i386 (20100605)
MachineType: Acer AOA110
ProcCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/hostname.seed boot=casper initrd=/casper/initrd.lz quiet splash --
RelatedPackageVersions: linux-firmware 1.36
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
SourcePackage: linux
Title: kernel BUG at /build/buildd/linux-2.6.34/fs/btrfs/tree-log.c:810!
dmi.bios.date: 10/06/2008
dmi.bios.vendor: Acer
dmi.bios.version: v0.3309
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.vendor: Acer
dmi.board.version: Base Board Version
dmi.chassis.type: 1
dmi.chassis.vendor: Chassis Manufacturer
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnAcer:bvrv0.3309:bd10/06/2008:svnAcer:pnAOA110:pvr1:rvnAcer:rn:rvrBaseBoardVersion:cvnChassisManufacturer:ct1:cvrChassisVersion:
dmi.product.name: AOA110
dmi.product.version: 1
dmi.sys.vendor: Acer
