It looks like this has been fixed upstream. I will close it. If the problem still occurs, please reopen it.
** Changed in: linux (Ubuntu) Status: Triaged => Invalid -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/921675 Title: [btrfs] BUG: unable to handle kernel NULL pointer dereference at (null) Status in linux package in Ubuntu: Invalid Bug description: Reading a corrupt file on a btrfs partition (damaged disk with IO errors) ProblemType: KernelOops DistroRelease: Ubuntu 12.04 Package: linux-image-3.2.0-10-generic 3.2.0-10.17 ProcVersionSignature: Ubuntu 3.2.0-10.17-generic 3.2.1 Uname: Linux 3.2.0-10-generic x86_64 AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. Annotation: Your system might become unstable now and might need to be restarted. ApportVersion: 1.91-0ubuntu1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: vince 5487 F.... pulseaudio /dev/snd/controlC1: vince 5487 F.... pulseaudio CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found. Card0.Amixer.info: Card hw:0 'Intel'/'HDA Intel at 0xf2300000 irq 44' Mixer name : 'Realtek ALC889A' Components : 'HDA:10ec0885,1458a002,00100103' Controls : 41 Simple ctrls : 23 Card1.Amixer.info: Card hw:1 'Audio'/'Elan USB Audio at usb-0000:00:1a.7-1.3, full speed' Mixer name : 'USB Mixer' Components : 'USB04f3:0a11' Controls : 2 Simple ctrls : 1 Date: Wed Jan 25 17:38:49 2012 Failure: oops HibernationDevice: RESUME=UUID=067f7d52-e1f8-45bf-8927-6436d90535b0 InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20120124) IwConfig: lo no wireless extensions. eth0 no wireless extensions. MachineType: Gigabyte Technology Co., Ltd. G33-DS3R ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-10-generic root=UUID=07a3e699-7826-4b98-b53d-edef2388ef98 ro 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+git20090217-1ubuntu18 RfKill: SourcePackage: linux Title: BUG: unable to handle kernel NULL pointer dereference at (null) UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 07/31/2009 dmi.bios.vendor: Award Software International, Inc. dmi.bios.version: F7L dmi.board.name: G33-DS3R dmi.board.vendor: Gigabyte Technology Co., Ltd. dmi.chassis.type: 3 dmi.chassis.vendor: Gigabyte Technology Co., Ltd. dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF7L:bd07/31/2009:svnGigabyteTechnologyCo.,Ltd.:pnG33-DS3R:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnG33-DS3R:rvr:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr: dmi.product.name: G33-DS3R dmi.sys.vendor: Gigabyte Technology Co., Ltd. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/921675/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp