I had this problem repeatedly even after this ticked was closed. So I switched to Debian wheezy and never had the problem again.
Regards, Fede On Fri, Dec 18, 2015 at 2:40 AM, Christopher M. Penalver <christopher.m.penal...@gmail.com> wrote: > Federico Ceratto, as this report is closed, it has nothing to do with > your problem. > > However, it will help immensely if you filed a new report via a terminal: > ubuntu-bug linux > > Please feel free to subscribe me to it. > > -- > You received this bug notification because you are subscribed to a > duplicate bug report (1017874). > https://bugs.launchpad.net/bugs/922906 > > Title: > Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at > 0000009c; EIP is at __ticket_spin_lock+0x8/0x30 > > Status in Linux: > Fix Released > Status in linux package in Ubuntu: > Fix Released > Status in linux source package in Precise: > Fix Released > Status in linux source package in Quantal: > Fix Released > Status in linux source package in Raring: > Fix Released > > Bug description: > This happened after unplugging a usb storage device. > > ProblemType: KernelOops > DistroRelease: Ubuntu 12.04 > Package: linux-image-3.2.0-11-generic 3.2.0-11.19 > ProcVersionSignature: Ubuntu 3.2.0-11.19-generic 3.2.1 > Uname: Linux 3.2.0-11-generic i686 > 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: i386 > AudioDevicesInUse: > USER PID ACCESS COMMAND > /dev/snd/controlC0: elroy 1504 F.... pulseaudio > Card0.Amixer.info: > Card hw:0 'I82801DBICH4'/'Intel 82801DB-ICH4 with AD1981A at irq 17' > Mixer name : 'Analog Devices AD1981A' > Components : 'AC97a:41445372' > Controls : 25 > Simple ctrls : 17 > Date: Fri Jan 27 19:32:16 2012 > Failure: oops > HibernationDevice: RESUME=UUID=a818f95b-caf9-4a82-bd11-2e3480e5595a > InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012) > Lsusb: > Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub > Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub > Bus 003 Device 002: ID 093a:2510 Pixart Imaging, Inc. Optical Mouse > ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-11-generic > root=UUID=481773af-0b0e-47ef-8864-302bf969002c 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: > 0: phy0: Wireless LAN > Soft blocked: no > Hard blocked: no > SourcePackage: linux > Title: BUG: unable to handle kernel NULL pointer dereference at 0000009c > UpgradeStatus: Upgraded to precise on 2012-01-27 (0 days ago) > dmi.bios.date: 05/28/2003 > dmi.bios.vendor: Compaq > dmi.bios.version: 686O2 v2.21 > dmi.board.name: 07E4h > dmi.board.vendor: Compaq > dmi.chassis.type: 15 > dmi.chassis.vendor: Compaq > dmi.modalias: > dmi:bvnCompaq:bvr686O2v2.21:bd05/28/2003:svnCompaq:pn:pvr:rvnCompaq:rn07E4h:rvr:cvnCompaq:ct15:cvr: > dmi.sys.vendor: Compaq > > -- > > SRU Justification: > > Impact: > When plugging and unplugging a USB drive occasionally a race condition in > the notify subsystem causes a kernel oops. > > Fix: > A set up of patches > 0520bffba9685d88ad68ede4a41abd08a3e9684e..fe9b25d3ee6bdf6f9c9a9ce61d9d3e144bac13ef > found in the for-next branch in the notify.git tree solve this issue: > > http://git.infradead.org/users/eparis/notify.git/shortlog/refs/heads/for-next > These have been cherry-picked and tested on precise/quantal and applied > already to raring. Only small modifications are needed for 2 of the patches > because the locations of the functions had changed other than that the other > 7 patches are clean cherry-picks. > > Testcase: > Comment #8 and #9 in the upstream bug: > https://bugzilla.kernel.org/show_bug.cgi?id=22602 has a test case that easily > reproduces this issue within 15-30 minutes. I have applied the above fixes > and was able to run this test case overnight in all cases. > In addition I've tested using the LTP tests for inotfy and these run > properly with the fix applied. > > To manage notifications about this bug go to: > https://bugs.launchpad.net/linux/+bug/922906/+subscriptions -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/922906 Title: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30 To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/922906/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs