Public bug reported:
My laptop Thinkpad X250 just freezed...
ProblemType: KernelOops
DistroRelease: Ubuntu 15.10
Package: linux-image-4.2.0-15-generic 4.2.0-15.17
ProcVersionSignature: Ubuntu 4.2.0-11.13-generic 4.2.1
Uname: Linux 4.2.0-15-generic x86_64
Annotation: Your system might become unstable now and might need to be
restarted.
ApportVersion: 2.19.1-0ubuntu1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: yuanli 3020 F.... pulseaudio
/dev/snd/controlC0: yuanli 3020 F.... pulseaudio
Date: Thu Oct 8 09:19:27 2015
DuplicateSignature: BUG: unable to handle kernel NULL pointer dereference at
location RIP: 0010:location location mutex_lock+0x16/0x40
Failure: oops
HibernationDevice: RESUME=UUID=60f0ce85-8300-42dc-862b-1c6ab3219331
InstallationDate: Installed on 2015-07-30 (71 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
MachineType: LENOVO 20CLA0G5CD
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.2.0-11-generic.efi.signed
root=/dev/mapper/ubuntu--vg-root ro ”zswap.enabled=1″ quiet splash vt.handoff=7
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions: kerneloops-daemon 0.12+git20090217-3ubuntu8
SourcePackage: linux
Title: BUG: unable to handle kernel NULL pointer dereference at 0000000000000008
UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/19/2015
dmi.bios.vendor: LENOVO
dmi.bios.version: N10ET36W (1.15 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20CLA0G5CD
dmi.board.vendor: LENOVO
dmi.board.version: SDK0E50511 WIN
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias:
dmi:bvnLENOVO:bvrN10ET36W(1.15):bd06/19/2015:svnLENOVO:pn20CLA0G5CD:pvrThinkPadX250:rvnLENOVO:rn20CLA0G5CD:rvrSDK0E50511WIN:cvnLENOVO:ct10:cvrNone:
dmi.product.name: 20CLA0G5CD
dmi.product.version: ThinkPad X250
dmi.sys.vendor: LENOVO
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: amd64 apport-kerneloops kernel-oops package-from-proposed wily
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https://bugs.launchpad.net/bugs/1504484
Title:
BUG: unable to handle kernel NULL pointer dereference at
0000000000000008
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