[Bug 609767] [NEW] BUG: unable to handle kernel NULL pointer dereference at 000000a0

[Olivier Cortès]

Public bug reported:

The boot was just terminated, and I was doing nothing particular when apport noticed to me the kernel Oops.
Previous boot didn't finish properly and I needed to hard poweroff the machine (caps lock not working, sysrq not working).
This is a maverick upgrade on stock lucid, on a Netbook Sony Vaio VPCW12M1E.

For now I don't know how to reproduce the problem, because I don't even
know what trigerred it. Everything seems to currently work fine on the
machine, I will look further to see if any hardware doesn't work and I
will report it here.

best regards,

ProblemType: KernelOops
DistroRelease: Ubuntu 10.10
Package: linux-image-2.6.35-10-generic 2.6.35-10.15
Regression: Yes
Reproducible: No
ProcVersionSignature: Ubuntu 2.6.35-10.15-generic 2.6.35-rc5
Uname: Linux 2.6.35-10-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.
AplayDevices:
 **** List of PLAYBACK Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: ALC262 Analog [ALC262 Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
Architecture: i386
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: ALC262 Analog [ALC262 Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  olive      1285 F.... pulseaudio
CRDA: Error: [Errno 2] Aucun fichier ou dossier de ce type
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xf0440000 irq 43'
   Mixer name	: 'Realtek ALC262'
   Components	: 'HDA:10ec0262,104d4000,00100302'
   Controls      : 12
   Simple ctrls  : 8
Date: Sun Jul 25 16:28:12 2010
Failure: oops
Frequency: This has only happened once.
HibernationDevice: RESUME=UUID=95082ef5-be5f-44c9-b235-e4197b937bc7
InstallationMedia: Ubuntu-Netbook 10.04 "Lucid Lynx" - Release i386 (20100429.4)
MachineType: Sony Corporation VPCW12M1E
ProcCmdLine: BOOT_IMAGE=/vmlinuz-2.6.35-10-generic root=UUID=a29a60d9-0d6e-4949-8030-bae350f7c3e6 ro quiet splash
RelatedPackageVersions: linux-firmware 1.37
SourcePackage: linux
Title: BUG: unable to handle kernel NULL pointer dereference at 000000a0
dmi.bios.date: 07/13/2009
dmi.bios.vendor: Phoenix Technologies LTD
dmi.bios.version: R1100E1
dmi.board.asset.tag: N/A
dmi.board.name: VAIO
dmi.board.vendor: Sony Corporation
dmi.board.version: N/A
dmi.chassis.asset.tag: N/A
dmi.chassis.type: 10
dmi.chassis.vendor: Sony Corporation
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvrR1100E1:bd07/13/2009:svnSonyCorporation:pnVPCW12M1E:pvrC103WJAS:rvnSonyCorporation:rnVAIO:rvrN/A:cvnSonyCorporation:ct10:cvrN/A:
dmi.product.name: VPCW12M1E
dmi.product.version: C103WJAS
dmi.sys.vendor: Sony Corporation

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-kerneloops i386 kernel-oops maverick needs-upstream-testing regression-potential ubuntu-une

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BUG: unable to handle kernel NULL pointer dereference at 000000a0
https://bugs.launchpad.net/bugs/609767
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