Public bug reported:

This is the output at the commands required:
enzo@pangolin:~$ cat /proc/version_signature > version.log
enzo@pangolin:~$ 
enzo@pangolin:~$ sudo lspci -vnvn > lspci-vnvn.log
[sudo] password for enzo: 
enzo@pangolin:~$ 
enzo@pangolin:~$ lsb_release -rd
Description:    Ubuntu precise (development branch)
Release:        12.04
enzo@pangolin:~$ 

>From a few days everytime I boot my 12.04 find errors in the file system. 
>After repair, Ubuntu work, but very slowly.
The boot work slowly also, about 140/150 second before find the errors(normally 
20/30 sec before the login page).

ProblemType: KernelOops
DistroRelease: Ubuntu 12.04
Package: linux-image-3.2.0-10-generic-pae 3.2.0-10.18
ProcVersionSignature: Ubuntu 3.2.0-10.18-generic-pae 3.2.1
Uname: Linux 3.2.0-10-generic-pae i686
NonfreeKernelModules: nvidia
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/controlC1:  enzo       2114 F.... pulseaudio
 /dev/snd/controlC0:  enzo       2114 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 0xf9ffc000 irq 44'
   Mixer name   : 'Realtek ALC887'
   Components   : 'HDA:10ec0887,104383bc,00100202'
   Controls      : 34
   Simple ctrls  : 20
Card1.Amixer.info:
 Card hw:1 'U0x46d0x9a4'/'USB Device 0x46d:0x9a4 at usb-0000:00:1d.7-3, high 
speed'
   Mixer name   : 'USB Mixer'
   Components   : 'USB046d:09a4'
   Controls      : 2
   Simple ctrls  : 1
Card1.Amixer.values:
 Simple mixer control 'Mic',0
   Capabilities: cvolume cvolume-joined cswitch cswitch-joined penum
   Capture channels: Mono
   Limits: Capture 0 - 14
   Mono: Capture 0 [0%] [23.75dB] [on]
Date: Fri Jan 27 15:23:15 2012
Failure: oops
HibernationDevice: RESUME=UUID=0d2a090a-a1ce-4dfb-a80a-da44ac8398f9
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha i386 (20120112)
IwConfig:
 lo        no wireless extensions.
 
 eth0      no wireless extensions.
MachineType: System manufacturer System Product Name
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-10-generic-pae 
root=UUID=7acad43e-756e-44f9-bdb5-b6e48ff469ba 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 00000004
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/20/2010
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0701
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: P5KPL-SE
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: x.0x
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvr0701:bd08/20/2010:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP5KPL-SE:rvrx.0x:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer

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


** Tags: apport-kerneloops i386 kernel-oops precise

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https://bugs.launchpad.net/bugs/922619

Title:
  BUG: unable to handle kernel NULL pointer dereference at 00000004

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