Public bug reported:

This has happened a number of times now, the system has totally frozen.

Symtoms: 
System does not respond to mouse.
System does not respond to keyboard (including ctrl-alt-del, ctrl-alt-backspace 
(yes I renabled it in the keyboard settings) and Magic Sysrq (yes it's enabled, 
and yes it works properly otherwise)).
If music is playing, it repeats the same part over again (the same few 
milliseconds of sound). 
If I plugin a network cable, and then attempt to ping the computer via what 
should be the wired IP address (from another computer) I get a error 
unreachable destination. (I have not tried to ping over the wireless network as 
I haven't had the IP address for the problem machine. I've just recorded the 
present address, and will try in the future. But because of DHCP, it might not 
be the same address ...)

Things I've done: 
Ran memtest (it's a new computer though, so it shouldn't be the problem...). 
Looked in /var/log/syslog but can't see anything I recognize as bad. 

I cannot determine a cause, and it is very frustrating to lose my work.

If you need anything else, please ask.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.2.0-31-generic 3.2.0-31.50
ProcVersionSignature: Ubuntu 3.2.0-31.50-generic 3.2.28
Uname: Linux 3.2.0-31-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0.1-0ubuntu13
Architecture: amd64
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: PCH [HDA Intel PCH], device 0: ALC269VC Analog [ALC269VC Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  m          1810 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'PCH'/'HDA Intel PCH at 0xf2530000 irq 44'
   Mixer name   : 'Intel PantherPoint HDMI'
   Components   : 'HDA:10ec0269,17aa2203,00100203 
HDA:80862806,80860101,00100000'
   Controls      : 35
   Simple ctrls  : 14
Card29.Amixer.info:
 Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw 
unknown'
   Mixer name   : 'ThinkPad EC (unknown)'
   Components   : ''
   Controls      : 1
   Simple ctrls  : 1
Card29.Amixer.values:
 Simple mixer control 'Console',0
   Capabilities: pswitch pswitch-joined penum
   Playback channels: Mono
   Mono: Playback [off]
Date: Thu Oct 11 12:49:49 2012
HibernationDevice: RESUME=UUID=0e396851-47a9-401b-9951-74bb81ec37b6
InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 
(20120823.1)
IwConfig: Error: [Errno 2] No such file or directory
MachineType: LENOVO 3434CTO
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-31-generic 
root=UUID=50f6d1aa-a1ee-4399-a205-3870a2fa448e ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-3.2.0-31-generic N/A
 linux-backports-modules-3.2.0-31-generic  N/A
 linux-firmware                            1.79.1
RfKill: Error: [Errno 2] No such file or directory
SourcePackage: linux
UdevDb: Error: [Errno 2] No such file or directory
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/01/2012
dmi.bios.vendor: LENOVO
dmi.bios.version: GCET20WW (1.09 )
dmi.board.asset.tag: Not Available
dmi.board.name: 3434CTO
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: 
dmi:bvnLENOVO:bvrGCET20WW(1.09):bd06/01/2012:svnLENOVO:pn3434CTO:pvrThinkPadX230Tablet:rvnLENOVO:rn3434CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 3434CTO
dmi.product.version: ThinkPad X230 Tablet
dmi.sys.vendor: LENOVO

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


** Tags: amd64 apport-bug precise

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Title:
  total system freeze

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