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[teotyre <1212856@xxxxxxxxxxxxxxxxxx>]

Good news

the problem seems to be solved with the new kernel 3.11.

Since 3.11 I no longer have karnel panics and for the first time screen brightness
is working as it should by the fn keys.

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https://bugs.launchpad.net/bugs/1212856

Title:
  "Kernel Panic - Not syncing : Fatal Exception in Interrupt" in 12.04.2
  LTS (64-bit)

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  Several times, when I boot my Ubuntu 12.04.2 LTS (Precise Pangolin)
  64-bit installation, I get a kernel panic during the boot. When that
  happens, I have to power the machine down and power it up again.
  Sometimes, the kernel panic happens several times in a row, until the
  machine finally boots.

  The hardware is a "HP Pavilion dv6" laptop, running in Dual-Boot with
  Windows 7 Home Premium (also 64-bit).

  I have all Updates installed to this date (15-aug-2013), including the
  kernel updates: the running kernel is 3.5.0-37

  Here's the output from uname -a :

  $ Linux [hostname] 3.5.0-37-generic #58~precise1-Ubuntu SMP Wed Jul 10
  17:48:11 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux

  
  The last message of the kernel panic is almost always the following:

  "Kernel Panic - Not syncing : Fatal Exception in Interrupt"

  
  Sometimes, there's a message below that stating:

  "Shutting down cpus with NMI"

  The messages above the "Kernel Panic" message are usually different
  each time. I have photographed several of the "Kernel Panic" screens
  and I can attach some of them to this Bug Report, if that's useful.

  In case it's relevant, my partition setup for this Ubuntu installation
  is the following:

  1 -  a "/boot" partition (formatted as ext3)
  2 - a swap partition
  3 - a "/" partition (formatted as ext4), with encrypted home folder.

  
  Please tell me if I should add any information to this bug report.

  Thanks in advance.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-image-3.5.0-37-generic 3.5.0-37.58~precise1
  ProcVersionSignature: Ubuntu 3.5.0-37.58~precise1-generic 3.5.7.16
  Uname: Linux 3.5.0-37-generic x86_64
  NonfreeKernelModules: nvidia wl
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.25.
  ApportVersion: 2.0.1-0ubuntu17.4
  Architecture: amd64
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  ricardo    2032 F.... pulseaudio
   /dev/snd/controlC0:  ricardo    2032 F.... pulseaudio
  CRDA:
   country PT:
   	(2402 - 2482 @ 40), (N/A, 20)
   	(5170 - 5250 @ 40), (N/A, 20)
   	(5250 - 5330 @ 40), (N/A, 20), DFS
   	(5490 - 5710 @ 40), (N/A, 27), DFS
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xdb100000 irq 43'
     Mixer name	: 'IDT 92HD75B3X5'
     Components	: 'HDA:111d7603,103c3659,00100202'
     Controls      : 21
     Simple ctrls  : 11
  Card1.Amixer.info:
   Card hw:1 'NVidia'/'HDA NVidia at 0xd3000000 irq 44'
     Mixer name	: 'Nvidia GPU 0b HDMI/DP'
     Components	: 'HDA:10de000b,10de0101,00100100'
     Controls      : 24
     Simple ctrls  : 4
  Date: Thu Aug 15 22:16:36 2013
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=3ddeb984-b63d-45cf-825f-04e59e87166d
  InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release amd64 (20130213)
  MachineType: Hewlett-Packard HP Pavilion dv6 Notebook PC
  MarkForUpload: True
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.5.0-37-generic root=UUID=bd2ded4b-faa2-439f-b387-16292df03932 ro
  RelatedPackageVersions:
   linux-restricted-modules-3.5.0-37-generic N/A
   linux-backports-modules-3.5.0-37-generic  N/A
   linux-firmware                            1.79.6
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 01/05/2010
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: F.15
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: 3659
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: 32.23
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnHewlett-Packard:bvrF.15:bd01/05/2010:svnHewlett-Packard:pnHPPaviliondv6NotebookPC:pvr049D210000241210000020000:rvnHewlett-Packard:rn3659:rvr32.23:cvnHewlett-Packard:ct10:cvrN/A:
  dmi.product.name: HP Pavilion dv6 Notebook PC
  dmi.product.version: 049D210000241210000020000
  dmi.sys.vendor: Hewlett-Packard

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