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[Christoph Paasch <christoph.paasch@xxxxxxxxx>]

I finally found the commit who causes the bug:

commit 3c607d27c818cf4a5d28f2c73b18a88f8fbdfa33
Author: Don Fry <donald.h.fry@xxxxxxxxx>
Date:   Fri Sep 30 11:40:20 2011 -0700

    iwlagn: rename iwlagn module iwlwifi and alias to iwlagn.
    
    Rename the iwlagn module as iwlwifi in preparation for future
    changes.  Add an alias to iwlagn for backward compatibility.
    
    Signed-off-by: Don Fry <donald.h.fry@xxxxxxxxx>
    Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@xxxxxxxxx>
    Signed-off-by: John W. Linville <linville@xxxxxxxxxxxxx>


Looks really strange to me, that this one is causing the bug.

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https://bugs.launchpad.net/bugs/1010854

Title:
  [HP EliteBook 8540p] linux-crashdump not producing coredump nor
  rebooting

Status in “linux-meta” package in Ubuntu:
  Incomplete

Bug description:
  Since Ubuntu Precise, linux-crashdump isn't working anymore for me. When I trigger a crash with:
  echo 'c' > /proc/sysrq-trigger

  the machine freezes. I see the disk-light blinking for a short time.
  But then, the host does not reboot automatically, and no dump-file is
  in /var/crash. With Oneiric everything worked as expected.

  ---
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu9
  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:  christoph   3120 F.... pulseaudio
   /dev/snd/controlC0:  christoph   3120 F.... pulseaudio
  CRDA:
   country BE:
    (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 0xd7520000 irq 54'
     Mixer name	: 'IDT 92HD75B3X5'
     Components	: 'HDA:111d7603,103c1521,00100202 HDA:11c11040,103c3066,00100200'
     Controls      : 19
     Simple ctrls  : 10
  Card1.Amixer.info:
   Card hw:1 'NVidia'/'HDA NVidia at 0xd3000000 irq 16'
     Mixer name	: 'Nvidia GPU 0a HDMI/DP'
     Components	: 'HDA:10de000a,10de0101,00100100'
     Controls      : 24
     Simple ctrls  : 4
  DistroRelease: Ubuntu 12.04
  HibernationDevice: RESUME=UUID=92b841ca-8d28-483f-857f-831a55bd39b0
  InstallationMedia: Kubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
  MachineType: Hewlett-Packard HP EliteBook 8540p
  NonfreeKernelModules: nvidia
  Package: linux (not installed)
  PccardctlStatus:
   Socket 0:
     3.3V
    16-bit
    PC Card
     Subdevice 0 (function 0) bound to driver "pata_pcmcia"
  ProcEnviron:
   LANGUAGE=
   TERM=xterm
   PATH=(custom, user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-25-mptcp root=UUID=f86b03ff-e7eb-4ba4-9009-1ec1b5856035 ro vga=773 crashkernel=384M-2G:128M,2G-:128M
  ProcVersionSignature: Ubuntu 3.2.0-25.42-mptcp 3.2.18
  RelatedPackageVersions:
   linux-restricted-modules-3.2.0-25-mptcp N/A
   linux-backports-modules-3.2.0-25-mptcp  N/A
   linux-firmware                          1.79
  StagingDrivers: mei
  Tags:  precise staging
  Uname: Linux 3.2.0-25-mptcp x86_64
  UpgradeStatus: Upgraded to precise on 2012-04-29 (40 days ago)
  UserGroups: adm admin cdrom dialout lpadmin netdev plugdev sambashare uml-net
  dmi.bios.date: 08/23/2010
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: 68CVD Ver. F.0B
  dmi.board.name: 1521
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: KBC Version 32.32
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.modalias: dmi:bvnHewlett-Packard:bvr68CVDVer.F.0B:bd08/23/2010:svnHewlett-Packard:pnHPEliteBook8540p:pvr:rvnHewlett-Packard:rn1521:rvrKBCVersion32.32:cvnHewlett-Packard:ct10:cvr:
  dmi.product.name: HP EliteBook 8540p
  dmi.sys.vendor: Hewlett-Packard

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