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[Ugo Riboni <ugo.riboni@xxxxxxxxxxxxx>]

I have the same problem as the OP, but in my case the kernel log seems
to give more useful information. There are a number of OOPSes in the
log, before the actual crash, and one of them is in hid_magicmouse,
always at the same location.

I'm attaching a log that shows the OOPSes. The system doesn't log anything else to disk after that.
If there's any other info that I can help provide please let me know.

** Attachment added: "magicmouse_crash_1.txt"
   https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1252874/+attachment/4028248/+files/magicmouse_crash_1.txt

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https://bugs.launchpad.net/bugs/1252874

Title:
  Kernel panic shortly after pairing Apple Magic Touchpad

Status in “linux” package in Ubuntu:
  In Progress

Bug description:
  My kernel reliably panics shortly after - maybe 10 seconds or so? -
  pairing an Apple Magic Touchpad.

  Other bluetooth devices don't cause the same problem - I've tried a
  pair of bluetooth headphones, a bluetooth speaker, a bluetooth
  printer, and a Nexus 4; all of these work as expected. This would seem
  to suggest a problem in hid_magicmouse?

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.12.0-2-generic 3.12.0-2.7
  ProcVersionSignature: Ubuntu 3.12.0-2.7-generic 3.12.0
  Uname: Linux 3.12.0-2-generic x86_64
  ApportVersion: 2.12.6-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  chris      2576 F.... pulseaudio
   /dev/snd/controlC0:  chris      2576 F.... pulseaudio
  Date: Wed Nov 20 08:26:11 2013
  InstallationDate: Installed on 2013-08-06 (105 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  MachineType: System76, Inc. Galago UltraPro
  MarkForUpload: True
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.12.0-2-generic.efi.signed root=UUID=92c2fa03-f29c-4bcc-87ab-f0fe28c134f2 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.12.0-2-generic N/A
   linux-backports-modules-3.12.0-2-generic  N/A
   linux-firmware                            1.117
  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2013-08-06 (105 days ago)
  dmi.bios.date: 07/09/2013
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 4.6.5
  dmi.board.asset.tag: Tag 12345
  dmi.board.name: Galago UltraPro
  dmi.board.vendor: System76, Inc.
  dmi.board.version: galu1
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 9
  dmi.chassis.vendor: System76, Inc,
  dmi.chassis.version: galu1
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr4.6.5:bd07/09/2013:svnSystem76,Inc.:pnGalagoUltraPro:pvrgalu1:rvnSystem76,Inc.:rnGalagoUltraPro:rvrgalu1:cvnSystem76,Inc,:ct9:cvrgalu1:
  dmi.product.name: Galago UltraPro
  dmi.product.version: galu1
  dmi.sys.vendor: System76, Inc.

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