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[Bug 1248287] Re: Apple Wireless Trackpad "magicmouse" crashes kernel on multitouch


Did this just start happening after a recent upgrade or update?  It
would be good to know if there was a prior release that did not have
this bug.

Also, would it be possible for you to test the latest upstream kernel?
Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the
latest v3.12 kernel[0].

If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag:

If you are unable to test the mainline kernel, for example it will not boot, please add the tag: 'kernel-unable-to-test-upstream'.
Once testing of the upstream kernel is complete, please mark this bug as "Confirmed".

Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.12-saucy/

** Tags added: kernel-da-key

** Changed in: linux (Ubuntu)
   Importance: Undecided => High

** Changed in: linux (Ubuntu)
       Status: Confirmed => Incomplete

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  Apple Wireless Trackpad "magicmouse" crashes kernel on multitouch

Status in “linux” package in Ubuntu:

Bug description:
  This happens the same on my Thinkpad X301 (2777CTO) and my home
  desktop frankenstein machine.

  Pair new Bluetooth APPL "Wireless Trackpad". Single finger clicks and
  drags do not seem to cause a problem.  More than one finger gestures
  crashes either as:  Hard hang with flashing keyboard light and no
  SysRq, Immediate reboot, or Delayed hang and X return to text  console
  and freeze with no SysRq and no blinking.

  It's hard to get a syslog.  The only syslog messages I get appears to
  be a result of the hang but not near the cause.  Attached as "syslog-

  Attached video recordings of hangs and photos of oopsen.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: linux-image (not installed)
  ProcVersionSignature: Ubuntu 3.11.0-9.16-generic 3.11.2
  Uname: Linux 3.11.0-9-generic i686
  ApportVersion: 2.12.5-0ubuntu2.1
  Architecture: i386
   /dev/snd/controlC0:  cmiller    2343 F.... pulseaudio
  Date: Tue Nov  5 13:41:30 2013
  HibernationDevice: RESUME=UUID=c4293092-7dbc-45d8-a4cd-43b828063734
  MachineType: LENOVO 2777CTO
  MarkForUpload: True
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: root=UUID=24becfaf-5998-47e3-b62d-18c5e13146b2 ro quiet splash
   linux-restricted-modules-3.11.0-9-generic N/A
   linux-backports-modules-3.11.0-9-generic  N/A
   linux-firmware                            1.116
  SourcePackage: linux
  UpgradeStatus: Upgraded to saucy on 2009-03-27 (1684 days ago)
  dmi.bios.date: 10/09/2008
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 6EET21WW (1.02 )
  dmi.board.name: 2777CTO
  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:bvr6EET21WW(1.02):bd10/09/2008:svnLENOVO:pn2777CTO:pvrThinkPadX301:rvnLENOVO:rn2777CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 2777CTO
  dmi.product.version: ThinkPad X301
  dmi.sys.vendor: LENOVO

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