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


Sure I'll try to file a new report for this topic.

Chad Miller, would you mind to share few more. Do you have any chance to
try Apple Magic Mouse, or try to name the track pad with MacOS?

One more to be added is that I found that Apple Magic Mouse in fact
could be programmed to have its own "Device Name" with MacOS. But Apple
Wireless Trackpad seems does NOT.

My Apple Magic Mouse has its "Device Named" named with it first paired
with my MBP, but after that I failed to change the "Device Name".
Meanwhile, I have never succeeded to name my Apple Wireless Trackpad
with my MBP.

The fact is that, 8 out 10 times, the hci/lsinput/dbus/bluez/kernel etc
found the "Device Name" of my trackpad is NULL, they took the Product
name "" everywhere. Rarely, the hci/lsinput/dbuz/bluez/kernel report the
"correct" "Device Name" as "Apple Wireless Trackpad".

And I think this "Device Name" in hci/lsinput causes troubles!!! Not
only to kernel, but also version of KDE bluz wizard. If it can not pick
the "Device Name"  it would let you click "Next" Which is stupid. Thank
god the KDE bluz integration works on Ubuntu, and there is bluetooth-
agent you can use. Firing the bluetooth signal to Fedora 20, cause KDE
Bluetooth help crashes

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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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