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Re: [Bug 1195822] Re: MacBook Air 6, 2 (mid2013) Touchpad is Non-Functional

 

Agreed, the new kernel resolves the issue. Thanks, as well.


On Sun, Dec 1, 2013 at 12:07 PM, Christopher M. Penalver <
christopher.m.penalver@xxxxxxxxx> wrote:

> Brad Ford, thank you for taking the time to report this bug and helping to
> make Ubuntu better. However, as per
> http://kernel.ubuntu.com/git?p=ubuntu/ubuntu-trusty.git;a=commit;h=148c1c8ad3c4170186ebe6ea5900adde27d2a0e7
>
> http://kernel.ubuntu.com/git?p=ubuntu/ubuntu-trusty.git;a=commit;h=9d9a04ee758b4c1fcc7586d065cdde7a7607e156
> I am closing it because the bug has been fixed in the latest development
> version of Ubuntu - Trusty Tahr, as well as Saucy:
>
> http://kernel.ubuntu.com/git?p=ubuntu/ubuntu-saucy.git;a=commit;h=148c1c8ad3c4170186ebe6ea5900adde27d2a0e7
>
> http://kernel.ubuntu.com/git?p=ubuntu/ubuntu-saucy.git;a=commit;h=9d9a04ee758b4c1fcc7586d065cdde7a7607e156
>
> ** Changed in: linux (Ubuntu)
>        Status: Confirmed => Fix Released
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1195822
>
> Title:
>   MacBook Air 6,2 (mid2013) Touchpad is Non-Functional
>
> Status in The Linux Kernel:
>   Unknown
> Status in “linux” package in Ubuntu:
>   Fix Released
>
> Bug description:
>   The MacBook Air 6,2 models (11 and 13 inch) touchpad is basically
>   broken; it does not function as a multitouch device, rather it
>   provides the functionality of a basic single-click mouse.  All
>   multitouch capabilities are broken (right-click, scroll, gestures,
>   etc.).
>
>   I would expect that the touchpad would function as a normal fully-
>   functional touchpad, instead the touchpad functionality is limited to
>   mouse-movement and left-clicking.
>
>   The 2013 MacBook Air laptops have a new hardware touchpad device
>   (05ac:0291) which is not compatible with the 'bcm5974' multitouch
>   driver.  As a result, the generic 'usbhid' is being associated with
>   the device (evident in /sys/bus/usb/drivers/usbhid/), which has the
>   effect of the touchpad being registered as a 'Pointer' rather than a
>   'Touchpad' in X.  As a result, it is assigned the generic evdev X
>   mouse driver rather than the synaptics X driver.
>
>   I have been able to 'force' the touchpad to be associated with the
>   'bcm5974' kernel driver (via sysfs), however, the driver fails to
>   communicate with the hardware and no mouse functionality is available.
>   In this case the bcm5974 reports 'could not read from device' in
>   dmesg.
>
>   ProblemType: Bug
>   DistroRelease: Ubuntu 13.10
>   Package: linux-image-3.9.0-7-generic 3.9.0-7.15
>   ProcVersionSignature: Ubuntu 3.9.0-7.15-generic 3.9.7
>   Uname: Linux 3.9.0-7-generic x86_64
>   ApportVersion: 2.10.2-0ubuntu2
>   Architecture: amd64
>   AudioDevicesInUse:
>    USER        PID ACCESS COMMAND
>    /dev/snd/controlC0:  lubuntu    2821 F.... lxpanel
>   CRDA: Error: [Errno 2] No such file or directory: 'iw'
>   CasperVersion: 1.334
>   Date: Fri Jun 28 17:14:48 2013
>   IwConfig:
>    eth0      no wireless extensions.
>
>    lo        no wireless extensions.
>   LiveMediaBuild: Lubuntu 13.10 "Saucy Salamander" - Alpha amd64+mac
> (20130625.2)
>   MachineType: Apple Inc. MacBookAir6,2
>   MarkForUpload: True
>   ProcFB: 0 inteldrmfb
>   ProcKernelCmdLine: file=/cdrom/preseed/username.seed boot=casper
> initrd=/casper/initrd.lz quiet splash --
>   RelatedPackageVersions:
>    linux-restricted-modules-3.9.0-7-generic N/A
>    linux-backports-modules-3.9.0-7-generic  N/A
>    linux-firmware                           1.109
>   RfKill:
>    0: hci0: Bluetooth
>         Soft blocked: no
>         Hard blocked: no
>   SourcePackage: linux
>   StagingDrivers: zram
>   UpgradeStatus: No upgrade log present (probably fresh install)
>   dmi.bios.date: 05/24/2013
>   dmi.bios.vendor: Apple Inc.
>   dmi.bios.version: MBA61.88Z.0099.B00.1305241529
>   dmi.board.asset.tag: Base Board Asset Tag#
>   dmi.board.name: Mac-7DF21CB3ED6977E5
>   dmi.board.vendor: Apple Inc.
>   dmi.board.version: MacBookAir6,2
>   dmi.chassis.type: 10
>   dmi.chassis.vendor: Apple Inc.
>   dmi.chassis.version: Mac-7DF21CB3ED6977E5
>   dmi.modalias:
> dmi:bvnAppleInc.:bvrMBA61.88Z.0099.B00.1305241529:bd05/24/2013:svnAppleInc.:pnMacBookAir6,2:pvr1.0:rvnAppleInc.:rnMac-7DF21CB3ED6977E5:rvrMacBookAir6,2:cvnAppleInc.:ct10:cvrMac-7DF21CB3ED6977E5:
>   dmi.product.name: MacBookAir6,2
>   dmi.product.version: 1.0
>   dmi.sys.vendor: Apple Inc.
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/linux/+bug/1195822/+subscriptions
>

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1195822

Title:
  MacBook Air 6,2 (mid2013) Touchpad is Non-Functional

Status in The Linux Kernel:
  Unknown
Status in “linux” package in Ubuntu:
  Fix Released

Bug description:
  The MacBook Air 6,2 models (11 and 13 inch) touchpad is basically
  broken; it does not function as a multitouch device, rather it
  provides the functionality of a basic single-click mouse.  All
  multitouch capabilities are broken (right-click, scroll, gestures,
  etc.).

  I would expect that the touchpad would function as a normal fully-
  functional touchpad, instead the touchpad functionality is limited to
  mouse-movement and left-clicking.

  The 2013 MacBook Air laptops have a new hardware touchpad device
  (05ac:0291) which is not compatible with the 'bcm5974' multitouch
  driver.  As a result, the generic 'usbhid' is being associated with
  the device (evident in /sys/bus/usb/drivers/usbhid/), which has the
  effect of the touchpad being registered as a 'Pointer' rather than a
  'Touchpad' in X.  As a result, it is assigned the generic evdev X
  mouse driver rather than the synaptics X driver.

  I have been able to 'force' the touchpad to be associated with the
  'bcm5974' kernel driver (via sysfs), however, the driver fails to
  communicate with the hardware and no mouse functionality is available.
  In this case the bcm5974 reports 'could not read from device' in
  dmesg.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: linux-image-3.9.0-7-generic 3.9.0-7.15
  ProcVersionSignature: Ubuntu 3.9.0-7.15-generic 3.9.7
  Uname: Linux 3.9.0-7-generic x86_64
  ApportVersion: 2.10.2-0ubuntu2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  lubuntu    2821 F.... lxpanel
  CRDA: Error: [Errno 2] No such file or directory: 'iw'
  CasperVersion: 1.334
  Date: Fri Jun 28 17:14:48 2013
  IwConfig:
   eth0      no wireless extensions.
   
   lo        no wireless extensions.
  LiveMediaBuild: Lubuntu 13.10 "Saucy Salamander" - Alpha amd64+mac (20130625.2)
  MachineType: Apple Inc. MacBookAir6,2
  MarkForUpload: True
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: file=/cdrom/preseed/username.seed boot=casper initrd=/casper/initrd.lz quiet splash --
  RelatedPackageVersions:
   linux-restricted-modules-3.9.0-7-generic N/A
   linux-backports-modules-3.9.0-7-generic  N/A
   linux-firmware                           1.109
  RfKill:
   0: hci0: Bluetooth
   	Soft blocked: no
   	Hard blocked: no
  SourcePackage: linux
  StagingDrivers: zram
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 05/24/2013
  dmi.bios.vendor: Apple Inc.
  dmi.bios.version: MBA61.88Z.0099.B00.1305241529
  dmi.board.asset.tag: Base Board Asset Tag#
  dmi.board.name: Mac-7DF21CB3ED6977E5
  dmi.board.vendor: Apple Inc.
  dmi.board.version: MacBookAir6,2
  dmi.chassis.type: 10
  dmi.chassis.vendor: Apple Inc.
  dmi.chassis.version: Mac-7DF21CB3ED6977E5
  dmi.modalias: dmi:bvnAppleInc.:bvrMBA61.88Z.0099.B00.1305241529:bd05/24/2013:svnAppleInc.:pnMacBookAir6,2:pvr1.0:rvnAppleInc.:rnMac-7DF21CB3ED6977E5:rvrMacBookAir6,2:cvnAppleInc.:ct10:cvrMac-7DF21CB3ED6977E5:
  dmi.product.name: MacBookAir6,2
  dmi.product.version: 1.0
  dmi.sys.vendor: Apple Inc.

To manage notifications about this bug go to:
https://bugs.launchpad.net/linux/+bug/1195822/+subscriptions


References