** Description changed:

- The middlebutton of the touchpad in a dell precision m6400 laptop
- stopped working after upgrade to maverick. Apparently it is a problem
- with the current 2.6.35-22-generic kernel, since it is working without
- any problem under any of the mainline kernels.
+ The middlebutton of the touchpad in a dell precision m6400 and m6500
+ laptops stopped working after upgrade from karmic to maverick. This is a
+ regression that started from Ubuntu 2.6.35-22-generic kernel onwards.
+ When using the equivalent mainline kernels, the middlebutton works
+ without problems.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 10.10
  Package: xorg 1:7.5+6ubuntu3
  Uname: Linux 2.6.35-02063507-generic x86_64
  NonfreeKernelModules: nvidia wl
  Architecture: amd64
  Date: Wed Oct 20 11:57:59 2010
  InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
  ProcEnviron:
   PATH=(custom, user)
   LANG=en_US.utf8
   SHELL=/bin/bash
  SourcePackage: xorg
  Symptom: display
  system:
   distro:             Ubuntu
   codename:           maverick
   architecture:       x86_64
   kernel:             2.6.35-02063507-generic
  ---
  Architecture: amd64
  DistroRelease: Ubuntu 10.10
  InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
  NonfreeKernelModules: nvidia wl
  Package: linux (not installed)
  ProcEnviron:
   PATH=(custom, user)
   LANG=en_US.utf8
   SHELL=/bin/bash
  Tags: maverick
  Uname: Linux 2.6.35-02063507-generic x86_64
  UnreportableReason: The running kernel is not an Ubuntu kernel
  UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare vboxusers
  
  ---
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
  AplayDevices:
   **** List of PLAYBACK Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  Architecture: amd64
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
     Subdevices: 2/2
     Subdevice #0: subdevice #0
     Subdevice #1: subdevice #1
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  oriol      1968 F.... pulseaudio
  CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 
not found.
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xf6ffc000 irq 48'
     Mixer name : 'IDT 92HD71B7X'
     Components : 'HDA:111d76b2,10280251,00100302'
     Controls      : 20
     Simple ctrls  : 14
  DistroRelease: Ubuntu 10.10
  InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
  MachineType: Dell Inc. Precision M6400
  NonfreeKernelModules: nvidia wl
  Package: linux (not installed)
  PccardctlIdent:
   Socket 0:
     no product info available
  PccardctlStatus:
   Socket 0:
     no card
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.35-22-generic 
root=UUID=fd982df1-f38e-4005-a8f7-a49046195ad1 ro quiet splash
  ProcEnviron:
   PATH=(custom, user)
   LANG=en_US.utf8
   SHELL=/bin/bash
  ProcVersionSignature: Ubuntu 2.6.35-22.35-generic 2.6.35.4
  Regression: Yes
  RelatedPackageVersions: linux-firmware 1.38
  Reproducible: Yes
  Tags: maverick kernel-uncat regression-release needs-upstream-testing
  Uname: Linux 2.6.35-22-generic x86_64
  UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare vboxusers
  dmi.bios.date: 07/30/2010
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A10
  dmi.board.name: 0D138P
  dmi.board.vendor: Dell Inc.
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: 
dmi:bvnDellInc.:bvrA10:bd07/30/2010:svnDellInc.:pnPrecisionM6400:pvr:rvnDellInc.:rn0D138P:rvr:cvnDellInc.:ct8:cvr:
  dmi.product.name: Precision M6400
  dmi.sys.vendor: Dell Inc.

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https://bugs.launchpad.net/bugs/663806

Title:
  Touchpad middle button not  working in Dell precision m6400/m6500
  after maverick upgrade

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