I didn't find any kernel packages in http://kernel.ubuntu.com/~kernel-
ppa/mainline/v3.4-rc7-precise/, but did in (apparently newer)
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.4-precise/, so I've
installed linux-image-3.4.0-030400-generic-
pae_3.4.0-030400.201205210521_i386.deb along with header packages. This
installation fails dkms initiated rebuild of nvidia driver. Ignoring
that (for the moment) and proceeding ... after reboot the system comes
up with working  mouse in docking station (yeah!) but with severly
downgraded videa support. After several problematic attempts to update
nvidia drivers from ubuntu repos (related to
https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-
drivers/+bug/993506) I ended up downloading latest driver (NVIDIA-
Linux-x86-295.53) from nvidia site which built and installed correctly
(but only after installing gcc-4.4 ... sigh). With this driver installed
the video support is restored, *but the mouse problem returns*.


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

** Tags removed: needs-upstream-testing

** Tags added: kernel-bug-exists-upstream

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https://bugs.launchpad.net/bugs/994743

Title:
  After 11.10 > 12.04 upgrade on Thinkpad W520 - mouse input broken

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