After uninstalling and reinstalling the psmouse-dkms-alps .deb package
(via double-click) to share the info above, I noticed it hadn't actually
reinstalled. It had 'silently' failed in the stupid Ubuntu Software
management tool. The error which was being hidden was...
"Module build for the currently running kernel was skipped since the
kernel source for this kernel does not seem to be installed."
AFAIK you can only tell it's failed by the fact the GUI button says
'install' rather than 'reinstall' which I figured out after a couple of
reboots.
Fortunately I have the fallback of the terminal, and I figured out that
while I had upgraded to use the linux-generic-pae kernel to read the
extra 4gig of memory I'd just added hadn't installed the linux-headers-
generic-pae package. This means that no kernel modules can be built from
source (as this package requires, since it builds a kernel module
through DKMS).
After installing the linux-headers-generic-pae package for my linux-
generic-pae kernel, (you should have the headers package which
corresponds to the kernel you have installed), all was well and the
proper kernel module was rebuilt and activated.
Hopefully anyone who's suffering with the same PEBKAC error will read
this post.
Originally I saw the following failed build sequence for reference...
cefn@cefn-oneiric-dell:~/Downloads$ dpkg --install
psmouse-alps-dkms_0.10_all.deb
dpkg: error: requested operation requires superuser privilege
cefn@cefn-oneiric-dell:~/Downloads$ sudo dpkg --install
psmouse-alps-dkms_0.10_all.deb
[sudo] password for cefn:
(Reading database ... 157150 files and directories currently installed.)
Preparing to replace psmouse-alps-dkms 0.10 (using
psmouse-alps-dkms_0.10_all.deb) ...
-------- Uninstall Beginning --------
Module: psmouse-alps
Version: 0.10
Kernel: 2.6.38-11-generic (x86_64)
-------------------------------------
Status: This module version was INACTIVE for this kernel.
depmod....(bad exit status: 1)
DKMS: uninstall Completed.
------------------------------
Deleting module version: 0.10
completely from the DKMS tree.
------------------------------
Done.
Unpacking replacement psmouse-alps-dkms ...
Setting up psmouse-alps-dkms (0.10) ...
Loading tarball for psmouse-alps-0.10
Loading /var/lib/dkms/psmouse-alps/0.10/2.6.38-11-generic/x86_64...
DKMS: ldtarball Completed.
Creating symlink /var/lib/dkms/psmouse-alps/0.10/source ->
/usr/src/psmouse-alps-0.10
DKMS: add Completed.
First Installation: checking all kernels...
Building only for 3.0.0-14-generic-pae
Building for architecture i686
Module build for the currently running kernel was skipped since the
kernel source for this kernel does not seem to be installed.
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https://bugs.launchpad.net/bugs/606238
Title:
synaptic touchpad not recognized on dell latitude e6510 and others
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