Comment 6 for bug 285312

I guess it is a problem with the package download, since running sudo apt-get -d install nvidia-glx-177 allowed jockey to work. Here is the output of that:
tester@tester-desktop:~$ sudo apt-get -d install nvidia-glx-177
[sudo] password for tester:
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following extra packages will be installed:
  dkms fakeroot nvidia-177-kernel-source nvidia-settings patch
Suggested packages:
  diff-doc
The following NEW packages will be installed:
  dkms fakeroot nvidia-177-kernel-source nvidia-glx-177 nvidia-settings patch
0 upgraded, 6 newly installed, 0 to remove and 0 not upgraded.
Need to get 214kB/12.7MB of archives.
After this operation, 37.0MB of additional disk space will be used.
Do you want to continue [Y/n]? y
Get:1 http://us.archive.ubuntu.com intrepid/main fakeroot 1.9.5ubuntu1 [114kB]
Get:2 http://us.archive.ubuntu.com intrepid/main patch 2.5.9-5 [100kB]
Fetched 214kB in 0s (241kB/s)
Download complete and in download only mode

I'm also attaching the debug output of jockey-backend again, for what its worth. Though, there doesn't look like anything interesting in either of those outputs.