is that a permanent problem?
~# aptitude install linux-headers-2.6.29-bpo.2-686
Reading package lists... Done
Building dependency tree
Reading state information... Done
Reading extended state information
Initializing package states... Done
Reading task descriptions... Done
The following packages are BROKEN:
The following NEW packages will be installed:
0 packages upgraded, 2 newly installed, 0 to remove and 0 not upgraded.
Need to get 3859kB of archives. After unpacking 25.1MB will be used.
The following packages have unmet dependencies:
linux-headers-2.6.29-bpo.2-686: Depends: linux-kbuild-2.6.29 which is a virtual package.
The following actions will resolve these dependencies:
Keep the following packages at their current version:
linux-headers-2.6.29-bpo.2-686 [Not Installed]
Score is -9881
Accept this solution? [Y/n/q/?]