I just installed the Panda3D SDK on a 32-bit Ubuntu 10.04 with Python 2.6
I used the installer
panda3d1.7_1.7.2~lucid_i386.deb
When trying to test the included examples, I get these errors
import: unable to open image `direct.directbase.DirectStart': Permission denied @ blob.c/OpenBlob/2480.
from: can't read /var/mail/panda3d.core
from: can't read /var/mail/panda3d.core
from: can't read /var/mail/direct.gui.OnscreenText
from: can't read /var/mail/direct.showbase.DirectObject
from: can't read /var/mail/direct.task.Task
from: can't read /var/mail/math
from: can't read /var/mail/random
from: can't read /var/mail/direct.interval.MetaInterval
from: can't read /var/mail/direct.interval.FunctionInterval
import: unable to open image `sys': Permission denied @ blob.c/OpenBlob/2480.
When running with sudo, the permission errors disappear, but it still tries to read panda files from \var\mail, which is empty.