Pd version 0.43.2 (vanilla, installed from Debian repos)
Debian Wheezy 64-bit (linux kernel 3.12-0.bpo.1-amd64)
Intel Haswell CPU
Pd starts with black background. Objects are also black and therefore invisible
unless highlighted, making pd unusable. The same problem occurs on a completely
different machine with the same version of Debian. The black background is both
on the parent window and the patch windows.