rjk@rackheath:~$ really dpkg --configure linux-base
Setting up linux-base (2.6.32-11~bpo50+1) ...
Invalid output format udev. Choose from value,
device, list, or full
Invalid output format udev. Choose from value,
device, list, or full
Invalid output format udev. Choose from value,
device, list, or full
Invalid output format udev. Choose from value,
device, list, or full
Undefined subroutine &DebianKernel::DiskId::_system called at
/var/lib/dpkg/info/linux-base.postinst line 1004, <STDIN> line 10.
dpkg: error processing linux-base (--configure):
subprocess post-installation script returned error exit status 9
Errors were encountered while processing:
linux-base