I am not sure whether I got this problem correctly, but AFAIK there is a problem with '_' being used as a delimiter in package file names, and a possibly conflicting specification somewhere in LSB. This might happen again. Wouldn't it be a better solution to fix the package file name scheme, e.g. to use lbreakout2(2.4.1-3,x86_64).deb instead of lbreakout2_2.4.1-3_x86_64.deb Just my $0.02. Regards Harri