Unpacking gdb-msp430 (from .../gdb-msp430_7.2~mspgcc-7.2-20110612-1ubuntu1_amd64.deb) ...
dpkg: error processing /var/cache/apt/archives/gdb-msp430_7.2~mspgcc-7.2-20110612-1ubuntu1_amd64.deb (--unpack):
 trying to overwrite '/usr/share/gdb/python/gdb/__init__.py', which is also in package gdb 7.4-2012.02-0ubuntu2