Jon,
It looks to me like the ini parser is failing.
./dvswitch.sh mode DMR and
./dvswitch getEnabledModes

parse a ini file.
mode parses DVSwitch.ini and getEnabledModes parses MMDVM_Bridge.ini
the ini parser is python and MAY have a problem with the version of python in arch.

I think I have all I need. I'll get with Mike and get his thoughts.
I'm out of time for tonight. I'll let you know what we can come up with.

Steve