Hello, mpd core dumps if executed with bad arguments. It doesn't affect running mpd, still playing :)
jirib # mpd -kill ** ERROR **: option parsing failed: Unknown option -kill aborting... Abort trap (core dumped) # rm *.core # mpd -create-db ** ERROR **: option parsing failed: Unknown option -create-db aborting... Abort trap (core dumped) # rm *.core # mpd -verbose ** ERROR **: option parsing failed: Unknown option -verbose aborting... Abort trap (core dumped) # rm *.core # mpd --foobar ** ERROR **: option parsing failed: Unknown option --foobar aborting... Abort trap (core dumped) # rm *.core