Package: libmad Version: 0.15.1b-11 libmad causes a segfault with the armhf architecture. This is a known Ubuntu bug that has been reported and fixed here: LP: #989846 https://bugs.launchpad.net/ubuntu/+source/libmad/+bug/989846 The debian package is also affected. I have double checked that via a failing test when building Mixxx for armhf I suggest introducing the Ubuntu patch for debian as well.