I can solve, at last. On Ubuntu 14.04 (i386), the libportmidi isn't fixed at 30 of november 2014. So, i take the debian jessie package an install it on ubuntu. But first i had to uninstall the ubuntu package. Now Mixxx dos't crash anymore and work ok with hercules Control AIR.
Steps 1) Remove libportmidi package from ubuntu (open synaptic, search libpormidi and uninstall it) 2) Download libportmidi deb from https://packages.debian.org/jessie/i386/libportmidi0/download and install it 3) Open Mixxx and check its ok -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1097286 Title: PortMIDI is compiled in debug mode which calls exit() instead of handling errors gracefully. To manage notifications about this bug go to: https://bugs.launchpad.net/mixxx/+bug/1097286/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs