After a bit of investigating, I found out the problem is related to this qt4 bug [1] (qt4 doesn't work with alsa). I talked with mnemosyne developer Peter Bienstam, you can find 3 .diff to work around the problem (just for mnemosyne, not for qt4) here [2].
[1] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=740451 [2] https://groups.google.com/forum/#!msg/mnemosyne-proj-users/fxkVmy7yVis/uR2WKl1mO6QJ -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
