Originally Posted by Rob1n

For some reason you're seeing all the firmware variants - I thought the repositories only held a single one (I only find the one anyway). You're probably on the generic firmware, so you'll need to sort out the libsdl-mixer issue first, then install the generic metapackage:

Code:

apt-get install libsdl-mixer1.2=1.2.6-5+0m5
apt-get install mp-fremantle-generic-pr