On 05/09/2015 09:12, David Sumbler wrote: <snipped> > Cannot lock > down 82246176 byte memory area (Cannot allocate memory) <snipped> According to http://askubuntu.com/questions/166126/unable-to-start-jack-cannot-allocate-memory, the fix is to: 1. usermod -a -G audio theusername 2. Logout then login again as group membership is only updated on login. -- Terry