This bug can be closed. I found it was related to the kernel I was using, rather than PA. linux-image-2.6.31-11-rt. reverting to linux- image-2.6.31-10-rt solves the problem.
-- Lockup playing audio stream https://bugs.launchpad.net/bugs/604128 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
