I tested the 3.14 lowlatency and seems that this bug is fixed for me at least. No more BUG info to kern.log and jackd is able to run just fine. Using kernel:
3.14.0-031400-lowlatency #201403310035 SMP PREEMPT Mon Mar 31 04:44:05 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1294729 Title: BUG: pcmC1D0c:0, pos = 5461, buffer size = 5461, period size = 2730 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1294729/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs