Alan, here's a capture of the issue happening: http://steve-m.de/files/ohci/3.10.0-031000rc7-generic_problem.tar.gz
Note that the microphone is opened a few seconds later than the output. I also can post the output of lsusb if it helps. Kernel output: [12908.902956] delay: estimated 240, actual 96 [12921.326969] cannot submit urb (err = -18) [12921.327741] cannot submit urb (err = -18) [12921.327761] cannot submit urb (err = -18) [12921.327776] cannot submit urb (err = -18) [12921.327790] cannot submit urb (err = -18) [12921.327802] cannot submit urb (err = -18) [12921.327835] cannot submit urb (err = -18) [12921.327849] cannot submit urb (err = -18) [12921.645567] delay: estimated 336, actual 96 [12938.884972] delay: estimated 240, actual 96 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1191603 Title: raring-updates: regression: 3.8.0-24.35 causes sporadic failure of USB audio devices To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1191603/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs