I've singled out one modification that might be responsible for this issue:
* ALSA: usb-audio: fix invalid length check for RME and other UAC 2 devices - LP: #1119885 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1136110 Title: Asynchronous USB DAC cracking sound in Linux kernel 3.5.0.26 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1136110/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs