Any idea why changing this line: load-module module-udev-detect
to be this: load-module module-udev-detect tsched=0 ...fixed the problem? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1433382 Title: [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Static, crackling sounds using module-loopback To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1433382/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs