Try to rebuild kernel without USB3 support. This chipset is known unstable with it. This bug is pretty same to https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1237296 Check with lsusb -t if affected device is bellow USB3 hub.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1260825 Title: 168c:0032 ath3k built-in bluetooth cannot load firmware - sporadic To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1260825/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
