Can you test some of the 3.15 release candidates[0] from rc1 up to rc8 to identify the exact rc where the regression was introduced? Once we know the last good and first bad kernels, we can bisect to find the commit that introduced the regression.
[0] kernel.ubuntu.com/~kernel-ppa/mainline/ ** Changed in: linux (Ubuntu) Importance: Undecided => Medium -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1325902 Title: Bluetooth error on booting To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1325902/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs