>From the last kernel log this looks like a bug which was recently fixed upstream in the linux kernel.
See - https://git.kernel.org/cgit/linux/kernel/git/bluetooth/bluetooth-next.git/commit/net/bluetooth?id=75e34f5cf69bd731d3b7375a786d4a15494fb8c6 - https://git.kernel.org/cgit/linux/kernel/git/bluetooth/bluetooth-next.git/commit/net/bluetooth?id=435c513369768f5840cd57101e398bc450fd26de - https://git.kernel.org/cgit/linux/kernel/git/bluetooth/bluetooth-next.git/commit/net/bluetooth?id=1da5537eccd865b83fedbbb7ea704669f6d255fd - https://git.kernel.org/cgit/linux/kernel/git/bluetooth/bluetooth-next.git/commit/net/bluetooth?id=2c501cdd6823a644cf35ac594c635310bf077125 - https://git.kernel.org/cgit/linux/kernel/git/bluetooth/bluetooth-next.git/commit/net/bluetooth?id=75e34f5cf69bd731d3b7375a786d4a15494fb8c6 Will prepare them to get imported into our trees at some point. ** Tags added: bluetooth-ota9 bluez5 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1387949 Title: power cycling Emerson EM229 headset caused phone to reboot To manage notifications about this bug go to: https://bugs.launchpad.net/canonical-devices-system-image/+bug/1387949/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs