With a fresh install of 16.04 on HP 4430s laptop, I have this same issue. BT worked before I setup my wireless network, and then didn't. I also can confirm the workaround above of shutting down the laptop, removing power(battery as well), seems to correct the issue. Fixes tried: 1. uninstalled and reinstalled bluetooth 2. echo "options ath9k btcoex_enable=1" | sudo tee /etc/modprobe.d/ath9k.conf 3. installed mainline kernel 4.6.3-040603-generic via dpkg -i 4. tried workaround above--seemed to correct, but for how long?
Steps to reproduce: 1. put laptop into suspended mode 2. Bluetooth icon shows on status bar, but will not reconnect 3. rebooted--> BT still Broken 4. shutdown laptop and removed all power 5. BT corrected Attached BT_Issue_corrected.txt which shows when issue is occrring and when working(working part on bottom: 1. While the issue was occurring created BT_Issue.txt--> hciconfig > BT_Issue.txt, lsmod >> BT_Issue.txt, lsusb, dmesg | grep -i blue, lspci 2. While the issue was corrected created BT_Issue_corrected.txt--> hciconfig > BT_Issue.txt, lsmod >> BT_Issue.txt, lsusb >> BT_Issue.txt, dmesg | grep -i blue >> BT_Issue.txt, lspci >> BT_Issue.txt ** Attachment added: "hciconfig > BT_Issue.txt, lsmod >> BT_Issue.txt, lsusb, dmesg | grep -i blue, lspci" https://bugs.launchpad.net/ubuntu/+source/bluez/+bug/1541392/+attachment/4697261/+files/BT_Issue_corrected.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1541392 Title: AR3011 Bluetooth not starting after being stoped (but detected) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bluez/+bug/1541392/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs