This seems to come down to problems in the kernel part of the bluetooth stack. The linkkeys created during pairing doesn't get stored and taken as temporary which prevents a reconnection. Further investigation is needed.
** Changed in: bluez (Ubuntu) Status: New => Confirmed ** Changed in: bluez (Ubuntu) Assignee: (unassigned) => Simon Fels (morphis) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to bluez in Ubuntu. https://bugs.launchpad.net/bugs/1494250 Title: HID devices doesn't reconnect reliable Status in Canonical System Image: New Status in bluez package in Ubuntu: Confirmed Bug description: With bluez 5.33 on Nexus 4 with silo 43 installed. * Pair and connect a HID device (mouse or keyboard) -> pairing/connect works * Use them for a bit * Power HID device off * Power HID device on again * Start using the HID device -> It doesn't reconnect automatically and also manually connection doesn't seem to work. With krillin an rc-proposed image 122 (ubuntu 20150914, device 20150821-736d127) this doesn't happen and the keyboard reconnects reliable back to the phone when enabled. To manage notifications about this bug go to: https://bugs.launchpad.net/canonical-devices-system-image/+bug/1494250/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp