Hi, On Saturday, 27 January 2018 01:20:21 CET Thomas Green wrote: > Hi all, > > I'm testing more keyboards with 5.48 and have found issues with two other > keyboards. In this case the problem is during pairing. The two keyboards > in question are the SIIG AAZ2448 and the ANKER A7221. The current issue > is that during pairing of these two keyboards we are given a PIN code > display, so I enter it on the keyboard and nothing happens, and eventually > the pairing times out. > > [bluetooth]# pair 20:73:03:A4:18:4D > Attempting to pair with 20:73:03:A4:18:4D > [CHG] Device 20:73:03:A4:18:4D Connected: yes > [agent] PIN code: 851841 > [Anker A7721]# > [ 282.174342] WARNING: at net/bluetooth/hci_conn.c:322 > hci_conn_timeout+0x44/0x198() Failed to pair: > org.bluez.Error.AuthenticationTimeout > [Anker A7721]# > > This happens about 95% of the time. The other 5% the pairing completes and > everything works fine. > > I could attach btmon output and output from running bluetoothd -d -n, but > nothing interesting happens from the time the pincode is displayed and the > timeout occurs. > > Where do I begin to look for why the pincode isn't being transmitted back > from the keyboards? Why is it inconsistent? > > As an interesting side note the Apple keyboard that I'm having the driver > loading trouble uses the same pairing mechanism and it works well every > time. (and all of these keyboards worked fine in 4.101) Get full btmon logs first, ideally from the moment you power on BT adapter. -- pozdrawiam Szymon Janc -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
