Szymon, Thanks for the reply, >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 > > The log file is attached to this email.... Tom
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