From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Message-ID: <1449991256.8150.3.camel@gmail.com> Subject: Re: Lenovo keyboard From: Berend De Schouwer To: linux-bluetooth@vger.kernel.org Date: Sun, 13 Dec 2015 09:20:56 +0200 In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Sender: linux-bluetooth-owner@vger.kernel.org List-ID: On Sat, 2015-12-12 at 17:06 +0100, chris wrote: > Dear list, > > I've been consistently using a lenovo bluetooth keyboard since > Bluez4. > Since a recent (a month ago or so) upgrade (debian/stretch) it > doesn't > connect anymore. > Neither does a Jabra Stealth earpiece which was doing fine a month > ago. > > Even when it says conneced: yes, it isn't actually connected: > the led of the keyboard indicates it isn't connected and there is no > input. I've got similar symptoms with 4 different bluetooth keyboards.  One Logitech, one Apple, one Kanex and one Astrum. Pairing works, input fails. At the same time, the kernel loops: [ 1449.370904] Bluetooth: hci0 ACL packet for unknown connection handle 2 [ 1455.734779] Bluetooth: hci0 ACL packet for unknown connection handle 3 [ 1461.731976] Bluetooth: hci0 ACL packet for unknown connection handle 4 [ 1468.037014] Bluetooth: hci0 ACL packet for unknown connection handle 5 [ 1474.005517] Bluetooth: hci0 ACL packet for unknown connection handle 6 [ 1479.972716] Bluetooth: hci0 ACL packet for unknown connection handle 7 [ 1491.066637] Bluetooth: hci0 ACL packet for unknown connection handle 8 Eventually a working handle is found. The Logitech is ancient, but the others are relatively new.