Return-Path: Message-ID: <4E3AEE44.10702@goop.org> Date: Thu, 04 Aug 2011 12:08:52 -0700 From: Jeremy Fitzhardinge MIME-Version: 1.0 To: linux-bluetooth@vger.kernel.org, Linux Kernel Mailing List Subject: Re: Linux 3.0-rc4: regression reconnecting bluetooth headset (A2DP fails) References: <4E03DA75.2080606@goop.org> <20110628182117.GD23183@joana> <4E0A2FC7.6020109@goop.org> <20110628200216.GE23183@joana> In-Reply-To: <20110628200216.GE23183@joana> Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: On 06/28/2011 01:02 PM, Gustavo F. Padovan wrote: > * Jeremy Fitzhardinge [2011-06-28 20:47:19 +0100]: > >> On 06/28/2011 07:21 PM, Gustavo F. Padovan wrote: >>> Hi Jeremy, >>> >>> * Jeremy Fitzhardinge [2011-06-23 17:29:41 -0700]: >>> >>>> I have a Nokia BH-905i headset. With a stock F15 kernel, it all works >>>> well. With current linux-2.6.git, it fails to reconnect properly. >>>> >>>> On connection, the headphones only beep once, whereas they normally beep >>>> twice; I think this is one beep per profile, and its only connecting HSP >>>> and failing A2DP. In the sound control panel, it either comes up with >>>> "profile: off" or with the HSP/HFP (Telephony) profile rather than A2DP, >>>> and it fails to switch if I try to change profiles via the sound control >>>> panel. >>>> >>>> However, if I re-pair the device from scratch each time I use it, it >>>> connects properly and it all works fine. >>>> >>>> pactl list shows: >>>> >>>> Card #2 >>>> Name: bluez_card.00_0B_E4_A6_6C_0D >>>> Driver: module-bluetooth-device.c >>>> Owner Module: 23 >>>> Properties: >>>> device.description = "Nokia BH-905i" >>>> device.string = "00:0B:E4:A6:6C:0D" >>>> device.api = "bluez" >>>> device.class = "sound" >>>> device.bus = "bluetooth" >>>> device.form_factor = "headset" >>>> bluez.path = "/org/bluez/843/hci0/dev_00_0B_E4_A6_6C_0D" >>>> bluez.class = "0x240404" >>>> bluez.name = "Nokia BH-905i" >>>> device.icon_name = "audio-headset-bluetooth" >>>> device.intended_roles = "phone" >>>> Profiles: >>>> a2dp: High Fidelity Playback (A2DP) (sinks: 1, sources: 0, priority. 10) >>>> hsp: Telephony Duplex (HSP/HFP) (sinks: 1, sources: 1, priority. 20) >>>> off: Off (sinks: 0, sources: 0, priority. 0) >>>> Active Profile: hsp >>>> >>>> If I try to switch profiles on the command line it says: >>>> $ pactl set-card-profile 2 a2dp >>>> Failure: Input/Output error >>>> >>>> and /var/log/messages shows: >>>> module-bluetooth-device.c: A2DP is not connected, refused to switch profile >>>> >>>> Why isn't A2DP connecting? How can I debug this further? >>> Can you send the output of hcidump with F15 kernel and with linux-2.6.git >>> kernel? >> This is already fixed in >> git://git.kernel.org/pub/scm/linux/kernel/git/padovan/bluetooth-2.6.git > Great, these fixes will be in linus-2.6 soon. There seems to have been a regression since then and the release 3.0 kernel (and the F15 "2.6.40" kernel), which have gone back to showing the original symptoms: I can use my headphones when I first pair them, but I can't reconnect from then. Thanks, J