On Fri, 2016-03-04 at 08:12 +0900, Mark Fletcher wrote: > I took delivery of a very nice pair of Bang & Olufsen BeoPlay H8 > bluetooth headphones yesterday. I've verified they work properly by > connecting them to my iPhone. > > When I try to connect them to my PC, I am not having so much luck. PC > is > a 7-year-old self-built desktop box running Jessie with Gnome as the > DE, > with Intel Core i7-920 CPU and 24GB RAM. Bluetooth capability comes > from > a rather younger (bought about 6 months ago) bluetooth USB dongle > which > I routinely use to connect my iPhone and Android tablets to the > computer > to play audio from them through the computer's speakers. So I know it > works fine too. > > Turning on bluetooth from the gnome applet, and putting the > headphones > into pairing mode, the computer quickly finds the headphones. When I > ask > the computer to connect it quickly does so, apparently successfully, > and > I hear the tones in the headphones indicating they too know they are > connected. But, pulseaudio doesn't recognise a new audio sink has > been > installed -- and I don't blame it, because of the below. > > Looking in the Gnome Log Viewer in messages, at the moment of > connecting > the headphones, I see this: > > Mar 4 08:07:17 kazuki gdm-Xorg-:0[1040]: (II) config/udev: Adding > input > device 00:09:A7:09:BE:22 (/dev/input/event17) > Mar 4 08:07:17 kazuki gdm-Xorg-:0[1040]: (**) 00:09:A7:09:BE:22: > Applying InputClass "evdev keyboard catchall" > Mar 4 08:07:17 kazuki gdm-Xorg-:0[1040]: (II) Using input driver > 'evdev' for '00:09:A7:09:BE:22' > Mar 4 08:07:17 kazuki gdm-Xorg-:0[1040]: (**) 00:09:A7:09:BE:22: > always > reports core events > Mar 4 08:07:17 kazuki gdm-Xorg-:0[1040]: (**) evdev: > 00:09:A7:09:BE:22: > Device: "/dev/input/event17" > Mar 4 08:07:17 kazuki gdm-Xorg-:0[1040]: (--) evdev: > 00:09:A7:09:BE:22: > Vendor 0 Product 0 > Mar 4 08:07:17 kazuki gdm-Xorg-:0[1040]: (--) evdev: > 00:09:A7:09:BE:22: > Found keys > Mar 4 08:07:17 kazuki kernel: [382097.651490] input: > 00:09:A7:09:BE:22 > as /devices/virtual/input/input30 > Mar 4 08:07:17 kazuki gdm-Xorg-:0[1040]: (II) evdev: > 00:09:A7:09:BE:22: > Configuring as keyboard > Mar 4 08:07:17 kazuki gdm-Xorg-:0[1040]: (**) Option "config_info" > "udev:/sys/devices/virtual/input/input30/event17" > Mar 4 08:07:17 kazuki gdm-Xorg-:0[1040]: (II) XINPUT: Adding > extended > input device "00:09:A7:09:BE:22" (type: KEYBOARD, id 13) > Mar 4 08:07:17 kazuki gdm-Xorg-:0[1040]: (**) Option "xkb_rules" > "evdev" > Mar 4 08:07:17 kazuki gdm-Xorg-:0[1040]: (**) Option "xkb_model" > "pc105" > Mar 4 08:07:17 kazuki gdm-Xorg-:0[1040]: (**) Option "xkb_layout" > "jp,us" > Mar 4 08:07:17 kazuki gdm-Xorg-:0[1040]: (**) Option "xkb_variant" > "," > Mar 4 08:07:17 kazuki gdm-Xorg-:0[1040]: (**) Option "xkb_options" > "grp:alt_shift_toggle,grp_led:scroll" > > > That doesn't look healthy. First of all it is detecting an INPUT > device, > presumably the headphone controls for volume and so on, and no OUTPUT > device. Second, it seems to think that what it has found is a > keyboard. > Pulseaudio can, it seems to me, be excused for thinking a keyboard > has > been added and not being accustomed to playing sound through a > keyboard... :-) > > I'm thinking this could be a udev problem of some kind -- perhaps I > am > missing appropriate udev rules? I am not sure how to diagnose the > problem from here, far less fix it, so any advice would be > appreciated. > Google has, unusually, turned up zilch. > > Thanks in advance > > Mark > Wouldn't headphones be pretty much like setting up a Bluetooth speaker? The only thing I did to get it working was making sure that pulseaudio- module-bluetooth was installed, everything else went without a hitch. -- Cheers, Sven Arvidsson http://www.whiz.se PGP Key ID 6FAB5CD5
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