Bose USB audio problems

Thu Oct 29 17:00:32 UTC 2009

On 10/29/2009 04:57 PM, Rick Stevens wrote:
> Richard Ryniker wrote:
>> Progress...
>>
>> Changes to /etc/pulse/default.pa did not work; the modified file caused
>> pulseaudio to fail with messages like these in syslog:
>>
>>   Oct 28 17:15:48 eee pulseaudio[1897]: module.c: Failed to open
>> module "module-detect": file not found
>>   Oct 28 17:15:48 eee pulseaudio[1897]: main.c: Module load failed.
>>   Oct 28 17:15:48 eee pulseaudio[1897]: main.c: Failed to initialize
>> daemon.
>>   Oct 28 17:15:48 eee pulseaudio[1895]: main.c: Daemon startup failed.
>>
>> Returned to the original /etc/pulse/default.pa.
>>
>> Restarting pulseaudio is a key step for success.
>>
>> If I log in with the Bose USB audio device not connected, pulseaudio
>> starts as usual.  When the USB audio output device is connected, it is
>> visible in the output from "aplay -l":
>>
>>   [ryniker at eee ~]$ aplay -l
>>   **** List of PLAYBACK Hardware Devices ****
>>   card 0: Intel [HDA Intel], device 0: ALC662 rev1 Analog [ALC662
>> rev1 Analog]
>>     Subdevices: 1/1
>>     Subdevice #0: subdevice #0
>>   card 1: Audio [Bose USB Audio], device 0: USB Audio [USB Audio]
>>     Subdevices: 1/1
>>     Subdevice #0: subdevice #0
>>   [ryniker at eee ~]$
>> but it is not shown in System->Preferences->Sound.
>>
>> Execute "pulseaudio -k" to restart pulseaudio, then the Bose device
>> appears in the System->Preferences->Sound dialog, and it may be selected
>> as the output device.
>>
>> Voila!  Sound from the Bose speakers.
>>
>> I understand aplay should accept a -D argument to select a specific
>> output device, but none of the values I tried - even for the built-in
>> audio hardware - would be accepted.  For example:
>>
>>   [ryniker at eee ~]$ aplay tingle.wav   Playing WAVE 'tingle.wav' :
>> Unsigned 8 bit, Rate 48000 Hz, Mono
>>   [ryniker at eee ~]$ aplay -l
>>   **** List of PLAYBACK Hardware Devices ****
>>   card 0: Intel [HDA Intel], device 0: ALC662 rev1 Analog [ALC662
>> rev1 Analog]
>>     Subdevices: 1/1
>>     Subdevice #0: subdevice #0
>>   card 1: Audio [Bose USB Audio], device 0: USB Audio [USB Audio]
>>     Subdevices: 1/1
>>     Subdevice #0: subdevice #0
>>   [ryniker at eee ~]$ aplay -D hw:0,0 tingle.wav   Playing WAVE
>> 'tingle.wav' : Unsigned 8 bit, Rate 48000 Hz, Mono
>>   aplay: set_params:979: Sample format non available
>>   [ryniker at eee ~]$
>> plays my test file (on the default sound output device), lists both
>> devices, but fails when asked to use an explicit device. 
>> If my sound preference output is the external device, and I unplug the
>> Bose USB device, sound output reverts to the built-in audio system. 
>> If I
>> then reconnect the Bose device, sound output returns to it
>> automatically.
>>
>> If I log out, disconnect the Bose system, log in, the whole process
>> repeats.  When I plug in the Bose USB device, I must restart pulseaudio
>> in order to make the USB audio output choice in Preferences->Sound.
>>
>> I doubt things are supposed to work this way, but I am happy to have a
>> way to work around the rough spots.  If more information is desired, I
>> shall be happy to run tests and supply it.
>>
>> When the Bose USB audio device is connected, syslog captures this:
>>
>>   Oct 28 21:24:21 eee kernel: usb 3-1: new full speed USB device
>> using uhci_hcd and address 2
>>   Oct 28 21:24:21 eee kernel: usb 3-1: New USB device found,
>> idVendor=05a7, idProduct=1020
>>   Oct 28 21:24:21 eee kernel: usb 3-1: New USB device strings: Mfr=1,
>> Product=2, SerialNumber=0
>>   Oct 28 21:24:21 eee kernel: usb 3-1: Product: Bose USB Audio
>>   Oct 28 21:24:21 eee kernel: usb 3-1: Manufacturer: Bose Corporation
>>   Oct 28 21:24:21 eee kernel: usb 3-1: configuration #1 chosen from 1
>> choice
>>   Oct 28 21:24:21 eee kernel: generic-usb 0003:05A7:1020.0001:
>> hiddev96,hidraw0: USB HID v1.10 Device [Bose Corporation Bose USB
>> Audio] on usb-0000:00:1d.1-1/input2
>>   Oct 28 21:24:21 eee kernel: ALSA sound/usb/usbaudio.c:1295: 2:1:1:
>> cannot get freq at ep 0x1
>>   Oct 28 21:24:21 eee kernel: usbcore: registered new interface
>> driver snd-usb-audio
>>   Oct 28 21:24:21 eee pulseaudio[1461]: module-alsa-card.c: Failed to
>> find a working profile.
>>   Oct 28 21:24:21 eee pulseaudio[1461]: module.c: Failed to load 
>> module "module-alsa-card" (argument: "device_id="1"
>> name="usb-Bose_Corporation_Bose_USB_Audio-00"
>> card_name="alsa_card.usb-Bose_Corporation_Bose_USB_Audio-00"
>> tsched=yes ignore_dB=no
>> card_properties="module-udev-detect.discovered=1""): initialization
>> failed
>>
>> Last two lines repeated 4 times.
>>
>>   Oct 28 21:24:22 eee pulseaudio[1461]: module-udev-detect.c: Tried
>> to configure
>> /devices/pci0000:00/0000:00:1d.1/usb3/3-1/3-1:1.0/sound/card1
>> (alsa_card.usb-Bose_Corporation_Bose_USB_Audio-00) more often than 5
>> times in 10s
>>
>> Every time my test file is played on the Bose device, syslog captures
>> another line like this:
>>
>>   Oct 28 22:35:13 eee kernel: ALSA sound/usb/usbaudio.c:1295: 7:1:1:
>> cannot get freq at ep 0x1
>>
>> but the output sounds good.
>
> I suspect the udev rules for USB should be modified to force a
> pulseaudio restart when a sound device is plugged in.  I've run into
> this with, for example, cameras with a built-in mic, too.
>

It wont get fixed if it aint reported...

It would be great if both of you would report this in bugzilla against
pulseaudio

JGB
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