Re: [GnomeMeeting-list] full-duplex problem with USB headset

[Damien Sandras <dsandras seconix com>]

Hi,


Can you test with an older kernel?
I have read reports where using an older kernel was fixing the issue.

Le jeudi 16 février 2006 à 18:47 +0100, Eric Chassande-Mottin a écrit :
> hi,
> 
> I have a full-duplex problem with my new USB headset.
> I am running Debian GNU/Linux with kernel 2.6.15
> on a laptop (Fujitsu-Siemens Lifebook S7010).
> The snd_usb_audio module is enabled (see lsmod below).
> I have ALSA (alsa-base and alsa-utils installed).
> 
> when I run the Gnomemeeting configuration's druid,
> it sees my USB headset.
> 
> If I select the USB headset for both input and output,
> I receive an error message saying that :
> 
> The selected audio device (USB Headset) was successfully opened but it
> is impossible to write data to this device. Please check your audio
> setup.
> 
> I made several additional tests :
> 
>                      input                                  output
>           sound card (microph)              USB headset         -> OK!
> (talk and hear)
>                 USB headset               sound card (loudsp)    -> OK!
>           sound card (microph)        sound card (loudsp)    -> OK!
> 
> I conclude the full duplex problem is due to the USB bus connection.
> 
> any hint on what's happening?
> 
> eric.
> 
> -----------------------------------------------------------------------------------
> 
> lsmod | grep snd
> snd_usb_audio          63808  0
> snd_usb_lib            12160  1 snd_usb_audio
> snd_rawmidi            17696  1 snd_usb_lib
> snd_seq_device          6284  1 snd_rawmidi
> snd_hwdep               6432  1 snd_usb_audio
> snd_intel8x0m          12684  5
> snd_intel8x0           25372  0
> snd_ac97_codec         79136  2 snd_intel8x0m,snd_intel8x0
> snd_ac97_bus            1920  1 snd_ac97_codec
> snd_pcm                66824  6
> snd_usb_audio,snd_intel8x0m,snd_intel8x0,snd_ac97_codec
> snd_timer              17924  1 snd_pcm
> snd                    39908  17
> snd_usb_audio,snd_rawmidi,snd_seq_device,snd_hwdep,snd_intel8x0m,snd_intel8x0,snd_ac97_codec,snd_pcm,snd_timer
> usbcore                97156  6
> snd_usb_audio,snd_usb_lib,usbhid,ehci_hcd,uhci_hcd
> soundcore               6880  1 snd
> snd_page_alloc          7432  3 snd_intel8x0m,snd_intel8x0,snd_pcm
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