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Date:      Tue, 06 Feb 2001 04:50:44 -0800
From:      Pavlin Ivanov Radoslavov <pavlin@catarina.usc.edu>
To:        freebsd-questions@FreeBSD.ORG
Cc:        rat-users@cs.ucl.ac.uk, pavlin@catarina.usc.edu
Subject:   SoundBlaster on laptop and RAT/VAT mike problem
Message-ID:  <200102061250.EAA29350@rumi.usc.edu>

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Recently I updated my Micron Millenia TransPort laptop from
FreeBSD-3.3 to 4.2. Before the upgrade I could use the audio and the
built-in mike with rat (/usr/ports/mbone/rat, ver-4.2.9). After the
upgrade however, I can receive audio, but I cannot use the mike
(e.g. when I click the right mouse button to transmit, the rat mike
volume control always moves itself to 75%, and there is just noise
on the other side). No help even with the lastest rat-4.2.12, and no
success with vat as well.

I went through the FreeBSD mail archive and
http://www.freebsddiary.org/sound.html, but I coudn't find an
answer.

I was wondering if this is because of a (known?) problem with the
new FreeBSD audio device driver, or because I have misconfigured or
missed something. My guess is that there is something wrong with the
duplex-mode appearance of the card, because rat requres the card to
work in duplex mode.

Below is the relevant technical information.

Thanks,
Pavlin


 * dmesg (FreeBSD-4.2):
sbc0: <Soundblaster 16> at port 0x220-0x22f irq 5 drq 1 flags 0x15 on isa0
pcm0: <SB DSP 4.13> on sbc0

pavlin@davinci[563] cat /dev/sndstat 
FreeBSD Audio Driver (newpcm) Jan 26 2001 16:52:26
Installed devices:
pcm0: <SB DSP 4.13> at io 0x220 irq 5 drq 1:5 (1p/1r channels duplex)

 * FreeBSD-4.2 kernel configuration (mike not working):
device          isa
device          eisa
device          pci
device          pcm
device          sbc0 at isa? port 0x220 irq 5 drq 1 flags 0x15

 * FreeBSD-3.3 kernel configuration (working):
controller      isa0
controller      pnp0
controller      eisa0
controller      pci0
device pcm0 at isa? port? tty irq 5 drq 1 flags 0x15

davinci# ./MAKEDEV snd0
davinci# ./MAKEDEV snd1
davinci# ./MAKEDEV vat

pavlin@davinci[566] mixer -f /dev/mixer0
Mixer vol      is currently set to  76:76
Mixer bass     is currently set to  50:50
Mixer treble   is currently set to  50:50
Mixer synth    is currently set to   0:0
Mixer pcm      is currently set to  75:75
Mixer speaker  is currently set to  75:75
Mixer line     is currently set to   0:0
Mixer mic      is currently set to  50:50
                                    ~~~~~
#!!! This after reboot is 0:0, but setting it to any values
#    doesn't help
Mixer cd       is currently set to  75:75
Mixer igain    is currently set to   0:0
Mixer ogain    is currently set to  50:50

pavlin@davinci[569] vat 224.0.1.20/12321
sorry, no supported formats
failed to select input 
sorry, no supported formats
failed to set mic volume 
failed set input line volume 
failed to output level 70 
failed to output level 70 
sorry, no supported formats
failed to set mic volume 
failed set input line volume 

(No warning/error messages when start rat)


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