[AG-TECH] Issue with RedHat 7.2, rat, and full duplex

Robert Olson olson at mcs.anl.gov
Tue Feb 25 14:45:28 CST 2003

ah, that'd be the probelm. The delta is sort of a funky device. Notice that 
it shows up as having separate input and output devices, not unified full 
duplex in/out devices.

I think that for rat to work properly with this device it will require 
modifications to the rat audio driver to use the different devices for 
input and output.


At 03:42 PM 2/25/2003 -0500, David Bradford wrote:
>I don't know what Russ is running, but I have an M-Audio Delta 
>1010lt.  Here's the sndstat.  Thanks, David.
>[ag at cism-ag-audio]# cat /dev/sndstat
>OSS/Linux 3.9.7f (C) 4Front Technologies 1996-2002
>License serial number: N02696502
>Drivers: ENVY24
>This copy of OSS is licensed to David Bradford
>Build: 2.4.19
>Card config:
>IC Ensemble ENVY24
>Audio devices:
>0: M Audio Delta 1010LT out1/2
>1: M Audio Delta 1010LT out3/4
>2: M Audio Delta 1010LT out5/6
>3: M Audio Delta 1010LT out7/8
>4: M Audio Delta 1010LT S/PDIF out
>5: M Audio Delta 1010LT in1/2
>6: M Audio Delta 1010LT in3/4
>7: M Audio Delta 1010LT in5/6
>8: M Audio Delta 1010LT in7/8
>9: M Audio Delta 1010LT S/PDIF in
>10: M Audio Delta 1010LT input from mon. mixer
>11: M Audio Delta 1010LT (all outputs)
>12: M Audio Delta 1010LT (all inputs)
>Synth devices:
>Midi devices:
>0: M Audio Delta 1010LT #1
>0: System clock
>0: M Audio Delta 1010LT
>AUDIO FROM /proc/pci
>   Bus  3, device   2, function  0:
>     Multimedia audio controller: IC Ensemble Inc ICE1712 [Envy24] (rev 2).
>       IRQ 5.
>       Master Capable.  Latency=32.
>       I/O at 0xb000 [0xb01f].
>       I/O at 0xb400 [0xb40f].
>       I/O at 0xb800 [0xb80f].
>       I/O at 0xbc00 [0xbc3f].
>-----Original Message-----
>From: owner-ag-tech at mcs.anl.gov [mailto:owner-ag-tech at mcs.anl.gov] On 
>Behalf Of Robert Olson
>Sent: Tuesday, February 25, 2003 3:20 PM
>To: bradford at bu.edu; ag-tech at mcs.anl.gov
>Cc: dab
>Subject: Re: [AG-TECH] Issue with RedHat 7.2, rat, and full duplex
>what card is it?
>what does cat /dev/sndstat say?
>At 03:14 PM 2/25/2003 -0500, David Bradford wrote:
>>   Russ Wolf has been helping me set up our audio machine, and we've 
>> encountered a problem.  As he has the exact same problem on one of his 
>> machines with a different audio card and setup (I am using oss and he 
>> built a driver into his kernel), we don't think it's an issue with the card.
>>   When we try to start up rat-debug, we get:
>>   1736:mbus_config.c:661 using Addr: Port:47000 
>>   1736:process.c:83 
>> PATH=/usr/local/ag/debug-bin:/bin:/usr/bin:/usr/local/bin:/sbin:/usr/sbin:/usr/local/ag/bin:. 
>>   1737:main_ui.c:104 rat-ui started argc=5
>>   1737:mbus_config.c:661 using Addr: Port:47000 
>>   1737:main_ui.c:118 Waiting for mbus.waiting(rat-token-761a2e82) from 
>> controller...
>>   1737:main_ui.c:120 ...got it
>>   1737:main_ui.c:126 Waiting for mbus.go(rat-token-761a2e82) from 
>> controller...
>>   1736:process.c:83 
>> PATH=/usr/local/ag/debug-bin:/bin:/usr/bin:/usr/local/bin:/sbin:/usr/sbin:/usr/local/ag/bin:.:. 
>>   1736:main_control.c:509 Waiting for rat-token-588e0344 from media 
>> engine...
>>   1738:main_engine.c:88 token[0] = rat-token-588e0344
>>   1738:auddev_oss.c:185 device mask for /dev/mixer0:
>>   1738:auddev_oss.c:197 recording mask for /dev/mixer0:
>>   1738:auddev_oss.c:267 testing /dev/dsp0 support for full duplex 
>> operation: no
>>Any ideas would be most welcome, as this seems to be the last issue 
>>standing between me and a working grid node.  Thanks in advance for any help,
>>David Bradford
>>Astronomy Department
>>Boston University
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