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From: "Tom W. Cutter" <twcutter@mowgli.wr.usgs.gov>
Message-Id: <199605151558.IAA04770@mowgli.wr.usgs.gov>
Subject: Re: vat under 2.2-current
To: kuku@gilberto.physik.rwth-aachen.de (Christoph P. Kukulies)
Date: Wed, 15 May 1996 08:58:13 -0700 (PDT)
Cc: multimedia@freebsd.org
In-Reply-To: <199605141714.TAA09694@gilberto.physik.rwth-aachen.de> from "Christoph P. Kukulies" at May 14, 96 07:14:50 pm
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Christoph,
The sendmsg means your transmit ion is over driving the buffer space
because your WAN output bandwidth is insufficient to keep up with your 
output rate.  PCM takes a full 64K bandwidth.  Try using gsm with its
13K/sec rate or lpc4 with a 9.6K/sec rate.
- Tom Cutter

>>>>> Christoph P. Kukulies writes:
> I removed the isa_dmastart: channel busy from isa.c
> and as a consequence of this (not absolutely sure) I 
> could run a vat session without system freeze.
> 
> But what I get is:
> failed PCM 64 
> sendmsg: No buffer space available
> sendmsg: No buffer space available
> sendmsg: No buffer space available
> sendmsg: No buffer space available
> sendmsg: No buffer space available
> sendmsg: No buffer space available
> 
> The failed PCM messages appear a lot when moving the speaker slider
> and I doubt whether it is really a useful message. More concerns me
> the sendmsg: No buffer space available message.