sox in freebsd 8.0

[Kernel Jake]

I recently upgraded from 6.2 to 8.0-RELEASE.  In 6.2 I recorded audio using the following command:

$ /usr/local/bin/sox -c2 -w -r32000 -tossdsp /dev/audio -t wav -r 44100 -w -c 2 -

The sox option -w has changed to -2 since then, but the new sox command doesn't work in 8.0.  I get the following error:

$ /usr/local/bin/sox -c2 -2 -r32000 -tossdsp /dev/audio -t wav -r 44100 -2 -c 2 -
/usr/local/bin/sox WARN wav: Length in output .wav header will be wrong since can't seek to fix it
Input File     : '/dev/audio' (ossdsp)
Channels       : 2
Sample Rate    : 32000
Precision      : 16-bit
Sample Encoding: 16-bit Signed Integer PCM

In:0.00% 00:00:00.00 [00:00:00.00] Out:0     [      |      ]        Clip:0    
In:0.00% 00:00:00.00 [00:00:00.00] Out:0     [      |      ]        Clip:0    
Done.
/usr/local/bin/sox FAIL sox: `/dev/audio' lsx_readbuf: Invalid argument
RIFF$??WAVEfmt D??data??

I tried to use a simpler sox command and received the same error:
$ /usr/local/bin/sox -t ossdsp /dev/dsp -t .wav -r 44100 -c 2 -

In /var/log/messages I see:
canary kernel: pcm0: chn_read(): pcm0:record:dsp0.r1: record interrupt timeout, channel dead

> uname -a
FreeBSD canary 8.0-RELEASE FreeBSD 8.0-RELEASE #1: Sat Dec 19 01:19:14 CST 2009 jake at canary:/usr/obj/usr/src/sys/CANARY  i386
 		 	   		  
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