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Date: Sun, 28 Nov 2004 20:08:31 -0500
From: Jeremy Faulkner <gldisater@gldis.ca>
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To: doug@safeport.com
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cc: freebsd-questions@freebsd.org
Subject: Re: /dev/dsp busy
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doug@safeport.com wrote:
> I need help in finding the reason for the /dev/dsp busy message. fstat does not
> show any process using /dev/dsp.
> 
> I am running 5.3 with xorg, kde 3.3. When KDE starts, /dev/dsp tests busy which
> directs arts to /dev/null. There are no processes using /dev/dsp. I can play
> CDs using either kcd or 'cdcontrol -f /dev/acd0 play 1', so I think the sound
> card is setup okay.
> 
> However something is wrong since 'cat filename > /dev/dsp' produces no sound.
> 
> My configuration:
> 
> ls -l /dev/dsp
> crw-rw-rw-  1 root  wheel   30,   3 Nov 28 16:04 /dev/dsp
> 
> cat /dev/sndstat
> FreeBSD Audio Driver (newpcm)
> Installed devices:
> pcm0: <ESS Technology Maestro-2E> at I/O port 0x1400 irq 5 kld snd_maestro (4p/0r/0v channels duplex default)
> 
> loader.conf: snd_maestro_load="YES"
> 
> dmesg:
>   pcm0: <ESS Technology Maestro-2E> port 0x1400-0x14ff irq 5 at device 8.0 on pci0
>   pcm0: <SigmaTel STAC9721/23 AC97 Codec>
>   pcm0: [GIANT-LOCKED]
>   pcm0: <ESS Technology Maestro-2E> port 0x1400-0x14ff irq 5 at device 8.0 on pci0
>   pcm0: <SigmaTel STAC9721/23 AC97 Codec>
>   pcm0: [GIANT-LOCKED]
> 
> Thanks for any pointers.
>

try as root:
sysctl -w hw.snd.maxautovchans=4

-- 
Jeremy Faulkner	<gldisater@gldis.ca>
Resume:	http://www.gldis.ca/gldisater/resume.html