Re: /dev/dsp inaccessible

From: Mike Maltese (mike_at_pcmedx.com)
Date: 08/18/03

  • Next message: Mike Maltese: "Re: /dev/dsp inaccessible" 
    To: <questions@freebsd.org>
Date: Sun, 17 Aug 2003 19:45:19 -0700

    Here are a couple of links that may be helpful:

    http://www.onlamp.com/pub/a/bsd/2002/09/19/FreeBSD_Basics.html
    http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/multimedia.html

    > hello all,
    >
    > i have been playing with FBSD for almost a year now. i would very much
    like to use
    > it for music recording and editing. i have installed several programs
    (audacity, spiral
    > synth modular, etc.) which all want to access /dev/dsp, however that
    device only
    > responds with error messages like 'device busy' or 'invalid playback
    device'.
    >
    > uname -a
    > <snip> 4.8-RELEASE-p3 FreeBSD 4.8-RELEASE-p3 #9: <snip> i386
    >
    > relevant lines from kernel config:
    > device pcm
    > device sbc <--- i recently added these two lines and recompiled,
    > option PNPBIOS <--- hoping it might make a difference. it
    didn't. :(
    >
    > relevant lines from dmesg:
    > pcm0: <ESS Technology Maestro-2E> port 0x1400-0x14ff irq 5 at device 8.0
    on pci0
    > pcm0: <SigmaTel STAC9721/9723 ac97 codec>
    >
    > cat /dev/sndstat
    > FreeBSD Audio Driver (newpcm)
    > Installed devices:
    > pcm0: <ESS Technology Maestro-2E> at I/O port 0x1400 irq 5 (4p/0r/0v
    channels duplex)
    >
    > cat /dev/dsp ---> cat: /dev/dsp: Device busy
    > fstat | grep dsp ---> provides no info
    >
    > neither esd nor any other sound daemon of which i am aware is running.
    >
    > xmms works fine (however it seems to access OSS drivers, not /dev/dsp
    directly.
    >
    > i have hunted all over trying to find a solution for this, but to no
    avail. i came across the
    > following Problem Report -->
    http://www.freebsd.org/cgi/query-pr.cgi?pr=48338, but am
    > neither sure it is the same thing nor certain about how to follow-up on
    open PRs.
    >
    > finally fixing this would really make my week. any suggestions?
    >
    >
    > thank you so much,
    > epilogue

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