From owner-freebsd-multimedia  Wed Mar  3  8:51:29 1999
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Date: Wed, 03 Mar 1999 08:50:38 +0000
From: Erik Umenofer <eriku@silcom.com>
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To: Norbert Grundmann <grundman@I5.informatik.rwth-aachen.de>
Cc: multimedia@freebsd.org
Subject: DMA/IRQ timeout on SB16
References: <199903031003.LAA17634@hopper.Informatik.RWTH-Aachen.DE>
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Norbert Grundmann wrote:

> Content-MD5: oZ9Ubs/H8MDgfeSgn3iSXg==
>
> >Hi.
> >I have a Vibra16x
> >
> >dmesg.....
> >
> >sb0 at 0x220 irq 5 drq 1 on isa
> >snd0: <SoundBlaster 16 4.16>
> >sbxvi0 at drq 5 on isa
> >snd0: <SoundBlaster 16 4.16>
> >sbmidi0 at 0x330 on isa
> >snd0: <SoundBlaster MPU-401>
> >opl0 at 0x388 on isa
> >snd0: <Yamaha OPL3 FM>
> >
> >Loosk good huh??
> >
> >well....
> >
> >Sound: DMA (output) timed out - IRQ/DRQ config error?
> >
> >is all i get....
> >
> >I've tried drq's 1, 3 but then it says on dmesg
> >
> >sb0 at 0x220 irq 5 drq 1 on isa
> >snd0: <SoundBlaster 16 4.16>
> >SB16 Error: Invalid DMA channel 1/3
> >bxvi0 not found
> >sbmidi0 at 0x330 on isa
> >snd0: <SoundBlaster MPU-401>
> >opl0 at 0x388 on isa
> >snd0: <Yamaha OPL3 FM>
> >
> >How do I tweak my dma's so that it doesnt' time out and the kernel likes
> >it
> >
> >ive tried 1,3 and 1,5
> >WHat else can I do.
> >IRQ 5 is correct.
> >
> >
> >erik
>
> Hello,
>
> i had nearly the same problem with a ASound Gold
> soundblaster compatible board.  I had commented out
> in a source file the question if the drq for 16 bit
> transfers is greater or equal 5.
>
> The irq should make no problems, the drq is the
> problem.
>
> The message 'SB16 Error: Invalid DMA channel 1/3'
> I had left, but only for remembering reasons.
>
> Hope it helps,
>
>         Norbert
>
> PS: Sorry, i can't say excatly what file to change,
> I am not at home.  Perhaps I look into my own host
> at home.
>
> +------------------------+------------------------+
> | EMail: Norbert.Grundmann@post.rwth-aachen.de    |
> |    or: grundman@i5.informatik.rwth-aachen.de    |
> |                                                 |
> |                          ...powered by FreeBSD  |
> +------------------------+------------------------+

Hello, does anyone know what file this is?
I think the problem is that my card uses
irq 5 drq's 1 and 3 but the sound driver thinks that 1 and 3 aren't valid.

How can I go around this?



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