From owner-freebsd-multimedia  Mon Oct 16 10:29:11 2000
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From: "Cameron Grant" <gandalf@vilnya.demon.co.uk>
To: "Matthew Frost" <matthewf@orac.frost.net>
Cc: "j mckitrick" <jcm@FreeBSD-uk.eu.org>,
	"Dolgan" <sysctl@home.com>, <multimedia@freebsd.org>,
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References: <20001010012905.A3426@dogma.freebsd-uk.eu.org> <20001013214153.A1670@home.com> <20001014132123.A69191@dogma.freebsd-uk.eu.org> <003201c03617$f7603900$0504020a@haveblue> <20001015084017.B15920@orac.frost.net>
Subject: Re: sound problems under 4.1.1
Date: Mon, 16 Oct 2000 18:28:41 +0100
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> I've got a similar problem.  I went from a September 26th kernel to an
> October 14th and my Soundblaster stopped working:
>
> sbc0: <Creative SB AWE64> at port 0x220-0x22f,0x330-0x331,0x388-0x38b irq
5 drq 1,5 on isa0
> pcm0: <SB DSP 4.16> on sbc0
>
> Running tracker I get:
>
> "Could not query current format"

please try this patch on sys/dev/sound/pcm/dsp.c:

@@ -411,10 +411,12 @@

        case SNDCTL_DSP_SETFMT: /* sets _one_ format */
                splx(s);
+               if ((*arg_i != AFMT_QUERY)) {
                if (wrch)
                        ret = chn_setformat(wrch, (*arg_i) | (wrch->format &
AFMT_STEREO));
                if (rdch && ret == 0)
                        ret = chn_setformat(rdch, (*arg_i) | (rdch->format &
AFMT_STEREO));
+               }
                *arg_i = (wrch? wrch->format: rdch->format) & ~AFMT_STEREO;
                break;

    -cg




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