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Date: Sun, 30 Apr 2006 11:52:51 +1000 (EST)
From: Ian Smith <smithi@nimnet.asn.au>
To: Ulrich Spoerlein <uspoerlein@gmail.com>
In-Reply-To: <20060428151331.GA7607@roadrunner.q.local>
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Cc: freebsd-multimedia@freebsd.org
Subject: Re: /dev/speaker broken in 5.x? (fwd)
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On Fri, 28 Apr 2006, Ulrich Spoerlein wrote:

 > Ian Smith wrote:
 > > paqi# echo "T250L8CE-GE-C" > /dev/speaker  # works fine the 1st time ..
 > > paqi# fstat | grep speaker                 # but leaves speaker open ..
 > > root     csh         1919    4 /dev         72 crw-rw----  speaker  w
 > > root     fstat       1918    4 /dev         72 crw-rw----  speaker  w
 > > root     csh         1116    4 /dev         72 crw-rw----  speaker  w
 > > paqi# echo "T250L8CE-GE-C" > /dev/speaker  # no sound every 2nd time ..
 > > /dev/speaker: Device busy.
 > 
 > Interessting, but at least I am unable to reproduce it. What soundcard
 > do you have?

 > % dmesg|egrep spea\|pcm
 > pcm0: <Intel ICH4 (82801DB)> port 0xb800-0xb8ff,0xbc40-0xbc7f mem 0xf4fff800-0xf4fff9ff,0xf4fff400-0xf4fff4ff irq 9 at device 31.5 on pci0
 > pcm0: <SigmaTel STAC9750/51 AC97 Codec>
 > speaker0: <PC speaker> port 0x61,0x63,0x65,0x67 on acpi0

paqi# dmesg | grep "sbc\|speaker"
sbc0: <ESS ES1869 (Compaq OEM)> at port 0x330-0x331,0x388-0x38b,0x220-0x22f irq 5 drq 5,1 on isa0
pcm0: <ESS 18xx DSP> on sbc0
speaker0: <PC speaker> at port 0x61 on isa0

However I don't think the soundcard is relevant to /dev/speaker, which
here is on ISA (using APM) while I see yours is on ACPI, which might be
a clue.  OS version so far seems to matter more - are you running 6.x? 

paqi# uname -a
FreeBSD paqi.nimnet.asn.au 5.4-RELEASE FreeBSD 5.4-RELEASE #0: Tue Feb 21 19:18:27 EST 2006
root@paqi.nimnet.asn.au:/usr/src/sys/i386/compile/PAQI54_1  i386

Thanks for the datapoint Ulrich,

cheers, Ian