Re: Sound device reported but no devices created
- From: "Freddie Cash" <fcash@xxxxxxxx>
- Date: Sun, 30 Jul 2006 08:33:36 -0700 (PDT)
On Sun, July 30, 2006 4:28 am, Peter Jeremy wrote:
On Sun, 2006-Jul-30 17:52:27 +1000, Ian Smith wrote:
Peter, I don't know if this is likely helpful or not, but my Compaq
is a 1500c with an ESS ES1869, reporting (on 5.4-RELEASE):
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
I too have in kernel:
device sound device snd_sbc #
ES1869 (Compaq OEM)
but after much headscratching it only finally worked after adding:
snd_ess_load="YES" # this fixed it .. bridge driver for ESS
That worked, thank you. The man pages are not the clearest here.
snd_ess(4) implies that all three drivers are needed but snd_sbc(4)
has no reference to it - which is what confused me.
The easiest (and most reliable I've found) method to determine which
sound driver(s) is needed for a particular sound card is:
# kldload snd_driver
# cat /dev/sndstat
<read the text to see what driver(s) it loaded>
# echo 'snd_<driver>_load="YES"' >> /boot/loader.conf
snd_driver will load every single sound driver available in FreeBSD,
all at once, and the kernel will attempt to detect every sound chipset
supported by those drivers.
The contents of /dev/sndstat will show which chipset was found, and
which specific driver is is being used (snd_ess in your case).
Putting just that one driver into loader.conf will pull in all the
needed dependecies (like sound, snd_sbc, etc).
----
Freddie Cash
fcash@xxxxxxxx
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