snd_sbc doesn't create a device in /dev

[takawata at jp.freebsd.org]

In message <opsfqz24r18527sy at outgoing.local>, Ronald Klop wrote:
>Now I see these extra lines at boot:
>sbc0: <ESS 688> at port 0x220-0x22f irq 5 drq 1 flags 0x15 on isa0
>sbc0: [GIANT-LOCKED]
>After kldunload/kldload snd_sbc it says drq 5,1, but the rest is the same.
>
>But there is no extra device in /dev.
>Am I missing something?
>
>Attached is my dmesg.boot. I do have two sound devices and the emu10k1 is  
>detected properly.
>Is something conflicting? Can I give more debug info?
>
>I have these modules loaded.
>  1   21 0xc0400000 2a1d90   kernel
>  2    1 0xc06a2000 9970     cd9660.ko
>  3    1 0xc06ac000 ea68     msdosfs.ko
>  4    1 0xc06bb000 7494     snd_emu10k1.ko
>  5    3 0xc06c3000 1d4fc    sound.ko
>  7    1 0xc06e6000 5bcc     g_md.ko
>  8    1 0xc06ec000 1a1c     mem.ko
>  9    1 0xc06ee000 1bcc     io.ko
>10   14 0xc06f0000 536fc    acpi.ko
>11    2 0xc15b6000 5000     procfs.ko
>12    1 0xc15cc000 5000     linprocfs.ko
>13    1 0xc15d1000 17000    linux.ko
>14    1 0xc1686000 2c000    nfsclient.ko
>15    1 0xc16e3000 1e000    nfsserver.ko
>16    1 0xc1cd1000 4000     snd_sbc.ko

Try

# kldload snd_ess.ko

also.