[ebzzry]

Originally Posted by richardpl

Try this:

# sysctl dev.pcm.0.polling=1

What is output of:
# pciconf -lv |grep -A 3 pcm

# sysctl dev.pcm.0.polling
outputs:

% sysctl dev.pcm.0.polling
sysctl: unknown oid 'dev.pcm.0.polling'

# pciconf -lv |grep -A 3 pcm
outputs:

pcm0@pci0:0:30:2:       class=0x040100 card=0x2047161f chip=0x266e8086 rev=0x04 hdr=0x00
    vendor     = 'Intel Corporation'
    device     = 'Intel Corporation  82830M/MG SDRAM Controller / Ho AC '97 Audio Controller/ Sigmatel (SoundMAX Integrated Digital Audio)'
    class      = multimedia