FreeBSD Audio Driver (newpcm: 32bit 2007061600/i386)
Installed devices:
pcm0: <ESS 1878 DSP> at io 0x220 irq 5 drq 1 bufsz 4096  [GIANT] (1p:1v/1r:1v channels default)
	[pcm0:play:dsp0.p0]: spd 46794, fmt 0x10000010, flags 0x00101000, 0x00000000
	interrupts 3552, underruns 1, feed 3552, ready 0 [b:4096/2048/2|bs:4096/2048/2]
	{userland} -> feeder_vchan(0x10000010) -> {hardware}
	pcm0:play:dsp0.p0[pcm0:virtual:dsp0.vp0]: spd 44100/46794, fmt 0x10000010, flags 0x10000000, 0x00000008
	interrupts 0, underruns 0, feed 0, ready 0 [b:0/0/0|bs:131072/65536/2]
	{userland} -> feeder_root(0x10000010) -> feeder_rate(44100 -> 46794) -> {hardware}
	[pcm0:record:dsp0.r0]: spd 46794, fmt 0x10000010, flags 0x00101000, 0x00000000
	interrupts 0, overruns 0, feed 0, hfree 4096, sfree 4096 [b:4096/2048/2|bs:4096/2048/2]
	{hardware} -> feeder_root(0x10000010) -> feeder_vchan(0x10000010) -> {userland}
	pcm0:record:dsp0.r0[pcm0:virtual:dsp0.vr0]: spd 0, fmt 0x00000000/0x00000008, flags 0x10000000, 0x00000000
	interrupts 0, overruns 0, feed 0, hfree 0, sfree 0 [b:0/0/0|bs:0/0/0]
	{hardware} -> feeder_root(0x00000000) -> {userland}