Today I've checked audio support. azalia0 at pci0 dev 27 function 0 "Intel SCH HD Audio" rev 0x07: apic 2 int 22 (irq 10) azalia0: codecs: Realtek ALC272 audio0 at azalia0
With vorbis-tools-1.4.0 `ogg123 song45.ogg` - I can hear music, but with a big noise. It works well in Linux $ lspci -vvv -s 00:1b.0 00:1b.0 Audio device: Intel Corporation System Controller Hub (SCH Poulsbo) HD Audio Controller (rev 07) Subsystem: Acer Incorporated [ALI] Device 0244 Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0, Cache Line Size: 64 bytes Interrupt: pin A routed to IRQ 22 Region 0: Memory at b0050000 (64-bit, non-prefetchable) [size=16K] Capabilities: <access denied> Kernel driver in use: HDA Intel Kernel modules: snd-hda-intel How can to found the problem and fix it?