openbsd声卡嘶哑

tangyunqing

我在thinpad t20光盘安装了openbsd4.2 release,安装的时候选all．mplayer用pkg_add安装的,桌面用了默认的fvwm．我只在/etc/sysctl.conf中打开了machdep.uerldt=1
然后打开gmplayer,画面挺流畅的，声音嘶哑，滞后．用本本上的那个调音量的按纽调低音量还是一样．请各位高手帮下忙，我刚刚从debian转过来．
下面是我的一些信息
#dmesg
OpenBSD 4.2 (GENERIC) #375: Tue Aug 28 10:38:44 MDT 2007
    deraadt@i386.openbsd.org:/usr/src/sys/arch/i386/compile/GENERIC
cpu0: Intel Pentium III ("GenuineIntel" 686-class) 648 MHz
cpu0: FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE
real mem  = 267939840 (255MB)
avail mem = 251437056 (239MB)
mainbus0 at root
bios0 at mainbus0: AT/286+ BIOS, date 12/21/99, BIOS32 rev. 0 @ 0xfd820, SMBIOS rev. 2.3 @ 0xe0010 (45 entries)
bios0: vendor IBM version "IYET61WW (1.22 )" date 12/21/1999
bios0: IBM 264721C
apm0 at bios0: Power Management spec V1.2
apm0: battery life expectancy 100%
apm0: AC on, battery charge low
apm0: flags 30102 dobusy 0 doidle 1
pcibios0 at bios0: rev 2.1 @ 0xfd7b0/0x850
pcibios0: PCI IRQ Routing Table rev 1.0 @ 0xfdee0/208 (11 entries)
pcibios0: PCI Interrupt Router at 000:07:0 ("Intel 82371FB ISA" rev 0x00)
pcibios0: PCI bus #5 is the last bus
bios0: ROM list: 0xc0000/0xc000 0xcc000/0x1800 0xe0000/0x10000
cpu0 at mainbus0
pci0 at mainbus0 bus 0: configuration mode 1 (no bios)
pchb0 at pci0 dev 0 function 0 "Intel 82443BX AGP" rev 0x03
ppb0 at pci0 dev 1 function 0 "Intel 82443BX AGP" rev 0x03
pci1 at ppb0 bus 1
vga1 at pci1 dev 0 function 0 "S3 Savage/IX-MV" rev 0x11
wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation)
wsdisplay0: screen 1-5 added (80x25, vt100 emulation)
cbb0 at pci0 dev 2 function 0 "TI PCI1450 CardBus" rev 0x03: irq 11
cbb1 at pci0 dev 2 function 1 "TI PCI1450 CardBus" rev 0x03: irq 11
fxp0 at pci0 dev 3 function 0 "Intel 8255x" rev 0x09, i82559S: irq 11, address 00:10:a4:0d:e0:70
inphy0 at fxp0 phy 1: i82555 10/100 PHY, rev. 4
vendor "Xircom", unknown product 0x00d3 (class communications subclass serial, rev 0x00) at pci0 dev 3 function 1 not configured
clcs0 at pci0 dev 5 function 0 "Cirrus Logic CS4280/46xx CrystalClear" rev 0x01: irq 11
ac97: codec id 0x43525935 (Cirrus Logic CS4299 rev 5)
ac97: codec features headphone, 20 bit DAC, 18 bit ADC, Crystal Semi 3D
piixpcib0 at pci0 dev 7 function 0 "Intel 82371AB PIIX4 ISA" rev 0x02: SpeedStep
pciide0 at pci0 dev 7 function 1 "Intel 82371AB IDE" rev 0x01: DMA, channel 0 wired to compatibility, channel 1 wired to compatibility
wd0 at pciide0 channel 0 drive 0: <TOSHIBA MK4019GAX>
wd0: 16-sector PIO, LBA, 38153MB, 78138047 sectors
wd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 2
atapiscsi0 at pciide0 channel 1 drive 0
scsibus0 at atapiscsi0: 2 targets
cd0 at scsibus0 targ 0 lun 0: <LG, CD-ROM CRN-8241U, 2.24> SCSI0 5/cdrom removable
cd0(pciide0:1:0): using PIO mode 4, Ultra-DMA mode 2
uhci0 at pci0 dev 7 function 2 "Intel 82371AB USB" rev 0x01: irq 11
piixpm0 at pci0 dev 7 function 3 "Intel 82371AB Power" rev 0x03: SMI
iic0 at piixpm0
cardslot0 at cbb0 slot 0 flags 0
cardbus0 at cardslot0: bus 2 device 0 cacheline 0x8, lattimer 0xb0
pcmcia0 at cardslot0
cardslot1 at cbb1 slot 1 flags 0
cardbus1 at cardslot1: bus 5 device 0 cacheline 0x8, lattimer 0xb0
pcmcia1 at cardslot1
isa0 at piixpcib0
isadma0 at isa0
pckbc0 at isa0 port 0x60/5
pckbd0 at pckbc0 (kbd slot)
pckbc0: using irq 1 for kbd slot
wskbd0 at pckbd0: console keyboard, using wsdisplay0
pms0 at pckbc0 (aux slot)
pckbc0: using irq 12 for aux slot
wsmouse0 at pms0 mux 0
pcppi0 at isa0 port 0x61
midi0 at pcppi0: <C speaker>
spkr0 at pcppi0
lpt2 at isa0 port 0x3bc/4: polled
npx0 at isa0 port 0xf0/16: reported by CPUID; using exception 16
fdc0 at isa0 port 0x3f0/6 irq 6 drq 2
usb0 at uhci0: USB revision 1.0
uhub0 at usb0: Intel UHCI root hub, rev 1.00/1.00, addr 1
biomask effd netmask effd ttymask ffff
pctr: 686-class user-level performance counters enabled
mtrr: Pentium Pro MTRR support
dkcsum: wd0 matches BIOS drive 0x80
root on wd0a swap on wd0b dump on wd0b
clcs0: firmware loaded
audio0 at clcs0

#mixectl -a
outputs.master=255,255
outputs.master.mute=off
outputs.mono=255
outputs.mono.mute=on
outputs.mono.source=mixerout
outputs.headphones=255,255
outputs.headphones.mute=on
outputs.bass=255
outputs.treble=255
inputs.speaker=255
inputs.speaker.mute=off
inputs.phone=191
inputs.phone.mute=on
inputs.mic=191
inputs.mic.mute=on
inputs.mic.preamp=off
inputs.mic.source=mic0
inputs.line=191,191
inputs.line.mute=on
inputs.cd=191,191
inputs.cd.mute=off
inputs.video=191,191
inputs.video.mute=on
inputs.aux=191,191
inputs.aux.mute=on
inputs.dac=191,191
inputs.dac.mute=off
record.source=mic
record.volume=255,255
record.volume.mute=off
record.mic=0
record.mic.mute=off
outputs.loudness=off
outputs.spatial=off
outputs.spatial.center=0
outputs.spatial.depth=0
outputs.surround=255,255
outputs.surround.mute=off
outputs.center=255
outputs.center.mute=off
outputs.lfe=255
outputs.lfe.mute=off
outputs.extamp=off