jakemsr sent this which fixed the problem on "6SERIES" and is documented on datasheets of these other chipsets as well:
Index: azalia.c =================================================================== RCS file: /cvs/src/sys/dev/pci/azalia.c,v retrieving revision 1.198 diff -u -r1.198 azalia.c --- azalia.c 3 Jul 2011 15:47:16 -0000 1.198 +++ azalia.c 7 Aug 2011 16:46:21 -0000 @@ -448,6 +448,17 @@ } break; + + case PCI_PRODUCT_INTEL_6SERIES_HDA: + case PCI_PRODUCT_INTEL_3400_HDA: + case PCI_PRODUCT_INTEL_QS57_HDA: + reg = azalia_pci_read(az->pc, az->tag, 0x79); + azalia_pci_write(az->pc, az->tag, 0x79, reg & ~0x08); + reg = azalia_pci_read(az->pc, az->tag, 0x79); + if (reg & 0x08) + printf(": could not enable PCIe cache snooping\n"); + break; + } } Jairo Souto [jairo.so...@holdinggem.com.br] wrote: > I can get only noise from the audio of the Acer Aspire 5820T-6825 azalia. > > The kernel is OpenBSD uranio.dlg 4.9 GENERIC.MP#2 amd64 > only modified for the alc0 driver to operate. As I have a > compatible wireless usb there is no problem with the Broadcom not > configured. But the sound is required and I can not get it to > run. > > Do you have any help? > > dmesg, audio -a, mixerctl -av follow > > dmesg: > ----- > OpenBSD 4.9 (GENERIC.MP) #2: Sun Jul 17 09:40:29 BRT 2011 > jso...@uranio.dlg:/usr/src/sys/arch/amd64/compile/GENERIC.MP > RTC BIOS diagnostic error 80<clock_battery> > real mem = 3008843776 (2869MB) > avail mem = 2914725888 (2779MB) > mainbus0 at root > bios0 at mainbus0: SMBIOS rev. 2.6 @ 0xe9460 (51 entries) > bios0: vendor INSYDE version "V1.23" date 12/21/2010 > bios0: Acer Aspire 5820T > acpi0 at bios0: rev 2 > acpi0: sleep states S0 S3 S4 S5 > acpi0: tables DSDT FACP ASF! HPET APIC MCFG SLIC BOOT ASPT WDAT SSDT > acpi0: wakeup devices EHC1(S3) EHC2(S3) PXSX(S4) RP01(S4) PXSX(S4) PXSX(S4) > PXSX(S4) PXSX(S4) PXSX(S4) PXSX(S4) > acpitimer0 at acpi0: 3579545 Hz, 24 bits > acpihpet0 at acpi0: 14318179 Hz > acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat > cpu0 at mainbus0: apid 0 (boot processor) > cpu0: Intel(R) Core(TM) i5 CPU M 480 @ 2.67GHz, 2660.88 MHz > cpu0: > FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,SBF,SSE3,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,SSE4.1,SSE4.2,POPCNT,NXE,LONG > cpu0: 256KB 64b/line 8-way L2 cache > cpu0: apic clock running at 133MHz > cpu1 at mainbus0: apid 1 (application processor) > cpu1: Intel(R) Core(TM) i5 CPU M 480 @ 2.67GHz, 2660.46 MHz > cpu1: > FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,SBF,SSE3,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,SSE4.1,SSE4.2,POPCNT,NXE,LONG > cpu1: 256KB 64b/line 8-way L2 cache > cpu2 at mainbus0: apid 4 (application processor) > cpu2: Intel(R) Core(TM) i5 CPU M 480 @ 2.67GHz, 2660.46 MHz > cpu2: > FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,SBF,SSE3,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,SSE4.1,SSE4.2,POPCNT,NXE,LONG > cpu2: 256KB 64b/line 8-way L2 cache > cpu3 at mainbus0: apid 5 (application processor) > cpu3: Intel(R) Core(TM) i5 CPU M 480 @ 2.67GHz, 2660.46 MHz > cpu3: > FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,SBF,SSE3,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,SSE4.1,SSE4.2,POPCNT,NXE,LONG > cpu3: 256KB 64b/line 8-way L2 cache > ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 20, 24 pins > ioapic0: misconfigured as apic 0, remapped to apid 2 > acpimcfg0 at acpi0 addr 0xf0000000, bus 0-127 > acpiprt0 at acpi0: bus 0 (PCI0) > acpiprt1 at acpi0: bus -1 (P0P2) > acpiprt2 at acpi0: bus 3 (P0P1) > acpiprt3 at acpi0: bus 1 (RP01) > acpiprt4 at acpi0: bus -1 (RP02) > acpiprt5 at acpi0: bus -1 (RP03) > acpiprt6 at acpi0: bus -1 (RP04) > acpiprt7 at acpi0: bus -1 (RP05) > acpiprt8 at acpi0: bus -1 (RP07) > acpiprt9 at acpi0: bus -1 (RP08) > acpiprt10 at acpi0: bus -1 (PEG3) > acpiprt11 at acpi0: bus -1 (PEG5) > acpiec0 at acpi0 > acpicpu0 at acpi0: C3, C1, PSS > acpicpu1 at acpi0: C3, C1, PSS > acpicpu2 at acpi0: C3, C1, PSS > acpicpu3 at acpi0: C3, C1, PSS > acpitz0 at acpi0: critical temperature 105 degC > acpibat0 at acpi0: BAT1 model "AS10B3E" serial 7F5A type LION oem "SANYO" > acpiac0 at acpi0: AC unit online > acpibtn0 at acpi0: PWRB > acpibtn1 at acpi0: LID0 > acpibtn2 at acpi0: SLPB > acpivideo0 at acpi0: GFX0 > acpivout0 at acpivideo0: LCD_ > acpivideo1 at acpi0: VGA_ > cpu0: Enhanced SpeedStep 2660 MHz: speeds: 2667, 2666, 2533, 2399, 2266, > 2133, 1999, 1866, 1733, 1599, 1466, 1333, 1199 MHz > pci0 at mainbus0 bus 0 > pchb0 at pci0 dev 0 function 0 "Intel Core Host" rev 0x18 > vga1 at pci0 dev 2 function 0 "Intel Mobile HD graphics" rev 0x18 > wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation) > wsdisplay0: screen 1-5 added (80x25, vt100 emulation) > intagp0 at vga1 > agp0 at intagp0: aperture at 0xc0000000, size 0x10000000 > inteldrm0 at vga1: apic 2 int 16 (irq 7) > drm0 at inteldrm0 > "Intel 3400 MEI" rev 0x06 at pci0 dev 22 function 0 not configured > ehci0 at pci0 dev 26 function 0 "Intel 3400 USB" rev 0x05: apic 2 int 16 (irq > 7) > usb0 at ehci0: USB revision 2.0 > uhub0 at usb0 "Intel EHCI root hub" rev 2.00/1.00 addr 1 > azalia0 at pci0 dev 27 function 0 "Intel 3400 HD Audio" rev 0x05: apic 2 int > 22 (irq 11) > azalia0: codecs: Realtek ALC269, Intel/0x2804, using Realtek ALC269 > audio0 at azalia0 > ppb0 at pci0 dev 28 function 0 "Intel 3400 PCIE" rev 0x05: apic 2 int 17 (irq > 255) > pci1 at ppb0 bus 1 > alc0 at pci1 dev 0 function 0 "Attansic Technology L1D" rev 0xc0: apic 2 int > 16 (irq 7), address 60:eb:69:d8:e3:e3 > atphy0 at alc0 phy 0: F1 10/100/1000 PHY, rev. 15 > ppb1 at pci0 dev 28 function 5 "Intel 3400 PCIE" rev 0x05: apic 2 int 16 (irq > 255) > pci2 at ppb1 bus 2 > "Broadcom BCM43225" rev 0x01 at pci2 dev 0 function 0 not configured > ehci1 at pci0 dev 29 function 0 "Intel 3400 USB" rev 0x05: apic 2 int 23 (irq > 11) > usb1 at ehci1: USB revision 2.0 > uhub1 at usb1 "Intel EHCI root hub" rev 2.00/1.00 addr 1 > ppb2 at pci0 dev 30 function 0 "Intel 82801BAM Hub-to-PCI" rev 0xa5 > pci3 at ppb2 bus 3 > pcib0 at pci0 dev 31 function 0 "Intel HM55 LPC" rev 0x05 > ahci0 at pci0 dev 31 function 2 "Intel 3400 AHCI" rev 0x05: apic 2 int 19 > (irq 10), AHCI 1.3 > scsibus0 at ahci0: 32 targets > sd0 at scsibus0 targ 0 lun 0: <ATA, WDC WD5000BEVT-2, 01.0> SCSI3 0/direct > fixed > sd0: 476940MB, 512 bytes/sec, 976773168 sec total > cd0 at scsibus0 targ 1 lun 0: <MATSHITA, DVD-RAM UJ892AS, 1.00> ATAPI 5/cdrom > removable > ichiic0 at pci0 dev 31 function 3 "Intel 3400 SMBus" rev 0x05: apic 2 int 19 > (irq 10) > iic0 at ichiic0 > spdmem0 at iic0 addr 0x50: 2GB DDR3 SDRAM PC3-10600 SO-DIMM > spdmem1 at iic0 addr 0x52: 2GB DDR3 SDRAM PC3-10600 SO-DIMM > itherm0 at pci0 dev 31 function 6 "Intel 3400 Thermal" rev 0x05 > isa0 at pcib0 > 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 > spkr0 at pcppi0 > mtrr: Pentium Pro MTRR support > uhub2 at uhub0 port 1 "Intel Rate Matching Hub" rev 2.00/0.00 addr 2 > uvideo0 at uhub2 port 1 configuration 1 interface 0 "Suyin 1.3M WebCam" rev > 2.00/2.15 addr 3 > video0 at uvideo0 > uhub3 at uhub1 port 1 "Intel Rate Matching Hub" rev 2.00/0.00 addr 2 > uhidev0 at uhub3 port 2 configuration 1 interface 0 "vendor 0x15d9 USB > OPTICAL MOUSE" rev 1.10/1.00 addr 3 > uhidev0: iclass 3/1 > ums0 at uhidev0: 3 buttons, Z dir > wsmouse1 at ums0 mux 0 > vscsi0 at root > scsibus1 at vscsi0: 256 targets > softraid0 at root > root on sd0a swap on sd0b dump on sd0b > > > audio -a: > -------- > name=HD-Audio > version=1.0 > config=azalia0 > encodings=slinear_le:16:2:1,slinear_le:20:4:1,slinear_le:24:4:1 > properties=full_duplex,independent > full_duplex=0 > fullduplex=0 > blocksize=9600 > hiwat=6 > lowat=4 > output_muted=0 > monitor_gain=0 > mode= > play.rate=48000 > play.sample_rate=48000 > play.channels=2 > play.precision=16 > play.bps=2 > play.msb=1 > play.encoding=slinear_le > play.gain=126 > play.balance=32 > play.port=0x0 > play.avail_ports=0x0 > play.seek=0 > play.samples=0 > play.eof=0 > play.pause=0 > play.error=0 > play.waiting=0 > play.open=0 > play.active=0 > play.buffer_size=65536 > play.block_size=9600 > play.errors=0 > record.rate=48000 > record.sample_rate=48000 > record.channels=2 > record.precision=16 > record.bps=2 > record.msb=1 > record.encoding=slinear_le > record.gain=120 > record.balance=32 > record.port=0x0 > record.avail_ports=0x0 > record.seek=0 > record.samples=0 > record.eof=0 > record.pause=0 > record.error=0 > record.waiting=0 > record.open=0 > record.active=0 > record.buffer_size=65536 > record.block_size=9600 > record.errors=0 > > > mixerctl -av: > ------------ > inputs.dac-0:1=126,126 > inputs.dac-2:3=126,126 > record.adc-2:3_mute=off [ off on ] > record.adc-2:3=120,120 > record.adc-0:1_mute=off [ off on ] > record.adc-0:1=120,120 > inputs.mix_source=mic2 { mic2 } > inputs.mix_mic2=120,120 > inputs.mix2_source=dac-0:1,mix { dac-0:1 mix } > inputs.mix3_source=dac-2:3,mix { dac-2:3 mix } > inputs.mic=85,85 > outputs.spkr_source=mix3 [ mix2 mix3 ] > outputs.spkr_mute=on [ off on ] > outputs.spkr_eapd=on [ off on ] > outputs.mic2_source=mix3 [ mix3 ] > outputs.mic2_mute=off [ off on ] > inputs.mic2=85,85 > outputs.mic2_dir=input-vr80 [ none output input input-vr0 input-vr50 > input-vr80 ] > outputs.SPDIF_source=dig-dac-0:1 [ dig-dac-0:1 ] > outputs.hp_source=mix2 [ mix2 mix3 ] > outputs.hp_mute=off [ off on ] > outputs.hp_boost=off [ off on ] > record.adc-0:1_source=mic [ mic2 mix mic ] > record.adc-2:3_source=mic2,mix { mic2 mix } > outputs.mic2_sense=plugged [ unplugged plugged ] > outputs.hp_sense=plugged [ unplugged plugged ] > outputs.spkr_muters=mic2,hp { mic2 hp } > outputs.master=126,126 > outputs.master.mute=off [ off on ] > outputs.master.slaves=dac-0:1,dac-2:3,spkr,hp { dac-0:1 dac-2:3 spkr mic2 hp > } > record.volume=120,120 > record.volume.mute=off [ off on ] > record.volume.slaves=adc-2:3,adc-0:1 { adc-2:3 adc-0:1 mic mic2 } > outputs.mode=analog [ analog digital ] > > > vmstat -i: > --------- > interrupt total rate > irq0/clock 130406 401 > irq0/ipi 34961 107 > irq144/acpi0 4 0 > irq146/inteldrm0 438 1 > irq146/ehci0 46 0 > irq146/alc0 221 0 > irq96/ehci1 1352 4 > irq97/ahci0 4654 14 > irq147/pckbc0 1013 3 > irq148/pckbc0 137 0 > Total 173232 533 > > --Jairo Souto (38)8816-1254 -- the preceding comment is my own and in no way reflects the opinion of the Joint Chiefs of Staff