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kernel/3793: auich broken on new chips



>Number:         3793
>Category:       kernel
>Synopsis:       auich is detected but does not emit any sound on my new machine
>Confidential:   yes
>Severity:       non-critical
>Priority:       low
>Responsible:    bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri May 21 09:10:01 GMT 2004
>Closed-Date:
>Last-Modified:
>Originator:     Nikolay Sturm
>Release:        3.5
>Organization:
net
>Environment:
	
	System      : OpenBSD 3.5
	Architecture: OpenBSD.i386
	Machine     : i386
>Description:
Despite being detected, the auich in my new machine does not emit any sound.
Playing around with mixerctl doesn not help. Here is my dmesg:

OpenBSD 3.5 (GENERIC) #13: Fri May 21 10:37:31 CEST 2004
    root@marvin.sec.informatik.tu-darmstadt.de:/usr/src/sys/arch/i386/compile/GENERIC
cpu0: Intel(R) Celeron(R) CPU 2.40GHz ("GenuineIntel" 686-class) 2.41 GHz
cpu0: FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,SBF,CNXT-ID
real mem  = 1073246208 (1048092K)
avail mem = 989855744 (966656K)
using 4278 buffers containing 53764096 bytes (52504K) of memory
mainbus0 (root)
bios0 at mainbus0: AT/286+(97) BIOS, date 05/21/03, BIOS32 rev. 0 @ 0xf1e10
apm0 at bios0: Power Management spec V1.2
apm0: AC on, battery charge unknown
pcibios0 at bios0: rev. 2.1 @ 0xf0000/0x2492
pcibios0: PCI IRQ Routing Table rev. 1.0 @ 0xf23b0/224 (12 entries)
pcibios0: PCI Interrupt Router at 000:31:0 ("Intel 82371FB ISA" rev 0x00)
pcibios0: PCI bus #2 is the last bus
bios0: ROM list: 0xc0000/0xd000 0xd0000/0x5000!
pci0 at mainbus0 bus 0: configuration mode 1 (no bios)
pchb0 at pci0 dev 0 function 0 "Intel 82845G/GL" rev 0x03
ppb0 at pci0 dev 1 function 0 "Intel 82845G/GL/GV/GE/PE AGP" rev 0x03
pci1 at ppb0 bus 1
vga1 at pci1 dev 0 function 0 "ATI Radeon 9200" rev 0x01
wsdisplay0 at vga1: console (80x25, vt100 emulation)
wsdisplay0: screen 1-5 added (80x25, vt100 emulation)
"ATI Radeon 9200 2nd" rev 0x01 at pci1 dev 0 function 1 not configured
uhci0 at pci0 dev 29 function 0 "Intel 82801DB USB" rev 0x02: irq 5
usb0 at uhci0: USB revision 1.0
uhub0 at usb0
uhub0: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
uhci1 at pci0 dev 29 function 1 "Intel 82801DB USB" rev 0x02: irq 9
usb1 at uhci1: USB revision 1.0
uhub1 at usb1
uhub1: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub1: 2 ports with 2 removable, self powered
uhci2 at pci0 dev 29 function 2 "Intel 82801DB USB" rev 0x02: irq 9
usb2 at uhci2: USB revision 1.0
uhub2 at usb2
uhub2: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub2: 2 ports with 2 removable, self powered
"Intel 82801DB USB" rev 0x02 at pci0 dev 29 function 7 not configured
ppb1 at pci0 dev 30 function 0 "Intel 82801BA AGP" rev 0x82
pci2 at ppb1 bus 2
bce0 at pci2 dev 5 function 0 "Broadcom BCM4401" rev 0x01: irq 10, address 00:0e:a6:17:44:c4
ukphy0 at bce0 phy 1: Generic IEEE 802.3u media interface
ukphy0: OUI 0x001018, model 0x0036, rev. 0
xl0 at pci2 dev 11 function 0 "3Com 3c905C 100Base-TX" rev 0x74: irq 11 address 00:04:76:d5:a9:01
exphy0 at xl0 phy 24: Broadcom 3C905C internal PHY, rev. 6
pcib0 at pci0 dev 31 function 0 "Intel 82801DB LPC" rev 0x02
pciide0 at pci0 dev 31 function 1 "Intel 82801DB IDE" rev 0x02: DMA, channel 0 configured to compatibility, channel 1 configured to compatibility
wd0 at pciide0 channel 0 drive 0: <MAXTOR 6L040J2>
wd0: 16-sector PIO, LBA, 38172MB, 78177792 sectors
wd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 5
atapiscsi0 at pciide0 channel 1 drive 0
scsibus0 at atapiscsi0: 2 targets
cd0 at scsibus0 targ 0 lun 0: <TOSHIBA, ODD-DVD SD-M1802, 1030> SCSI0 5/cdrom removable
atapiscsi1 at pciide0 channel 1 drive 1
scsibus1 at atapiscsi1: 2 targets
cd1 at scsibus1 targ 0 lun 0: <TEAC, CD-W552E, 1.09> SCSI0 5/cdrom removable
cd0(pciide0:1:0): using PIO mode 4, Ultra-DMA mode 2
cd1(pciide0:1:1): using PIO mode 4, Ultra-DMA mode 2
auich0 at pci0 dev 31 function 5 "Intel 82801DB AC97 Audio" rev 0x02: irq 6, ICH4 AC97
ac97: codec id 0x41445370 (Analog Devices AD1981)
ac97: codec features headphone, 20 bit DAC, No 3D Stereo
audio0 at auich0
auich0: measured ac97 link rate at 9409 Hz, will use 48000 Hz
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
pcppi0 at isa0 port 0x61
midi0 at pcppi0: <PC speaker>
sysbeep0 at pcppi0
lpt0 at isa0 port 0x378/4 irq 7
npx0 at isa0 port 0xf0/16: using exception 16
pccom0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo
pccom1 at isa0 port 0x2f8/8 irq 3: ns16550a, 16 byte fifo
biomask c220 netmask ce20 ttymask cea2
pctr: user-level cycle counter enabled
dkcsum: wd0 matched BIOS disk 80
root on wd0a
rootdev=0x0 rrootdev=0x300 rawdev=0x302
uhidev0 at uhub1 port 1 configuration 1 interface 0
uhidev0: Logitech USB-PS/2 Optical Mouse, rev 2.00/11.10, addr 2, iclass 3/1
ums0 at uhidev0: 3 buttons and Z dir.
wsmouse0 at ums0 mux 0

>How-To-Repeat:
play some music on a machine with the same chip
>Fix:


>Release-Note:
>Audit-Trail:
>Unformatted: