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#1 (**permalink**) 02-22-2008, 11:51 AM

Making, drinking tea and reading an opus magnum from Gordon Willem Klok:
[Charset ISO-8859-1 unsupported, filtering to ASCII...]
> Where CUSTOM.MP is GENERIC.MP with MPVERBOSE,
> AUDIO_DEBUG, AUICH_DEBUG, AC97_DEBUG
>
> Taken from /var/log/messages, procedure was boot login to console
> and ping www.google.com, I am getting a flood of debugging messages
> from auich_intr reporting that it is receiving interrupts
> that the primary codec is ready(which is what state auich_attach should
> leave the hardware in from what I can see). Interesting thing is that I never
> attempt to use the sound hardware, no calls to audio_open etc. But the
> onboard lan fxp and onboard sound share the same entry in the ioapic
> and causing network activity results in the interrupt handler for
> auich being called.

it's an expected behaviour.

> vmstat -iz output ->
> interrupt total rate
> irq0/clock 91272 199
> irq65/pciide0 0 0
> irq80/auich0 0 0
> irq67/ohci0 13 0
> irq66/ahc1 1450 3
> irq80/fxp0 346 0
> irq112/pckbc0 406 0
> irq114/pckbc0 7 0
> irq113/lpt0 0 0
> irq177/pccom0 0 0
> irq176/pccom1 0 0
> irq64/fdc0 0 0
> Total 93494 204
>
> Interestingly enough the behavior is present with the
> onboard sound disabled and a pci sound card used in place
> though the pci soundcard emu doesn't have useful debugging
> statements. Should auich0 and fxp0 still be sharing the same
> faked irq numbers as shown above ?
>
> CUSTOM.MP is *just* GENERIC.MP with MPVERBOSE,
> AUDIO_DEBUG, AUICH_DEBUG
>
> OpenBSD 3.8-current (CUSTOM.MP) #1: Fri Oct 7 01:32:08 EDT 2005
> root@bwk.csrg:/usr/src/sys/arch/i386/compile/CUSTOM.MP
> cpu0: AMD Athlon(tm) MP 2800+ ("AuthenticAMD" 686-clas
> s, 512KB L2 cache) 2.14 GHz
> cpu0: FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR
> ,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE
> real mem = 1072275456 (1047144K)
> avail mem = 971812864 (949036K)
> using 4278 buffers containing 53714944 bytes (52456K) of memory
> mainbus0 (root)
> bios0 at mainbus0: AT/286+(05) BIOS, date 10/09/03, BIOS32 rev. 0 @ 0xfb100
> apm0 at bios0: Power Management spec V1.2
> apm0: AC on, battery charge unknown
> apm0: flags 70102 dobusy 1 doidle 1
> pcibios0 at bios0: rev 2.1 @ 0xf0000/0xdf94
> pcibios0: PCI IRQ Routing Table rev 1.0 @ 0xfdec0/208 (11 entries)
> pcibios0: PCI Exclusive IRQs: 5 10 11
> pcibios0: no compatible PCI ICU found
> pcibios0: Warning, unable to fix up PCI interrupt routing
> pcibios0: PCI bus #2 is the last bus
> bios0: ROM list: 0xc0000/0xd000 0xd0000/0x4000! 0xd4000/0x4800 0xd9000/0x1800
> mainbus0: scanning 0x9fc00 to 0x9fff0 for MP signature
> mainbus0: scanning 0x9f800 to 0x9fbf0 for MP signature
> mainbus0: scanning 0xf0000 to 0xffff0 for MP signature
> mainbus0: MP floating pointer found in bios at 0xf4b00
> mainbus0: MP config table at 0xf1400, 284 bytes long
> mainbus0: Intel MP Specification (Version 1.4) (OEM00000 PROD00000000)
> cpu0 at mainbus0: apid 0 (boot processor)
> cpu0: AMD Powernow: TS
> cpu0: calibrating local local timer
> cpu0: apic clock running at 266 MHz
> cpu0: kstack at 0xe902d000 for 8192 bytes
> cpu0: idle pcb at 0xe902d000, idle sp at 0xe902ef98
> cpu1 at mainbus0: apid 1 (application processor)
> cpu1: AMD Athlon(tm) MP 2800+ ("AuthenticAMD" 686-class, 512KB L2 cache) 2.14 GHz
> cpu1: FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,P GE,MCA,CMOV
> cpu1: kstack at 0xe902f000 for 8192 bytes
> cpu1: idle pcb at 0xe902f000, idle sp at 0xe9030f98
> mainbus0: bus 0 is type PCI
> mainbus0: bus 1 is type PCI
> mainbus0: bus 2 is type PCI
> mainbus0: bus 3 is type ISA
> ioapic0 at mainbus0: apid 2 pa 0xfec00000, virtual wire mode, version 11, 24 pins
> ioapic0: int19 attached to pci2 device 0 INT_D (type 0x0 flags 0xf)
> ioapic0: int17 attached to pci0 device 7 INT_B (type 0x0 flags 0xf)
> ioapic0: int17 attached to pci1 device 5 INT_A (type 0x0 flags 0xf)
> ioapic0: int17 attached to pci2 device 9 INT_A (type 0x0 flags 0xf)
> ioapic0: int18 attached to pci2 device 6 INT_A (type 0x0 flags 0xf)
> ioapic0: int0 attached to ExtINT (type 0x3 flags 0x0)
> ioapic0: int1 attached to isa0 irq 1 (type 0x0 flags 0x0)
> ioapic0: int2 attached to isa0 irq 0 (type 0x0 flags 0x0)
> ioapic0: int3 attached to isa0 irq 3 (type 0x0 flags 0x0)
> ioapic0: int4 attached to isa0 irq 4 (type 0x0 flags 0x0)
> ioapic0: int6 attached to isa0 irq 6 (type 0x0 flags 0x0)
> ioapic0: int7 attached to isa0 irq 7 (type 0x0 flags 0
> ioapic0: int8 attached to isa0 irq 8 (type 0x0 flags 0x5)
> ioapic0: int9 attached to isa0 irq 9 (type 0x0 flags 0x0)
> ioapic0: int12 attached to isa0 irq 12 (type 0x0 flags 0x0)
> ioapic0: int13 attached to isa0 irq 13 (type 0x0 flags 0x0)
> ioapic0: int14 attached to isa0 irq 14 (type 0x0 flags 0x0)
> ioapic0: int15 attached to isa0 irq 15 (type 0x0 flags 0x0)
> local apic: int0 attached to ExtINT (type 0x3 flags 0x0)
> local apic: int1 attached to NMI (type 0x1 flags 0x0)
> pci0 at mainbus0 bus 0: configuration mode 1 (no bios)
> pchb0 at pci0 dev 0 function 0 "AMD 762 PCI" rev 0x11
> ppb0 at pci0 dev 1 function 0 "AMD 762 PCI-PCI" rev 0x00
> pci1 at ppb0 bus 1
> vga1 at pci1 dev 5 function 0 "ATI Radeon 9200 PRO" rev 0x01
> wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation)
> wsdisplay0: screen 1-5 added (80x25, vt100 emulation)
> "ATI Radeon 9200 PRO Sec" rev 0x01 at pci1 dev 5 function 1 not configured
> pcib0 at pci0 dev 7 function 0 "AMD 768 ISA" rev 0x05
> pciide0 at pci0 dev 7 function 1 "AMD 768 IDE" rev 0x04: DMA, channel 0 configured to
> compatibility, channel 1 configured to compatibility
> pciide0: channel 0 disabled (no drives)
> atapiscsi0 at pciide0 channel 1 drive 0
> scsibus0 at atapiscsi0: 2 targets
> cd0 at scsibus0 targ 0 lun 0: <SAMSUNG, CD-ROM SC-140, FT02> SCSI0 5/cdrom removable
> cd0(pciide0:1:0): using PIO mode 4, DMA mode 2
> "AMD 768 Power" rev 0x03 at pci0 dev 7 function 3 not configured
> auich0 at pci0 dev 7 function 5 "AMD 768 AC97" rev 0x03: apic 2 int 17 (irq 10), AMD768 AC97
> auich_attach: lists 0xe9042020 0xe9042028 0xe9042030
> ac97: codec id 0x414c4710 (Avance Logic ALC200)
> ac97: codec features headphone, 18 bit DAC, 18 bit ADC, Realtek 3D
> ac97: ext id 605<vra,spdif,amap,rev0>
> read(2) = 8000
> read(18) = 8808
> read(1c) = 8000
> read(1a) = 0
> audioprobe: type=0 sa=0xd06f3d10 hw=0xd0599d40
> audio0 at auich0
> audio_calc_blksize: record blksize=448
> audio_calc_blksize: play blksize=448
> audio_init_ringbuffer: blksize=448
> audio_init_ringbuffer: blksize=448
> audio_attach: inputs ports=0x7, output ports=0x0
> ppb1 at pci0 dev 16 function 0 "AMD 768 PCI-PCI" rev 0x05
> pci2 at ppb1 bus 2
> ohci0 at pci2 dev 0 function 0 "AMD 768 USB" rev 0x07:
> apic 2 int 19 (irq 5), version 1.0, legacy support
> usb0 at ohci0: USB revision 1.0
> uhub0 at usb0
> uhub0: AMD OHCI root hub, rev 1.00/1.00, addr 1
> uhub0: 4 ports with 4 removable, self powered
> ahc1 at pci2 dev 6 function 0 "Adaptec AHA-2940U" rev
> 0x00: apic 2 int 18 (irq 11)
> scsibus1 at ahc1: 16 targets
> sd0 at scsibus1 targ 6 lun 0: <SEAGATE, ST373405LW, 0001> SCSI3 0/direct fixed
> sd0: 70007MB, 29550 cyl, 8 head, 606 sec, 512 bytes/se
> c, 143374741 sec total
> fxp0 at pci2 dev 9 function 0 "Intel 82557" rev 0x10,
> i82551: apic 2 int 17 (irq 10), address 00:10:dc:f5:12:72
> inphy0 at fxp0 phy 1: i82555 10/100 PHY, rev. 4
> 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
> pmsi0 at pckbc0 (aux slot)
> pckbc0: using irq 12 for aux slot
> wsmouse0 at pmsi0 mux 0
> pcppi0 at isa0 port 0x61
> midi0 at pcppi0: <PC speaker>
> spkr0 at pcppi0
> sysbeep0 at pcppi0
> lpt0 at isa0 port 0x378/4 irq 7
> lm0 at isa0 port 0x290/8: W83627HF
> 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
> fdc0 at isa0 port 0x3f0/6 irq 6 drq 2
> biomask 0 netmask 0 ttymask 0
> ioapic0: enabling
> ioapic0: int0 0x10700 0x0
> ioapic0: int1 0x70 0x0
> ioapic0: int2 0x10100 0x0
> ioapic0: int3 0xb0 0x0
> ioapic0: int4 0xb1 0x0
> ioapic0: int5 0x10000 0x0
> ioapic0: int6 0x40 0x0
> ioapic0: int7 0x71 0x0
> ioapic0: int8 0x10100 0x0
> ioapic0: int9 0x10100 0x0
> ioapic0: int10 0x10000 0x0
> ioapic0: int11 0x10000 0x0
> ioapic0: int12 0x72 0x0
> ioapic0: int13 0x10100 0x0
> ioapic0: int15 0x41 0x0
> ioapic0: int16 0x10000 0x0
> ioapic0: pin 17 shares different IPL interrupts (50..90), degraded performance
> ioapic0: int17 0xa050 0x0
> ioapic0: int18 0xa042 0x0
> ioapic0: int19 0xb043 0x0
> ioapic0: int20 0x10000 0x0
> ioapic0: int21 0x10000 0x0
> ioapic0: int22 0x10000 0x0
> ioapic0: int23 0x10000 0x0
> pctr: user-level cycle counter enabled
> mtrr: Pentium Pro MTRR support
> apm0: disconnected
> ugen0 at uhub0 port 1
> ugen0: Cambridge Silicon Radio Bluetooth, rev 1.10/5.25, addr 2
> ahc1: target 6 using 16bit transfers
> ahc1: target 6 synchronous at 10.0MHz, offset = 0x8
> dkcsum: sd0 matches BIOS drive 0x80
> root on sd0a
> rootdev=0x400 rrootdev=0xd00 rawdev=0xd02
> cpu1: starting, init idle stack ptr is 0xe9030f98
> cpu1: AMD Powernow: TS
> cpu1: CPU at apid 1 running
> auich_intr: gsts=100<pcr>
> Oct 7 16:22:20 bwk last message repeated 7 times
> Oct 7 16:22:21 bwk last message repeated 6 times
> Oct 7 16:22:54 bwk last message repeated 56 times
> Oct 7 16:32:05 bwk last message repeated 189 times
>

--
paranoic mickey (my employers have changed but, the name has remained)

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