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#1 (**permalink**) 02-22-2008, 12:34 PM

On Thu, Jun 29, 2006 at 11:48:38PM +1000, daniel wrote:
> hi
>
> today i tried a new kernel to see if the azalia driver is the one i
> need for my soundcard. it is but there were a few problems.
>
> firstly, the corbrp failed to initialise with
>
> azalia) at pci0 dev 29 function 0 vendor "Acer Labs", unknown product
> 0x5461 rev 0x02: irq 11
> azalia0: host: High Definition Audio rev. 1.0
> azalia0: CORBRP reset failure
>
> i fiddled around and as far as i can tell the corbrp never registers the
> reset (ie, the RST flag is never set). if i ignore the reset failure the
> driver initialises fine and music plays, so, with no knowledge of how
> the card works, my guess would be the card does the reset quickly and
> doesn't bother to tell you it is done. the following patch lets my card
> work and i presumed continues to let others work as well, at the expense
> of a small delay for my card. maybe there is a better way to do it.
>
> also, i get a page fault after the failure which i tracked down to a
> null dereference of codec_t.mixer_delete. i don't have time to figure
> out why it isn't a proper value since it seems to me like it should be.
> since my card is unknown, i guess there is a bug in the
> azalia_generic_mixer_init() path. the bottom patch works around that for
> the moment until someone can figure out what's really wrong

I commited the same fix for azalia_codec_delete() to the tree 20 hrs ago.
The same reset failure and resulting NULL ptr dereference was reported with
an NVIDIA HD Audio controller.

> finally, i don't know how to register my specific card in the source so
> i'll leave that to you. it's a SoundMAX ADI AD1986A on an Acer A8R-MVP
> motherboard. the full dmesg after applying these patches follows

Thanks for the dmesg, I added the appropriate devices to pcidevs.

> thanks

>
> --- src/sys/dev/pci/azalia.c.orig Thu Jun 29 20:32:39 2006
> +++ src/sys/dev/pci/azalia.c Thu Jun 29 22:36:08 2006
> @@ -659,10 +659,6 @@
> if (corbrp & HDA_CORBRP_CORBRPRST)
> break;
> }
> - if (i <= 0) {
> - printf("%s: CORBRP reset failure\n", XNAME(az));
> - return -1;
> - }
> AZ_WRITE_2(az, CORBRP, corbrp & ~HDA_CORBRP_CORBRPRST);
> for (i = 5000; i >= 0; i--) {
> DELAY(10);
>
> --- src/sys/dev/pci/azalia.c.orig Thu Jun 29 23:10:19 2006
> +++ src/sys/dev/pci/azalia.c Thu Jun 29 23:14:40 2006
> @@ -1083,7 +1083,8 @@
> int
> azalia_codec_delete(codec_t *this)
> {
> - this->mixer_delete(this);
> + if (this->mixer_delete != NULL)
> + this->mixer_delete(this);
> if (this->formats != NULL) {
> free(this->formats, M_DEVBUF);
> this->formats = NULL;
>
> OpenBSD 3.9-current (GENERIC) #6: Thu Jun 29 23:12:47 EST 2006
> root@nofsk.life.au.eu.org:/usr/src/sys/arch/amd64/compile/GENERIC
> real mem = 536145920 (523580K)
> avail mem = 450445312 (439888K)
> using 13140 buffers containing 53821440 bytes (52560K) of memory
> mainbus0 (root)
> bios0 at mainbus0: SMBIOS rev. 2.3 @ 0xf04f0 (66 entries)
> bios0: ASUSTeK Computer INC. A8R-MVP
> cpu0 at mainbus0: (uniprocessor)
> cpu0: AMD Athlon(tm) 64 Processor 3200+, 2004.83 MHz
> cpu0: FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,P GE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,SSE 3,NXE,MMXX,FFXSR,LONG,3DNOW2,3DNOW
> cpu0: 64KB 64b/line 2-way I-cache, 64KB 64b/line 2-way D-cache, 512KB 64b/line 16-way L2 cache
> cpu0: ITLB 32 4KB entries fully associative, 8 4MB entries fully associative
> cpu0: DTLB 32 4KB entries fully associative, 8 4MB entries fully associative
> cpu0: Cool`n'Quiet K8 2004 Mhz: speeds: 2000 1800 1000 Mhz
> pci0 at mainbus0 bus 0: configuration mode 1
> pchb0 at pci0 dev 0 function 0 "ATI RS480 Host" rev 0x01
> ppb0 at pci0 dev 2 function 0 "ATI RX480 PCIE" rev 0x00
> pci1 at ppb0 bus 1
> vga1 at pci1 dev 0 function 0 "ATI Radeon X300" rev 0x00
> wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation)
> wsdisplay0: screen 1-5 added (80x25, vt100 emulation)
> "ATI Radeon X300 Sec" rev 0x00 at pci1 dev 0 function 1 not configured
> pchb1 at pci0 dev 24 function 0 "AMD AMD64 HyperTransport" rev 0x00
> pchb2 at pci0 dev 24 function 1 "AMD AMD64 Address Map" rev 0x00
> pchb3 at pci0 dev 24 function 2 "AMD AMD64 DRAM Cfg" rev 0x00
> pchb4 at pci0 dev 24 function 3 "AMD AMD64 Misc Cfg" rev 0x00
> ppb1 at pci0 dev 26 function 0 "Acer Labs M5249 PCI-PCI" rev 0x00
> pci2 at ppb1 bus 2
> "Conexant 56k Winmodem" rev 0x08 at pci2 dev 17 function 0 not configured
> "Texas Instruments TSB43AB22 FireWire" rev 0x00 at pci2 dev 19 function 0 not configured
> skc0 at pci2 dev 20 function 0 "Marvell Yukon 88E8001/8003/8010" rev 0x13, Marvell Yukon Lite (0x9): irq 11
> sk0 at skc0 port A, address 00:15:f2:91:23:3b
> eephy0 at sk0 phy 0: Marvell 88E1011 Gigabit PHY, rev. 5
> ohci0 at pci0 dev 28 function 0 "Acer Labs M5237 USB" rev 0x03: irq 11, version 1.0, legacy support
> usb0 at ohci0: USB revision 1.0
> uhub0 at usb0
> uhub0: Acer Labs OHCI root hub, rev 1.00/1.00, addr 1
> uhub0: 3 ports with 3 removable, self powered
> ohci1 at pci0 dev 28 function 1 "Acer Labs M5237 USB" rev 0x03: irq 11, version 1.0, legacy support
> usb1 at ohci1: USB revision 1.0
> uhub1 at usb1
> uhub1: Acer Labs OHCI root hub, rev 1.00/1.00, addr 1
> uhub1: 3 ports with 3 removable, self powered
> ohci2 at pci0 dev 28 function 2 "Acer Labs M5237 USB" rev 0x03: irq 3, version 1.0, legacy support
> usb2 at ohci2: USB revision 1.0
> uhub2 at usb2
> uhub2: Acer Labs OHCI root hub, rev 1.00/1.00, addr 1
> uhub2: 3 ports with 3 removable, self powered
> ehci0 at pci0 dev 28 function 3 "Acer Labs M5239 USB2" rev 0x01: irq 10
> usb3 at ehci0: USB revision 2.0
> uhub3 at usb3
> uhub3: Acer Labs EHCI root hub, rev 2.00/1.00, addr 1
> uhub3: 8 ports with 8 removable, self powered
> azalia0 at pci0 dev 29 function 0 vendor "Acer Labs", unknown product 0x5461 rev 0x02: irq 11
> azalia0: host: High Definition Audio rev. 1.0
> delete_encodings...
> pcib0 at pci0 dev 30 function 0 vendor "Acer Labs", unknown product 0x1575 rev 0x00
> "Acer Labs M7101 Power" rev 0x00 at pci0 dev 30 function 1 not configured
> pciide0 at pci0 dev 31 function 0 "Acer Labs M5229 UDMA IDE" rev 0xc8: 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: <HL-DT-ST, CD-RW GCE-8160B, 2.01> SCSI0 5/cdrom removable
> cd0(pciide0:1:0): using PIO mode 4, DMA mode 2
> pciide1 at pci0 dev 31 function 1 vendor "Acer Labs", unknown product 0x5288 rev 0x10: DMA (unsupported), channel 0 wired to native-PCI, channel 1 wired to native-PCI
> pciide1: using irq 3 for native-PCI interrupt
> wd0 at pciide1 channel 0 drive 0: <WDC WD2500JS-00NCB1>
> wd0: 16-sector PIO, LBA48, 238475MB, 488397168 sectors
> pciide1: channel 1 ignored (not responding; disabled or no drives?)
> isa0 at pcib0
> isadma0 at isa0
> com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo
> 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
> mpu0 at isa0 port 0x330/2: generic MPU-401 compatible
> midi0 at mpu0: <MPU-401 MIDI UART>
> pcppi0 at isa0 port 0x61
> midi1 at pcppi0: <PC speaker>
> spkr0 at pcppi0
> lpt0 at isa0 port 0x378/4 irq 7
> it2 at isa0 port 0xd00/8: IT87
> fdc0 at isa0 port 0x3f0/6 irq 6 drq 2
> fd0 at fdc0 drive 0: 1.44MB 80 cyl, 2 head, 18 sec
> umass0 at uhub3 port 6 configuration 1 interface 0
> umass0: USBDisk RunDisk, rev 2.00/1.00, addr 2
> umass0: using SCSI over Bulk-Only
> scsibus1 at umass0: 2 targets
> sd0 at scsibus1 targ 1 lun 0: <USBDisk, RunDisk, 1.00> SCSI2 0/direct removable
> sd0: 977MB, 977 cyl, 64 head, 32 sec, 512 bytes/sec, 2002000 sec total
> dkcsum: wd0 matches BIOS drive 0x80
> root on wd0a
> rootdev=0x0 rrootdev=0x300 rawdev=0x302

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