i386/52428: pcm0 reported twice: onboard AC97 and PCI sound card

[jimd_NOSPAM at siu.edu]

>Number:         52428
>Category:       i386
>Synopsis:       pcm0 reported twice: onboard AC97 and PCI sound card
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-i386
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon May 19 06:00:22 PDT 2003
>Closed-Date:
>Last-Modified:
>Originator:     
>Release:        FreeBSD 4.8-STABLE i386
>Organization:
>Environment:
System: FreeBSD 4.8-STABLE #0: Sat May 17 15:14:12 CDT 2003 localhost:/usr/src/sys/compile/XSYSTEM i386

Motherboard is MSI "655 MAX" (SiS 655/963).

-----------------------------------
System log after "kldload emu10k1":
-----------------------------------

May 18 11:56:09 freebsd2 /kernel: pcm0: <Creative EMU10K1> port 0xcc00-0xcc1f irq 5 at device 7.0 on pci0
May 18 11:56:09 freebsd2 /kernel: pcm0: <SigmaTel STAC9708/9711 ac97 codec>

--------------------------------
pciconf output:
--------------------------------

agp0 at pci0:0:0:	class=0x060000 card=0x00000000 chip=0x06551039 rev=0x10 hdr=0x00
    vendor   = 'Silicon Integrated Systems (SiS)'
    device   = 'SiS655 Host-to-PCI Bridge'
    class    = bridge
    subclass = HOST-PCI
pcib1 at pci0:1:0:	class=0x060400 card=0x00000000 chip=0x00021039 rev=0x00 hdr=0x01
    vendor   = 'Silicon Integrated Systems (SiS)'
    device   = 'SiS 6201/02 PCI True-Color Graphics Accelerator'
    class    = bridge
    subclass = PCI-PCI
isab0 at pci0:2:0:	class=0x060100 card=0x00000000 chip=0x00081039 rev=0x25 hdr=0x00
    vendor   = 'Silicon Integrated Systems (SiS)'
    device   = 'SiS85C503/5513 PCI to ISA Bridge (LPC Bridge)'
    class    = bridge
    subclass = PCI-ISA
atapci0 at pci0:2:5:	class=0x010180 card=0x73001462 chip=0x55131039 rev=0x00 hdr=0x00
    vendor   = 'Silicon Integrated Systems (SiS)'
    device   = 'SiS5513 EIDE Controller (A,B step)'
    class    = mass storage
    subclass = ATA
none0 at pci0:2:7:	class=0x040100 card=0x73001462 chip=0x70121039 rev=0xa0 hdr=0x00
    vendor   = 'Silicon Integrated Systems (SiS)'
    device   = 'SiS7012 PCI Audio Accelerator'
    class    = multimedia
    subclass = audio
ohci0 at pci0:3:0:	class=0x0c0310 card=0x73001462 chip=0x70011039 rev=0x0f hdr=0x00
    vendor   = 'Silicon Integrated Systems (SiS)'
    device   = 'SiS5597/8 Universal Serial Bus Controller'
    class    = serial bus
    subclass = USB
ohci1 at pci0:3:1:	class=0x0c0310 card=0x73001462 chip=0x70011039 rev=0x0f hdr=0x00
    vendor   = 'Silicon Integrated Systems (SiS)'
    device   = 'SiS5597/8 Universal Serial Bus Controller'
    class    = serial bus
    subclass = USB
none1 at pci0:3:3:	class=0x0c0320 card=0x54701462 chip=0x70021039 rev=0x00 hdr=0x00
    vendor   = 'Silicon Integrated Systems (SiS)'
    device   = 'SiS7002 USB 2.0 Enhanced Host Controller'
    class    = serial bus
    subclass = USB
none2 at pci0:7:0:	class=0x040100 card=0x80641102 chip=0x00021102 rev=0x07 hdr=0x00
    vendor   = 'Creative Labs'
    device   = 'EMU10K1 Audio Chipset (SB Live!)'
    class    = multimedia
    subclass = audio
none3 at pci0:7:1:	class=0x098000 card=0x00201102 chip=0x70021102 rev=0x07 hdr=0x00
    vendor   = 'Creative Labs'
    device   = 'PCI Gameport Joystick'
    class    = input device
sis0 at pci0:8:0:	class=0x020000 card=0xf3111385 chip=0x0020100b rev=0x00 hdr=0x00
    vendor   = 'National Semiconductor'
    device   = 'DP83815/16 MacPhyter 10/100 Mb/s Ethernet MAC & PHY'
    class    = network
    subclass = ethernet
ahc0 at pci0:11:0:	class=0x010000 card=0x62a09005 chip=0x00809005 rev=0x02 hdr=0x00
    vendor   = 'Adaptec'
    device   = '29160/N/LP Ultra160 (AIC-7892A) SCSI Host Adapter'
    class    = mass storage
    subclass = SCSI
none4 at pci0:15:0:	class=0x020000 card=0x730c1462 chip=0x440114e4 rev=0x01 hdr=0x00
    vendor   = 'Broadcom Corporation'
    device   = 'BCM440x 10/100 Integrated Ethernet Controller'
    class    = network
    subclass = ethernet
nvidia0 at pci1:0:0:	class=0x030000 card=0x00000000 chip=0x025010de rev=0xa3 hdr=0x00
    vendor   = 'NVIDIA Corporation'
    device   = 'GeForce4 Ti 4600 [NV25.1]'
    class    = display
    subclass = VGA

	
>Description:
	A "kldload emu10k1" reports two sound cards associated with pcm0.
        Using the PCI sound card works, but the onboard AC97 device is not
	usable.

	
>How-To-Repeat:
	
>Fix:

	


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