Sound card configuration: IRQ request

Charles Curley charlescurley at charlescurley.com
Sat Mar 20 18:12:59 UTC 2004


I used to have sound on my system, and don't now. I don't use it very
often, so I could have lost it during any of several recent kernel
upgrades to FC 1. Kernel is 2.4.22-1.2174.nptl.

I can run redhat-config-soundcard, and it reports the correct sound
card. Relevant portion of /proc/pci:

  Bus  0, device  17, function  5:
    Multimedia audio controller: VIA Technologies, Inc. VT8233/A/8235 AC97 Audio Controller (rev 80).
      IRQ 3.
      I/O at 0xe000 [0xe0ff].

Each time I try to run the test sound, I get the following in
/var/log/messages:

Mar 20 10:46:24 charlesc kernel: Via 686a/8233/8235 audio driver 1.9.1-ac3
Mar 20 10:46:24 charlesc kernel: PCI: Found IRQ 4 for device 00:11.5
Mar 20 10:46:24 charlesc kernel: IRQ routing conflict for 00:11.5, have irq 3, want irq 4
Mar 20 10:46:24 charlesc kernel: via82cxxx: Six channel audio available
Mar 20 10:46:24 charlesc kernel: ac97_codec: AC97 Audio codec, id: ADS112 (Unknown)
Mar 20 10:46:24 charlesc kernel: via82cxxx: board #1 at 0xE000, IRQ 3

/proc/interrupts shows:

  0:  108742210          XT-PIC  timer
  1:     234539          XT-PIC  keyboard
  2:          0          XT-PIC  cascade
  3:       3283          XT-PIC  via82cxxx
  4:     323172          XT-PIC  serial
  5:   18211284          XT-PIC  eth0
  8:         14          XT-PIC  rtc
 10:          0          XT-PIC  usb-uhci, usb-uhci, usb-uhci, ehci_hcd
 11:   66627211          XT-PIC  aic7xxx, nvidia
 12:    8466027          XT-PIC  PS/2 Mouse
 14:    3041772          XT-PIC  ide0
 15:     458082          XT-PIC  ide1
NMI:          0
ERR:          4

The sole serial port has my UPS cable on it and I give the UPS higher
priority than playing CDs.

If I put "options via82cxxx_audio irq=4" into my /etc/modules.conf, I
get:

Warning: ignoring irq=4, no such parameter in this module
Module via82cxxx_audio loaded, with warnings

How do I get the sound card to run?

Thank you.


-- 

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