Centos 4.3 - Card is recognized, yes but no sound?

Jykke · 12-01-2006, 02:43 AM

Quote:

Originally Posted by Lenard

Maybe because hal and/or udev is getting in the way (you remove it and messagebus reloads it). Disable the service and try again; service messagebus stop

Also check your /etc/rc.d/rc.sysint file for the sound device being loaded at startup.

yes it was in rc.sysint

I uncommented it and now if I manually modprobe snd_intel8x0
I get following dmesg:
ACPI: PCI interrupt 0000:00:1f.5[B] -> GSI 5 (level, low) -> IRQ 5
PCI: Setting latency timer of device 0000:00:1f.5 to 64
intel8x0_measure_ac97_clock: measured 50068 usecs
intel8x0: clocking to 48000

IMO there is nothing wrong anywhere - except the minor detail that I can't here a thing...

Lenard · 12-01-2006, 05:48 AM

Hmmm.......

The output suggests to me that maybe you are not using acpi, which might be the problem. Do a quick check and see if this is true and maybe you sound interface is sharing IRQ 5;

cat /proc/interrupts

Sample acpi type output;

Code:

$ cat /proc/interrupts
           CPU0
  0:   19077814   IO-APIC-edge      timer
  1:      42428   IO-APIC-edge      i8042
  8:          0   IO-APIC-edge      rtc
 11:     424608   IO-APIC-fasteoi   acpi
 12:    8463412   IO-APIC-edge      i8042
 14:     138191   IO-APIC-edge      ide0
 15:     677684   IO-APIC-edge      ide1
 17:     331977   IO-APIC-fasteoi   wlan0
 18:     269058   IO-APIC-fasteoi   SiS SI7012, SiS SI7013 Modem
 19:          1   IO-APIC-fasteoi   yenta
 20:          0   IO-APIC-fasteoi   ohci_hcd:usb1
 21:          0   IO-APIC-fasteoi   ohci_hcd:usb2
 23:          0   IO-APIC-fasteoi   ehci_hcd:usb3
NMI:      69219
LOC:   19077756
ERR:          0

IRQ 18 is my sound device/winmodem, from the output of lspci -v;

Code:

00:02.6 Modem: Silicon Integrated Systems [SiS] AC'97 Modem Controller (rev a0) (prog-if 00 [Generic])
        Subsystem: Acer Incorporated [ALI] Unknown device 0083
        Flags: bus master, medium devsel, latency 173, IRQ 18
        I/O ports at 1000 [size=256]
        I/O ports at 1c00 [size=128]
        Capabilities: <access denied>

00:02.7 Multimedia audio controller: Silicon Integrated Systems [SiS] AC'97 Sound Controller (rev a0)
        Subsystem: Acer Incorporated [ALI] Unknown device 0083
        Flags: bus master, medium devsel, latency 173, IRQ 18
        I/O ports at 1400 [size=256]
        I/O ports at 1c80 [size=128]
        Capabilities: <access denied>

Jykke · 12-01-2006, 06:55 AM

# cat /proc/interrupts
CPU0
0: 15764936 XT-PIC timer
1: 3702 XT-PIC i8042
2: 0 XT-PIC cascade
5: 0 XT-PIC Intel 82801BA-ICH2
8: 1 XT-PIC rtc
9: 109227 XT-PIC acpi, uhci_hcd, eth0
10: 1342018 XT-PIC nvidia
11: 30 XT-PIC aic7xxx, uhci_hcd
12: 100590 XT-PIC i8042
14: 29582 XT-PIC ide0
15: 282530 XT-PIC ide1
NMI: 0
ERR: 0

and lspci -v

00:1f.5 Multimedia audio controller: Intel Corporation 82801BA/BAM AC'97 Audio (rev 04)
Subsystem: Siemens Nixdorf AG: Unknown device 0056
Flags: bus master, medium devsel, latency 0, IRQ 5
I/O ports at 1000 [size=256]
I/O ports at 2000 [size=64]

Lenard · 12-01-2006, 07:03 AM

Yep, no acpi........

If you feel like it try re-booting and use acpi, add to the end of kernel line in grub something like;

acpi=on apm=off

Jykke · 12-04-2006, 01:39 AM

#boot=/dev/hda
default=0
timeout=5
splashimage=(hd0,1)/boot/grub/splash.xpm.gz
#hiddenmenu
title CentOS-4 i386 (2.6.9-34.EL)
root (hd0,1)
kernel /boot/vmlinuz-2.6.9-34.EL ro root=LABEL=/ acpi=on apm=off rhgb quiet
initrd /boot/initrd-2.6.9-34.EL.img

and
cat /proc/interrupts
CPU0
0: 156038 XT-PIC timer
1: 119 XT-PIC i8042
2: 0 XT-PIC cascade
5: 0 XT-PIC Intel 82801BA-ICH2
8: 1 XT-PIC rtc
9: 1060 XT-PIC acpi, uhci_hcd, eth0
10: 9733 XT-PIC nvidia
11: 30 XT-PIC aic7xxx, uhci_hcd
12: 8206 XT-PIC i8042
14: 10195 XT-PIC ide0
15: 1622 XT-PIC ide1
NMI: 0
ERR: 0

Does not seem to cause any change :/

Lenard · 12-04-2006, 05:20 AM

Is the acpid rpm installed?

landonmkelsey · 12-04-2006, 09:12 AM

easy to find if you are on your medication again!

Jykke · 12-07-2006, 08:31 AM

Quote:

Originally Posted by Lenard

Is the acpid rpm installed?

Yes, as a matter of fact it is

davegutz · 12-11-2006, 07:13 PM

Do you have NVIDIA drivers by any chance? I may have experience to share.

Also, it's been some time. Still have no sound?

landonmkelsey · 12-12-2006, 01:13 PM

still no sound when playing a CD!

sound emanates from speakers correctly at configtime

landonmkelsey · 12-12-2006, 04:14 PM

I vaguely remember some connection (in the past) between

NVIDIA and a sound card

davegutz · 12-13-2006, 07:47 PM

My experience was that the built-in sound with NVIDIA did not work for me no matter what I tried. Finally I bought a SBLive usb sound card. It did not work at first with ALSA. I gave up on it, leaving it set up ready to go. A couple kernel releases later it started working all by itself with ALSA. I didn't go back to try it with the built-in. Now when updating kernels I have to update NVIDIA network and video drivers but NOT sound. I continue to use ALSA.

Updating kernel is what finally sealed the deal for my system with NVIDIA.