sound adventures are a non starter

Harry Putnam reader at newsguy.com
Wed Mar 24 05:05:21 UTC 2004


[Waring.. lots of output below]

I haven't used sound for a very long time, but decided to try it out
for some video/audio editing I need to do.

I can't get any sound but It seems my card is detected:

This is an earlier p4 with onboard sound by way of:
  SoundMAX Integrated Digital Audio
 ac97 intel compatable

I'm running kde-3.2 desktop on core2 t1 kernel 2.6.3-2.1.253.2.1

Dmesg's from a fresh boot up don't show anything I recognize about
sound.  However running `system-config-soundcard' finds:

  Vendor: Intel Corp
  Model: 8801BA/BAM AC/'97 Audio
  Module: snd-intel8x0
 
And having run system-config-soundcard inserts these modules:

  snd_mixer_oss          16896  0
  snd_intel8x0           34088  0
  snd_ac97_codec         56712  1 snd_intel8x0
  snd_pcm                97288  1 snd_intel8x0
  snd_timer              29828  1 snd_pcm
  gameport                5504  1 snd_intel8x0
  snd_page_alloc         11780  2 snd_intel8x0,snd_pcm
  snd_mpu401_uart         9216  1 snd_intel8x0
  snd_rawmidi            26528  1 snd_mpu401_uart
  snd_seq_device          8456  1 snd_rawmidi
  snd                    50532  8 snd_mixer_oss,snd_intel8x0,snd_ac97_codec,snd_pc
  m,snd_timer,snd_mpu401_uart,snd_rawmidi,snd_seq_device
  soundcore              10336  1 snd

But clicking on the `test sound' button has an interesting effect:

syslog prints (sorry for the verbosity):

Mar 23 22:42:27 reader kernel:  [<23a58e21>] snd_card_free+0x138/0x18a [snd]
Mar 23 22:42:27 reader kernel:  [<02182686>] dput+0x18/0x4de
Mar 23 22:42:27 reader kernel:  [<23a8515a>] snd_intel8x0_remove+0x13/0x1c [snd_
intel8x0]
Mar 23 22:42:27 reader kernel:  [<02258c5e>] pci_device_remove+0x16/0x28
Mar 23 22:42:27 reader kernel:  [<022a0f78>] device_release_driver+0x3c/0x46
Mar 23 22:42:27 reader kernel:  [<022a0f9a>] driver_detach+0x18/0x26
Mar 23 22:42:27 reader kernel:  [<022a1169>] bus_remove_driver+0x37/0x64
Mar 23 22:42:27 reader kernel:  [<022a1473>] driver_unregister+0xc/0x2a
Mar 23 22:42:27 reader kernel:  [<02258dba>] pci_unregister_driver+0xb/0x13
Mar 23 22:42:27 reader kernel:  [<23a85326>] alsa_card_intel8x0_exit+0xa/0x1e [s
nd_intel8x0]
Mar 23 22:42:27 reader kernel:  [<0213edf8>] sys_delete_module+0xfe/0x11e
Mar 23 22:42:27 reader kernel:  [<0215a7d7>] unmap_vma_list+0xe/0x17
Mar 23 22:42:27 reader kernel:  [<0215ace8>] do_munmap+0x1dc/0x1e6
Mar 23 22:42:27 reader kernel:
Mar 23 22:42:27 reader kernel: Code: 0f 0b 98 02 7e f3 36 02 8b 47 40 85 c0 75 0
9 89 f8 e8 12 ff

No sound plays and control of the dialog is lost.  That is, it never
returns to user.

Clicking on the upper right [X] (kill) finally brings up a dialog that
allows user to kill system-config-soundcard.

I'm sort of lost as to where to go from here... I'm not used to even
worrying about sound.

/etc/modprobe.conf contains these lines:
  alias sound-slot-0 snd-intel8x0
  install sound-slot-0 /sbin/modprobe --ignore-install sound-slot-0 && /bin/aumix-
  minimal -f /etc/.aumixrc -L >/dev/null 2>&1 || :

Trying to look at aumix from a root terminal hangs the terminal at:

  # aumix <RET>
    <hang>
^C or ^D will not break it loose





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