Hello.
System: ASUS A7M266-D dual Athlon MOBO with onboard C-Media 8738 audio chip.
OS: Debian Woody kernel 2.4.18 built by me.
Problem: I cannot get any sound. I verified that the kernel I built
has sound support built in, and driver for the 8738. I checked
/proc/pci to make sure the chip is detected. All fine so far. If I try
to send a raw sound file to /dev/audio or /dev/dsp using sox, I get a
"No such device" error. Similarly if I use mplayer, etc. It does not
matter if I am running as root or as a generic user, the results are
the same. I have exhausted my abilities, as well as what I could find
on the net. Any suggestions on how to figure out what is going on?
thanks,
dan
Lots of details:
All sound related flags to kernel build:
CONFIG_SOUND=y
# CONFIG_SOUND_BT878 is not set
CONFIG_SOUND_CMPCI=y
# CONFIG_SOUND_CMPCI_FM is not set
# CONFIG_SOUND_CMPCI_MIDI is not set
# CONFIG_SOUND_CMPCI_JOYSTICK is not set
CONFIG_SOUND_CMPCI_CM8738=y
CONFIG_SOUND_CMPCI_SPDIFINVERSE=y
CONFIG_SOUND_CMPCI_SPDIFLOOP=y
CONFIG_SOUND_CMPCI_SPEAKERS=6
# CONFIG_SOUND_CMPCI_LINE_REAR is not set
# CONFIG_SOUND_CMPCI_LINE_BASS is not set
# CONFIG_SOUND_EMU10K1 is not set
# CONFIG_SOUND_FUSION is not set
# CONFIG_SOUND_CS4281 is not set
# CONFIG_SOUND_ES1370 is not set
# CONFIG_SOUND_ES1371 is not set
# CONFIG_SOUND_ESSSOLO1 is not set
# CONFIG_SOUND_MAESTRO is not set
# CONFIG_SOUND_MAESTRO3 is not set
# CONFIG_SOUND_ICH is not set
# CONFIG_SOUND_RME96XX is not set
# CONFIG_SOUND_SONICVIBES is not set
# CONFIG_SOUND_TRIDENT is not set
# CONFIG_SOUND_MSNDCLAS is not set
# CONFIG_SOUND_MSNDPIN is not set
# CONFIG_SOUND_VIA82CXXX is not set
# CONFIG_SOUND_OSS is not set
# CONFIG_SOUND_TVMIXER is not set
========================================================
Contents of /proc/pci
PCI devices found:
Bus 0, device 0, function 0:
Host bridge: PCI device 1022:700c (Advanced Micro Devices [AMD]) (rev 17).
Master Capable. Latency=32.
Prefetchable 32 bit memory at 0xf8000000 [0xfbffffff].
Prefetchable 32 bit memory at 0xf7800000 [0xf7800fff].
I/O at 0xe800 [0xe803].
Bus 0, device 1, function 0:
PCI bridge: PCI device 1022:700d (Advanced Micro Devices [AMD]) (rev 0).
Master Capable. No bursts. Min Gnt=8.
Bus 0, device 7, function 0:
ISA bridge: Advanced Micro Devices [AMD] AMD-768 [??] ISA (rev 4).
Bus 0, device 7, function 1:
IDE interface: Advanced Micro Devices [AMD] AMD-768 [??] IDE (rev 4).
Master Capable. Latency=32.
I/O at 0xb800 [0xb80f].
Bus 0, device 7, function 3:
Bridge: Advanced Micro Devices [AMD] AMD-768 [??] ACPI (rev 3).
Master Capable. Latency=32.
Bus 0, device 16, function 0:
PCI bridge: Advanced Micro Devices [AMD] AMD-768 [??] PCI (rev 4).
Master Capable. No bursts. Min Gnt=4.
Bus 1, device 5, function 0:
VGA compatible controller: PCI device 1002:514c (ATI Technologies Inc) (rev 0).
IRQ 11.
Master Capable. Latency=64. Min Gnt=8.
Prefetchable 32 bit memory at 0xe8000000 [0xefffffff].
I/O at 0xd800 [0xd8ff].
Non-prefetchable 32 bit memory at 0xe7000000 [0xe700ffff].
Bus 2, device 4, function 0:
Multimedia audio controller: C-Media Electronics Inc CM8738 (rev 16).
Master Capable. Latency=32. Min Gnt=2.Max Lat=24.
I/O at 0xa800 [0xa8ff].
Bus 2, device 5, function 0:
Ethernet controller: National Semiconductor Corporation DP83815 (MacPhyter)
Ethernet Controller (rev 0).
IRQ 5.
Master Capable. Latency=32. Min Gnt=11.Max Lat=52.
I/O at 0xa400 [0xa4ff].
Non-prefetchable 32 bit memory at 0xe6000000 [0xe6000fff].
Bus 2, device 6, function 0:
USB Controller: NEC Corporation USB (rev 65).
Master Capable. Latency=32. Min Gnt=1.Max Lat=42.
Non-prefetchable 32 bit memory at 0xe5800000 [0xe5800fff].
Bus 2, device 6, function 1:
USB Controller: NEC Corporation USB (#2) (rev 65).
Master Capable. Latency=32. Min Gnt=1.Max Lat=42.
Non-prefetchable 32 bit memory at 0xe5000000 [0xe5000fff].
Bus 2, device 6, function 2:
USB Controller: PCI device 1033:00e0 (NEC Corporation) (rev 2).
Master Capable. Latency=32. Min Gnt=16.Max Lat=34.
Non-prefetchable 32 bit memory at 0xe4800000 [0xe48000ff].
========================================================================
Permissions on /dev/dsp and /dev/ audio
$ ls -al /dev/dsp /dev/audio
crw-rw-rw- 1 root audio 14, 4 Jun 13 2001 /dev/audio
crw-rw-rw- 1 root audio 14, 3 Jun 13 2001 /dev/dsp
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