Comment 5 for bug 178442

This problem also exists on the M-Audio Delta 410 which uses the same driver and is quite similar (from the computer's perspective) to the Audiophile 2496 I believe.

There isn't a control named "Master" or "PCM" on the Delta 410. The relevant channels are "DAC" and "DAC 1" through "DAC 7" for a total of 8. In order to get stereo volume control, I have to tell Ubuntu to control "DAC" and "DAC 1" together, as they are the left and right audio outputs.

I think that this non-standard naming convention is a part of the trouble in the log below

Here are the errors generated, starting just before things begin to go wrong:

I: alsa-util.c: Successfully attached to mixer 'hw:0'
I: alsa-util.c: Cannot find mixer control "Master".
W: alsa-util.c: Cannot find fallback mixer control "PCM".
E: module-alsa-sink.c: Failed to create sink object
E: module.c: Failed to load module "module-alsa-sink" (argument: "device_id=0 sink_name=alsa_output.pci_1412_1712_sound_card_0_alsa_playback_0"): initialization failed.
I: alsa-util.c: PCM device front:0 refused our hw parameters: Invalid argument
I: alsa-util.c: PCM device surround40:0 refused our hw parameters: Invalid argument
I: alsa-util.c: PCM device surround41:0 refused our hw parameters: Invalid argument
I: alsa-util.c: PCM device surround50:0 refused our hw parameters: Invalid argument
I: alsa-util.c: PCM device surround51:0 refused our hw parameters: Invalid argument
ALSA lib conf.c:3952:(snd_config_expand) Unknown parameters 0
ALSA lib pcm.c:2145:(snd_pcm_open_noupdate) Unknown PCM surround71:0
I: alsa-util.c: Couldn't open PCM device surround71:0: Invalid argument
W: alsa-util.c: Device hw:0 doesn't support 2 channels, changed to 12.
W: alsa-util.c: Device hw:0 doesn't support sample format s16le, changed to s32le.
I: module-alsa-source.c: Successfully opened device hw:0.
I: module-alsa-source.c: Successfully enabled mmap() mode.
I: alsa-util.c: Successfully attached to mixer 'hw:0'
I: alsa-util.c: Cannot find mixer control "Capture".
W: alsa-util.c: Cannot find fallback mixer control "Mic".
E: module-alsa-source.c: Failed to create source object
E: module.c: Failed to load module "module-alsa-source" (argument: "device_id=0 source_name=alsa_input.pci_1412_1712_sound_card_0_alsa_capture_0"): initialization failed.
I: module-hal-detect.c: Loaded 0 modules.
I: module.c: Loaded "module-hal-detect" (index: #0; argument: "").
I: module.c: Loaded "module-esound-protocol-unix" (index: #1; argument: "").
I: protocol-native.c: loading cookie from disk.
I: module.c: Loaded "module-native-protocol-unix" (index: #2; argument: "").
I: module-volume-restore.c: starting with empty ruleset.
I: module.c: Loaded "module-volume-restore" (index: #3; argument: "").
I: module.c: Loaded "module-default-device-restore" (index: #4; argument: "").
I: module.c: Loaded "module-rescue-streams" (index: #5; argument: "").
I: module.c: Loaded "module-suspend-on-idle" (index: #6; argument: "").
I: module.c: Loaded "module-gconf" (index: #7; argument: "").
I: main.c: Daemon startup complete.