Comment 8 for bug 178442

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Laurent Moussault (drakmaniso) wrote : Re: Pulseaudio fails to initialize Audiophile 2496

Same problem with a M-Audio Delta 44 (same alsa driver ice1712).

The workaround above works, with "device=hw:M44".

From what I read in the link posted above, the problem seems to be that there is no default channel map (i.e. knowing which channel is left and which is right) for 10 channels cards, and that the driver (or may be the card) refuse to open for just 2 channels.

IMHO the bug importance is more than "low", since the ice1712 based cards are quite common among "music-oriented" linux users (these are affordable high-quality cards, supported by alsa for a long time).