[Bug 21804] Re: alsa-utils cannot always restore mixer settings correctly across upgrades

[Nilbus]

I am also experiencing this problem.

The volume levels are not properly restored on boot, though they are
restored if I run alsactl restore, even though the error message is
displayed.

$ sudo alsactl restore
alsactl: set_control:1400: Cannot write control '3:0:0:EMU10K1 PCM Send Routing:0' : Operation not permitted
alsactl: set_control:1400: Cannot write control '3:0:0:EMU10K1 PCM Send Volume:0' : Operation not permitted

$ sudo service alsa-utils start
 * Setting up ALSA...
 * warning: 'alsactl restore' failed with error message 'alsactl: set_control:1400: Cannot write control '3:0:0:EMU10K1 PCM Send Routing:0' : Operation not permitted
alsactl: set_control:1400: Cannot write control '3:0:0:EMU10K1 PCM Send Volume:0' : Operation not permitted'...
Invalid card number.
Usage: amixer <options> [command]
... (amixer error message repeated many times)

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alsa-utils cannot always restore mixer settings correctly across upgrades
https://bugs.launchpad.net/bugs/21804
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