Comment # 3 on bug 1205887 from Mathias Homann

(In reply to Takashi Iwai from comment #2)
> Please give alsa-info.sh output.  Run the script with --no-upload option and
> attach the output.
> 
> The error message "cannot find the slot for index 0 (range 0-0), error: -16"
> usually implies that you specify the module option index=0 for this driver
> while the given slot (0) has been already occupied by another sound card
> (e.g. USB-audio).  In that case, it's more about a configuration failure.

Since I've updated the nvidia drivers the issue has not yet happened again, do
you want the output from alsa-info when it happens or when everything is
working, or both?