I note the following line from your dmesg file:
[ 13.068000] hda_codec: Unknown model for ALC882, trying auto-probe from BIOS...
I note that similar (well, for me all the macs seems the same ;-) ) hardware have same problem on: http://ubuntuforums.org/showthread.php?t=474144
well, with 38 pages, I have just read first messages.
I note the following line from your dmesg file:
[ 13.068000] hda_codec: Unknown model for ALC882, trying auto-probe from BIOS...
I note that similar (well, for me all the macs seems the same ;-) ) hardware have same problem on: ubuntuforums. org/showthread. php?t=474144
http://
well, with 38 pages, I have just read first messages.
*MAYBE* linked to: /bugs.launchpad .net/ubuntu/ +source/ alsa-driver/ +bug/39770
https:/