Today, after booting, i check sound channels agail.And there are another bug - i hear sound from "Center" channel, when it must be in "LFE" channel.
I diasble pulseaudio, and check it directly with alsa by run "speaker-test -c 6". Problem still present.
-- Regards, Serhii Horelskyi! -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected]

