On Tue, Dec 29, 2020, 6:49 PM Brendon Higgins <bren...@quantumfurball.net> wrote:
> .... > After some more searching I figured out what the difference was: the > "Loopback Mixing" setting in alsamixer. It's apparently disabled by > default, but for some reason mine had migrated to enabled. Enabling it > seems to dictate that headphone levels are controlled through the > "Speaker+LO" channel instead of > the "Headphone" channel. Setting it back to disabled, and things are now > back to normal. Mystery solved! > Well thanks Brendon. That started mysteriously for me a couple years ago too. But I shrugged and used the CentOS 7 machine where it worked fine. The CentOS downer was that it required closed drivers for my BMC network chip. Some days I feel like Papa Bear :-) Best, > Brendon > > >
