I just recently plugged in my headphones I’ve had for a while, no problems with them up to this point. Suddenly, my audio levels drop impossibly low. Can’t hear a thing. Unplug them? Same problem now, can’t hear anything from my built-in speakers. Bluetooth speaker? Somehow works okay, but nothing else does. I update everything, reboot, thinking it’s maybe just a weird driver thing. No luck on reboot. I check KDE’s sound options? nothing, says it’s all acting normal. I check Pavucontrol, same t...