Hi, All: Maybe this won't apply on your Linux distro, but on Arch, where I ran my customary Saturday upgrades, I find the latest alsa-utils package breaks audio. It doesn't just break it once. It breaks it every time you reboot. So, a word to the wise, and all that ... Here the details ... alsa-utils 1.2.5.1-1 is setting Master Volume to 0 and Master Volume Switch to off on all devices,. No real problem you think? Just run: amixer -c3 controls |grep -i master to find the numid and fix the issue? Nah, won't work! mixer -c3 controls ALSA lib conf.c:5200:(snd_config_expand) Unknown parameters 3 ALSA lib control.c:1471:(snd_ctl_open_noupdate) Invalid CTL sysdefault:3 amixer: Control sysdefault:3 open error: Invalid argument Fortunately, if you happen to remember the relevant numid for your default card, you can actually reset your volume. On my default sound device, the relevant values are 33 for the switch, and 32 for the volume slider, so I was at least able to get one device working. Sheesh, what a nuisance. This happens every few weeks/months, whether we need it or not. I mean, how radical do we expect the world to be? Allow sound to play? That's preposterous! Why, that would be like displaying boot messages and a login prompt on any screen connected during the boot process! Nobody does that, right? How friggen insecure! Janina -- Janina Sajka https://linkedin.com/in/jsajka Linux Foundation Fellow Executive Chair, Accessibility Workgroup: http://a11y.org The World Wide Web Consortium (W3C), Web Accessibility Initiative (WAI) Co-Chair, Accessible Platform Architectures http://www.w3.org/wai/apa
