On 05/15/2016 09:11 AM, Alice Wonder wrote: > On 05/15/2016 04:48 AM, Steve Snyder wrote: >> How can I completely disable audio drivers and services in my CentOS7 >> system? >> >> This system is a server that will never run any audio applications. The >> problem is, I can't disable the audio device in my BIOS, so the system >> finds it in the PCI device list and configures it on each boot. >> >> Yes, I know I can blacklist specific device driver modules, but I've got >> a minimum of 11 audio-related kernel modules loaded on a default C7 >> configuration, and untold dbus baggage to go with them >> >> So.. what can I do to have CentOS7 completely ignore the audio hardware >> it finds? > > If I'm not mistaken, audio hardware is one source of entropy for the > kernel. How can it contribute to entropy without a microphone attached? > Is it causing a problem? Only to the extent that the resources used to support the audio subsystem could be allocated to services that are actually used.