[arch-general] :: Starting acpid -- acpid: can't open /proc/acpi/event: Device or resource busy

Listmates, I am chasing down an issue with the radeonhd driver to force downclocking of the gpu. In my Xog.0.log I am receiving the message: (WW) Open ACPI failed (/var/run/acpid.socket) (No such file or directory) I have installed acpid, but acpid will not start and gives the

Re: [arch-general] :: Starting acpid -- acpid: can't open /proc/acpi/event: Device or resource busy

       I have installed acpid, but acpid will not start and gives the following error: [10:24 alchemy:/home/david] # /etc/rc.d/acpid start :: Starting acpid                                                     [BUSY] acpid: can't open /proc/acpi/event: Device or resource busy