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After I started the Beta testing my audio is not working. I do get the start chime when rebooting but once the OS is loaded I have no audio.Facts:The volume icon in menu bar is greySystem preference for sound is not loading, an error shows after some time, timeoutthe Mac freezes once a sound is supposedly playedcoreaudiod is not visible in the activity monitorI tried to restart :MacBook-Pro:~ Pindus$ sudo launchctl load /System/Library/LaunchDaemons/com.apple.audio.coreaudiod.plist/System/Library/LaunchDaemons/com.apple.audio.coreaudiod.plist: service already loadedI tried starting the coreaudiod from /usr/bin/coreaudiod:MacBook-Pro:~ Pindus$ /usr/sbin/coreaudiod ; exit;Segmentation fault: 11logoutSaving session......copying shared history......saving history...truncating history files......completed.Deleting expired sessions...8 completed.[Process completed]Some system notifications:default 22:03:25.498546 +0200 coreaudiod hciControllerPublisheddefault 22:03:25.498651 +0200 coreaudiod Open connection to bluetoothd (0x7f85d4d2ccc0)default 22:03:25.499855 +0200 com.apple.audio.DriverHelper The plug-in named AirPlay.driver requires extending the sandbox for the mach service named com.apple.coremedia.endpointmanager.xpc.default 22:03:25.499945 +0200 com.apple.audio.DriverHelper The plug-in named AirPlay.driver requires extending the sandbox for the mach service named com.apple.coremedia.endpoint.xpc.default 22:03:25.500011 +0200 com.apple.audio.DriverHelper The plug-in named AirPlay.driver requires extending the sandbox for the mach service named com.apple.coremedia.endpointstream.xpc.default 22:03:25.538975 +0200 com.apple.audio.DriverHelper The plug-in named InstantOn.driver requires extending the sandbox for the mach service named com.rogueamoeba.instanton-agent.I suppose I can wait for the beta to be over and done with, but 1+ month without any sound is driving me crazy. Will appreciate any help I can get.