com.apple.AmbientDisplayAgent using a lot of CPU

teidon

macrumors 6502
Original poster
Dec 22, 2009
413
181
I have Public Beta 1 on my Late 2010 11" MBA.

AmbientDisplayAgent uses a lot CPU. Sometimes it idles at around 1%, but most of the time it uses 20-30% and up to 100% CPU time (out of 200% available).

As far as I know this process has something do with the ambient light sensor, but my Mac doesn't have one.

Anyone else have this issue? Any solutions or just wait until the next beta? Killing the process gets rid of it for a while, but after a while it comes back.
 

Chrysaor

macrumors 6502
May 16, 2006
336
4
Had the same issue on 2015 rMBP 13".

Disabled the process by renaming the binary at /System/Library/PrivateFrameworks/AmbientDisplay.framework/Versions/A/XPCServices/com.apple.AmbientDisplayAgent.xpc/Contents/MacOS/ (you need to disable SIP).
 

freddobonanza

macrumors newbie
Jan 8, 2012
11
0
Similar story with macOS Catalina public beta release (19A501i).

I fixed this on my 2017 MBP 15" with a SMC reset.