Endless log spam _CGXGLDisplayContextForDisplayDevice: No matching context for device

[skew4]

Originally Posted by dude123

My syslogs get hit by 60.000 messages per second.

Indeed:

# log show --last 6h --predicate 'messageType == error and processImagePath endswith "DisplayLinkManager"'

Timestamp                       Thread     Type        Activity             PID    
2018-02-08 09:34:12.277266  0xf609a    Error       0x0                  115    DisplayLinkManager: (CoreFoundation) Detected potentially harmful notification post rate of 60.0026 notifications per second

This message shows up even with the "level: off" workaround (but infrequently).

The fact that my monitors run at 60Hz is likely not a coincidence.