Login screen that appears suddenly - while I am using the machine

It started quite recently. Apparently randomly, the login screen is displayed once. If I log in, everything works still.

These are the error messages:

12/08/2015 04:30:44.809 com.apple.xpc.launchd [1]: (com.apple.xpc.launchd.domain.user.666) Service "com.apple.xpc.launchd.unmanaged.loginwindow.138" attempted to divert the end point "com.apple.tsm.uiserver" of the owner: com.apple.SystemUIServer.agent

12/08/2015 04:30:50.832 loginwindow [138]: CoreAnimation: attention, removed the wire with CATransaction uncommitted; Set CA_DEBUG_TRANSACTIONS = 1 in the environment connect backtrace.

12/08/2015 04:32:10.247 com.apple.xpc.launchd [1]: (com.apple.xpc.launchd.domain.user.666) Service "com.apple.xpc.launchd.unmanaged.loginwindow.138" attempted to divert the end point "com.apple.tsm.uiserver" of the owner: com.apple.SystemUIServer.agent

12/08/2015 04:32:10.247 com.apple.xpc.launchd [1]: (com.apple.xpc.launchd.domain.user.666) Service "com.apple.xpc.launchd.unmanaged.loginwindow.138" attempted to divert the end point "com.apple.tsm.uiserver" of the owner: com.apple.SystemUIServer.agent

12/08/2015 04:32:30.545 loginwindow [138]: CoreAnimation: attention, removed the wire with CATransaction uncommitted; Set CA_DEBUG_TRANSACTIONS = 1 in the environment connect backtrace.

Any suggestions?

I'm on 10.11.1

Check first for what is obvious: OS X El Capitan: set your Mac to connect when not in service

From what you describe, you use actively the Mac in such a case is not likely to be a factor anyway.

  • Are a crash reports generated?
  • You have any peripheral external display connected?
  • Do you know have installed all OS X third party changes, anything, but specifically those who may come into conflict with GPU automatic pass? A sure start will eliminate this uncertainty.
  • Reset the SMC.

That's all I can think of for now.

Tags: Mac OS & System Software

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