Description

Error messages related to the MAP _WIREFUTURE are seen in the logs of a QFX3500. These error messages are related to the FreeBSD platform. They do not cause any disruptions and can be safely ignored.
 

Symptoms

The following error messages may be seen in the logs of a QFX3500: 

Dec  6 06:00:38  JTAC-switch /kernel: %KERN-2: obreak: MAP_WIREFUTURE set
Dec  6 06:00:40  JTAC-switch /kernel: %KERN-2: obreak: MAP_WIREFUTURE set
Dec  6 06:01:45  JTAC-switch /kernel: %KERN-2: obreak: MAP_WIREFUTURE set
Dec  6 06:01:47  JTAC-switch /kernel: %KERN-2: obreak: MAP_WIREFUTURE set
Dec  6 06:01:48  JTAC-switch /kernel: %KERN-2: obreak: MAP_WIREFUTURE set
Dec  6 06:01:51  JTAC-switch /kernel: %KERN-2: obreak: MAP_WIREFUTURE set
Dec  6 06:02:47  JTAC-switch /kernel: %KERN-2: obreak: MAP_WIREFUTURE set
Dec  6 06:02:50  JTAC-switch /kernel: %KERN-2: obreak: MAP_WIREFUTURE set
Dec  6 06:03:52  JTAC-switch /kernel: %KERN-2: obreak: MAP_WIREFUTURE set

Solution

This is related to the FreeBSD boot messages.
 

These error messages can be safely ignored. To stop these messages, refer to KB9382 - How to prevent certain syslog messages from being written to the log file [juniper.net] .

The error messages have been fixed in 13.2R1 release.