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The System returned to ROM by error - a SIGTRAP exception error message is displayed in the show version command output, indicating a software issue

Core Issue

This message indicates that the router crashed because of a signal trap exception.

Resolution

To resolve this issue, perform these steps:

  1. Capture the command output from the show version and show stacks commands.   

     

    To determine if a known issue exists that affects the current software version, registered users can refer to the Output Interpreter tool.

     

       
  2. If no known issue is found, upgrade the router to the latest Cisco IOS  Software version in your release train and monitor the router for another failure.

For more information regarding crashes, refer to Troubleshooting Router Crashes.


Error Messages and Warnings

*** System received a SIGTRAP exception ***

System returned to ROM by error - a SIGTRAP exception

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