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µVISION DEBUGGER: RTX Component Viewer error E306: Execution problem

Information in this knowledgebase article applies to:

  • MDK-ARM v5.24a up to v5.27 Pre-Release


RTXv5 (CMSIS RTOS v2) is used in my project. I have also enabled the Event Recorder debug feature in µVision. However, in µVision debug session the Component Viewer 'RTX RTOS' shows the error E306: Execution problem - Timeout after 125 mSec in statement ‘‹list i

The same project works fine in MDK v5.23 with the Component Viewer 'RTX RTOS'. How can I fix this issue?


This is a known issue in MDK v5.24a version, which has been only partially fixed in MDK v5.27 Pre-Release. This article will be updated soon accordingly.


Last Reviewed: Wednesday, February 13, 2019

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