Dear all, We are running RTEMS 4.10.2 on a MVME2700 and on a MVME6100 CPU. The system is up and running (we are using EPICS and several VME interface cards) for a long period, up to 2 full months, with no faults, but suddenly it completely stalls - no error message, no stacktrace, nothing, I cannot connect even on the serial port. This happens at a very irregular rate, sometimes once a month and sometimes 5 stalls in a couple of hours. The only way to recover is doing a reset of the CPU, this happens on both CPU types.
I have 2 questions about this issue: A) Did something like this happen to any of you? What was the root cause of the stalls and how did you figure it out? B) Is there a way we can somehow get out of this situation to diagnose it, ideally getting the stacktrace of the halted threads? Is there some kind of non-maskable interrupt I can send to make a postmortem diagnosis w/o needing to reboot? Any ideas are welcome! With best regards, Tim D. Gaggstatter Software Engineer Gemini Observatory - AURA
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