Module on Matrix X 16 CPU load 100%

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Hello guys,
We have a Matrix X 16-slot. On one of the modules we received the following messages:
WARNING: CPU utilization (100.0%) has exceeded the monitored threshold limit (80.0%)
After that all the ports on the module stopped working.
The module is 8 Port XFP GBIC 10 Gigabit Ethernet. After the module was reseated the problem was gone.
These were the processes on the module
Name              ProcID   15 Sec    1 min     5 min
     domainlink       7     0.26     0.28      0.25
                 dlm      10   131.80   131.71    132.85
                 ess      13    41.60    35.60     20.61
         fabmIom      14     6.20     6.38      6.18
                 fem      15    14.13    16.08     17.56

I could not find any information about these processes. Has anyone seen this problem or should i open GTAC case
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Tsenislav Nakov

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Posted 3 years ago

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Rainer Adam

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Do you use CA-Spectrum maybe for polling the devices? In a number of cases the last 15 years of my business Spectrum makes such an issue or was the major reason for it (reboot's of E1 switches for example).
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Tsenislav Nakov

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Hello Adam,
Thanks for the quick reply. CA-Spectrum is used. Is it possible that only one module got 100% CPU utilization in this case
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Rainer Adam

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What version do you use on your X-Series? There exists also a 497 days issue with release 2.0.2.0 or 2.0.2.1 with a known spanningtree issue.
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Tsenislav Nakov

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The version is 2.0.3.0
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Rainer Adam

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I would recommend you to open a TAC case for this and if exists please attache the core dump file(s).