CSS 11506 - Locked up but cannot find why

I have had a CSS 11506 lock up with no access or activity. From the syslog logs I cannot see any error messages reporting a failure, just a hole. During the lockup I had no access to the equipment.
Any suggestions on how to investigate the lock up ?
Thank you in advance.
Roger.

Hi Roger,
Based on the symptons I guess CSS did not save any core, can you double check.
I would say that we have no enough evidence to say what caused the outage, actually I would need to see the showtech and look for some evidence but I can tell you for sure that your code needs to be upgraded.
7.50 train is not getting new releases since new tains are 8.10 and 8.20 and also 7.50.103 is a early release on that train and many defects were addressed on newer codes, some of them related to crash and hung issues.
Hope it helps!!

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