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Exadata: CPU Stalls Causing Node to Panic and iLOM can become Non-Responsive (Doc ID 1904612.1)

Last updated on JUNE 05, 2019

Applies to:

Oracle Exadata Storage Server Software - Version to [Release 11.2 to 12.1]
Exadata Database Machine X2-2 Hardware - Version All Versions and later
Exadata X3-8 Hardware
Information in this document applies to any platform.
Cell Machine X4270 M2 becomes non-responsive, eventually resulting in a node panic and we also loose access to iLOM.
Resulting in me having to disconnect/reconnect power cables to restore stability.


Two Symptoms experienced as a result of this hardware problem.

1). ILOM becomes non-responsive resulting in an engineer having to restore stability by disconnect/connect power cables again.
2). CPU Node panics due to detected stalls on a particular CPU. These may or may not occur with any regularity.





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