Exalogic Virtual 2.0.6.3.x : vServer Hangs With CPU soft lockups (INTERNAL) on UEK2 Kernels (Doc ID 3001959.1)

Last updated on FEBRUARY 02, 2024

Applies to:

Oracle Exalogic Elastic Cloud Software - Version 2.0.6.0.0 to 2.0.6.3.221018
Linux x86-64
Oracle Virtual Server x86-64

Symptoms

In Exalogic Virtual racks with 2.0.6.3.* Base images and UEK2 Kernel may face these issue some times and let the GuestVM to be unresponsive for few secs.

System logs show following CPU soft lockup messages

Changes

Load testing and High I/O intrusive apps

Cause

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In this Document

Step1(Reduce the no of CPU's to value less than no of Physical cores in the socket):-

Step2(Dom0 CPU Pinning):-

Step3(Domu CPU pinning):-

References

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Exalogic Virtual 2.0.6.3.x : vServer Hangs With CPU soft lockups (INTERNAL) on UEK2 Kernels (Doc ID 3001959.1)

Applies to:

Symptoms

Changes

Cause

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!