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UEK4 Kernel Panic When Reset ZFS Storage Controller (Doc ID 2368596.1)

Last updated on APRIL 02, 2023

Applies to:

Oracle Cloud Infrastructure - Version N/A and later
Linux OS - Version Oracle Linux 7.1 and later
Linux x86-64

Symptoms

The server running with UEK4 attached to a ZFS storage had kernel panic when the Storage controller is reset as part of a ZFS upgrade. The below are the call traces found during the panic.  If there are pending I/O's the node should could alternatively have hung rather than panic. 

  

 

Changes

 ZFS upgrade and a controller reset

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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