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Oracle VM server going to hung state with CPU soft lock up error " Workqueue: qlcnic_mailbox qlcnic_83xx_mailbox_worker [qlcnic]" (Doc ID 2359864.1)

Last updated on OCTOBER 25, 2020

Applies to:

Oracle Cloud Infrastructure - Version N/A and later
Oracle VM - Version 3.4.3 and later
Linux x86-64

Symptoms


OVS server getting hung with following messages and had to reboot it to recover.

ERROR
--------

Nov 8 02:43:05 <hostname> kernel: [1273359.516984] NMI watchdog: BUG: soft lockup - CPU#5 stuck for 22s! [kworker/u40:1:12732]

 

Cause

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In this Document
Symptoms
Cause
Solution
References


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