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 SEPTEMBER 08, 2022

Applies to:

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

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]

	To view full details, sign in with your My Oracle Support account.
	Don't have a My Oracle Support account? Click to get started!

In this Document

Symptoms

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.