Oracle Linux UEK3: KVM Hangs And Shows "BUG: soft lockup - CPU#2 stuck for 23s! [qemu-kvm:6431]"

(Doc ID 2333516.1)

Last updated on DECEMBER 07, 2017

Applies to:

Linux OS - Version Oracle Linux 7.0 to Oracle Linux 7.4 [Release OL7 to OL7U4]
Linux x86
Linux x86-64

Symptoms

Oracle Linux 7.4 running KVM hangs  whenever many guests are started or if the hypervisor is being rebooted.  The log file shows:

Changes

 None

Cause

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