﻿id,summary,reporter,owner,description,type,status,component,version,resolution,keywords,cc,guest,host
19561,Nested virtualization BUG: soft lockup - CPU#4 stuck for 22s! [CPU 1/KVM:28838],hamerins,,"I am running a KVM vm inside virtualbox. if the VM is set with 1 CPU, it works well. But if i increase the CPU to 2 or more, i am getting CPU stuck message inside virtualbox.

HOST OS: MAC OSX
Virtualbox Version: 6.1.6
Host have 12 cores and 64gb ram

Guest OS: Ubuntu 18.04
Guest CPU: 4
Guest Ram: 20GB
Nested VT-x/AMD-V and PAE/NX is enabled in processor settings

Nested VM Guest OS: debian
Nested VM Guest CPU: 2
Nested VM Guest Ram: 4GB

Partial syslog message and vbox.log is attached",defect,new,other,VirtualBox 6.1.6,,,,Linux,all
