Re: [Xen-devel] Nested Virtualization Support Host-Only Hypervisors

2017-06-09 Thread Andrew Cooper
On 09/06/17 08:44, Kangjie Xi wrote: > Xen supports Nested > Virtualization(https://wiki.xenproject.org/wiki/Nested_Virtualization_in_Xen), > which means I can run Xen or KVM hypervisor inside a virtual machine, > and then create a L2 guest. However when I run a Host-Only Hypervisor > (no L2 guests

Re: [Xen-devel] Nested Virtualization Support Host-Only Hypervisors

2017-06-09 Thread Kangjie Xi
I reproduce the issue again, and attachments are the log. # xl dmesg > xldmesg.log # dmesg > dmesg.log However there is not error in the log. Maybe just as you said, the nested virtualization is not mature. Do you know how much work to do to change the Xen source code, to make Xen support host-o

Re: [Xen-devel] Nested Virtualization Support Host-Only Hypervisors

2017-06-09 Thread Jan Beulich
>>> On 09.06.17 at 10:54, wrote: > I have asked the related issue on xen-users list > (https://lists.xenproject.org/archives/html/xen-users/2017-05/msg00090.html), > it has detail on hangs, if you want more detail, I can reproduce the > problem and send you more info. It's not me to send that inf

Re: [Xen-devel] Nested Virtualization Support Host-Only Hypervisors

2017-06-09 Thread Kangjie Xi
I have asked the related issue on xen-users list (https://lists.xenproject.org/archives/html/xen-users/2017-05/msg00090.html), it has detail on hangs, if you want more detail, I can reproduce the problem and send you more info. HyperPlatform and SimpleVisor can work well inside VMware virtual mach

Re: [Xen-devel] Nested Virtualization Support Host-Only Hypervisors

2017-06-09 Thread Jan Beulich
>>> On 09.06.17 at 09:44, wrote: > Xen supports Nested > Virtualization(https://wiki.xenproject.org/wiki/Nested_Virtualization_in_Xen > ), > which means I can run Xen or KVM hypervisor inside a virtual machine, > and then create a L2 guest. However when I run a Host-Only Hypervisor > (no L2 guest