Re: [Xen-devel] Xen-4.4-rc2 - Some Nested Virt testing

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 21.01.14 at 19:12, Andrew Cooper <andrew.cooper3@xxxxxxxxxx> wrote:
> I have been giving nested virt a try, and have my first bug to report. 
> This is still ongoing, and is by no means complete yet.
> 
> Setup:
> Each reference to XenServer is a trunk XenServer based on 4.4-rc2
> 
> Single Intel Haswell SDP (Grantley platform):
> Native hypervisor: XenServer
> 
> Two L1 guests:
>   XenServer (running with EPT)
>   XenServer (running with shadow)
> 
> 
> When attempting to create an L2 EPT HVM domain under an L1 shadow
> domain, the L1 shadow domain is killed with:
> 
> (XEN) <vm_launch_fail> error code 7

Considering that 7 is "VM entry with invalid control field(s)", I think
it would be quite helpful if we enhanced the error handling here to
dump the VMCS.

Also - did you perhaps mean to Cc VMX folks on your original mail?
Chances that they see your report without doing so are - according
to my experience - rather slim...

Jan



_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel