Re: [Xen-devel] [PATCH 20 of 20] n2 MSR handling and capability exposure

[Tim Deegan <Tim.Deegan@xxxxxxxxxx>]

At 12:11 +0200 on 01 Jul (1309522280), Jeroen Groenewegen van der Weyden wrote:
> Just a remark to avoid misunderstanding
> 
> The first nested  KVM guest is running ok, for as long as i keep it running
> When starting a second nested KVM guest (in the same Xen DOMU) that
> is when the Xen DOMU becomes in-responsive. In DOM0 it it shown that
> it is still running and consuming time.
> 
> 
> The complete test is like this
> 
> dom0
> opensuse 11.4 x86
> xen: unstable cs 23640

You're testing on Intel hardware, right?

Eddie, any comment?

Tim.

> domu1 (HVM)
> sles11sp1
> mem: 8 GB
> vcpu: 4
> 
> domu1 guests
> 1) qemu-kvm: propetary OS
> 2) qemu-kvm: propetary OS
> 3) qemu-kvm: SLES10SP3
> 4) qemu-kvm: SLES10SP3
> 
> mfg,
> Jeroen
> 
> Op 1-7-2011 11:54, Christoph Egger schreef:
> >
> >KVM on Xen works for me. Also KVM on Xen on Xen.
> >
> >Christoph
> >
> >
> >On 07/01/11 11:01, Tim Deegan wrote:
> >>Eddie?  Did you test with KVM guests?  Is this expected to work?
> >>
> >>Tim.
> >>
> >>At 15:14 +0100 on 30 Jun (1309446872), Jeroen Groenewegen van
> >>der Weyden wrote:
> >>>Hi Tim/Eddi/Christoph,
> >>>
> >>>I just gave it a go again with cs23640. But the behaviour is still the
> >>>same. so L1 becomes inresponsive after starting the second
> >>>nested quest.
> >>>I can deliver any trace input you want/need.
> >>>
> >>>mfg,
> >>>Jeroen.
> >>>
> >>>Op 20-6-2011 8:31, Jeroen Groenewegen van der Weyden schreef:
> >>>>Hi,
> >>>>
> >>>>Based on these patch series, I gave it go.
> >>>>I noticed until now that the system becomes in-responsive a few second
> >>>>after activating the second nested guest.
> >>>>steps:
> >>>>1) dom0 creates domu (pass)
> >>>>2) domU creates first kvm guest (pass)
> >>>>3) domU creates second kvm guest (fail)
> >>>>after the third step the domu becomes in-responsive. eg no network /
> >>>>vnc console response. in dom0 is shows domu is stil running.
> >>>>
> >>>>I'm able to provide any input needed, just tell me what you need (and
> >>>>how).
> >>>>
> >>>>mfg,
> >>>>Jeroen
> >>>>
> >>>>My HW setup
> >>>>mobo asus z8nr-d12
> >>>>proc: 2 times e5645
> >>>>mem: 96 GB
> >>>>
> >>>>My goal/test
> >>>>in short: HW ->  dom0 ->  domU ->  4 time kvm guest
> >>>>
> >>>>dom0
> >>>>opensuse 11.4 x86
> >>>>xen: unstable cs 23553
> >>>>
> >>>>domu (HVM)
> >>>>sles11sp1
> >>>>mem: 8 GB
> >>>>vcpu: 4
> >>>>
> >>>>domu guests
> >>>>1) qemu-kvm: propetary OS
> >>>>2) qemu-kvm: propetary OS
> >>>>3) qemu-kvm: SLES10SP3
> >>>>4) qemu-kvm: SLES10SP3
> >>>>
> >>>>
> >>>>
> >>>>Op 15-6-2011 14:45, Tim Deegan schreef:
> >>>>>At 10:29 +0800 on 14 Jun (1308047377), Dong, Eddie wrote:
> >>>>>>>>+    case MSR_IA32_VMX_MISC:
> >>>>>>>>+    case MSR_IA32_VMX_CR0_FIXED0:
> >>>>>>>>+    case MSR_IA32_VMX_CR0_FIXED1:
> >>>>>>>>+    case MSR_IA32_VMX_CR4_FIXED0:
> >>>>>>>>+    case MSR_IA32_VMX_CR4_FIXED1:
> >>>>>>>>+    case MSR_IA32_VMX_VMCS_ENUM:
> >>>>>>>>+        gdprintk(XENLOG_WARNING, "VMX MSR %x not fully supported
> >>>>>>>yet.\n", msr);
> >>>>>>>
> >>>>>>>Are you planning to fix this before checking in this series?  I'm
> >>>>>>>pretty
> >>>>>>>sure that at least MSR_IA32_VMX_VMCS_ENUM should be
> >>>>>>>trivial, since you
> >>>>>>>define your own VMCS format.
> >>>>>>>
> >>>>>>Sure, the updated patch is attached.
> >>>>>Thanks.  I've applied the full series.  I cleaned up a few things for
> >>>>>the 32-bit build as well.
> >>>>>
> >>>>>Cheers,
> >>>>>
> >>>>>Tim.
> >
> >
> 
> 
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> http://lists.xensource.com/xen-devel

-- 
Tim Deegan <Tim.Deegan@xxxxxxxxxx>
Principal Software Engineer, Xen Platform Team
Citrix Systems UK Ltd.  (Company #02937203, SL9 0BG)

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