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From: Jason Bausewein <jason.bausewein@tier3.com>
To: "cloudstack-dev@incubator.apache.org"
	<cloudstack-dev@incubator.apache.org>
Subject: RE: Review Request: CS-15588 Update systemvm support hypervisor
 type xen-hvm
Thread-Topic: Review Request: CS-15588 Update systemvm support hypervisor
 type xen-hvm
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Date: Thu, 19 Jul 2012 06:45:55 +0000
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I tried VMware workstation 8.0.3 build-703057 on windows 7 and still gettin=
g XenVMMXenVMM in the systemvm.

Thanks for trying to figure it out.  If you need any more info I'll be runn=
ing this configuration for a while.

-----Original Message-----
From: Jason Bausewein [mailto:jason.bausewein@tier3.com]=20
Sent: Wednesday, July 18, 2012 2:45 PM
To: cloudstack-dev@incubator.apache.org
Subject: RE: Review Request: CS-15588 Update systemvm support hypervisor ty=
pe xen-hvm

I'll try installing xen on workstation 8 and see how it turns out. =20

-----Original Message-----
From: Anthony Xu [mailto:Xuefei.Xu@citrix.com]
Sent: Wednesday, July 18, 2012 2:36 PM
To: Anthony Xu; cloudstack-dev@incubator.apache.org
Subject: RE: Review Request: CS-15588 Update systemvm support hypervisor ty=
pe xen-hvm

Even in ESXi 5.0,
Virt-what-cpuid-helper in systemvm and bom0 return VMwareVMware,

Looks like the issue only happens in vmware fusion.


Anthony

> -----Original Message-----
> From: Anthony Xu
> Sent: Wednesday, July 18, 2012 11:23 AM
> To: cloudstack-dev@incubator.apache.org
> Subject: RE: Review Request: CS-15588 Update systemvm support=20
> hypervisor type xen-hvm
>=20
> That's strange , I cannot reproduce this issue in vmware player 4.0.1=20
> build-528992( I'm using windows).
>=20
> Virt-what-cpuid-helper in systemvm and bom0 return VMwareVMware, which=20
> is expected, because vmware player cannot distinguish dom0 and=20
> systemvm, they both are PV vm on XenServer.
>=20
> Anthony
>=20
>=20
>=20
> > -----Original Message-----
> > From: Jason Bausewein [mailto:jason.bausewein@tier3.com]
> > Sent: Wednesday, July 18, 2012 10:03 AM
> > To: cloudstack-dev@incubator.apache.org
> > Subject: RE: Review Request: CS-15588 Update systemvm support=20
> > hypervisor type xen-hvm
> >
> > Hi Anthony,
> >
> > 1. output of /usr/lib/virt-what/virt-what-cpuid-helper in systemvm=20
> > XenVMMXenVMM
> >
> > 2. copy virt-what-cpuid-helper to xenserver dom0, and execute virt-=20
> > what-cpuid-helper in dom0, post the result.
> > VMwareVMware
> >
> > 3. systemvm information, execute below command in dom0  Xe vm-param-=20
> > list uuid=3D'uuid of systemvm'
> >
> > Rather large, so I attached to bug
> > http://bugs.cloudstack.org/browse/CS-15588
> >
> > 4. vmware player version.
> > Fusion 4.1.3 (730298) for Mac
> >
> > -----Original Message-----
> > From: Anthony Xu [mailto:Xuefei.Xu@citrix.com]
> > Sent: Tuesday, July 17, 2012 6:54 PM
> > To: cloudstack-dev@incubator.apache.org
> > Subject: RE: Review Request: CS-15588 Update systemvm support=20
> > hypervisor type xen-hvm
> >
> > Hi Jason,
> >
> > Need more information.
> > 1. output of /usr/lib/virt-what/virt-what-cpuid-helper in systemvm, 2.
> > copy virt-what-cpuid-helper to xenserver dom0, and execute
> > virt-what- cpuid-helper in dom0, post the result.
> > 3. systemvm information, execute below command in dom0
> >      Xe vm-param-list uuid=3D'uuid of systemvm'
> > 4. vmware player version.
> >
> >
> > - Anthony
> >
> > > -----Original Message-----
> > > From: Jason Bausewein [mailto:jason.bausewein@tier3.com]
> > > Sent: Tuesday, July 17, 2012 6:07 PM
> > > To: cloudstack-dev@incubator.apache.org
> > > Subject: RE: Review Request: CS-15588 Update systemvm support=20
> > > hypervisor type xen-hvm
> > >
> > > Hi All,
> > >
> > > I've been testing the last couple days with the updated systemvm,
> and
> > > the virtual router, storage, and console VMs appear to be
> functioning
> > > OK.
> > >
> > > I'm still not sure why the xen server is starting the system vm in=20
> > > full virtualization (HVM) instead of Para Virtualization (PV).
> > > Possibly it's the only available mode when running nested VMs.
> > >
> > > http://wiki.xensource.com/xenwiki/XenOverview
> > >
> > > I'm no expert on virtualization types, does anybody see a problem
> > with
> > > the system vms running in HVM?
> > >
> > > Without the change to the cloud-early-config, the system vm fails
> to
> > > read the command line and assign the correct IP addresses.
> > >
> > > Jason
> > >
> > > -----Original Message-----
> > > From: Sheng Yang [mailto:sheng@yasker.org]
> > > Sent: Monday, July 16, 2012 6:19 PM
> > > To: cloudstack-dev@incubator.apache.org
> > > Subject: Fwd: Review Request: CS-15588 Update systemvm support=20
> > > hypervisor type xen-hvm
> > >
> > > Forward to mailing list.
> > >
> > > ---------- Forwarded message ----------
> > > From: Jason Bausewein <jason.bausewein@tier3.com>
> > > Date: Mon, Jul 16, 2012 at 11:48 AM
> > > Subject: Re: Review Request: CS-15588 Update systemvm support=20
> > > hypervisor type xen-hvm
> > > To: Sheng Yang <sheng@yasker.org>
> > > Cc: Jason Bausewein <jason.bausewein@tier3.com>
> > >
> > >
> > >    This is an automatically generated e-mail. To reply, visit:
> > > https://reviews.apache.org/r/5970/
> > >
> > > On July 16th, 2012, 5:17 p.m., *Sheng Yang* wrote:
> > >
> > > I think there is something wrong with virt-what to show xen-hvm=20
> > > instead of xen-domU in nested virtualization, because I think as
> long
> > > as the systemvm is start by cloudstack, it should be pv guest(we=20
> > > specify so) rather than HVM guest. It would be possible if virt-
> what
> > > didn't consider the situation of nested virtualization.
> > >
> > > Or it's real xen-hvm guest in this case? Somehow unlikely...
> > >
> > > Probably what we need to fix is virt-what, or use some other way=20
> > > to detect the nested virtualization.
> > >
> > >  On July 16th, 2012, 6:04 p.m., *Jason Bausewein* wrote:
> > >
> > > The script only uses the hypervisor type to load the boot params.
> In
> > > either case (nested or not) the boot params should be read from=20
> > > /proc/cmdline.
> > >
> > > I don't know much about the different types of xen guests, but the=20
> > > system vm appears to work fine under a xen-hvm guest.  I have some=20
> > > instances running in a basic zone with security groups, and=20
> > > traffic
> > is
> > > filtered correctly to the instances.
> > >
> > > Is there anything I can check from xencenter/xenserver to tell if
> its
> > > really a hvm guest?
> > >
> > >  On July 16th, 2012, 6:11 p.m., *Jason Bausewein* wrote:
> > >
> > > The console proxies are also working great to the instances and
> > system
> > > vms.
> > >
> > >  The virt-what script appears to use the cpuid returned by virt-
> what-
> > > cpuid-helper.
> > >
> > > I attached output from cpuid running on the system vm if it helps.
> > It
> > > has a hypervisor_id of "XenVMMXenVMM", same what is returned by
> virt-
> > > what-cpuid-helper.
> > >
> > >
> > > - Jason
> > >
> > > On July 16th, 2012, 6:42 p.m., Jason Bausewein wrote:
> > >   Review request for Sheng Yang.
> > > By Jason Bausewein.
> > >
> > > *Updated July 16, 2012, 6:42 p.m.* Description
> > >
> > > When running Xen 6.0.2 under VMware Fusion 4 on Intel Core i7, the=20
> > > command /usr/sbin/virt-what returns xen-hvm instead of xen-dom0.
> The
> > > system VM cannot read the command line in this case, and will fail
> to
> > > bind IP addresses assigned via the command line.
> > >
> > > In the cloudstack UI, the system VMs will be stuck in the starting=20
> > > state.
> > >
> > >   Testing
> > >
> > > Rebuilt system vm with change and it works perfectly.
> > >
> > >   *Bugs: * CS-15588
> > > Diffs
> > >
> > >    - patches/systemvm/debian/config/etc/init.d/cloud-early-config
> > > (19f87c2)
> > >
> > > View Diff <https://reviews.apache.org/r/5970/diff/>