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Re: [Xen-users] pvhvm on debian

the issue seems to be with wheezy not squeeze im just trying to figure out why with wheezy with newer versions of everything pvhvm is not working.

on my wheezy system i have:

ii  libxen-4.1                         4.1.3-1                    amd64        Public libs for Xen
ii  libxenstore3.0                     4.1.3-1                    amd64        Xenstore communications library for Xen
ii  xen-hypervisor-4.1-amd64           4.1.3-1                    amd64        Xen Hypervisor on AMD64
ii  xen-system-amd64                   4.1.3-1                    amd64        Xen System on AMD64 (meta-package)
ii  xen-tools                          4.3.1-1                    all          Tools to manage Xen virtual servers
ii  xen-utils-4.1                      4.1.3-1                    amd64        XEN administrative tools
ii  xen-utils-common                   4.1.3-1                    all          Xen administrative tools - common files
ii  xenstore-utils                     4.1.3-1                    amd64        Xenstore utilities for Xen

and in domU's I compared the lspci of the xen platform pci device to the lspci output from a working pvhvm domU that resides on a squeeze dom0.

so my guess is that its related to hypervisor?


On Tue, Aug 28, 2012 at 10:39 AM, Ian Campbell <Ian.Campbell@xxxxxxxxxx> wrote:
On Fri, 2012-08-24 at 16:43 +0100, chris wrote:
> hello,
> I know this not quite a xen problem but im sure a fair number of
> people are using debian for their dom0 and maybe have some insight
> into this.
> I have a large number of dom0's running squeeze and for a long time i
> was hoping for pvhvm to make into the official debian xen packages and
> recently during some periodic updates I noticed pvhvm working after a
> kernel package update.

You mean a dom0 kernel package update? As opposed to guest I mean.

What versions of xen+kernel do you have in dom0? and which kernel in the
guest? (Knowing the working/non-working version of whichever one changed
when the breakage occurred would be useful too)

I've just done a squeeze domU install on a wheezy dom0 which was freshly
installed this morning and pvhvm appears to be working ok.

Are you able to capture a guest console log, there may be some hints in
together with serial='pty' in your guest config and
config=ttyS0,115200n8 on your guest command line might help.

What do your guest configurations look like?

> Now I have been testing wheezy to get familiar with migrating to xl
> toolstack and I've noticed that on my fully up to date wheezy system,
> pvhvm doesnt appear to work. At first I thought the kernel of my
> test domU maybe did not have pvhvm drivers or something was not
> picking it up. So I migrated (not live) a domU with working pvhvm
> drivers from a squeeze dom0 and on wheezy the pvhvm drivers dont load
> despite the xen_platform_pci=1 being in the domU config and lspci
> showing the identical output for the platform pci device as it does on
> squeeze.
> Any ideas if somehow this is just missed in wheezy packaging or if
> theres something new that I'm missing that is making it not work? I
> hope we would have working pvhvm for wheezy its great.
> Thanks
> chris

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