Re: [Xen-users] pvhvm on debian

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

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
there.
http://wiki.xen.org/wiki/Reporting_Bugs_against_Xen#Guest_console_logs
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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