Re: Windows PV driver for KVM

[Dor Laor <dor.laor@qumranet.com>]

On Wed, 2008-05-14 at 08:55 +0800, Jiang, Yunhong wrote:
> Hi, Dor, I just checked the URL and seems it is not updated still,
> willyou update it?

Avi, since it passed regression, we can release it (also with the .pdb
file).

> 
> -- Yunhong Jiang
> 
> Dor Laor <mailto:dor.laor@qumranet.com> wrote:
> > On Wed, 2008-05-07 at 21:17 +0800, Jiang, Yunhong wrote:
> >> Avi Kivity <mailto:avi@qumranet.com> wrote:
> >>> Jiang, Yunhong wrote:
> >>>> I noticed there is a windows PV driver based on virtIO in
> >>>> http://sourceforge.net/project/showfiles.php?group_id=180599
> >>>> 
> >>>> But when I enable the driver in guest, the guest will hang. I'm
> using
> >>>> changeset around April, 18. Since the driver is created in March, I
> >>>> assume the changeset in Apri should be ok.
> >>>> 
> >>>> Are there any special action needed to enable the PV driver in
> windows?
> >>>> Have anyone tried it recently?
> >>>> 
> >>> 
> >>> We are using it in production.  What HAL is the guest using?  Are
> you
> >>> running with smp?
> >> 
> >> The HAL is ACPI multipprocessor PC.
> >> It is a UP guest. But I do notice one thing strange. When I use
> device
> >> manager->Processors, I see a lot of CPU listed. But it is really a UP
> >> system and I can only get one cpu in the task manager->performance
> >> window. Not sure if that's the reason of the hang.
> >> 
> > 
> > We just fixed an smp bug for virtio (also triggered by single
> processor
> > with ACPI multiprocessor HAL). We'll publish a new binary tomorrow.
> > 
> > The reason you see multiple cpus although there is only one is that we
> > expose the maximum number in the bios. The system is actually uses the
> > required number so this behavior is ok.
> > 
> > 
> >> -- Yunhong Jiang
> >> 
> >>> 
> >>> --
> >>> Any sufficiently difficult bug is indistinguishable from a feature.
> >> 
> >> 
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