Re: [Xen-devel] dump with xen-unstable & linux 3.2.17

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Tue, May 22, 2012 at 12:21:20PM -0400, Ben Guthro wrote:
> good point.
> 
> I'll continue to try to figure this out - but if you have anything
> specific I can try (particular boot options, or a patch with extra
> debugging in interesting areas) please let me know, as it is 100%
> reproducible in my environment right now.

So.. you mentioned that you are using the serial console and that
there were some changes in the hypervisor to deal with the serial console.

I sent to xen-devel some of the patches that you guys had (with
proper authorship) - especially the one dealing with PCI serial cards.
Jan found that one of them had an simple mistake of trying to use
the ports before they were initialized and fixed that in xen-unstable.
Perhaps that is missing?

> 
> -Ben
> 
> On Tue, May 22, 2012 at 12:08 PM, Jan Beulich <JBeulich@xxxxxxxx> wrote:
> >>>> On 22.05.12 at 17:38, Ben Guthro <ben@xxxxxxxxxx> wrote:
> >> I still suspect this is something my dom0 kernel is doing incorrectly,
> >> but I don't have much to back that up other than a gut feeling.
> >
> > If the Dom0 kernel can affect the scheduler in this way, then
> > quite likely a DomU kernel can too. And even if not, it's still a
> > problem - the scheduler just shouldn't be susceptible.
> >
> > Jan
> >
> 
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