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Re: [Xen-devel] Re: pvops kernel branches - 2.6.36 options, stable/next/

To: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Subject: Re: [Xen-devel] Re: pvops kernel branches - 2.6.36 options, stable/next/etc?
From: Bruce Edge <bruce.edge@xxxxxxxxx>
Date: Wed, 10 Nov 2010 12:04:05 -0800
Cc: Jeremy Fitzhardinge <jeremy@xxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx
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On Wed, Nov 10, 2010 at 11:43 AM, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> wrote:
> It's not a patch on konrad's stable/xen-pcifront-0.8.2 branch which was
> looking very good around the 10/21 timeframe, but which has also developed
> it's own set of instabilities recently.

Oooh, share please.

> I haven't reported any of the symptoms as I thought I'd let the dist settle
> before starting the bug reporting.
> Is there some other branch that developers working on PCI device drivers in
> a pvops domU should be following?

Well, I am working on a PCI E820 hole thingie, but those patches are in the
infancy period. There are some fixes:


but they aren't that .. sophisticated.
> I realize that we're tracking unstable trees, but it's either that or hvm.
> We'd like to stick with the benefits that pvops provides, but I'm running
> out of branches to try.
> The last stable domU I built was:
> git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen.git -
> stable/xen-pcifront-0.8.2
>  8029255fcc3a7925ad8ee9f5fdc0764b6662301e

Hmm, so the difference between that and the upstream is the PVonHVM and
the initial domain 0 support (all in Stefano's tree).

I'll try disabling CONFIG_XEN_PVHVM and see if that helps.

Either way I'll start filing the problems I'm seeing.



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