Re: [Xen-devel] xen 4 via nano u2300 troubles

[Hans de Bruin <jmdebruin@xxxxxxxxx>]

On 05/20/2010 10:03 PM, Jeremy Fitzhardinge wrote:
> On 05/20/2010 12:54 PM, Hans de Bruin wrote:
> > I have some trouble booting xen 4 x86_64 on my jetway nf76 board. It
> > has a via nano u2300 cpu and via vx8800 chipset.

...

> > Since i am not interested in hvm i changed CONFIG_HVM := y in
> > config/x86_64.mk to n, but that did not make the error disapear.
> I think you're treading into lightly tested or completely untested
> territory if you disable that.
I have undone my CONFIG_HVM change.

> > (XEN) Initing memory sharing.
> > (XEN) Xen BUG at /usr/src/xen-4.0-testing.hg/xen/include/asm/hvm/io:34
> > (XEN) ----[ Xen-4.0.1-rc1-pre  x86_64  debug=n  Not tainted ]----
> > (XEN) CPU:    0
> > (XEN) RIP:    e008:[<ffff82c480137644>] iommu_setup+0xd4/0x110
> Does booting with iommu=0 help?
yep. The kernel has some difficulty in finding the rootfs, but that will 
be fixed by some recompiling.
--
Hans

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