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

To: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Subject: Re: [Xen-devel] xen 4 via nano u2300 troubles
From: Hans de Bruin <jmdebruin@xxxxxxxxx>
Date: Fri, 21 May 2010 22:54:53 +0200
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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.


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