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Re: [Xen-devel] Re: [vt-d][xen4-rc6] Hangs on startup

To: Łukasz Oleś <lukaszoles@xxxxxxxxx>
Subject: Re: [Xen-devel] Re: [vt-d][xen4-rc6] Hangs on startup
From: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Date: Wed, 17 Mar 2010 16:14:46 -0400
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On Wed, Mar 17, 2010 at 07:20:19PM +0100, Łukasz Oleś wrote:
> Hi,
> I tried iommu_inclusive_mapping=1 but as Keir said it was alredy
> enabled so it didn't help.
> Next I applied patch from Cui and Dom0 started and I was able to run HVM 
> guest.
> I will update bios later in this week and test it again without patch.
> After dom0 started i tried to pass-through two devices using pci-stub,
> but it didn't work.
> Heres some log files:
> commands: http://pastebin.com/ccjCNR9s
> xen log: http://pastebin.com/fNaXLfbX

This is troubling:
# (XEN) mm.c:859:d0 Error getting mfn 40100 (pfn 5555555555555555) from L1
entry 8000000040100473 for l1e_owner=0, pg_owner=32753

You need to run Linux kernel with more debugging. Use 'debug
loglevel=10' to see it conjoined with Xen.

Also can you try to boot your machine _without_ using X?

When is this happening?
# (XEN) mm.c:859:d2 Error getting mfn 40010 (pfn 5555555555555555) from L1
entry 0000000040010037 for l1e_owner=2, pg_owner=2                              

Is this when you start your guest? At what point does this happen in the
guest? Can you attach the screenshot of your guest when this is

> dom0 dmesg:  http://pastebin.com/AQAbZV4x

> HVM config(based on xmexample.hvm): http://pastebin.com/cSLmxWsP
> In dmesg there are some network errors, I think you can ignore them. I
> need to change network-script
> Regards
> Łukasz Oleś
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