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Re: [Xen-devel] I cannot get any message from domU by console / pv_ops d

To: Michael D Labriola <mlabriol@xxxxxxxx>
Subject: Re: [Xen-devel] I cannot get any message from domU by console / pv_ops domU kernel crashes with xen_create_contiguous_region failed
From: Michael D Labriola <mlabriol@xxxxxxxx>
Date: Tue, 22 Dec 2009 12:59:27 -0500
Cc: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxx, ?????? <peb1611@xxxxxxxxx>, Ian.Campbell@xxxxxxxxxx, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
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> > Got another patch on the way that should solve your problem. Please 
> > try it out.
> > 
> > Hmm, you are using Lotus Notes, I think it eats up spaces in patches, 
> > here it is as an attachment.
> > 
> > [attachment "a.patch" deleted by Michael D Labriola/EB/GDYN] 
> Will try it.  So domUs not requiring PCI passthrough will boot with 
> SWIOTLB disabled and in order to get PCI passthrough working we'll have 
> add 'iommu=soft' to the domU kernel args in addition to the normal 
> pci=[XX:YY:ZZ] line?  Just want to make sure I'm following all this. 
> Thanks!

Well, this seems to work for the first case (domU not needing PCI 
passthrough).  Haven't tried passing anything through yet.  On a more 
general pv_ops domU note, though... I no longer get a login prompt after 
watching the system boot with 'xm create -c'.  Is there something in my 
domU config that needs to change?

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