From mboxrd@z Thu Jan  1 00:00:00 1970
From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Subject: Re: [GIT PULL] pv/pcifront-2.6.32 + pv/pciback-2.6.32
	= [INTx/MSI/MSI-X work now]
Date: Wed, 21 Apr 2010 14:46:07 -0400
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References: <20100421025903.GA26843@phenom.dumpdata.com>
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To: xen-devel@lists.xensource.com, Jeremy Fitzhardinge <jeremy@goop.org>
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> Bugs:
> - On my own branches (pv/merge.2.6.<blah>) I can only get the normal
> interrupts to work. Note, the pv/merge.2.6.<blah> are branches with
> the Xen-SWIOTLB and Xen PCI Frontend and cherrypicks from various trees
> to make it work. Passing in MSI and MSI-X devices makes the guest hang
> so I think I am missing some patch from your trees. Haven't tracked this
> down yet.

Duh! The problem was that I forgot to include 'iommu=soft' on the PV
guest command line. Easy fix  :-)