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xen-devel
Re: [Xen-devel] RE: hypervisor crash in map_vtd_domain_page
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To: |
"Kay, Allen M" <allen.m.kay@xxxxxxxxx> |
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Subject: |
Re: [Xen-devel] RE: hypervisor crash in map_vtd_domain_page |
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From: |
Ian Campbell <Ian.Campbell@xxxxxxxxxx> |
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Date: |
Mon, 17 Jan 2011 14:18:47 +0000 |
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Cc: |
"Zhang, Yang Z" <yang.z.zhang@xxxxxxxxx>, "You, Yongkang" <yongkang.you@xxxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Keir Fraser <keir@xxxxxxx> |
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Delivery-date: |
Mon, 17 Jan 2011 06:20:29 -0800 |
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Organization: |
Citrix Systems, Inc. |
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References: |
<1294913510.8240.30.camel@xxxxxxxxxxxxxxxxxxxxxx> <987664A83D2D224EAE907B061CE93D5301941079FE@xxxxxxxxxxxxxxxxxxxxxxxxxxxx> <1294995425.8240.85.camel@xxxxxxxxxxxxxxxxxxxxxx> <1295256195.14981.12.camel@xxxxxxxxxxxxxxxxxxxxxx> |
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xen-devel-bounces@xxxxxxxxxxxxxxxxxxx |
On Mon, 2011-01-17 at 09:23 +0000, Ian Campbell wrote:
> On Fri, 2011-01-14 at 08:57 +0000, Ian Campbell wrote:
> > On Thu, 2011-01-13 at 18:38 +0000, Kay, Allen M wrote:
> > > Ian/Keir,
> > >
> > > The attached patch should fix the crash issue. Somehow the check for
> > > !iommu_hap_pt_share in function iommu_set_pgd() got dropped in changeset
> > > 22692.
> > >
> > > Signed-off-by: Allen Kay <allen.m.kay@xxxxxxxxx>
> >
> > Works for me. Thanks.
>
> However I'm now seeing this when passing through devices to a HVM guest
> with a stub domain.
This turned out to be nothing to do with passthrough/iommu etc.
Patch posted as "xen: fix XEN_DOMCTL_memory_mapping to not return with
domain RCU lock held"
Ian.
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