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Re: [Xen-devel] [BUG] After upgrade to Xen 4.12.0 iommu=no-igfx
- To: Roman Shaposhnik <roman@xxxxxxxxxx>
- From: Jan Beulich <JBeulich@xxxxxxxx>
- Date: Wed, 24 Jul 2019 12:00:38 +0000
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- Cc: Juergen Gross <JGross@xxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Paul Durrant <Paul.Durrant@xxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, "boris.ostrovsky@xxxxxxxxxx" <boris.ostrovsky@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Delivery-date: Wed, 24 Jul 2019 12:03:07 +0000
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- Thread-topic: [Xen-devel] [BUG] After upgrade to Xen 4.12.0 iommu=no-igfx
On 23.07.2019 19:58, Roman Shaposhnik wrote:
> No worries. Take a look at the head of the log attached.
One more thing for you to tweak to make the log even more useful:
As per
(XEN) Xen version 4.12.0 (@) (gcc (Alpine 6.4.0) 6.4.0) debug=n Tue Jul 23
17:15:48 UTC 2019
this is a non-debug build. If you used a debug one, there ought to
be another confirming message next to
(XEN) [VT-D]found ACPI_DMAR_RMRR:
(XEN) [VT-D] RMRR address range 8d800000..8fffffff not in reserved memory;
need "iommu_inclusive_mapping=1"?
(XEN) [VT-D] endpoint: 0000:00:02.0
plus others in case of errors beyond the memory map related one
(which, as was pointed out already, is a warning only). In case
you're interested, see register_one_rmrr() in particular.
Jan
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