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Re: [Xen-devel] Booting Xen 3.4 with iommu=1 causes boot to hang
| To: | Tom Rotenberg <tom.rotenberg@xxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] Booting Xen 3.4 with iommu=1 causes boot to hang |
| From: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
| Date: | Sun, 24 May 2009 12:43:36 +0100 |
| Cc: | |
| Delivery-date: | Sun, 24 May 2009 04:44:07 -0700 |
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| Thread-topic: | [Xen-devel] Booting Xen 3.4 with iommu=1 causes boot to hang |
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On 24/05/2009 12:09, "Tom Rotenberg" <tom.rotenberg@xxxxxxxxx> wrote: > It looks like some kind of a problem in Xen IOMMU code, no? Anyone has any > clue regarding this? There are plenty of broken BIOSes out there that don't correctly support VT-d. Try adding iommu_inclusive_mapping as an extra Xen boot parameter -- this workaround is often successful. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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