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xen-devel
Re: [Xen-devel] pv-grub boot hangs when iommu=soft. Booting kernel direc
On Tue, Jul 06, 2010 at 12:24:15PM -0400, Richie wrote:
> Are you able to pv-grub boot while specifying iommu=soft?
No.
>
> To clarify this specific issue; the problem was that minios would
> produce an error message (see example, specifically: port 5 still
> bound!) and fail to boot the kernel. I suspect if that if you are
I get another error, wherein Linux kernel does boot but up to
initializing the SWIOTLB, and then it crashes due to Xen not allowing
SWIOTLB to swizzle the pages. This is what Xen says:
(XEN) mm.c:3847:d10 Bad page 00000000001beab4: ed=ffff830151210000(10),
sd=ffff830151210000, caf=8000000000000002, taf=7400000000000001
Also experienced by another user:
http://lists.xensource.com/archives/html/xen-devel/2010-04/msg00847.html
Haven't dug deeper in the hypervisor to figure out the caf/taf business.
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