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cimex
2013 Apr 16
0
Re: XSA-36 / howto fix broken IVRS ACPI table
...or the SB IOAPIC. I
modified the Xen source to ignore this second entry, and get the dmesg
shown below. My system seems to run fine after the change.
2) Properly configure the NB IOMMU, even if just as set out in 6.4.1.
http://review.coreboot.org/gitweb?p=coreboot.git;a=blob;f=src/vendorcode/amd/cimx/rd890/nbIoApic.c
which I understand to be from CIMX, has the necessary code.
I suppose if it came down to it, you could add code to Xen to bang in
the necessary configuration via the 10 indirect registers for the NB
IOMMU to match up with Table 6-6, which is what the above source file
seems to be...