Adding xen-devel, dropped it on my reply. Replying from my phone, sorry for the formatting.
El 20 nov. 2017 9:35, "Juergen Gross" <jgr...@suse.com> escribió: For PVH domains loading of the ACPI RSDP table is done via allocating a domain loader segment after having loaded the kernel. This leads to the RSDP table being loaded at an arbitrary guest address instead of the architectural correct address just below 1MB. AFAIK this is only true for legacy BIOS boot, when using UEFI the RSDP can be anywhere in memory, hence grub2 must already have an alternative way of finding the RSDP apart from scanning the low 1MB. Thanks, Roger.
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