On 21/11/14 14:54, Jan Beulich wrote: >>>> On 21.11.14 at 15:39, <jgr...@suse.com> wrote: >> Trying to do PCI-passthrough with a 32-bit pv-domain I passed the >> wrong device to the domain. The MMIO address was too large for a >> MFN of a 32-bit system (it was 380003200000-3800036fffff). >> >> Instead of rejecting the operation Xen tried to perform it resulting >> in a (quite understandable) failure in the domU. >> >> I think either the hypervisor or the tools should refuse to do >> PCI-passthrough in this case. > What's wrong with this large an address?
It is wider than 44 bits, so doesn't fit in a 32bit pfn for p2m/m2p update operations. ~Andrew _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
