Am 22.01.16 um 11:40 schrieb Jan Beulich: >>>> On 22.01.16 at 10:09, <pgad...@pse-consulting.de> wrote: >> When booting with Xen 4.4.1: >> >> AMD64 EDAC driver v3.4.0 >> EDAC amd64: DRAM ECC enabled. >> EDAC amd64: NB MCE bank disabled, set MSR 0x0000017b[4] on node 0 to enable. > I wonder how valid his message is. We actually write this MSR with > all ones during boot. > > However, considering involved functions like > nb_mce_bank_enabled_on_node() or node_to_amd_nb() taking > node IDs as inputs, and considering that PV guests (including > Dom0) don't have a topology matching that of the host, I doubt > very much that this driver is even remotely prepared to run > under Xen. It working on Xen 4.1.x would then be by pure > accident. The dmesg is identical with or without Xen4.1, so I'd guess it does work if flags are detected correctly.
Regards Andreas
