> > > Ok i see 3.10 was released 2013-06-30, so looking for a cpu released the > > previous year, say > > IvyBridge, IvyBridge-IBR Intel Xeon E3-12xx v2 (Ivy Bridge, 2012) > > > > and $ qemu-system-x86_64 -cpu ? | grep -i ivy > > x86 IvyBridge (alias configured by machine type) > > > > x86 IvyBridge-IBRS (alias of IvyBridge-v2) > > > > x86 IvyBridge-v1 Intel Xeon E3-12xx v2 (Ivy Bridge) > > > > x86 IvyBridge-v2 Intel Xeon E3-12xx v2 (Ivy Bridge, IBRS) > > > > > > So if I run the following then RHEL will think it's running on an > IvyBridge > > cpu, right? > > $ qemu-system-x86_64 -cpu 'x86 IvyBridge-v1' etc > > Try: > > qemu-system-x86_64 -cpu IvyBridge-v1 ... > > The x86 part is to indicate the arch only, not meant to be included in the > stanza.
Thanks - it's working. I had to go back one generation earlier to 'SandyBridge' as IvyBridge couldn't be used due to Ryzen missing the erms instruction.