> I have a network of very nearly identical Dell XPS 13 laptops that I > manage with a script. The master pushes the contents of its > filesystem to the others so I only have to manage one system. It's > worked really well over several years. I just got a new Dell XPS 13 > to serve as the master and there have been some changes that were > difficult to integrate with the network (high-res screen, /dev/sda > replaced with /dev/nvme0n0) but those problems are fixed thanks to you > guys. > > Now I'm running into "trap invalid opcode" errors on the older > systems. Can I disable some of the newer CPU instruction sets on the > master laptop when compiling to hopefully generate binaries that will > work on the older systems? If so, could anyone point me in the right > direction? I don't want to use distcc please. > > CHOST="x86_64-pc-linux-gnu" > CFLAGS="-march=native -O2 -pipe -fomit-frame-pointer"
Switching to -mtune=native seems to work. Time for an emerge -e world. - Grant
