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I had a very similar issue with some AMD-based servers (bulldozer, I think) about ten years ago. There was a bug where Xen-based virtual machines could set a C-
by vegardx 3y ago
I had a very similar issue with some AMD-based servers (bulldozer, I think) about ten years ago. There was a bug where Xen-based virtual machines could set a C-state on cores it was assigned, but for whatever reason it wasn't able to wake them up. It was fun trying to figure out what the heck was going on.
- icybox 3y agoI have C-states already disabled because of old linux kernel bug where the kernel hang on Zen3 architecture. So not much to see here :)
- nicolaslem 3y agoDo you mean a bug in an old version of linux that is now fixed? Because I have been using Zen3 and Zen3+ on linux since their release and never had to mess with C-states.