On Fri, Jan 27, 2023 at 10:08:14AM +0100, Peter Zijlstra wrote: > Welcome to the wonderful shit show that is x86 exceptions :/ > > I thought sev_es_*() is supposed to fix this. Joerg, any clue? Hmm, no, not yet, the stack-trace doesn't make much sense to me. The sev_es_* function calls in the NMI path are for re-enabling NMI and adjusting the #VC IST stack to allow nested VCs. Alexey, can you try to get a more stable backtrace? For example by building the kernel with frame pointers? Regards, Joerg
