Sounds like a genuinely frustrating experience. Bit confused about why nested virt has anything to do with their problems given that they aren’t using virt ins

Sounds like a genuinely frustrating experience. Bit confused about why nested virt has anything to do with their problems given that they aren’t using virt inside the VMs. Softlocks are a generic indication of a lack of forward progress. Same confusion with the MMIO instructions comment. If that’s about instruction emulation, not sure why it matters where it happens? It’s both slow and bound for userspace anyway. If it’s supposed to be fast it should basically never be exiting the guest, let alone be emulated. Sounds like the author is a bit frustrated and (understandably) grasping at whatever straws they can for that most recent incident.