Looking through the interrupt handling paths I stumbled across several inconsitencies in the interrupt handling paths. Using this patchset, running the most recent KVM version in nested KVM works again. Alexander Graf (5): Implement #NMI exiting for nested SVM Don't call svm_complete_interrupts for nested guests Don't #VMEXIT(INTR) if we still have event_inj waiting Don't bail when injecting an event in nested SVM Notify nested hypervisor of lost event injections arch/x86/kvm/svm.c | 79 ++++++++++++++++++++++++++++++++++++++++++++------- 1 files changed, 68 insertions(+), 11 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html