On 10.07.19 16:40, Paolo Bonzini wrote: > On 08/07/19 20:31, Jan Kiszka wrote: >>> - if (cpu_has_nested_virt(env) && !env->nested_state) { >>> + if (kvm_enabled() && cpu_has_vmx(env) && !env->nested_state) { >>> error_report("Guest enabled nested virtualization but kernel " >>> "does not support saving of nested state"); >>> return -EINVAL; >>> >> Starting with this commit latest (bisection issue...), running Jailhouse in a >> guest first stalls L1 (looks like we lose interrupts), and if I try to reset >> that VM, I lose my host as well: > > If 5.2 is still broken, can you gather a dump of KVM_SET_NESTED_STATE's > payload?
savevm or is there a dump function in QEMU or the kernel? Jan -- Siemens AG, Corporate Technology, CT RDA IOT SES-DE Corporate Competence Center Embedded Linux