On 07/17/2017 11:13 AM, Xulei (Stone) wrote: >> |--virtio_queue_empty >> >> Then, kmod falls in infinite loop in handle EPT_MISCONFIG. >> As far as i know, when kvm enters guest after handling EPT_MISCONFIG, >> seabios should return >> from mmio write and wait for virtio backend(qemu) to handle this mmio >> writing. >> What puzzles me: >> 1) i can not understand why kvm runs in infinite loop and seabios does not >> return from writew.
>From the trace in L1 guest, it did not hang in KVM, as it went into guest mode normally. >> 2) kvm nested kvm is ok. But vmware nested kvm is not ok. This problem has >> anything related >> with vmware? >> > It is the issue in vmware, i guess the RIP register is not handled correctly. > BTW, does kvm unit tests run well on nested vmware? Sadly, kvm unit tests run fail on nested vmware and make the CentOS 7.3(with kmod 4.4.11) crashed...