Hello once again, I noticed that there is still more problems with kvmself test (at least on my machine) Any test that would successfully reach the guest's code immediately VMexit by a shutdown. $ ./vmx_tsc_adjust_test ==== Test Assertion Failure ==== x86_64/vmx_tsc_adjust_test.c:156: run->exit_reason == KVM_EXIT_IO pid=8499 tid=8499 - Success 1 0x00005604f07bd36c: ?? ??:0 2 0x00007f5c0dc53ae6: ?? ??:0 3 0x00005604f07bd4b9: ?? ??:0 Got exit_reason other than KVM_EXIT_IO: 8 (SHUTDOWN) Also I have got a question I noticed 2 kvm test suites, kvm selftests in tools/testing/selftests/kvm/ and this kvm unit test at [1] I am curious if I should put my tests in the kvm unit test intead of kvm selftest -- links -- [1] https://git.kernel.org/pub/scm/virt/kvm/kvm-unit-tests.git Thanks Ahmed,