Vitaly Kuznetsov <vkuznets@xxxxxxxxxx> 于2019年10月8日周二 下午2:20写道： > > Nadav Amit <nadav.amit@xxxxxxxxx> writes: > > > Is kvm-unit-test supposed to pass on AMD machines or AMD VMs?. > > > > It is supposed to but it doesn't :-) Actually, not only kvm-unit-tests > but the whole SVM would appreciate some love ... > > > Clearly, I ask since they do not pass on AMD on bare-metal. > > On my AMD EPYC 7401P 24-Core Processor bare metal I get the following > failures: > > FAIL vmware_backdoors (11 tests, 8 unexpected failures) > > (Why can't we just check > /sys/module/kvm/parameters/enable_vmware_backdoor btw???) > > FAIL svm (15 tests, 1 unexpected failures) > > There is a patch for that: > > https://lore.kernel.org/kvm/d3eeb3b5-13d7-34d2-4ce0-fdd534f2bcc3@xxxxxxxxxx/T/#t > > Are you seeing different failures? > > -- > Vitaly On my test machine AMD Opteron(tm) Processor 6386 SE, bare metal: I got similar result: vmware_backdoors (11 tests, 8 unexpected failures) svm (13 tests, 1 unexpected failures), it failed on FAIL: tsc_adjust Latency VMRUN : max: 181451 min: 13150 avg: 13288 Latency VMEXIT: max: 270048 min: 13455 avg: 13623
