kernel test robot <oliver.sang@xxxxxxxxx> writes: > Greeting, > > FYI, we noticed the following commit (built with gcc-9): > > commit: feb627e8d6f69c9a319fe279710959efb3eba873 ("KVM: x86: Forbid KVM_SET_CPUID{,2} after KVM_RUN") > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master > ... > > # selftests: kvm: vmx_pmu_msrs_test > # ==== Test Assertion Failure ==== > # lib/x86_64/processor.c:874: rc == 0 > # pid=10415 tid=10415 errno=22 - Invalid argument > # 1 0x000000000040b24f: vcpu_set_cpuid at processor.c:873 > # 2 0x000000000040260a: main at vmx_pmu_msrs_test.c:115 > # 3 0x00007f07e1aec09a: ?? ??:0 > # 4 0x0000000000402759: _start at ??:? > # KVM_SET_CPUID2 failed, rc: -1 errno: 22 > not ok 33 selftests: kvm: vmx_pmu_msrs_test # exit=254 > Hm, I'm pretty sure I've tested feb627e8d6f6 on both Intel and AMD and I don't remember seeing this failure :-( . vmx_pmu_msrs_test test does KVM_SET_CPUID after KVM_RUN and thus needs to be fixed too. Will send a patch shortly. -- Vitaly