On 08/05/2014 05:26 AM, Paolo Bonzini wrote: > Il 04/08/2014 19:02, Chris J Arges ha scritto: >> All tests below are done with the kvm tip (fresh as of today) merged >> with 3.16-rc4. > Updated information with the three new kvm-unit-tests patches you've posted. > Sorry, I had missed the list of failures. > >> * Failures: >> - pmu >> As suggested in comment 2 on this bug: >> https://bugzilla.redhat.com/show_bug.cgi?id=1079796 >> Adding the -cpu host allows this test to PASS. > > Correct, I thought unittests.cfg already did that. > Ok with your latest patches, the test case runs, but fails on a few other tests: ⟫ sudo ./x86-run x86/pmu.flat -smp 1 -cpu host | grep FAIL FAIL: fixed-2 FAIL: all counters >> - tsc_adjust >> Here again adding "-cpu host" allows this to pass. > > Looks like QEMU doesn't know the tsc_adjust flag at all. CCing Eduardo. > >> - pcid >> Here again adding "-cpu host" allows this to pass. > > It passes here, and fails with "-cpu host": > > PASS: CPUID consistency > FAIL: Test on PCID when enabled > PASS: Test on INVPCID when disabled > > Looks like the "Test on PCID when enabled" has problems, and the > -cpu flag is a red herring. > This test now passes. >> - msr (HANG) >> ./x86-run x86/msr.flat -smp 1 >> >> $ sudo ./x86-run x86/msr.flat -smp 1qemu-system-x86_64 -enable-kvm >> -device pc-testdev -device isa-debug-exit,iobase=0xf4,iosize=0x4 >> -display none -serial stdio -device pci-testdev -kernel x86/msr.flat -smp 1 >> enabling apic >> enabling apic >> enabling apic >> >> "enabling apic" repeats and adding -cpu host seems to have no effect. >> Interestingly enough on an Ubuntu 3.13 series kernel this PASSes. > > The APICBASE register is already tested by the apic testcase, and the > simple-minded tests in msr.flat actually trigger a general protection > fault nowadays because the quality of the emulation improved. I'm > dropping the APICBASE tests from msr.flat. > This test now passes. >> - vmx (HANG) >> Test suite: interrupt >> PASS: direct interrupt while running guest >> PASS: intercepted interrupt while running guest >> PASS: direct interrupt + hlt >> >> Here it just hangs. > > It fails here for me. It could be related to APICv, can you try with > the enable_apic=0 parameter to kvm-intel.ko? > > Paolo With enable_apicv=0, this test case just FAILs for me. ⟫ sudo ./x86-run x86/vmx.flat -smp 1 -cpu host,+vmx | grep FAIL FAIL: EPT violation - paging structure FAIL: intercepted interrupt + hlt I'll try to dig a bit more, but things are looking much better! Thanks for the help and patches. --chris j arges -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
