Date:   Mon, 8 Oct 2018 17:29:05 +0800
From:   kernel test robot <rong.a.chen@...el.com>
To:     Vitaly Kuznetsov <vkuznets@...hat.com>
Cc:     Paolo Bonzini <pbonzini@...hat.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        kvm@...r.kernel.org, lkp@...org
Subject: [LKP] [x86/kvm/lapic]  d176620277:
 kvm-unit-tests.vmx_EPT_AD_disabled.fail

FYI, we noticed the following commit (built with gcc-7):

commit: d1766202779e81d0f2a94c4650a6ba31497d369d ("x86/kvm/lapic: always disable MMIO interface in x2APIC mode")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master

in testcase: kvm-unit-tests
with following parameters:




on test machine: 88 threads Intel(R) Xeon(R) CPU E5-2699 v4 @ 2.20GHz with 128G memory

caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):




ignored_by_lkp: pku
ignored_by_lkp: taskswitch
ignored_by_lkp: taskswitch2
ignored_by_lkp: svm
ignored_by_lkp: hyperv_connections
ignored_by_lkp: vmx
ignored_by_lkp: vmx_controls
ignored_by_lkp: vmx_test_vmx_feature_control
ignored_by_lkp: vmx_instruction_intercept
ignored_by_lkp: vmware_backdoors
2018-09-27 01:44:54 ./run_tests.sh
.[32mPASS.[0m apic-split (49 tests)
.[32mPASS.[0m ioapic-split (19 tests)
.[32mPASS.[0m apic (49 tests)
.[32mPASS.[0m ioapic (19 tests)
.[32mPASS.[0m smptest (1 tests)
.[32mPASS.[0m smptest3 (1 tests)
.[32mPASS.[0m vmexit_cpuid 
.[32mPASS.[0m vmexit_vmcall 
.[32mPASS.[0m vmexit_mov_from_cr8 
.[32mPASS.[0m vmexit_mov_to_cr8 
.[32mPASS.[0m vmexit_inl_pmtimer 
.[32mPASS.[0m vmexit_ipi 
.[32mPASS.[0m vmexit_ipi_halt 
.[32mPASS.[0m vmexit_ple_round_robin 
.[32mPASS.[0m vmexit_tscdeadline 
.[32mPASS.[0m vmexit_tscdeadline_immed 
.[32mPASS.[0m access 
.[32mPASS.[0m smap (18 tests)
.[32mPASS.[0m emulator (125 tests, 2 skipped)
.[32mPASS.[0m eventinj (13 tests)
.[32mPASS.[0m hypercall (2 tests)
.[32mPASS.[0m idt_test (4 tests)
.[32mPASS.[0m memory (8 tests)
.[32mPASS.[0m msr (12 tests)
.[32mPASS.[0m pmu (67 tests)
.[32mPASS.[0m port80 
.[32mPASS.[0m realmode 
.[32mPASS.[0m s3 
.[32mPASS.[0m sieve 
.[32mPASS.[0m syscall (2 tests)
.[32mPASS.[0m tsc (3 tests)
.[32mPASS.[0m tsc_adjust (5 tests)
.[32mPASS.[0m xsave (17 tests)
.[32mPASS.[0m rmap_chain 
.[32mPASS.[0m kvmclock_test 
.[32mPASS.[0m pcid (3 tests)
.[32mPASS.[0m vmx_null (1 tests)
.[32mPASS.[0m vmx_test_vmxon (4 tests)
.[32mPASS.[0m vmx_test_vmptrld (5 tests)
.[32mPASS.[0m vmx_test_vmclear (6 tests)
.[32mPASS.[0m vmx_test_vmptrst (1 tests)
.[32mPASS.[0m vmx_test_vmwrite_vmread (1 tests)
.[32mPASS.[0m vmx_test_vmcs_high (4 tests)
.[32mPASS.[0m vmx_test_vmcs_lifecycle (9 tests)
.[32mPASS.[0m vmx_test_vmx_caps (11 tests)
.[32mPASS.[0m vmx_vmenter (2 tests)
.[32mPASS.[0m vmx_preemption_timer (5 tests)
.[32mPASS.[0m vmx_control_field_PAT (3 tests)
.[32mPASS.[0m vmx_control_field_EFER (3 tests)
.[32mPASS.[0m vmx_CR_shadowing (12 tests)
.[32mPASS.[0m vmx_IO_bitmap (15 tests)
.[32mPASS.[0m vmx_EPT_AD_enabled (17 tests)
.[31mFAIL.[0m vmx_EPT_AD_disabled (19 tests, 1 unexpected failures)
.[32mPASS.[0m vmx_PML (2 tests)
.[32mPASS.[0m vmx_VPID (3 tests)
.[32mPASS.[0m vmx_interrupt (8 tests)
.[32mPASS.[0m vmx_debug_controls (4 tests)
.[32mPASS.[0m vmx_MSR_switch (4 tests)
.[32mPASS.[0m vmx_vmmcall (1 tests)
.[32mPASS.[0m vmx_disable_RDTSCP (2 tests)
.[32mPASS.[0m vmx_int3 (1 tests)
.[32mPASS.[0m vmx_into (1 tests)
.[32mPASS.[0m vmx_exit_monitor_from_l2_test 
.[32mPASS.[0m vmx_v2 (29 tests)
.[32mPASS.[0m vmx_ept_access_test_not_present (188 tests)
.[32mPASS.[0m vmx_ept_access_test_read_only (158 tests)
.[32mPASS.[0m vmx_ept_access_test_write_only (152 tests)
.[32mPASS.[0m vmx_ept_access_test_read_write (128 tests)
.[32mPASS.[0m vmx_ept_access_test_execute_only (158 tests)
.[32mPASS.[0m vmx_ept_access_test_read_execute (128 tests)
.[32mPASS.[0m vmx_ept_access_test_write_execute (152 tests)
.[32mPASS.[0m vmx_ept_access_test_read_write_execute (98 tests)
.[32mPASS.[0m vmx_ept_access_test_reserved_bits (4078 tests)
.[32mPASS.[0m vmx_ept_access_test_ignored_bits (2888 tests)
.[32mPASS.[0m vmx_ept_access_test_paddr_not_present_ad_disabled (62 tests)
.[32mPASS.[0m vmx_ept_access_test_paddr_not_present_ad_enabled (62 tests)
.[32mPASS.[0m vmx_ept_access_test_paddr_read_only_ad_disabled (141 tests)
.[32mPASS.[0m vmx_ept_access_test_paddr_read_only_ad_enabled (166 tests)
.[32mPASS.[0m vmx_ept_access_test_paddr_read_write (45 tests)
.[32mPASS.[0m vmx_ept_access_test_paddr_read_write_execute (45 tests)
.[32mPASS.[0m vmx_ept_access_test_paddr_read_execute_ad_disabled (141 tests)
.[32mPASS.[0m vmx_ept_access_test_paddr_read_execute_ad_enabled (166 tests)
.[32mPASS.[0m vmx_ept_access_test_paddr_not_present_page_fault (8 tests)
.[32mPASS.[0m vmx_ept_access_test_force_2m_page (48 tests)
.[32mPASS.[0m vmx_invvpid (1561 tests)
.[32mPASS.[0m vmx_vmentry_movss_shadow_test (11 tests)
.[32mPASS.[0m vmx_cr_load_test (8 tests)
.[32mPASS.[0m vmx_eoi_bitmap_ioapic_scan (7 tests)
.[32mPASS.[0m vmx_apic_passthrough (12 tests)
.[32mPASS.[0m vmx_apic_passthrough_thread (8 tests)
.[32mPASS.[0m debug (11 tests)
.[32mPASS.[0m hyperv_synic (1 tests)
.[32mPASS.[0m hyperv_stimer (12 tests)
.[32mPASS.[0m hyperv_clock 
.[32mPASS.[0m intel_iommu (11 tests)



To reproduce:

        git clone https://github.com/intel/lkp-tests.git
        cd lkp-tests
        bin/lkp install job.yaml  # job file is attached in this email
        bin/lkp run     job.yaml



Thanks,
Rong Chen

View attachment "config-4.19.0-rc4-00007-gd176620" of type "text/plain" (167709 bytes)

View attachment "job-script" of type "text/plain" (4606 bytes)

Download attachment "dmesg.xz" of type "application/x-xz" (22548 bytes)

View attachment "kvm-unit-tests" of type "text/plain" (4357 bytes)

View attachment "job.yaml" of type "text/plain" (3790 bytes)

View attachment "reproduce" of type "text/plain" (19 bytes)

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