vmx_mtf_pdpte_test in ubuntu_kvm_unit_tests failed with J-6.5 kernel (FAIL: PDPTE3 is 0x0)

[Po-Hsu Lin]

Issue found on bare-metal node with jammy/linux-ibm-gt-opt/6.5.0-1003.3~22.04.1 also jammy/linux-aws-6.5/6.5.0-1008.8~22.04.1 AWS i3.metal, r5.metal bare-metal instances. (Works fine with Mantic-6.5)

Test failed with:
 FAIL: PDPTE3 is 0x0 (expected 0x100c001)

Test log:
 Running '/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/tests/vmx_mtf_pdpte_test'
 BUILD_HEAD=d8edb59a
 timeout -k 1s --foreground 90s /usr/bin/qemu-system-x86_64 --no-reboot -nodefaults -device pc-testdev -device isa-debug-exit,iobase=0xf4,iosize=0x4 -vnc none -serial stdio -device pci-testdev -machine accel=kvm -kernel /tmp/tmp.BJ6YJxXD9v -smp 1 -cpu max,+vmx -append vmx_mtf_pdpte_test # -initrd /tmp/tmp.p7NLjbXpQi
 enabling apic
 smp: waiting for 0 APs
 paging enabled
 cr0 = 80010011
 cr3 = 1007000
 cr4 = 20
 filter = vmx_mtf_pdpte_test, test = test_vmx_feature_control
 filter = vmx_mtf_pdpte_test, test = test_vmxon
 filter = vmx_mtf_pdpte_test, test = test_vmptrld
 filter = vmx_mtf_pdpte_test, test = test_vmclear
 filter = vmx_mtf_pdpte_test, test = test_vmptrst
 filter = vmx_mtf_pdpte_test, test = test_vmwrite_vmread
 filter = vmx_mtf_pdpte_test, test = test_vmcs_high
 filter = vmx_mtf_pdpte_test, test = test_vmcs_lifecycle
 filter = vmx_mtf_pdpte_test, test = test_vmx_caps
 filter = vmx_mtf_pdpte_test, test = test_vmread_flags_touch
 filter = vmx_mtf_pdpte_test, test = test_vmwrite_flags_touch
 filter = vmx_mtf_pdpte_test, test = null
 filter = vmx_mtf_pdpte_test, test = vmenter
 filter = vmx_mtf_pdpte_test, test = preemption timer
 filter = vmx_mtf_pdpte_test, test = control field PAT
 filter = vmx_mtf_pdpte_test, test = control field EFER
 filter = vmx_mtf_pdpte_test, test = CR shadowing
 filter = vmx_mtf_pdpte_test, test = I/O bitmap
 filter = vmx_mtf_pdpte_test, test = instruction intercept
 filter = vmx_mtf_pdpte_test, test = EPT A/D disabled
 filter = vmx_mtf_pdpte_test, test = EPT A/D enabled
 filter = vmx_mtf_pdpte_test, test = PML
 filter = vmx_mtf_pdpte_test, test = interrupt
 filter = vmx_mtf_pdpte_test, test = nmi_hlt
 filter = vmx_mtf_pdpte_test, test = debug controls
 filter = vmx_mtf_pdpte_test, test = MSR switch
 filter = vmx_mtf_pdpte_test, test = vmmcall
 filter = vmx_mtf_pdpte_test, test = disable RDTSCP
 filter = vmx_mtf_pdpte_test, test = exit_monitor_from_l2_test
 filter = vmx_mtf_pdpte_test, test = invalid_msr
 filter = vmx_mtf_pdpte_test, test = v2_null_test
 filter = vmx_mtf_pdpte_test, test = v2_multiple_entries_test
 filter = vmx_mtf_pdpte_test, test = fixture_test_case1
 filter = vmx_mtf_pdpte_test, test = fixture_test_case2
 filter = vmx_mtf_pdpte_test, test = invvpid_test
 filter = vmx_mtf_pdpte_test, test = vmx_controls_test
 filter = vmx_mtf_pdpte_test, test = vmx_host_state_area_test
 filter = vmx_mtf_pdpte_test, test = vmx_guest_state_area_test
 filter = vmx_mtf_pdpte_test, test = vmentry_movss_shadow_test
 filter = vmx_mtf_pdpte_test, test = vmentry_unrestricted_guest_test
 filter = vmx_mtf_pdpte_test, test = vmx_eoi_bitmap_ioapic_scan_test
 filter = vmx_mtf_pdpte_test, test = vmx_hlt_with_rvi_test
 filter = vmx_mtf_pdpte_test, test = apic_reg_virt_test
 filter = vmx_mtf_pdpte_test, test = virt_x2apic_mode_test
 filter = vmx_mtf_pdpte_test, test = vmx_apic_passthrough_test
 filter = vmx_mtf_pdpte_test, test = vmx_apic_passthrough_thread_test
 filter = vmx_mtf_pdpte_test, test = vmx_apic_passthrough_tpr_threshold_test
 filter = vmx_mtf_pdpte_test, test = vmx_init_signal_test
 filter = vmx_mtf_pdpte_test, test = vmx_sipi_signal_test
 filter = vmx_mtf_pdpte_test, test = vmx_vmcs_shadow_test
 filter = vmx_mtf_pdpte_test, test = vmx_ldtr_test
 filter = vmx_mtf_pdpte_test, test = vmx_cr_load_test
 filter = vmx_mtf_pdpte_test, test = vmx_cr4_osxsave_test
 filter = vmx_mtf_pdpte_test, test = vmx_no_nm_test
 filter = vmx_mtf_pdpte_test, test = vmx_db_test
 filter = vmx_mtf_pdpte_test, test = vmx_nmi_window_test
 filter = vmx_mtf_pdpte_test, test = vmx_intr_window_test
 filter = vmx_mtf_pdpte_test, test = vmx_pending_event_test
 filter = vmx_mtf_pdpte_test, test = vmx_pending_event_hlt_test
 filter = vmx_mtf_pdpte_test, test = vmx_store_tsc_test
 filter = vmx_mtf_pdpte_test, test = vmx_preemption_timer_zero_test
 filter = vmx_mtf_pdpte_test, test = vmx_preemption_timer_tf_test
 filter = vmx_mtf_pdpte_test, test = vmx_preemption_timer_expiry_test
 filter = vmx_mtf_pdpte_test, test = ept_access_test_not_present
 filter = vmx_mtf_pdpte_test, test = ept_access_test_read_only
 filter = vmx_mtf_pdpte_test, test = ept_access_test_write_only
 filter = vmx_mtf_pdpte_test, test = ept_access_test_read_write
 filter = vmx_mtf_pdpte_test, test = ept_access_test_execute_only
 filter = vmx_mtf_pdpte_test, test = ept_access_test_read_execute
 filter = vmx_mtf_pdpte_test, test = ept_access_test_write_execute
 filter = vmx_mtf_pdpte_test, test = ept_access_test_read_write_execute
 filter = vmx_mtf_pdpte_test, test = ept_access_test_reserved_bits
 filter = vmx_mtf_pdpte_test, test = ept_access_test_ignored_bits
 filter = vmx_mtf_pdpte_test, test = ept_access_test_paddr_not_present_ad_disabled
 filter = vmx_mtf_pdpte_test, test = ept_access_test_paddr_not_present_ad_enabled
 filter = vmx_mtf_pdpte_test, test = ept_access_test_paddr_read_only_ad_disabled
 filter = vmx_mtf_pdpte_test, test = ept_access_test_paddr_read_only_ad_enabled
 filter = vmx_mtf_pdpte_test, test = ept_access_test_paddr_read_write
 filter = vmx_mtf_pdpte_test, test = ept_access_test_paddr_read_write_execute
 filter = vmx_mtf_pdpte_test, test = ept_access_test_paddr_read_execute_ad_disabled
 filter = vmx_mtf_pdpte_test, test = ept_access_test_paddr_read_execute_ad_enabled
 filter = vmx_mtf_pdpte_test, test = ept_access_test_paddr_not_present_page_fault
 filter = vmx_mtf_pdpte_test, test = ept_access_test_force_2m_page
 filter = vmx_mtf_pdpte_test, test = atomic_switch_max_msrs_test
 filter = vmx_mtf_pdpte_test, test = atomic_switch_overflow_msrs_test
 filter = vmx_mtf_pdpte_test, test = rdtsc_vmexit_diff_test
 filter = vmx_mtf_pdpte_test, test = vmx_mtf_test
 filter = vmx_mtf_pdpte_test, test = vmx_mtf_pdpte_test

 Test suite: vmx_mtf_pdpte_test
 PASS: PDPTE0 is 0x1009001 (expected 0x1009001)
 PASS: PDPTE1 is 0x100a001 (expected 0x100a001)
 PASS: PDPTE2 is 0x100b001 (expected 0x100b001)
 FAIL: PDPTE3 is 0x0 (expected 0x100c001)
 filter = vmx_mtf_pdpte_test, test = vmx_pf_exception_test
 filter = vmx_mtf_pdpte_test, test = vmx_pf_no_vpid_test
 filter = vmx_mtf_pdpte_test, test = vmx_pf_invvpid_test
 filter = vmx_mtf_pdpte_test, test = vmx_pf_vpid_test
 filter = vmx_mtf_pdpte_test, test = vmx_exception_test
 SUMMARY: 24 tests, 1 unexpected failures
 FAIL vmx_mtf_pdpte_test (24 tests, 1 unexpected failures)

[Po-Hsu Lin (cypressyew)]

Found on J-oracle-6.5.0-1013.13~22.04.4