Ubuntu
linux-azure package

ept test fails in kvm_unit_tests

Bug #1824228 reported by Sean Feole
8
This bug affects 1 person
Affects Status Importance Assigned to Milestone
ubuntu-kernel-tests
New
Undecided
Unassigned
linux-azure (Ubuntu)
New
Undecided
Unassigned
Bionic
New
Undecided
Unassigned
Disco
Won't Fix
Undecided
Unassigned
Eoan
New
Undecided
Unassigned
linux-kvm (Ubuntu)
New
Undecided
Unassigned
Bionic
New
Undecided
Unassigned
Disco
Won't Fix
Undecided
Unassigned
Eoan
New
Undecided
Unassigned
linux-oracle (Ubuntu)
New
Undecided
Unassigned
Bionic
New
Undecided
Unassigned
Disco
Won't Fix
Undecided
Unassigned
Eoan
New
Undecided
Unassigned

Bug Description

Reproducible: Yes,
Series: cosmic
Kernel: "linux-azure 4.18.0-1015.15"
Steps:

1.) apt-get install -y build-essential cpu-checker qemu-kvm git gcc-multilib
2.) git clone --depth=1 https://git.kernel.org/pub/scm/virt/kvm/kvm-unit-tests.git
3.) cd kvm-unit-tests; ./configure; make
4.) sudo TESTNAME=ept TIMEOUT=90s ACCEL= ./x86/run x86/vmx.flat -smp 1 -cpu host,host-phys-bits,+vmx -m 2560 -append "ept_access*"
timeout -k 1s --foreground 90s /usr/bin/qemu-system-x86_64 -nodefaults -device pc-testdev -device isa-debug-exit,iobase=0xf4,iosize=0x4 -vnc none -serial stdio -device pci-testdev -machine accel=kvm -kernel x86/vmx.flat -smp 1 -cpu host,host-phys-bits,+vmx -m 2560 -append ept_access* # -initrd /tmp/tmp.RcwfbGP5Ou
enabling apic
paging enabled
cr0 = 80010011
cr3 = 477000
cr4 = 20

Test suite: ept_access_test_not_present

Test suite: ept_access_test_read_only

Test suite: ept_access_test_write_only

Test suite: ept_access_test_read_write

Test suite: ept_access_test_execute_only

Test suite: ept_access_test_read_execute

Test suite: ept_access_test_write_execute

Test suite: ept_access_test_read_write_execute

Test suite: ept_access_test_reserved_bits

Test suite: ept_access_test_ignored_bits

Test suite: ept_access_test_paddr_not_present_ad_disabled

Test suite: ept_access_test_paddr_not_present_ad_enabled
Host skipping test: EPT AD bits not supported.

Test suite: ept_access_test_paddr_read_only_ad_disabled
EPT_VLT_RD expected
FAIL: x86/vmx_tests.c:2380: Expectation failed: (expected_qual) == (qual)
 LHS: 0x000000000000008b - 0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'1000'1011 - 139
 RHS: 0x000000000000008a - 0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'1000'1010 - 138
 STACK: 40f328 40f8fb 40fb0b 40ff49 401577 4039d0 400312
EPT_VLT_RD expected
FAIL: x86/vmx_tests.c:2380: Expectation failed: (expected_qual) == (qual)
 LHS: 0x000000000000008b - 0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'1000'1011 - 139
 RHS: 0x000000000000008a - 0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'1000'1010 - 138
 STACK: 40f328 40f8fb 40fb0b 40ff62 401577 4039d0 400312
EPT_VLT_RD expected
FAIL: x86/vmx_tests.c:2380: Expectation failed: (expected_qual) == (qual)
 LHS: 0x000000000000008b - 0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'1000'1011 - 139
 RHS: 0x000000000000008a - 0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'1000'1010 - 138
 STACK: 40f328 40f8fb 40fb0b 40ff7b 401577 4039d0 400312
EPT_VLT_RD expected
FAIL: x86/vmx_tests.c:2380: Expectation failed: (expected_qual) == (qual)
 LHS: 0x000000000000008b - 0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'1000'1011 - 139
 RHS: 0x000000000000008a - 0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'1000'1010 - 138
 STACK: 40f328 40f8fb 40fb0b 40ffa8 401577 4039d0 400312

Test suite: ept_access_test_paddr_read_only_ad_enabled
Host skipping test: EPT AD bits not supported.

Test suite: ept_access_test_paddr_read_write

Test suite: ept_access_test_paddr_read_write_execute

Test suite: ept_access_test_paddr_read_execute_ad_disabled
EPT_VLT_RD expected
FAIL: x86/vmx_tests.c:2380: Expectation failed: (expected_qual) == (qual)
 LHS: 0x00000000000000ab - 0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'1010'1011 - 171
 RHS: 0x00000000000000aa - 0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'1010'1010 - 170
 STACK: 40f328 40f8fb 40fb0b 40fde3 401577 4039d0 400312
EPT_VLT_RD expected
FAIL: x86/vmx_tests.c:2380: Expectation failed: (expected_qual) == (qual)
 LHS: 0x00000000000000ab - 0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'1010'1011 - 171
 RHS: 0x00000000000000aa - 0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'1010'1010 - 170
 STACK: 40f328 40f8fb 40fb0b 40fdfc 401577 4039d0 400312
EPT_VLT_RD expected
FAIL: x86/vmx_tests.c:2380: Expectation failed: (expected_qual) == (qual)
 LHS: 0x00000000000000ab - 0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'1010'1011 - 171
 RHS: 0x00000000000000aa - 0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'1010'1010 - 170
 STACK: 40f328 40f8fb 40fb0b 40fe15 401577 4039d0 400312
EPT_VLT_RD expected
FAIL: x86/vmx_tests.c:2380: Expectation failed: (expected_qual) == (qual)
 LHS: 0x00000000000000ab - 0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'1010'1011 - 171
 RHS: 0x00000000000000aa - 0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'1010'1010 - 170
 STACK: 40f328 40f8fb 40fb0b 40fe42 401577 4039d0 400312

Test suite: ept_access_test_paddr_read_execute_ad_enabled
Host skipping test: EPT AD bits not supported.

Test suite: ept_access_test_paddr_not_present_page_fault

Test suite: ept_access_test_force_2m_page
SUMMARY: 7822 tests, 8 unexpected failures

Revision history for this message
Sean Feole (sfeole) wrote :

Affected instances:
Standard_D2s_v3
Standard_D2_v3
Standard_DC2s
Standard_E2s_v3
Standard_F2s_v2

Revision history for this message
Sean Feole (sfeole) wrote :

also affects bionic, linux-azure 4.18.0-1015.15~18.04.1

tags: added: bionic
Revision history for this message
Sean Feole (sfeole) wrote :

also affects disco, linux-azure 5.0.0-1005.5

  04/26 18:31:44 DEBUG| utils:0153| [stdout] FAIL ept (7822 tests, 8 unexpected failures)
90. 04/26 18:31:44 DEBUG| utils:0153| [stdout] TESTNAME=vmx_eoi_bitmap_ioapic_scan TIMEOUT=90s ACCEL= ./x86/run x86/vmx.flat -smp 2 -cpu host,+vmx -m 2048 -append vmx_eoi_bitmap_ioapic_scan_test

Revision history for this message
Po-Hsu Lin (cypressyew) wrote :

Found on B-4.15 Oracle, instance VM.DenseIO2.16
TESTNAME=ept TIMEOUT=90s ACCEL= ./x86/run x86/vmx.flat -smp 1 -cpu host,host-phys-bits,+vmx -m 2560 -append "ept_access*"
FAIL ept (8489 tests, 5 unexpected failures)

Po-Hsu Lin (cypressyew)
no longer affects: ubuntu-kernel-tests
tags: added: 5.0 disco sru-20190701 ubuntu-kvm-unit-tests
Sean Feole (sfeole)
tags: added: sru-20190722
Sean Feole (sfeole)
tags: added: 5.3
tags: added: eoan
tags: added: sru-20191021
Revision history for this message
Sean Feole (sfeole) wrote :
Download full text (6.6 KiB)

Also failing in the Eoan/5.3 kernel.

0/25 13:47:47 DEBUG| utils:0153| [stdout]
10/25 13:47:47 DEBUG| utils:0153| [stdout] Test suite: ept_access_test_paddr_not_present_ad_enabled
10/25 13:47:47 DEBUG| utils:0153| [stdout] Host skipping test: EPT AD bits not supported.
10/25 13:47:47 DEBUG| utils:0153| [stdout]
10/25 13:47:47 DEBUG| utils:0153| [stdout] Test suite: ept_access_test_paddr_read_only_ad_disabled
10/25 13:47:47 DEBUG| utils:0153| [stdout] EPT_VLT_RD expected
10/25 13:47:47 DEBUG| utils:0153| [stdout] FAIL: x86/vmx_tests.c:2380: Expectation failed: (expected_qual) == (qual)
10/25 13:47:47 DEBUG| utils:0153| [stdout] LHS: 0x000000000000008b - 0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'1000'1011 - 139
10/25 13:47:47 DEBUG| utils:0153| [stdout] RHS: 0x000000000000008a - 0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'1000'1010 - 138
10/25 13:47:47 DEBUG| utils:0153| [stdout] STACK: 40f541 40fb19 40fd29 410187 4015e9 403a95 400312
10/25 13:47:47 DEBUG| utils:0153| [stdout] EPT_VLT_RD expected
10/25 13:47:47 DEBUG| utils:0153| [stdout] FAIL: x86/vmx_tests.c:2380: Expectation failed: (expected_qual) == (qual)
10/25 13:47:47 DEBUG| utils:0153| [stdout] LHS: 0x000000000000008b - 0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'1000'1011 - 139
10/25 13:47:47 DEBUG| utils:0153| [stdout] RHS: 0x000000000000008a - 0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'1000'1010 - 138
10/25 13:47:47 DEBUG| utils:0153| [stdout] STACK: 40f541 40fb19 40fd29 4101a0 4015e9 403a95 400312
10/25 13:47:47 DEBUG| utils:0153| [stdout] EPT_VLT_RD expected
10/25 13:47:47 DEBUG| utils:0153| [stdout] FAIL: x86/vmx_tests.c:2380: Expectation failed: (expected_qual) == (qual)
10/25 13:47:47 DEBUG| utils:0153| [stdout] LHS: 0x000000000000008b - 0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'1000'1011 - 139
10/25 13:47:47 DEBUG| utils:0153| [stdout] RHS: 0x000000000000008a - 0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'1000'1010 - 138
10/25 13:47:47 DEBUG| utils:0153| [stdout] STACK: 40f541 40fb19 40fd29 4101b9 4015e9 403a95 400312
10/25 13:47:47 DEBUG| utils:0153| [stdout] EPT_VLT_RD expected
10/25 13:47:47 DEBUG| utils:0153| [stdout] FAIL: x86/vmx_tests.c:2380: Expectation failed: (expected_qual) == (qual)
10/25 13:47:47 DEBUG| utils:0153| [stdout] LHS: 0x000000000000008b - 0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'1000'1011 - 139
10/25 13:47:47 DEBUG| utils:0153| [stdout] RHS: 0x000000000000008a - 0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'1000'1010 - 138
10/25 13:47:47 DEBUG| utils:0153| [stdout] STACK: 40f541 40fb19 40fd29 4101e6 4015e9 403a95 400312
10/25 13:47:47 DEBUG| utils:0153| [stdout]
10/25 13:47:47 DEBUG| utils:0153| [stdout] Test suite: ept_access_test_paddr_read_only_ad_enabled
10/25 13:47:47 DEBUG| utils:0153| [stdout] Host skipping test: EPT AD bits not supported.
10/25 13:47:47 DEBUG| utils:0153| [stdout]
10/25 13:47:47 DEBUG| ...

Read more...

Revision history for this message
Po-Hsu Lin (cypressyew) wrote :

Passed with Oracle B-4.15 (node VM.DenseIO1.8 / VM.Standard1.4)

Revision history for this message
Po-Hsu Lin (cypressyew) wrote :

Failed on Oracle B-5.0 (node VM.DenseIO1.8 / VM.Standard1.4)

Sultan Alsawaf (kerneltoast)
tags: added: sru-20191202
Po-Hsu Lin (cypressyew)
tags: added: sru-20200127
tags: added: oracle
Po-Hsu Lin (cypressyew)
tags: added: sru-20200316
Revision history for this message
Po-Hsu Lin (cypressyew) wrote :

Found on Oracle Bionic 5.3
5.3.0-1015.16~18.04.1

tags: added: sru-20200406
Steve Langasek (vorlon)
Changed in linux-azure (Ubuntu Disco):
status: New → Won't Fix
Changed in linux-kvm (Ubuntu Disco):
status: New → Won't Fix
Changed in linux-oracle (Ubuntu Disco):
status: New → Won't Fix
Revision history for this message
Kelsey Steele (kelsey-steele) wrote :

Spotted on Focal azure : 5.4.0-1029.29 : amd64

tags: added: 5.4 focal sr
Revision history for this message
Kelsey Steele (kelsey-steele) wrote :

Apologies, the above was on Bionic, not Focal. Spotted on Bionic azure : 5.4.0-1029.29~18.04.1 : amd64

Removing the Focal tag

tags: removed: 5.4 focal
Kelsey Steele (kelsey-steele)
tags: added: 4.15 sru-20200921
Revision history for this message
Kelsey Steele (kelsey-steele) wrote :

Failed on Bionic/oracle : 5.4.0-1026.26~18.04.1 : amd64

tags: added: 5.4
Kelsey Steele (kelsey-steele)
tags: added: sru-20210104
Revision history for this message
Krzysztof Kozlowski (krzk) wrote :

Very similar failures found on bionic/azure-5.4 5.4.0-1056.58~18.04.1 (and previous cycle 5.4.0-1054.56~18.04.1)

tags: added: sru-20210719
Revision history for this message
Po-Hsu Lin (cypressyew) wrote :

Spotted on F-azure-5.8.0-1041.44~20.04.1:
 FAIL: x86/vmx_tests.c:2509: Expectation failed: (expected_qual) == (qual)
 FAIL: x86/vmx_tests.c:2509: Expectation failed: (expected_qual) == (qual)
 FAIL: x86/vmx_tests.c:2509: Expectation failed: (expected_qual) == (qual)
 FAIL: x86/vmx_tests.c:2509: Expectation failed: (expected_qual) == (qual)
 FAIL: x86/vmx_tests.c:2509: Expectation failed: (expected_qual) == (qual)
 FAIL: x86/vmx_tests.c:2509: Expectation failed: (expected_qual) == (qual)
 FAIL: x86/vmx_tests.c:2306: Assertion failed: (expected) == (actual)
 FAIL: x86/vmx_tests.c:2509: Expectation failed: (expected_qual) == (qual)
 FAIL: x86/vmx_tests.c:2509: Expectation failed: (expected_qual) == (qual)
 FAIL: x86/vmx_tests.c:2509: Expectation failed: (expected_qual) == (qual)
 FAIL: x86/vmx_tests.c:2306: Assertion failed: (expected) == (actual)
 FAIL ept (7271 tests, 11 unexpected failures)

tags: added: sru-20210816
Po-Hsu Lin (cypressyew)
tags: removed: sr
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