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[Po-Hsu Lin <2072167@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

Issue found on openstack AMD64 with Noble OEM 6.8.0-1006.6

This issue is hardware specific, sometime it will pass on the openstack
AMD64 VM because the hardware is different.

With a newer kernel the behaviour is a bit different than bug 2002643, failed sub-tests are:
 FAIL: AMD: instructions-5
 FAIL: AMD: all counters
 FAIL: AMD: overflow: cntr-0
 FAIL: AMD: overflow: cntr-1
 FAIL: AMD: overflow: cntr-2
 FAIL: AMD: overflow: cntr-3
 FAIL: AMD: overflow: cntr-4
 FAIL: AMD: overflow: cntr-5
 FAIL: AMD: K7: overflow: cntr-0
 FAIL: AMD: K7: overflow: cntr-1
 FAIL: AMD: K7: overflow: cntr-2
 FAIL: AMD: K7: overflow: cntr-3
 FAIL pmu (77 tests, 12 unexpected failures, 10 skipped)

Test log:
 Running '/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/tests/pmu'
 BUILD_HEAD=b04954c9
 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.cDwMu5PlTd -smp 1 -cpu max # -initrd /tmp/tmp.FiwIUBEb7A
 enabling apic
 smp: waiting for 0 APs
 paging enabled
 cr0 = 80010011
 cr3 = 1007000
 cr4 = 20
 PASS: Expected #GP on RDPMC(64)
 PMU version:         0
 GP counters:         6
 GP counter width:    48
 Mask length:         6
 Fixed counters:      0
 Fixed counter width: 0
 PASS: AMD: core cycles-0
 PASS: AMD: core cycles-1
 PASS: AMD: core cycles-2
 PASS: AMD: core cycles-3
 PASS: AMD: core cycles-4
 PASS: AMD: core cycles-5
 PASS: AMD: instructions-0
 PASS: AMD: instructions-1
 PASS: AMD: instructions-2
 PASS: AMD: instructions-3
 PASS: AMD: instructions-4
 FAIL: AMD: instructions-5
 PASS: AMD: branches-0
 PASS: AMD: branches-1
 PASS: AMD: branches-2
 PASS: AMD: branches-3
 PASS: AMD: branches-4
 PASS: AMD: branches-5
 PASS: AMD: branch misses-0
 PASS: AMD: branch misses-1
 PASS: AMD: branch misses-2
 PASS: AMD: branch misses-3
 PASS: AMD: branch misses-4
 PASS: AMD: branch misses-5
 PASS: AMD: rdpmc: cntr-0
 SKIP: AMD: rdpmc: fast-0
 PASS: AMD: rdpmc: cntr-1
 SKIP: AMD: rdpmc: fast-1
 PASS: AMD: rdpmc: cntr-2
 SKIP: AMD: rdpmc: fast-2
 PASS: AMD: rdpmc: cntr-3
 SKIP: AMD: rdpmc: fast-3
 PASS: AMD: rdpmc: cntr-4
 SKIP: AMD: rdpmc: fast-4
 PASS: AMD: rdpmc: cntr-5
 SKIP: AMD: rdpmc: fast-5
 FAIL: AMD: all counters
 FAIL: AMD: overflow: cntr-0
 FAIL: AMD: overflow: cntr-1
 FAIL: AMD: overflow: cntr-2
 FAIL: AMD: overflow: cntr-3
 FAIL: AMD: overflow: cntr-4
 FAIL: AMD: overflow: cntr-5
 PASS: AMD: cmask
 PASS: AMD: running counter wrmsr: cntr
 PASS: AMD: K7: core cycles-0
 PASS: AMD: K7: core cycles-1
 PASS: AMD: K7: core cycles-2
 PASS: AMD: K7: core cycles-3
 PASS: AMD: K7: instructions-0
 PASS: AMD: K7: instructions-1
 PASS: AMD: K7: instructions-2
 PASS: AMD: K7: instructions-3
 PASS: AMD: K7: branches-0
 PASS: AMD: K7: branches-1
 PASS: AMD: K7: branches-2
 PASS: AMD: K7: branches-3
 PASS: AMD: K7: branch misses-0
 PASS: AMD: K7: branch misses-1
 PASS: AMD: K7: branch misses-2
 PASS: AMD: K7: branch misses-3
 PASS: AMD: K7: rdpmc: cntr-0
 SKIP: AMD: K7: rdpmc: fast-0
 PASS: AMD: K7: rdpmc: cntr-1
 SKIP: AMD: K7: rdpmc: fast-1
 PASS: AMD: K7: rdpmc: cntr-2
 SKIP: AMD: K7: rdpmc: fast-2
 PASS: AMD: K7: rdpmc: cntr-3
 SKIP: AMD: K7: rdpmc: fast-3
 PASS: AMD: K7: all counters
 FAIL: AMD: K7: overflow: cntr-0
 FAIL: AMD: K7: overflow: cntr-1
 FAIL: AMD: K7: overflow: cntr-2
 FAIL: AMD: K7: overflow: cntr-3
 PASS: AMD: K7: cmask
 PASS: AMD: K7: running counter wrmsr: cntr
 SUMMARY: 77 tests, 12 unexpected failures, 10 skipped
 FAIL pmu (77 tests, 12 unexpected failures, 10 skipped)

** Affects: ubuntu-kernel-tests
     Importance: Undecided
         Status: New


** Tags: 6.8 noble oem sru-20240429 sru-20240610 ubuntu-kvm-unit-tests

** Description changed:

- Issue found on openstack AMD64 with 6.8.0-1006.6
+ Issue found on openstack AMD64 with Noble OEM 6.8.0-1006.6
  
  This issue is hardware specific, sometime it will pass on the openstack
  AMD64 VM because the hardware is different.
  
- With a newer kernel the behaviour is a bit different than bug 2002643, failed sub-tests are: 
-  FAIL: AMD: instructions-5
-  FAIL: AMD: all counters
-  FAIL: AMD: overflow: cntr-0
-  FAIL: AMD: overflow: cntr-1
-  FAIL: AMD: overflow: cntr-2
-  FAIL: AMD: overflow: cntr-3
-  FAIL: AMD: overflow: cntr-4
-  FAIL: AMD: overflow: cntr-5
-  FAIL: AMD: K7: overflow: cntr-0
-  FAIL: AMD: K7: overflow: cntr-1
-  FAIL: AMD: K7: overflow: cntr-2
-  FAIL: AMD: K7: overflow: cntr-3
-  FAIL pmu (77 tests, 12 unexpected failures, 10 skipped)
+ With a newer kernel the behaviour is a bit different than bug 2002643, failed sub-tests are:
+  FAIL: AMD: instructions-5
+  FAIL: AMD: all counters
+  FAIL: AMD: overflow: cntr-0
+  FAIL: AMD: overflow: cntr-1
+  FAIL: AMD: overflow: cntr-2
+  FAIL: AMD: overflow: cntr-3
+  FAIL: AMD: overflow: cntr-4
+  FAIL: AMD: overflow: cntr-5
+  FAIL: AMD: K7: overflow: cntr-0
+  FAIL: AMD: K7: overflow: cntr-1
+  FAIL: AMD: K7: overflow: cntr-2
+  FAIL: AMD: K7: overflow: cntr-3
+  FAIL pmu (77 tests, 12 unexpected failures, 10 skipped)
  
  Test log:
-  Running '/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/tests/pmu'
-  BUILD_HEAD=b04954c9
-  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.cDwMu5PlTd -smp 1 -cpu max # -initrd /tmp/tmp.FiwIUBEb7A
-  enabling apic
-  smp: waiting for 0 APs
-  paging enabled
-  cr0 = 80010011
-  cr3 = 1007000
-  cr4 = 20
-  PASS: Expected #GP on RDPMC(64)
-  PMU version:         0
-  GP counters:         6
-  GP counter width:    48
-  Mask length:         6
-  Fixed counters:      0
-  Fixed counter width: 0
-  PASS: AMD: core cycles-0
-  PASS: AMD: core cycles-1
-  PASS: AMD: core cycles-2
-  PASS: AMD: core cycles-3
-  PASS: AMD: core cycles-4
-  PASS: AMD: core cycles-5
-  PASS: AMD: instructions-0
-  PASS: AMD: instructions-1
-  PASS: AMD: instructions-2
-  PASS: AMD: instructions-3
-  PASS: AMD: instructions-4
-  FAIL: AMD: instructions-5
-  PASS: AMD: branches-0
-  PASS: AMD: branches-1
-  PASS: AMD: branches-2
-  PASS: AMD: branches-3
-  PASS: AMD: branches-4
-  PASS: AMD: branches-5
-  PASS: AMD: branch misses-0
-  PASS: AMD: branch misses-1
-  PASS: AMD: branch misses-2
-  PASS: AMD: branch misses-3
-  PASS: AMD: branch misses-4
-  PASS: AMD: branch misses-5
-  PASS: AMD: rdpmc: cntr-0
-  SKIP: AMD: rdpmc: fast-0
-  PASS: AMD: rdpmc: cntr-1
-  SKIP: AMD: rdpmc: fast-1
-  PASS: AMD: rdpmc: cntr-2
-  SKIP: AMD: rdpmc: fast-2
-  PASS: AMD: rdpmc: cntr-3
-  SKIP: AMD: rdpmc: fast-3
-  PASS: AMD: rdpmc: cntr-4
-  SKIP: AMD: rdpmc: fast-4
-  PASS: AMD: rdpmc: cntr-5
-  SKIP: AMD: rdpmc: fast-5
-  FAIL: AMD: all counters
-  FAIL: AMD: overflow: cntr-0
-  FAIL: AMD: overflow: cntr-1
-  FAIL: AMD: overflow: cntr-2
-  FAIL: AMD: overflow: cntr-3
-  FAIL: AMD: overflow: cntr-4
-  FAIL: AMD: overflow: cntr-5
-  PASS: AMD: cmask
-  PASS: AMD: running counter wrmsr: cntr
-  PASS: AMD: K7: core cycles-0
-  PASS: AMD: K7: core cycles-1
-  PASS: AMD: K7: core cycles-2
-  PASS: AMD: K7: core cycles-3
-  PASS: AMD: K7: instructions-0
-  PASS: AMD: K7: instructions-1
-  PASS: AMD: K7: instructions-2
-  PASS: AMD: K7: instructions-3
-  PASS: AMD: K7: branches-0
-  PASS: AMD: K7: branches-1
-  PASS: AMD: K7: branches-2
-  PASS: AMD: K7: branches-3
-  PASS: AMD: K7: branch misses-0
-  PASS: AMD: K7: branch misses-1
-  PASS: AMD: K7: branch misses-2
-  PASS: AMD: K7: branch misses-3
-  PASS: AMD: K7: rdpmc: cntr-0
-  SKIP: AMD: K7: rdpmc: fast-0
-  PASS: AMD: K7: rdpmc: cntr-1
-  SKIP: AMD: K7: rdpmc: fast-1
-  PASS: AMD: K7: rdpmc: cntr-2
-  SKIP: AMD: K7: rdpmc: fast-2
-  PASS: AMD: K7: rdpmc: cntr-3
-  SKIP: AMD: K7: rdpmc: fast-3
-  PASS: AMD: K7: all counters
-  FAIL: AMD: K7: overflow: cntr-0
-  FAIL: AMD: K7: overflow: cntr-1
-  FAIL: AMD: K7: overflow: cntr-2
-  FAIL: AMD: K7: overflow: cntr-3
-  PASS: AMD: K7: cmask
-  PASS: AMD: K7: running counter wrmsr: cntr
-  SUMMARY: 77 tests, 12 unexpected failures, 10 skipped
-  FAIL pmu (77 tests, 12 unexpected failures, 10 skipped)
+  Running '/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/tests/pmu'
+  BUILD_HEAD=b04954c9
+  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.cDwMu5PlTd -smp 1 -cpu max # -initrd /tmp/tmp.FiwIUBEb7A
+  enabling apic
+  smp: waiting for 0 APs
+  paging enabled
+  cr0 = 80010011
+  cr3 = 1007000
+  cr4 = 20
+  PASS: Expected #GP on RDPMC(64)
+  PMU version:         0
+  GP counters:         6
+  GP counter width:    48
+  Mask length:         6
+  Fixed counters:      0
+  Fixed counter width: 0
+  PASS: AMD: core cycles-0
+  PASS: AMD: core cycles-1
+  PASS: AMD: core cycles-2
+  PASS: AMD: core cycles-3
+  PASS: AMD: core cycles-4
+  PASS: AMD: core cycles-5
+  PASS: AMD: instructions-0
+  PASS: AMD: instructions-1
+  PASS: AMD: instructions-2
+  PASS: AMD: instructions-3
+  PASS: AMD: instructions-4
+  FAIL: AMD: instructions-5
+  PASS: AMD: branches-0
+  PASS: AMD: branches-1
+  PASS: AMD: branches-2
+  PASS: AMD: branches-3
+  PASS: AMD: branches-4
+  PASS: AMD: branches-5
+  PASS: AMD: branch misses-0
+  PASS: AMD: branch misses-1
+  PASS: AMD: branch misses-2
+  PASS: AMD: branch misses-3
+  PASS: AMD: branch misses-4
+  PASS: AMD: branch misses-5
+  PASS: AMD: rdpmc: cntr-0
+  SKIP: AMD: rdpmc: fast-0
+  PASS: AMD: rdpmc: cntr-1
+  SKIP: AMD: rdpmc: fast-1
+  PASS: AMD: rdpmc: cntr-2
+  SKIP: AMD: rdpmc: fast-2
+  PASS: AMD: rdpmc: cntr-3
+  SKIP: AMD: rdpmc: fast-3
+  PASS: AMD: rdpmc: cntr-4
+  SKIP: AMD: rdpmc: fast-4
+  PASS: AMD: rdpmc: cntr-5
+  SKIP: AMD: rdpmc: fast-5
+  FAIL: AMD: all counters
+  FAIL: AMD: overflow: cntr-0
+  FAIL: AMD: overflow: cntr-1
+  FAIL: AMD: overflow: cntr-2
+  FAIL: AMD: overflow: cntr-3
+  FAIL: AMD: overflow: cntr-4
+  FAIL: AMD: overflow: cntr-5
+  PASS: AMD: cmask
+  PASS: AMD: running counter wrmsr: cntr
+  PASS: AMD: K7: core cycles-0
+  PASS: AMD: K7: core cycles-1
+  PASS: AMD: K7: core cycles-2
+  PASS: AMD: K7: core cycles-3
+  PASS: AMD: K7: instructions-0
+  PASS: AMD: K7: instructions-1
+  PASS: AMD: K7: instructions-2
+  PASS: AMD: K7: instructions-3
+  PASS: AMD: K7: branches-0
+  PASS: AMD: K7: branches-1
+  PASS: AMD: K7: branches-2
+  PASS: AMD: K7: branches-3
+  PASS: AMD: K7: branch misses-0
+  PASS: AMD: K7: branch misses-1
+  PASS: AMD: K7: branch misses-2
+  PASS: AMD: K7: branch misses-3
+  PASS: AMD: K7: rdpmc: cntr-0
+  SKIP: AMD: K7: rdpmc: fast-0
+  PASS: AMD: K7: rdpmc: cntr-1
+  SKIP: AMD: K7: rdpmc: fast-1
+  PASS: AMD: K7: rdpmc: cntr-2
+  SKIP: AMD: K7: rdpmc: fast-2
+  PASS: AMD: K7: rdpmc: cntr-3
+  SKIP: AMD: K7: rdpmc: fast-3
+  PASS: AMD: K7: all counters
+  FAIL: AMD: K7: overflow: cntr-0
+  FAIL: AMD: K7: overflow: cntr-1
+  FAIL: AMD: K7: overflow: cntr-2
+  FAIL: AMD: K7: overflow: cntr-3
+  PASS: AMD: K7: cmask
+  PASS: AMD: K7: running counter wrmsr: cntr
+  SUMMARY: 77 tests, 12 unexpected failures, 10 skipped
+  FAIL pmu (77 tests, 12 unexpected failures, 10 skipped)

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https://bugs.launchpad.net/bugs/2072167

Title:
  pmu test from ubuntu_kvm_unit_tests failed with N-6.8 openstack

Status in ubuntu-kernel-tests:
  New

Bug description:
  Issue found on openstack AMD64 with Noble OEM 6.8.0-1006.6

  This issue is hardware specific, sometime it will pass on the
  openstack AMD64 VM because the hardware is different.

  With a newer kernel the behaviour is a bit different than bug 2002643, failed sub-tests are:
   FAIL: AMD: instructions-5
   FAIL: AMD: all counters
   FAIL: AMD: overflow: cntr-0
   FAIL: AMD: overflow: cntr-1
   FAIL: AMD: overflow: cntr-2
   FAIL: AMD: overflow: cntr-3
   FAIL: AMD: overflow: cntr-4
   FAIL: AMD: overflow: cntr-5
   FAIL: AMD: K7: overflow: cntr-0
   FAIL: AMD: K7: overflow: cntr-1
   FAIL: AMD: K7: overflow: cntr-2
   FAIL: AMD: K7: overflow: cntr-3
   FAIL pmu (77 tests, 12 unexpected failures, 10 skipped)

  Test log:
   Running '/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/tests/pmu'
   BUILD_HEAD=b04954c9
   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.cDwMu5PlTd -smp 1 -cpu max # -initrd /tmp/tmp.FiwIUBEb7A
   enabling apic
   smp: waiting for 0 APs
   paging enabled
   cr0 = 80010011
   cr3 = 1007000
   cr4 = 20
   PASS: Expected #GP on RDPMC(64)
   PMU version:         0
   GP counters:         6
   GP counter width:    48
   Mask length:         6
   Fixed counters:      0
   Fixed counter width: 0
   PASS: AMD: core cycles-0
   PASS: AMD: core cycles-1
   PASS: AMD: core cycles-2
   PASS: AMD: core cycles-3
   PASS: AMD: core cycles-4
   PASS: AMD: core cycles-5
   PASS: AMD: instructions-0
   PASS: AMD: instructions-1
   PASS: AMD: instructions-2
   PASS: AMD: instructions-3
   PASS: AMD: instructions-4
   FAIL: AMD: instructions-5
   PASS: AMD: branches-0
   PASS: AMD: branches-1
   PASS: AMD: branches-2
   PASS: AMD: branches-3
   PASS: AMD: branches-4
   PASS: AMD: branches-5
   PASS: AMD: branch misses-0
   PASS: AMD: branch misses-1
   PASS: AMD: branch misses-2
   PASS: AMD: branch misses-3
   PASS: AMD: branch misses-4
   PASS: AMD: branch misses-5
   PASS: AMD: rdpmc: cntr-0
   SKIP: AMD: rdpmc: fast-0
   PASS: AMD: rdpmc: cntr-1
   SKIP: AMD: rdpmc: fast-1
   PASS: AMD: rdpmc: cntr-2
   SKIP: AMD: rdpmc: fast-2
   PASS: AMD: rdpmc: cntr-3
   SKIP: AMD: rdpmc: fast-3
   PASS: AMD: rdpmc: cntr-4
   SKIP: AMD: rdpmc: fast-4
   PASS: AMD: rdpmc: cntr-5
   SKIP: AMD: rdpmc: fast-5
   FAIL: AMD: all counters
   FAIL: AMD: overflow: cntr-0
   FAIL: AMD: overflow: cntr-1
   FAIL: AMD: overflow: cntr-2
   FAIL: AMD: overflow: cntr-3
   FAIL: AMD: overflow: cntr-4
   FAIL: AMD: overflow: cntr-5
   PASS: AMD: cmask
   PASS: AMD: running counter wrmsr: cntr
   PASS: AMD: K7: core cycles-0
   PASS: AMD: K7: core cycles-1
   PASS: AMD: K7: core cycles-2
   PASS: AMD: K7: core cycles-3
   PASS: AMD: K7: instructions-0
   PASS: AMD: K7: instructions-1
   PASS: AMD: K7: instructions-2
   PASS: AMD: K7: instructions-3
   PASS: AMD: K7: branches-0
   PASS: AMD: K7: branches-1
   PASS: AMD: K7: branches-2
   PASS: AMD: K7: branches-3
   PASS: AMD: K7: branch misses-0
   PASS: AMD: K7: branch misses-1
   PASS: AMD: K7: branch misses-2
   PASS: AMD: K7: branch misses-3
   PASS: AMD: K7: rdpmc: cntr-0
   SKIP: AMD: K7: rdpmc: fast-0
   PASS: AMD: K7: rdpmc: cntr-1
   SKIP: AMD: K7: rdpmc: fast-1
   PASS: AMD: K7: rdpmc: cntr-2
   SKIP: AMD: K7: rdpmc: fast-2
   PASS: AMD: K7: rdpmc: cntr-3
   SKIP: AMD: K7: rdpmc: fast-3
   PASS: AMD: K7: all counters
   FAIL: AMD: K7: overflow: cntr-0
   FAIL: AMD: K7: overflow: cntr-1
   FAIL: AMD: K7: overflow: cntr-2
   FAIL: AMD: K7: overflow: cntr-3
   PASS: AMD: K7: cmask
   PASS: AMD: K7: running counter wrmsr: cntr
   SUMMARY: 77 tests, 12 unexpected failures, 10 skipped
   FAIL pmu (77 tests, 12 unexpected failures, 10 skipped)

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