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[Magali Lemes do Sacramento <2002305@xxxxxxxxxxxxxxxxxx>]

Also found on j:aws version 5.15.0-1095.102 in the c6g.metal instance, which is being tested for the first time in the 2025.09.15 cycle.
However, one of the error messages now is
FAIL: pmu: pmu-overflow-interrupt: 32-bit overflows: expect overflow interrupt

instead of
FAIL: pmu: pmu-overflow-interrupt: expect overflow interrupt on 32b boundary

That is due to kvm-unit-tests commits 041df25b ("arm: pmu: Prepare for
testing 64-bit overflows") and 036369c5 ("arm: pmu: Add tests for 64-bit
overflows").

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https://bugs.launchpad.net/bugs/2002305

Title:
  pmu-overflow-interrupt from ubuntu_kvm_unit_tests failed on K-arm64

Status in ubuntu-kernel-tests:
  New

Bug description:
  Issue found with kvm-unit-test repo updated to e11a0e2f88 ("s390x: Fix
  integer literal in skey.c") upstream.

  Test failed with:
    * FAIL: pmu: pmu-overflow-interrupt: expect overflow interrupt on 32b boundary
    * FAIL: pmu: pmu-overflow-interrupt: expect overflow interrupt on even and odd counter

  Test log:
    Running '/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/tests/pmu-overflow-interrupt'
   BUILD_HEAD=48af4243
   timeout -k 1s --foreground 90s /usr/bin/qemu-system-aarch64 -nodefaults -machine virt,gic-version=host -accel kvm -cpu host -device virtio-serial-device -device virtconsole,chardev=ctd -chardev testdev,id=ctd -device pci-testdev -display none -serial stdio -kernel /tmp/tmp.unLVkupG6j -smp 1 -append pmu-overflow-interrupt # -initrd /tmp/tmp.DAJ0ZbmIdL
   INFO: PMU version: 0x1
   INFO: PMU implementer/ID code: 0x43("C")/0
   INFO: Implements 6 event counters
   PASS: pmu: pmu-overflow-interrupt: no overflow interrupt after preset
   PASS: pmu: pmu-overflow-interrupt: no overflow interrupt after counting
   INFO: pmu: pmu-overflow-interrupt: overflow=0x0
   PASS: pmu: pmu-overflow-interrupt: overflow interrupts expected on #0 and #1
   FAIL: pmu: pmu-overflow-interrupt: expect overflow interrupt on 32b boundary
   FAIL: pmu: pmu-overflow-interrupt: expect overflow interrupt on even and odd counter
   SUMMARY: 5 tests, 2 unexpected failures
   FAIL pmu-overflow-interrupt (5 tests, 2 unexpected failures)

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