canonical-ubuntu-qa team mailing list archive

[Jürg Häfliger <1830151@xxxxxxxxxxxxxxxxxx>]

** Tags added: kernel-daily-bug

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https://bugs.launchpad.net/bugs/1830151

Title:
  ebb: cycles_test in powerpc from ubuntu_kernel_selftests failed on
  B-hwe P9

Status in ubuntu-kernel-tests:
  Fix Released
Status in linux package in Ubuntu:
  Fix Released

Bug description:
  This test has passed with Cosmic kernel on the same node ("baltar"),
  but not with the 4.18 kernel on Bionic.

   selftests: ebb: cycles_test
   ========================================
   test: cycles
   tags: git_version:unknown
   EBB Handler is at 0x10004170
   ebb_state:
   ebb_count = 10
   spurious = 0
   negative = 0
   no_overflow = 0
   pmc[1] count = 0x28000043f
   pmc[2] count = 0x0
   pmc[3] count = 0x0
   pmc[4] count = 0x0
   pmc[5] count = 0x0
   pmc[6] count = 0x0
   HW state:
   MMCR0 0x0000000084000000 FC PMAE
   MMCR2 0x0000000000000000
   EBBHR 0x0000000010004170
   BESCR 0x8000000000000000 GE
   PMC1 0x0000000040000000
   PMC2 0x0000000000000000
   PMC3 0x0000000000000000
   PMC4 0x0000000000000000
   PMC5 0x0000000000028b3f
   PMC6 0x000000000002ac80
   SIAR 0x00000000100035d4
   Trace buffer dump:
   address 0x71a628a20000
   tail 0x71a628a201f6
   size 1048576
   overflow false
   Content:
   [0]: counter = 1
   [1]: register SPRN_MMCR0 = 0x0000000080000080
   [2]: register SPRN_PMC1 = 0x0000000080000004
   [3]: counter = 2
   [4]: register SPRN_MMCR0 = 0x0000000080000080
   [5]: register SPRN_PMC1 = 0x0000000080000004
   [6]: counter = 3
   [7]: register SPRN_MMCR0 = 0x0000000080000080
   [8]: register SPRN_PMC1 = 0x0000000080000004
   [FAIL] Test FAILED on line 52
   [9]: counter = 4
   [10]: register SPRN_MMCR0 = 0x0000000080000080
   [11]: register SPRN_PMC1 = 0x0000000080000004
   [12]: counter = 5
   [13]: register SPRN_MMCR0 = 0x0000000080000080
   [14]: register SPRN_PMC1 = 0x0000000080000004
   [15]: counter = 6
   [16]: register SPRN_MMCR0 = 0x0000000080000080
   [17]: register SPRN_PMC1 = 0x0000000080000004
   [18]: counter = 7
   [19]: register SPRN_MMCR0 = 0x0000000080000080
   [20]: register SPRN_PMC1 = 0x0000000080000004
   [21]: counter = 8
   [22]: register SPRN_MMCR0 = 0x0000000080000080
   [23]: register SPRN_PMC1 = 0x0000000080000004
   [24]: counter = 9
   [25]: register SPRN_MMCR0 = 0x0000000080000080
   [26]: register SPRN_PMC1 = 0x0000000080000004
   [27]: counter = 10
   [28]: register SPRN_MMCR0 = 0x0000000080000080
   [29]: register SPRN_PMC1 = 0x0000000080000004
   [30]: register SPRN_PMC1 = 0x0000000040000417
   PMC1 count (0x28000043f) above upper limit 0x2800003e8 (+0x57)
   failure: cycles
   not ok 1..3 selftests: ebb: cycles_test [FAIL]

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