Public bug reported:
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]
** Affects: ubuntu-kernel-tests
Importance: Undecided
Status: New
** Affects: linux-hwe (Ubuntu)
Importance: Undecided
Status: New
** Description changed:
- This test has passed with Cosmic kernel on the same node ("baltar")
+ 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]
+ 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]
** Also affects: ubuntu-kernel-tests
Importance: Undecided
Status: New
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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
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