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This change has been made by an automated script, maintained by the
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** Changed in: linux (Ubuntu)
Status: New => Incomplete
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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:
New
Status in linux package in Ubuntu:
Incomplete
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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