pmc56_overflow_test from powerpc in ubuntu_kernel_selftests failed on F/H
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
ubuntu-kernel-tests |
New
|
Undecided
|
Unassigned |
Bug Description
Issue found on Power8 node "modoc" with 5.4.0-44.48
# selftests: powerpc/pmu/ebb: pmc56_overflow_test
# test: pmc56_overflow
# tags: git_version:unknown
# [FAIL] Test FAILED on line 87
# EBB Handler is at 0x10004c40
# ebb_state:
# ebb_count = 10
# spurious = 0
# negative = 0
# no_overflow = 0
# pmc[1] count = 0x0
# pmc[2] count = 0x2800001e1
# pmc[3] count = 0x0
# pmc[4] count = 0x0
# pmc[5] count = 0x109c8d025
# pmc[6] count = 0xa2154274
# HW state:
# MMCR0 0x0000000084000000 FC PMAE
# MMCR2 0x0000000000000000
# EBBHR 0x0000000010004c40
# BESCR 0x8000000000000000 GE
# PMC1 0x0000000000000000
# PMC2 0x0000000040000000
# PMC3 0x0000000000000000
# PMC4 0x0000000000000000
# PMC5 0x0000000000000000
# PMC6 0x0000000000000000
# SIAR 0x0000000010004020
# Trace buffer dump:
# address 0x76f9c1c50000
# tail 0x76f9c1c50246
# size 1048576
# overflow false
# Content:
# [0]: register SPRN_PMC2 = 0x0000000080000003
# [1]: register SPRN_PMC5 = 0x0000000000000000
# [2]: register SPRN_PMC6 = 0x0000000000000000
# [3]: register SPRN_PMC2 = 0x0000000080000003
# [4]: register SPRN_PMC5 = 0x00000000f7f65361
# [5]: register SPRN_PMC6 = 0x000000003506baf9
# [6]: register SPRN_PMC2 = 0x0000000080000003
# [7]: register SPRN_PMC5 = 0x0000000011d27cc4
# [8]: register SPRN_PMC6 = 0x000000006d0e877b
# [9]: register SPRN_PMC2 = 0x0000000080000003
# [10]: register SPRN_PMC5 = 0x0000000000000000
# [11]: register SPRN_PMC6 = 0x0000000000000000
# [12]: register SPRN_PMC2 = 0x0000000080000003
# [13]: register SPRN_PMC5 = 0x0000000000000000
# [14]: register SPRN_PMC6 = 0x0000000000000000
# [15]: register SPRN_PMC2 = 0x0000000080000003
# [16]: register SPRN_PMC5 = 0x0000000000000000
# [17]: register SPRN_PMC6 = 0x0000000000000000
# [18]: register SPRN_PMC2 = 0x0000000080000003
# [19]: register SPRN_PMC5 = 0x0000000000000000
# [20]: register SPRN_PMC6 = 0x0000000000000000
# [21]: register SPRN_PMC2 = 0x0000000080000003
# [22]: register SPRN_PMC5 = 0x0000000000000000
# [23]: register SPRN_PMC6 = 0x0000000000000000
# [24]: register SPRN_PMC2 = 0x0000000080000003
# [25]: register SPRN_PMC5 = 0x0000000000000000
# [26]: register SPRN_PMC6 = 0x0000000000000000
# [27]: register SPRN_PMC2 = 0x0000000080000003
# [28]: register SPRN_PMC5 = 0x0000000000000000
# [29]: register SPRN_PMC6 = 0x0000000000000000
# [30]: register SPRN_PMC2 = 0x00000000400001c3
# PMC5/6 overflow 1
# failure: pmc56_overflow
not ok 5 selftests: powerpc/pmu/ebb: pmc56_overflow_test # exit=1
tags: | added: kqa sru-20200810 |
tags: |
added: 5.4 focal kqa-blocker ubuntu-kernel-selftests removed: kqa |
This can be found on 5.4.0-49.53 as well (passed with 5.4.0-48.52, probably not very stable)