WARNING at arch/x86/events/intel/core.c:4364 intel_pmu_init

Solution Verified - Updated -

Issue

  • WARNING at arch/x86/events/intel/core.c:4364 intel_pmu_init
[    0.045000] ------------[ cut here ]------------
[    0.045000] hw perf events fixed 4 > max(3), clipping!
[    0.045000] WARNING: CPU: 0 PID: 1 at arch/x86/events/intel/core.c:4364 intel_pmu_init+0x10ad/0x129f
...
...
[    0.045000] Call Trace:
[    0.045000]  ? printk+0x58/0x6f
[    0.045000]  ? merge_attr+0x98/0x98
[    0.045000]  init_hw_perf_events+0x4b/0x5de
[    0.045000]  ? merge_attr+0x98/0x98
[    0.045000]  do_one_initcall+0x46/0x1c3
[    0.045000]  ? proc_register+0xc5/0x120
[    0.045000]  kernel_init_freeable+0xf6/0x258
[    0.045000]  ? rest_init+0xaa/0xaa
[    0.045000]  kernel_init+0xa/0x106
[    0.045000]  ret_from_fork+0x1f/0x40
[    0.045000] ---[ end trace 04945460b2d34bdd ]---

Environment

  • Red Hat Enterprise Linux 8
  • kernel-core

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