Possible system crash when "perf record" with Trace_IMC event and "-p" option is used
Issue
When a Root user or a user with "CAP_SYS_ADMIN" privileges executes the "perf" command with the trace_imc performance monitoring unit event to monitor applications or KVM threads this execution may result in a checkstop (System crash) when using an IBM Power9 DD2.2 (and greater) with Firmware OP930 (and greater) and Red Hat Enterprise 8.1.
Environment
- Red Hat Enterprise Linux 8.1
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