The "IBM E980 (9080-M9S)" Power9 system requires an errata kernel to use the maximum cores.
Issue
- RHEL9 installation fails if the system is installed with more than 144 cores (1152 logical CPUs with SMT8).
Environment
- Red Hat Enterprise Linux 9.0
- IBM Power System E980 (9080-M9S)
- kernel-5.14.0-70.13.1.el9_0.ppc64le
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