Symptom
A Nexus 9000 FX2 switch may encounter a crash in the PIM process due to a SYSMGR_DEATH_REASON_FAILURE_SIGNAL when manually restarting a process using the "kill [process]" command.
%LIBSYSMGR-3-SIGTERM_FORCE_EXIT: Service "pim" (PID #) is forced exit.
%SYSMGR-2-SERVICE_CRASHED: Service "pim" (PID #) hasn't caught signal 6 (core will be saved).
%PIM-3-RESTART_REASON: pim [#] PIM process has restarted, restart reason: crashed, will preserve routes
N9336# show system internal sysmgr service name pim | i Reason
Reason of last termination: SYSMGR_DEATH_REASON_FAILURE_SIGNAL
Workaround
If a CORE file is need, use "kill -6". Otherwise, use 'restart pim' or 'no feature pim' to restart the process.