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available descriptions

see NAMD ver 2.12
issues
error: No processors available for load balancing!

With increase of number of allocated cores (>~200) you can see following error in NAMD's output file :

------------- Processor 0 Exiting: Called CmiAbort ------------
Reason: FATAL ERROR: No processors available for load balancing!


[0] Stack Traceback:
  [0:0] CmiAbort+0x39  [0xd63499]
  [0:1] _Z8NAMD_diePKc+0x5b  [0x61e59b]
  [0:2] _ZN10NamdCentLB8StrategyEPN6BaseLB7LDStatsE+0x6aa  [0xb07eda]
  [0:3] _ZN9CentralLB11LoadBalanceEv+0x1d8  [0xd302c8]
  [0:4] _Z15_processHandlerPvP11CkCoreState+0x860  [0xc9ff50]
  [0:5] CsdScheduleForever+0x68  [0xd685b8]
  [0:6] CsdScheduler+0x2d  [0xd6893d]
  [0:7] _ZN9ScriptTcl7Tcl_runEPvP10Tcl_InterpiPPc+0x20f  [0xba549f]
  [0:8] TclInvokeStringCommand+0x88  [0xda6668]
  [0:9]   [0xda9287]
  [0:10]   [0xdaa6a2]
  [0:11] Tcl_EvalEx+0x16  [0xdaaec6]
  [0:12] Tcl_FSEvalFileEx+0x151  [0xe0d071]
  [0:13] Tcl_EvalFile+0x2e  [0xe0d22e]
  [0:14] _ZN9ScriptTcl4loadEPc+0x12  [0xba62f2]
  [0:15] _Z18after_backend_initiPPc+0x223  [0x62ffc3]
  [0:16] main+0x3b  [0x5b4dcb]
  [0:17] __libc_start_main+0xf0  [0x7fc338920830]
  [0:18] _start+0x29  [0x5b8309]
Fatal error on PE 0> FATAL ERROR: No processors available for load balancing!

This error message maybe caused by ussage of ldbUnloadPME=yes in MAND's computation configuration file, so try to disable it.