Could not set CPU affinity to 1(Operation not permitted)

[jiumeiliuxu]

error:
WARNING: Could not set CPU affinity to 1(Operation not permitted)
WARNING: Could not set CPU affinity to 6(Operation not permitted)
WARNING: Could not set CPU affinity to 4(Operation not permitted)
...
[S 0] Failed assertion on build/opt/ooo_core.cpp:358: nehalem-2: loadIdx(3) != loads (4)
[S 0] [5] Internal exception detected:
[S 0] [5] Code: 1
[S 0] [5] Address: 0x7ffff61d56b9
[S 0] [5] Description: Exception Code: ACCESS_INVALID_ADDRESS. Exception Address = 0x7ffff61d56b9. Access Type: UNKNOWN. Access Address = 0x000000000
[S 0] [5] Caused by invalid access to address 0x0
[S 0] [5] Backtrace (9/40 max frames)
[S 0] [5] /home/jzh/lx-zsim/new/zsim/build/opt/zsim.cpp:1392 / InternalExceptionHandler(unsigned int, LEVEL_BASE::EXCEPTION_INFO*, LEVEL_VM::PHYSICAL_CONTEXT*, void*)

[jiumeiliuxu]

I get this error when I run a program on zsim