Hi,
I am running a C++ program with OMPI.I got error:
*** glibc detected *** /nsga2b: free(): invalid next size (fast):
0x0000000001817a90 ***
I used GDB:
======= Backtrace: =========Program received signal SIGABRT,
Aborted.0x00000038b8830265 in raise () from /lib64/libc.so.6(gdb) bt#0
0x00000038b8830265 in raise () from /lib64/libc.so.6#1 0x00000038b8831d10 in
abort () from /lib64/libc.so.6#2 0x00000038b886a99b in __libc_message () from
/lib64/libc.so.6#3 0x00000038b887245f in _int_free () from /lib64/libc.so.6#4
0x00000038b88728bb in free () from /lib64/libc.so.6#5 0x000000000044a4e3 in
workerRunTask (message_to_master_type=0x38c06efe18, nodeSize=2, myRank=1,
xVSize=84, objSize=7, xdata_to_workers_type=0x1206350,
recvXDataVec=std::vector of length 0, capacity 84, myNsga2=...,
Mpara_to_workers_type=0x1205390, events=0x7fffffffb1f0, netplan=...) at
src/nsga2/workerRunTask.cpp:447#6 0x00000000004514d9 in main (argc=1,
argv=0x7fffffffcb48) at
src/nsga2/main-parallel2.cpp:425-------------------------------------------------
In valgrind,
there are some invalid read and write butno errors about this free(): invalid
next size .
-----------------------------------------------(populp.ind)->xreal = new
double[nreal]; (populp.ind)->obj = new double[nobj];
(populp.ind)->constr = new double[ncon]; (populp.ind)->xbin
= new double[nbin]; if ((populp.ind)->xreal == NULL ||
(populp.ind)->obj == NULL || (populp.ind)->constr == NULL || (populp.ind)->xbin
== NULL ) { #ifdef DEBUG_workerRunTask
cout << "In workerRunTask(), I am rank "<< myRank << "
(populp.ind)->xreal or (populp.ind)->obj or (populp.ind)->constr or
(populp.ind)->xbin is NULL .\n\n" << endl; #endif }
delete [] (populp.ind)->xreal ; delete [] (populp.ind)->xbin ;
delete [] (populp.ind)->obj ; delete [] (populp.ind)->constr ;
delete [] sendResultArrayPr;
----------------------------------------
thanks
Any help is really appreciated.
