Hi Carlos, Thanks for reporting this. We will look into this issue and keep you posted. Halim www.mcs.anl.gov/~aamer On 3/16/17 9:17 AM, Carlos Henrique Rebollo wrote:
Hello,
I Have compiled llvm 3.9.1 bolt 1.0a1 and argobots 1.0a1
And tried use in simple task code.
And I have get this on execution.
[mutex.c:172] ABT_mutex_lock: 20 Segmentation fault (core dumped)
Worked with gcc and icc.
Best wishes,
Carlos Rebollo.
gdb information
Core was generated by `./a.out'. Program terminated with signal 11, Segmentation fault. #0 0x00007f64ca2426c2 in ABT_mutex_create () from /usr/local/llvm-bolt-argobots/lib/../lib/libabt.so.0 (gdb) where #0 0x00007f64ca2426c2 in ABT_mutex_create () from /usr/local/llvm-bolt-argobots/lib/../lib/libabt.so.0 #1 0x00007f64caa75300 in __kmp_do_serial_initialize () at /usr/local/src/llvm/projects/openmp/runtime/src/abt/kmp_abt_runtime.c:139 #2 0x00007f64caa75a5a in __kmp_do_middle_initialize () at /usr/local/src/llvm/projects/openmp/runtime/src/abt/kmp_abt_runtime.c:363 #3 0x00007f64caa75ddb in __kmp_middle_initialize () at /usr/local/src/llvm/projects/openmp/runtime/src/abt/kmp_abt_runtime.c:470 #4 0x00007f64caa99362 in __kmp_api_omp_get_num_procs () at /usr/local/src/llvm/projects/openmp/runtime/src/abt/kmp_abt_ftn_entry.h:444 #5 0x0000000000400b09 in main ()
code
#include <stdio.h> #include <stdlib.h> #include <omp.h> #include <unistd.h>
int main(){ int i=0,j=0,res; int mprocs=0; int *pprocs; pprocs=malloc(sizeof(int)*omp_get_num_procs()); for(i=0;i<omp_get_num_procs();i++) pprocs[i]=0; #pragma omp parallel private(res) { res=0; #pragma omp for private(i,j) nowait for(i=0;i<omp_get_num_procs()*10;i++){ for(j=0;j<omp_get_thread_num()*100;j++) { res=res+1; //printf("for %i,%i res=%i thread %i\n",i,j,res,omp_get_thread_num()); } } printf("res=%i thread %i\n",res,omp_get_thread_num()); #pragma omp single { printf("Processo %i dentro single total %i\n", omp_get_thread_num(),omp_get_num_threads()); for(i=0;i<omp_get_num_procs()*10;i++){ #pragma omp task { pprocs[omp_get_thread_num()]++; if( omp_get_num_threads() > mprocs ) mprocs=omp_get_num_threads();
printf("Processo %i dentro task total %i\n", omp_get_thread_num(),omp_get_num_threads()); } } } } for(i=0;i<omp_get_num_procs();i++) printf("%i process %i itens\n",i,pprocs[i]); printf("quantidade de processos %i\n",mprocs); free(pprocs); pprocs=NULL; return 0; }
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