[bolt-discuss] Error ABT_mutex_lock: 20

Halim Amer aamer at anl.gov
Wed Mar 22 11:28:08 CDT 2017


We can now track the progress on this issue at 
https://github.com/pmodels/bolt/issues/3.

Halim
www.mcs.anl.gov/~aamer

On 3/16/17 10:40 AM, Halim Amer wrote:
> 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;
>> }
>>
>>
>> _______________________________________________
>> discuss mailing list
>> discuss at lists.bolt-omp.org
>> https://lists.bolt-omp.org/mailman/listinfo/discuss
> _______________________________________________
> discuss mailing list
> discuss at lists.bolt-omp.org
> https://lists.bolt-omp.org/mailman/listinfo/discuss


More information about the discuss mailing list