Thanks,
All works ! I upgraded to 2.7.1 in the last week.
On Tue, May 20, 2008 at 10:31 AM, Phil Carns <[EMAIL PROTECTED]> wrote:
> Hello,
>
> In the program that you are running now there shouldn't be anything unusual
> about the file system interaction; it is just a single process doing an
> fopen(). Is that test file left over from a previous run? Could you delete
> it and just try again?
>
> It may also be helpful to upgrade to 2.7.1 if possible as it contains
> several bug fixes.
>
> -Phil
>
> Davi Vercillo C. Garcia wrote:
>>
>> and I'm using version 2.7.0 !
>>
>> On Wed, May 14, 2008 at 4:16 PM, Davi Vercillo C. Garcia
>> <[EMAIL PROTECTED]> wrote:
>>>
>>> Hi again...
>>>
>>> One more information: when I access another node on PVFS2 directory to
>>> see the file "teste.txt", this error occurred:
>>>
>>> [EMAIL PROTECTED]:/mnt/pvfs2/davivercillo$ ls
>>> helloMPI helloMPI.qsub teste.txt
>>> [EMAIL PROTECTED]:/mnt/pvfs2/davivercillo$ ls -l
>>> Segmentation Fault
>>>
>>> On Wed, May 14, 2008 at 4:13 PM, Davi Vercillo C. Garcia
>>> <[EMAIL PROTECTED]> wrote:
>>>>
>>>> Hi,
>>>>
>>>> Sorry by the multiples messages. I rewrote my program and executed it
>>>> again. This time a weird error ocurred. My program create the file
>>>> "teste.txt" but with these permissions:
>>>>
>>>> [EMAIL PROTECTED]:/mnt/pvfs2/davivercillo$ ls -l
>>>> total 16
>>>> -rwxr-xr-x 1 davivercillo users 8674 2008-05-14 16:02 helloMPI
>>>> -rw-r--r-- 1 davivercillo users 112 2008-05-14 16:02 helloMPI.qsub
>>>> ?--------- ? ? ? ? ? teste.txt
>>>>
>>>> This time, my program is:
>>>>
>>>> #include <stdio.h>
>>>> #include <stdlib.h>
>>>> #include <string.h>
>>>> #include "mpi.h"
>>>>
>>>> int main(int argc, char** argv) {
>>>> int my_rank; /* Rank of process */
>>>> int p; /* Number of processes */
>>>> int source; /* Rank of sender */
>>>> int dest; /* Rank of receiver */
>>>> int tag = 50; /* Tag for messages */
>>>> char message[100]; /* Storage for the message */
>>>> MPI_Status status; /* Return status for receive */
>>>> MPI_Init(&argc, &argv);
>>>> MPI_Comm_rank(MPI_COMM_WORLD, &my_rank);
>>>> MPI_Comm_size(MPI_COMM_WORLD, &p);
>>>>
>>>> FILE *pfile;
>>>>
>>>> if (my_rank != 0) {
>>>> sprintf(message, "Greetings from process %d!", my_rank);
>>>> dest = 0;
>>>> MPI_Send(message, strlen(message)+1, MPI_CHAR, dest, tag,
>>>> MPI_COMM_WORLD);
>>>>
>>>> } else { /* my_rank == 0 */
>>>> for (source = 1 ; source < p ; source++) {
>>>> MPI_Recv(message, 100, MPI_CHAR, source, tag,
>>>> MPI_COMM_WORLD, &status);
>>>> pfile = fopen("teste.txt","a");
>>>> fprintf(pfile,"%s\n", message);
>>>> }
>>>>
>>>> fclose(pfile);
>>>> }
>>>>
>>>> MPI_Finalize();
>>>>
>>>> return 0;
>>>> }
>>>>
>>>> This program works fine on NFS.
>>>>
>>>> --
>>>> Davi Vercillo Carneiro Garcia
>>>>
>>>> Universidade Federal do Rio de Janeiro
>>>> Departamento de Ciência da Computação
>>>> DCC-IM/UFRJ - http://www.dcc.ufrj.br
>>>>
>>>> "Good things come to those who... wait." - Debian Project
>>>>
>>>> "A computer is like air conditioning: it becomes useless when you open
>>>> windows." - Linus Torvalds
>>>>
>>>> "Há duas coisas infinitas, o universo e a burrice humana. E eu estou
>>>> em dúvida quanto o primeiro." - Albert Einstein
>>>>
>>>
>>>
>>> --
>>> Davi Vercillo Carneiro Garcia
>>>
>>> Universidade Federal do Rio de Janeiro
>>> Departamento de Ciência da Computação
>>> DCC-IM/UFRJ - http://www.dcc.ufrj.br
>>>
>>> "Good things come to those who... wait." - Debian Project
>>>
>>> "A computer is like air conditioning: it becomes useless when you open
>>> windows." - Linus Torvalds
>>>
>>> "Há duas coisas infinitas, o universo e a burrice humana. E eu estou
>>> em dúvida quanto o primeiro." - Albert Einstein
>>>
>>
>>
>>
>
>
--
Davi Vercillo Carneiro Garcia
Universidade Federal do Rio de Janeiro
Departamento de Ciência da Computação
DCC-IM/UFRJ - http://www.dcc.ufrj.br
"Good things come to those who... wait." - Debian Project
"A computer is like air conditioning: it becomes useless when you open
windows." - Linus Torvalds
"Há duas coisas infinitas, o universo e a burrice humana. E eu estou
em dúvida quanto o primeiro." - Albert Einstein
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