[mpich-discuss] MPI_Recv problem

[Pavan Balaji]

Did you try printing how many bytes you are receiving before calling MPI_Recv?

  — Pavan

On Dec 1, 2013, at 11:43 PM, Soheil Hooshdaran <shooshdaran577 at gmail.com> wrote:

> Hello. Please tell me what is wrong with my program that it doesn't goes no further than  executing MPI_Send() for the first time.
> The file is attached
> 
> 
> On Sat, Nov 30, 2013 at 7:02 PM, Soheil Hooshdaran <shooshdaran577 at gmail.com> wrote:
> So what do I have to do now, sir? Especially regarding my Bcast()s a,d Recv()s
> 
> 
> On Sat, Nov 30, 2013 at 1:05 AM, Pavan Balaji <balaji at mcs.anl.gov> wrote:
> 
> Please keep discuss at mpich.org cc’ed.
> 
> On Nov 29, 2013, at 2:19 PM, Soheil Hooshdaran <shooshdaran577 at gmail.com> wrote:
> > executing send for the 3th time
> > executed send for the 3th time, sending 40 bytes
> > Fatal error in MPI_Recv: Message truncated, error stack:
> > MPI_Recv(184).....................: MPI_Recv(buf=0xbff95c98, count=0, MPI_INT, src=0, tag=1, MPI_COMM_WORLD, status=0xbff95c70) failed
> > MPIDI_CH3U_Receive_data_found(131): Message from rank 0 and tag 1 truncated; 160 bytes received but buffer size is 0
> 
> I don’t think I can explain the error any better than what the message above already says.
> 
> --
> Pavan Balaji
> http://www.mcs.anl.gov/~balaji
> 
> 
> <p1_Hooshdaran_static[debug].cpp>

--
Pavan Balaji
http://www.mcs.anl.gov/~balaji