[mvapich-discuss] messege truncated

[nilesh awate]

Thanks for suggestion (use mvapich2-1.2) sir,

I have tried the same but still we are facing same problem

Fatal error in MPI_Recv:
Message truncated, error stack:
MPI_Recv(186).......................: MPI_Recv(buf=0x7fff1faf6008, count=945075466, MPI_INT, src=2, tag=1000, MPI_COMM_WORLD, status=0x7fff1faf5fe0) failed
MPIDI_CH3U_Request_unpack_uebuf(590): Message truncated; 4 bytes received but buffer size is -514665432
rank 0 in job 4  test01_52519   caused collective abort of all ranks
exit status of rank 0: killed by signal 9

is there any suggestion ? 

what does this error mean mean ?

is this a result of data curruption/packet missing, or something else ?

wating for reply
Nilesh Awate






________________________________
From: Dhabaleswar Panda <panda at cse.ohio-state.edu>
To: nilesh awate <nilesh_awate at yahoo.com>
Cc: MVAPICH2 <mvapich-discuss at cse.ohio-state.edu>
Sent: Wednesday, 19 November, 2008 9:27:36 PM
Subject: Re: [mvapich-discuss] messege truncated

MVAPICH2 1.2 was released around two weeks back. Can you try the latest
version.

DK

On Wed, 19 Nov 2008, nilesh awate wrote:

> Hi all,
I  am using  mvapich2-1.0.3  with  dapl  interconnect (its a proprietary  nic & dapl library)
I got following error while running pallas over (amd dual core) 5 nodes cluster.

Fatal error in MPI_Recv:
Message truncated, error stack:
MPI_Recv(186)..........................: MPI_Recv(buf=0x7fff24744cec, count=952788905, MPI_INT, src=2, tag=1000,MPI_COMM_WORLD, status=0x7fff24744cd0) failed
MPIDI_CH3U_Post_data_receive_found(243): Message from rank 2 and tag 1000 truncated; 4 bytes received but buffersize is -483811676
rank 0 in job 2  test01_40634   caused collective abort of all ranks
  exit status of rank 0: killed by signal 9


will you suggest where we should look for solving above error ?
what can we interpret from above message ?

wating for reply
thanking
Nilesh


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