If there is a bug in the code, it won't run on any machine. All machine should give some error. But our code is running on some machines(Dual-Core), but not on othermachines(quad-core). I installed the same mpich2-1.0.3 in both machines and configured simillarly.<br><br>Velan<br><br><b><i>Rajeev Thakur <thakur@mcs.anl.gov></i></b> wrote:<blockquote class="replbq" style="border-left: 2px solid rgb(16, 16, 255); margin-left: 5px; padding-left: 5px;"> <meta http-equiv="Content-Type" content="text/html; charset=us-ascii"> <meta content="MSHTML 6.00.5730.11" name="GENERATOR"> <div dir="ltr" align="left"><span class="979434417-12022007"><font color="#0000ff" face="Arial" size="2">It's likely a bug in the code, as it says invalid request. Just removing MPI_Waitall is not a good solution as it is needed for a correct program.</font></span></div> <div dir="ltr" align="left"><span class="979434417-12022007"><font color="#0000ff" face="Arial"
size="2"></font></span> </div> <div dir="ltr" align="left"><span class="979434417-12022007"><font color="#0000ff" face="Arial" size="2">Rajeev</font></span></div><br> <blockquote style="border-left: 2px solid rgb(0, 0, 255); padding-left: 5px; margin-left: 5px; margin-right: 0px;"> <div class="OutlookMessageHeader" dir="ltr" align="left" lang="en-us"> <hr tabindex="-1"> <font face="Tahoma" size="2"><b>From:</b> owner-mpich-discuss@mcs.anl.gov [mailto:owner-mpich-discuss@mcs.anl.gov] <b>On Behalf Of </b>Vadivelan Ranjith<br><b>Sent:</b> Sunday, February 11, 2007 10:55 AM<br><b>To:</b> mpich-discuss@mcs.anl.gov<br><b>Subject:</b> [MPICH] Error using MPI_WAITALL <br></font><br></div> <div></div><span class="quotelev1"> Hi </span><br> <span class="quotelev1">I am using mpich2-1.0.3 to compiling our code. Our code is calling </span><br> <span class="quotelev1">MPI_WAITALL. We ran the case in intel-Dual core without any problem
</span><br> <span class="quotelev1">and solution was fine. I tried to ran the code in intel quad-core. </span><br> <span class="quotelev1">Compilation using mpif90 is fine. I started running the executable </span><br> <span class="quotelev1">file, i got the following error. </span><br> <span class="quotelev1">----------------------------------------------------------------------</span><span class="quotelev1">--------------------------------- </span><br> <span class="quotelev1">Fatal error in MPI_Waitall: Invalid MPI_Request, error stack: </span><br> <span class="quotelev1">MPI_Waitall(241): MPI_Waitall(count=250, req_array=0x23e52e0, </span><br> <span class="quotelev1">status_array=0x7fbfffe3a0) failed </span><br> <span class="quotelev1">MPI_Waitall(109): Invalid MPI_Request </span><br> <span class="quotelev1">----------------------------------------------------------------------</span><span
class="quotelev1">------------------------------------------------- </span><br><span class="quotelev1"> </span><br> <span class="quotelev1">So i removed all the lines where MPI-WAITALL is using. Again i </span><br> <span class="quotelev1">compiled to code using mpif90(mpich) and ran it. Now its running </span><br> <span class="quotelev1">without any problem. Can you please explain me what is happen here. </span><br><span class="quotelev1"> </span><br> <span class="quotelev1">Thanks </span><br> <span class="quotelev1">Velan</span> <div> </div><hr size="1"> Here’s a new way to find what you're looking for - <a href="http://us.rd.yahoo.com/mail/in/yanswers/*http://in.answers.yahoo.com/">Yahoo! Answers</a> </blockquote></blockquote><br><p> 
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