<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:arial, helvetica, sans-serif;font-size:24pt"><div style="color: black; font-family: arial, helvetica, sans-serif; font-size: 24pt; "></div><div style="color: black; font-family: arial, helvetica, sans-serif; "><font class="Apple-style-span" size="2">Hi,</font></div><div style="color: black; font-family: arial, helvetica, sans-serif; "><font class="Apple-style-span" size="2"><br></font></div><div><font class="Apple-style-span" face="arial, helvetica, sans-serif" size="2">Thanks all for your replies... I found the problem, for some reasons, which i don't know how this happened, I didn't find node10, node11,.. in the "/etc/hosts" file. I have modified it again and everything works well now. </font></div><div style="color: black; font-family: arial, helvetica, sans-serif; "><font class="Apple-style-span"
size="2"><br></font></div><div style="color: black; font-family: arial, helvetica, sans-serif; "><span class="Apple-style-span" style="font-size: small; ">Thanks all for your reply.</span></div><div style="color: black; font-family: arial, helvetica, sans-serif; "><font class="Apple-style-span" size="2"><br></font></div><div style="color: black; font-family: arial, helvetica, sans-serif; "><font class="Apple-style-span" size="2">Regards,</font></div><div style="color: black; font-family: arial, helvetica, sans-serif; "><font class="Apple-style-span" size="2">Hisham</font></div><div style="color: black; font-family: arial, helvetica, sans-serif; font-size: 24pt; "><br></div><div style="font-family: arial, helvetica, sans-serif; font-size: 24pt; color: black; "><br><div style="font-family:arial, helvetica, sans-serif;font-size:13px"><font size="2" face="Tahoma"><hr size="1"><b><span style="font-weight: bold;">From:</span></b> Gus Correa
<gus@ldeo.columbia.edu><br><b><span style="font-weight: bold;">To:</span></b> Mpich Discuss <mpich-discuss@mcs.anl.gov><br><b><span style="font-weight: bold;">Sent:</span></b> Tue, December 14, 2010 6:46:56 PM<br><b><span style="font-weight: bold;">Subject:</span></b> Re: [mpich-discuss] Problem with MPI_Bcast<br></font><br>
Pavan Balaji wrote:<br>> <br>> On Tue, 14 Dec 2010, Hisham Adel wrote:<br>>> Thanks for your fast reply. The program runs well when I have removed "node10"<br>>> and increased the number of processes.<br>>> Now, I don't know where is the problem with "node10". It has the same Linux<br>>> version, the same configuration and on the same network.<br>>> <br>>> Do you have any ideas ?<br>> <br>> Unfortunately, with the information we have, it's hard to tell what's wrong with the node. Could be a hardware issue; could be a network configuration issue. I don't really know.<br>> <br>> You might be able to run some tests with just two nodes in the host file (node00 and node10) and see what errors it throws. It gets harder to debug with 11 nodes. Also try doing an ssh and ping from node00 to node10, and node10 to node00.<br>> <br>> I'm just randomly throwing out things you can try here. Maybe something
will stick.<br>> <br>> -- Pavan<br>> <br>Hi Hisham<br><br>Have you tried to reboot node10?<br>Sometimes it is all it takes.<br>A quick and dirty way to restore a node to a sane state.<br><br>My two cents,<br>Gus Correa<br>_______________________________________________<br>mpich-discuss mailing list<br><a ymailto="mailto:mpich-discuss@mcs.anl.gov" href="mailto:mpich-discuss@mcs.anl.gov">mpich-discuss@mcs.anl.gov</a><br><a href="https://lists.mcs.anl.gov/mailman/listinfo/mpich-discuss" target="_blank">https://lists.mcs.anl.gov/mailman/listinfo/mpich-discuss</a><br></div></div><div style="position: fixed; color: black; font-family: arial, helvetica, sans-serif; font-size: 24pt; "></div>
</div><br>
</body></html>