<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:times new roman, new york, times, serif;font-size:12pt"><div><pre>Dear G.Vinodh Kumar,<br><br>I read your problem form internet. <br><br><br style="background-color: rgb(255, 255, 0);"><span style="background-color: rgb(255, 255, 0);">hi,</span><br style="background-color: rgb(255, 255, 0);"><span style="background-color: rgb(255, 255, 0);"> i setup a two node cluster with mpich2-1.0.</span><br style="background-color: rgb(255, 255, 0);"><br style="background-color: rgb(255, 255, 0);"><span style="background-color: rgb(255, 255, 0);">the name of the master node is aarya</span><br style="background-color: rgb(255, 255, 0);"><span style="background-color: rgb(255, 255, 0);">the name of the slave node is desktop2</span><br style="background-color: rgb(255, 255, 0);"><br style="background-color: rgb(255, 255, 0);"><span style="background-color:
rgb(255, 255, 0);">i enabled the passwordless ssh session.</span><br style="background-color: rgb(255, 255, 0);"><br style="background-color: rgb(255, 255, 0);"><span style="background-color: rgb(255, 255, 0);">in the mpd.hosts, i included the name of both nodes.</span><br style="background-color: rgb(255, 255, 0);"><br style="background-color: rgb(255, 255, 0);"><span style="background-color: rgb(255, 255, 0);">the command, mpdboot -n 2 works fine.</span><br style="background-color: rgb(255, 255, 0);"><br style="background-color: rgb(255, 255, 0);"><span style="background-color: rgb(255, 255, 0);">the command, mpdtrace gives the name of both machines.</span><br style="background-color: rgb(255, 255, 0);"><br style="background-color: rgb(255, 255, 0);"><span style="background-color: rgb(255, 255, 0);">i copied the example program cpi on /home/vinodh/ on</span><br style="background-color: rgb(255, 255, 0);"><span style="background-color: rgb(255, 255,
0);">both the nodes.</span><br style="background-color: rgb(255, 255, 0);"><br style="background-color: rgb(255, 255, 0);"><span style="background-color: rgb(255, 255, 0);">mpiexec -n 2 cpi gives the output,</span><br style="background-color: rgb(255, 255, 0);"><br style="background-color: rgb(255, 255, 0);"><span style="background-color: rgb(255, 255, 0);">Process 0 of 2 is on aarya</span><br style="background-color: rgb(255, 255, 0);"><span style="background-color: rgb(255, 255, 0);">Process 1 of 2 is on desktop2</span><br style="background-color: rgb(255, 255, 0);"><span style="background-color: rgb(255, 255, 0);">aborting job:</span><br style="background-color: rgb(255, 255, 0);"><span style="background-color: rgb(255, 255, 0);">Fatal error in MPI_Bcast: Other MPI error, error</span><br style="background-color: rgb(255, 255, 0);"><span style="background-color: rgb(255, 255, 0);">stack:</span><br style="background-color: rgb(255, 255, 0);"><span
style="background-color: rgb(255, 255, 0);">MPI_Bcast(821): MPI_Bcast(buf=0xbfffbf28, count=1,</span><br style="background-color: rgb(255, 255, 0);"><span style="background-color: rgb(255, 255, 0);">MPI_INT, root=0, MPI_COMM_WORLD) failed</span><br style="background-color: rgb(255, 255, 0);"><span style="background-color: rgb(255, 255, 0);">MPIR_Bcast(229):</span><br style="background-color: rgb(255, 255, 0);"><span style="background-color: rgb(255, 255, 0);">MPIC_Send(48):</span><br style="background-color: rgb(255, 255, 0);"><span style="background-color: rgb(255, 255, 0);">MPIC_Wait(308):</span><br style="background-color: rgb(255, 255, 0);"><span style="background-color: rgb(255, 255, 0);">MPIDI_CH3_Progress_wait(207): an error occurred while</span><br style="background-color: rgb(255, 255, 0);"><span style="background-color: rgb(255, 255, 0);">handling an event returned by MPIDU_Sock_Wait()</span><br style="background-color: rgb(255, 255,
0);"><span style="background-color: rgb(255, 255, 0);">MPIDI_CH3I_Progress_handle_sock_event(1053):</span><br style="background-color: rgb(255, 255, 0);"><span style="background-color: rgb(255, 255, 0);">[ch3:sock] failed to connnect to remote process</span><br style="background-color: rgb(255, 255, 0);"><span style="background-color: rgb(255, 255, 0);">kvs_aarya_40892_0:1</span><br style="background-color: rgb(255, 255, 0);"><span style="background-color: rgb(255, 255, 0);">MPIDU_Socki_handle_connect(767): connection failure</span><br style="background-color: rgb(255, 255, 0);"><span style="background-color: rgb(255, 255, 0);">(set=0,sock=1,errno=113:No route to host)</span><br style="background-color: rgb(255, 255, 0);"><span style="background-color: rgb(255, 255, 0);">rank 0 in job 1 aarya_40878 caused collective abort</span><br style="background-color: rgb(255, 255, 0);"><span style="background-color: rgb(255, 255, 0);">of all ranks</span><br
style="background-color: rgb(255, 255, 0);"><span style="background-color: rgb(255, 255, 0);"> exit status of rank 0: return code 13</span><br style="background-color: rgb(255, 255, 0);"><br style="background-color: rgb(255, 255, 0);"><br style="background-color: rgb(255, 255, 0);"><span style="background-color: rgb(255, 255, 0);">but, the other example hellow works fine.</span><br style="background-color: rgb(255, 255, 0);"><br style="background-color: rgb(255, 255, 0);"><span style="background-color: rgb(255, 255, 0);">let me know, why theres an error for the program cpi.</span><br style="background-color: rgb(255, 255, 0);"><br style="background-color: rgb(255, 255, 0);"><span style="background-color: rgb(255, 255, 0);">Regards,</span><br style="background-color: rgb(255, 255, 0);"><span style="background-color: rgb(255, 255, 0);">G. Vinodh Kumar</span><br><br>At present, I have the same problem when I install Mpich2.1.0.7.
I think that you have solved this problem. Could you please instruct me how to solve this problem?<br>I look forward to your reply.<br><br>Thank you first.<br><br>Sincerely,<br>DUong Dinh Loc.<br><br></pre></div></div><br>
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