On Tue, Aug 2, 2011 at 5:06 PM, Kuhlemann, Verena <span dir="ltr"><<a href="mailto:vkuhlem@emory.edu">vkuhlem@emory.edu</a>></span> wrote:<br><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
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<div style="direction:ltr;font-family:Tahoma;color:#000000;font-size:10pt"><font color="#408CD9" face="'Segoe UI', Helvetica, Arial, sans-serif" size="3"><span style="font-size:11px;line-height:18px;white-space:nowrap">Hi,</span></font>
<div><font color="#408CD9" face="'Segoe UI', Helvetica, Arial, sans-serif" size="3"><span style="font-size:11px;line-height:18px;white-space:nowrap"><br>
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<div><font color="#408CD9" face="'Segoe UI', Helvetica, Arial, sans-serif" size="3"><span style="font-size:11px;line-height:18px;white-space:nowrap">I am trying to find an error in my program with valgrind.</span></font></div>
<div><font color="#408CD9" face="'Segoe UI', Helvetica, Arial, sans-serif" size="3"><span style="font-size:11px;line-height:18px;white-space:nowrap">The first message that I get is the following:</span></font></div>
</div></div></blockquote><div><br></div><div>No, MPICH is doing something that valgrind does not understand with memory. You can usually</div><div>ignore anything that goes back into MPI.</div><div><br></div><div> Matt</div>
<div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"><div><div style="direction:ltr;font-family:Tahoma;color:#000000;font-size:10pt">
<div><font color="#408CD9" face="'Segoe UI', Helvetica, Arial, sans-serif" size="3"><span style="font-size:11px;line-height:18px;white-space:nowrap">
<div>Syscall param write(buf) points to uninitialised byte(s)</div>
<div>==22395== Syscall param write(buf) points to uninitialised byte(s)</div>
<div>==22393== at 0x73D92C0: __write_nocancel (in /lib64/<a href="http://libc-2.5.so" target="_blank">libc-2.5.so</a>)</div>
<div>==22393== by 0x7A76283: ibv_cmd_modify_qp (in /usr/lib64/libibverbs.so.1.0.0)</div>
<div>==22393== by 0x88B742A: ??? (in /usr/lib64/libmlx4-rdmav2.so)</div>
<div>==22393== by 0x7A7A363: ibv_modify_qp (in /usr/lib64/libibverbs.so.1.0.0)</div>
<div>==22393== by 0x67A3DDF: MPID_VIA_Init (viainit.c:1014)</div>
<div>==22393== by 0x67826BB: MPID_Init (mpid_init.c:66)</div>
<div>==22393== by 0x677438E: MPIR_Init (initutil.c:279)</div>
<div>==22393== by 0x432732: PetscInitialize (pinit.c:561)</div>
<div>==22395== at 0x73D92C0: __write_nocancel (in /lib64/<a href="http://libc-2.5.so" target="_blank">libc-2.5.so</a>)</div>
<div>==22395== by 0x7A76283: ibv_cmd_modify_qp (in /usr/lib64/libibverbs.so.1.0.0)</div>
<div>==22395== by 0x88B742A: ??? (in /usr/lib64/libmlx4-rdmav2.so)</div>
<div>==22395== by 0x7A7A363: ibv_modify_qp (in /usr/lib64/libibverbs.so.1.0.0)</div>
<div>==22395== by 0x67A3DDF: MPID_VIA_Init (viainit.c:1014)</div>
<div>==22395== by 0x67826BB: MPID_Init (mpid_init.c:66)</div>
<div>==22395== by 0x677438E: MPIR_Init (initutil.c:279)</div>
<div>==22395== by 0x432732: PetscInitialize (pinit.c:561)</div>
<div>==22395== by 0x4046FC: main (runtests.c:48)</div>
<div>==22395== Address 0x7feffef78 is on thread 1's stack</div>
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<div>I am not sure what this is suppose to tell me. Is the something wrong with my PetscInitialize?</div>
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<div>Thanks for the help,</div>
<div><br>
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<div>Verena</div>
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<div><font color="#408CD9" face="'Segoe UI', Helvetica, Arial, sans-serif" size="3"><span style="font-size:11px;line-height:18px;white-space:nowrap"><br>
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</blockquote></div><br><br clear="all"><br>-- <br>What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead.<br>-- Norbert Wiener<br>