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Ok, it's in. The Swift/K SVN is apparently down so it's not on
the web yet but see the asciidoc. <br>
<br>
On 07/29/2014 10:21 AM, Justin M Wozniak wrote:<br>
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I thought VALGRIND was in the manual already but it isn't. I
will add it now. I will also talk about our GDB feature. <br>
<br>
On 07/29/2014 10:17 AM, Ketan Maheshwari wrote:<br>
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<div dir="ltr">Thanks! Seems turbine script already had a
placeholder for Valgrind so I tried that and from the output,
it seems tcl libraries are causing segfault but I may be
wrong. Attached is the Valgrind output.
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<br>
<div class="gmail_quote">On Tue, Jul 29, 2014 at 10:05 AM, Tim
Armstrong <span dir="ltr"><<a moz-do-not-send="true"
href="mailto:tim.g.armstrong@gmail.com" target="_blank">tim.g.armstrong@gmail.com</a>></span>
wrote:<br>
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<div>I don't have any particular insight into the
cause of the segfault, I can help with the debugger
though.<br>
<br>
You need to point gdb at the tclsh that is being
used by turbine (which is just a shell script). You
can locate the correct tclsh by looking at TCLSH in
scripts/turbine-config.sh in the turbine install
directory.<br>
<br>
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- TIm<br>
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<div class="h5">On Tue, Jul 29, 2014 at 10:00 AM,
Ketan Maheshwari <span dir="ltr"> <<a
moz-do-not-send="true"
href="mailto:ketan@mcs.anl.gov"
target="_blank">ketan@mcs.anl.gov</a>></span>
wrote:<br>
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<div class="h5">
<div dir="ltr">Hi,
<div><br>
</div>
<div>Trying to main-wrap DOCK 6.6
application for ATPESC, I get the build
right (seems) but things fail at runtime
giving segfault:</div>
<div><br>
</div>
<div>
<div>$ turbine -n 4 user-code.tcl</div>
<div><br>
</div>
<div>===================================================================================</div>
<div>= BAD TERMINATION OF ONE OF YOUR
APPLICATION PROCESSES</div>
<div>= EXIT CODE: 139</div>
<div>= CLEANING UP REMAINING PROCESSES</div>
<div>= YOU CAN IGNORE THE BELOW CLEANUP
MESSAGES</div>
<div>===================================================================================</div>
<div>YOUR APPLICATION TERMINATED WITH THE
EXIT STRING: Segmentation fault (signal
11)</div>
<div>This typically refers to a problem
with your application.</div>
<div>Please see the FAQ page for debugging
suggestions</div>
</div>
<div><br>
</div>
<div>This is on MCS machine. Any suggestion
to debug this? I tried gdb but it gives:</div>
<div><br>
</div>
<div> "/nfs2/ketan/exm-install/turbine/bin/turbine":
not in executable format: File format not
recognized</div>
<div><br>
</div>
<div>With strace, I see some signs of
missing files but not sure if that is the
cause of segfault. Attached is the strace
output of:</div>
<div><br>
</div>
<div>strace -o strace.out turbine -n 4
user-code.tcl<br>
</div>
<div><br>
</div>
<div>The code has some MPI and pthread
elements but does not use them as far as I
understand.</div>
<div><br>
</div>
<div>Thanks for any suggestions.</div>
<div><br>
</div>
<div>--</div>
<div>Ketan</div>
</div>
<br>
</div>
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<pre class="moz-signature" cols="72">--
Justin M Wozniak</pre>
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<pre class="moz-signature" cols="72">--
Justin M Wozniak</pre>
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