<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12pt"><div><span style="font-family: 'Helvetica Neue', 'Segoe UI', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 13px;">Utkarsh, </span></div><div style="color: rgb(0, 0, 0); font-size: 13px; font-family: 'Helvetica Neue', 'Segoe UI', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font-style: normal;"><span style="font-family: 'Helvetica Neue', 'Segoe UI', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 13px;"><br></span></div><div style="color: rgb(0, 0, 0); font-size: 13px; font-family: 'Helvetica Neue', 'Segoe UI', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font-style: normal;"><span style="font-family: 'Helvetica Neue', 'Segoe UI', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size:
13px;">I </span>rebuilding with CMAKE_BUILD_TYPE set Debug. The following is the backtrace for the segfault<br></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font-style: normal;"><br></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font-style: normal;"><br></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font-style: normal;"><span style="font-weight: bold;">(gdb) run</span></div><div>Starting program: /home/user/Desktop/pvw/bin/pvpython </div><div>[Thread debugging using libthread_db enabled]</div><div>Using host libthread_db library
"/lib/i386-linux-gnu/libthread_db.so.1".</div><div><br></div><div>Program received signal SIGSEGV, Segmentation fault.</div><div>0x0804abf1 in ParaViewPython::Run (processType=0, argc=1, argv=0xbfffe9f4)</div><div> at /home/user/Desktop/pvw/ParaView-v4.1.0/CommandLineExecutables/pvpython.h:86</div><div>86<span class="Apple-tab-span" style="white-space:pre"> </span> if (pm->GetSymmetricMPIMode() == false &&</div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font-style: normal;"><br></div><div><span style="font-weight: bold;">(gdb) bt</span></div><div>#0 0x0804abf1 in ParaViewPython::Run (processType=0, argc=1, argv=0xbfffe9f4)</div><div> at /home/user/Desktop/pvw/ParaView-v4.1.0/CommandLineExecutables/pvpython.h:86</div><div>#1 0x0804adf9 in main (argc=1,
argv=0xbfffe9f4)</div><div> at /home/user/Desktop/pvw/ParaView-v4.1.0/CommandLineExecutables/pvpython.cxx:27</div><div><br></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font-style: normal;"><span style="font-family: 'Helvetica Neue', 'Segoe UI', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 13px;">Hopefully this is what you need for the backtrace result. I look forward to hearing from you soon. Thank you!</span><br></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font-style: normal;"><span style="font-family: 'Helvetica Neue', 'Segoe UI', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 13px;"><br></span></div><div style="color: rgb(0, 0, 0); font-size: 13px;
font-family: 'Helvetica Neue', 'Segoe UI', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font-style: normal;"><span style="font-family: 'Helvetica Neue', 'Segoe UI', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 13px;">Kai L.</span></div><div><br></div><div class="yahoo_quoted" style="display: block;"> <br> <br> <div style="font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 12pt;"> <div style="font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 12pt;"> <div dir="ltr"> <font size="2" face="Arial"> On Wednesday, January 29, 2014 11:16 AM, Utkarsh Ayachit <utkarsh.ayachit@kitware.com> wrote:<br> </font> </div> <div class="y_msg_container"><div id="yiv8517580723"><div><div dir="ltr">Kai,<div><br clear="none"></div><div>Once it segfaults, just type "bt" (enter) to pring the backtrace.</div><div><br
clear="none"></div><div>Utkarsh</div></div><div class="yiv8517580723yqt7385180467" id="yiv8517580723yqt32739"><div class="yiv8517580723gmail_extra"><br clear="none"><br clear="none"><div class="yiv8517580723gmail_quote">On Wed, Jan 29, 2014 at 11:12 AM, kai liu <span dir="ltr"><<a rel="nofollow" shape="rect" ymailto="mailto:liuwukai@yahoo.com" target="_blank" href="mailto:liuwukai@yahoo.com">liuwukai@yahoo.com</a>></span> wrote:<br clear="none">
<blockquote class="yiv8517580723gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"><div><div style="font-size: 12pt; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif;"><div>
<span style="font-family: 'Helvetica Neue', 'Segoe UI', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 13px; background-color: transparent;">Utkarsh,</span><br clear="none"></div><div style="font-style: normal; font-size: 16px; background-color: transparent; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif;">
<span style="font-family: 'Helvetica Neue', 'Segoe UI', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 13px; background-color: transparent;"><br clear="none"></span></div><div style="font-style: normal; font-size: 13px; background-color: transparent; font-family: 'Helvetica Neue', 'Segoe UI', Helvetica, Arial, 'Lucida Grande', sans-serif;">
<span style="font-family: 'Helvetica Neue', 'Segoe UI', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 13px;">How do I attach the backtrace for the </span>segfault? I am pretty new to the Linux as well. Do I just do<br clear="none">
</div><div style="font-style: normal; font-size: 13px; background-color: transparent; font-family: 'Helvetica Neue', 'Segoe UI', Helvetica, Arial, 'Lucida Grande', sans-serif;"><span style="font-weight:bold;">$: gdb pvpython</span></div>
<div style="font-style: normal; font-size: 13px; background-color: transparent; font-family: 'Helvetica Neue', 'Segoe UI', Helvetica, Arial, 'Lucida Grande', sans-serif;"><span style="font-weight:bold;">$: run</span></div>
<div style="font-style: normal; font-size: 13px; background-color: transparent; font-family: 'Helvetica Neue', 'Segoe UI', Helvetica, Arial, 'Lucida Grande', sans-serif;">on Ubuntu terminal to backtrace? </div>
<div style="font-style: normal; font-size: 13px; background-color: transparent; font-family: 'Helvetica Neue', 'Segoe UI', Helvetica, Arial, 'Lucida Grande', sans-serif;"><br clear="none"></div><div style="font-style: normal; font-size: 13px; background-color: transparent; font-family: 'Helvetica Neue', 'Segoe UI', Helvetica, Arial, 'Lucida Grande', sans-serif;">
If that's not how we backtrace, can you please tell me how to do it? Thank you!</div><div style="font-style: normal; font-size: 13px; background-color: transparent; font-family: 'Helvetica Neue', 'Segoe UI', Helvetica, Arial, 'Lucida Grande', sans-serif;">
<br clear="none"></div><div style="font-style: normal; font-size: 13px; background-color: transparent; font-family: 'Helvetica Neue', 'Segoe UI', Helvetica, Arial, 'Lucida Grande', sans-serif;">Kai L. </div><div><div class="yiv8517580723h5">
<div style="display:block;"> <br clear="none"> <br clear="none"> <div style="font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 12pt;"> <div style="font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 12pt;">
<div dir="ltr"> <font face="Arial"> On Wednesday, January 29, 2014 5:35 AM, Utkarsh Ayachit <<a rel="nofollow" shape="rect" ymailto="mailto:utkarsh.ayachit@kitware.com" target="_blank" href="mailto:utkarsh.ayachit@kitware.com">utkarsh.ayachit@kitware.com</a>> wrote:<br clear="none"> </font> </div> <div>
<div><div><div dir="ltr">Kai,<div><br clear="none"></div><div>Can you rebuilding with CMAKE_BUILD_TYPE set Debug and the attaching the backtrace for the segfault? It's unclear why <span style="font-family: monospace; font-size: 13px;">ParaViewPython::Run() would segfault.</span></div>
</div><div><br clear="none"><br clear="none"><div>On Wed, Jan 29, 2014 at 7:45 AM, kai liu <span dir="ltr"><<a rel="nofollow" shape="rect" ymailto="mailto:liuwukai@yahoo.com" target="_blank" href="mailto:liuwukai@yahoo.com">liuwukai@yahoo.com</a>></span> wrote:<br clear="none">
<blockquote style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"><div><div><div style="font-size: 12pt; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif;">
<div>
<span style="font-family: monospace; font-size: 13px;">I downloaded ParaView-4.1.0-Linux-32bit-glibc-2.3.6.tar.gz from</span><a rel="nofollow" shape="rect" target="_blank" href="http://www.paraview.org/paraview/resources/software.php." style="color: rgb(25, 106, 212); font-size: 13px; font-family: monospace;">http://www.paraview.org/paraview/resources/software.php. </a><br clear="none" style="font-family: monospace; font-size: 13px;">
<br clear="none" style="font-family: monospace; font-size: 13px;"><br clear="none" style="font-family: monospace; font-size: 13px;"><span style="font-family: monospace; font-size: 13px;">I run the following command</span><br clear="none" style="font-family: monospace; font-size: 13px;">
<span style="font-family: monospace; font-size: 13px;">./bin/pvpython
lib/paraview-4.1/site-packages/paraview/web/pv_web_visualizer.py \</span><br clear="none" style="font-family: monospace; font-size: 13px;"><span style="font-family: monospace; font-size: 13px;"> --content ./share/paraview-4.1/www \</span><br clear="none" style="font-family: monospace; font-size: 13px;">
<span style="font-family: monospace; font-size: 13px;"> --data-dir /path-to-share/ \</span><br clear="none" style="font-family: monospace; font-size: 13px;"><span style="font-family: monospace; font-size: 13px;"> --port 8080 &</span><br clear="none" style="font-family: monospace; font-size: 13px;">
<br clear="none" style="font-family: monospace; font-size: 13px;"><span style="font-family: monospace; font-size: 13px;">Do you know why I always get segmentation fault (core dump) on 32-bit Ubuntu machine? I tested on 64-bit Ubuntu machine, and it works fine. I also tested on 32-bit and 64-bit Windows machines, and they all work fine. I even tried to build an off-screen ParaView Web </span><span style="font-family: monospace; font-size: 13px;">on my own system, it is still the same segmentation fault. </span></div>
<div><br clear="none" style="font-family: monospace; font-size: 13px;"><span style="font-family: monospace; font-size: 13px;">Even if i just run ./bin/pvpython, I still get segmentation fault. I used gdb debugger, and I got </span><br clear="none" style="font-family: monospace; font-size: 13px;">
<br clear="none" style="font-family: monospace; font-size: 13px;"><span style="font-family: monospace; font-size: 13px;">Program received signal SIGSEGV, Segmentation fault.</span><br clear="none" style="font-family: monospace; font-size: 13px;">
<span style="font-family: monospace; font-size: 13px;">0x08049c67 in ParaViewPython::Run(int, int, char**) ().</span><br clear="none" style="font-family: monospace; font-size: 13px;">
<br clear="none" style="font-family: monospace; font-size: 13px;"><span style="font-family: monospace; font-size: 13px;">Thank you!</span><br clear="none" style="font-family: monospace; font-size: 13px;"><br clear="none" style="font-family: monospace; font-size: 13px;">
<span style="font-family: monospace; font-size: 13px;">Kai L.</span><br clear="none" style="font-family: monospace; font-size: 13px;">
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