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<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt;font-family:"Times New Roman",serif">Hi, Dear developer:</span><span lang="EN-US" style="font-size:14.0pt;font-family:"Times New Roman",serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt;font-family:"Times New Roman",serif">I encountered the following problems when I run my code with PETSC-3.5.2:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt;font-family:"Times New Roman",serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt;font-family:"Times New Roman",serif;color:red">[46]PETSC ERROR: ------------------------------------------------------------------------<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt;font-family:"Times New Roman",serif;color:red">[46]PETSC ERROR: Caught signal number 11 SEGV: Segmentation Violation, probably memory access out of range<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt;font-family:"Times New Roman",serif;color:red">[46]PETSC ERROR: Try option -start_in_debugger or -on_error_attach_debugger<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt;font-family:"Times New Roman",serif;color:red">[46]PETSC ERROR: or see
<a href="http://www.mcs.anl.gov/petsc/documentation/faq.html#valgrind">http://www.mcs.anl.gov/petsc/documentation/faq.html#valgrind</a><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt;font-family:"Times New Roman",serif;color:red">[46]PETSC ERROR: or try http://valgrind.org on GNU/linux and Apple Mac OS X to find memory corruption errors<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt;font-family:"Times New Roman",serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt;font-family:"Times New Roman",serif;color:#24292F;background:white">Could you please help me to fix this problem?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt;font-family:"Times New Roman",serif;color:#24292F;background:white">Thank you very much!<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt;font-family:"Times New Roman",serif;color:#24292F;background:white"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt;font-family:"Times New Roman",serif;color:#24292F;background:white">Best Regards.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt;font-family:"Times New Roman",serif;color:#24292F;background:white">Yuqi Wang<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt;font-family:SimSun"><o:p> </o:p></span></p>
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