<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Dear NCL Community,<div class=""><br class=""></div><div class="">we have been happily using the ncl software for a couple of years already. Lately we regularly are confronted with Segmentation Faults for one of our scripts. The NCL script is called from a php script and works on grib files of 1.7GB.</div><div class=""><br class=""></div><div class=""><b class="">Error message:</b></div><div class=""><br class=""></div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span><span class="" style="font-family: Menlo; font-size: 11px; background-color: rgba(255, 255, 255, 0.909804);">Calling NCL</span></div><div class="" style="margin: 0px; font-size: 11px; line-height: normal; font-family: Menlo; background-color: rgba(255, 255, 255, 0.909804);"><span class="" style="font-variant-ligatures: no-common-ligatures;">Executing: export NCARG_ROOT=/PATH_NCL/ncl; export PATH=$NCARG_ROOT/bin:$PATH; cd /WORKING_DIR/euro4-plots; ncl 'ini=2019041700’ eu_read.ncl</span></div><div class="" style="margin: 0px; font-size: 11px; line-height: normal; font-family: Menlo; background-color: rgba(255, 255, 255, 0.909804);"><span class="" style="font-variant-ligatures: no-common-ligatures;"> sh: line 1: 2596 </span><span class="" style="font-variant-ligatures: no-common-ligatures; color: rgb(195, 55, 32);"><b class="">Segm</b></span><span class="" style="font-variant-ligatures: no-common-ligatures;">entation fault (core dumped) ncl 'ini=2019041700' eu_read.ncl</span></div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span></div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>There is no further information. As the same script has been working for a long time already and the second attempt with identical inputs worked, I would assume that there is no scripting problem.</div><div class=""><br class=""></div><div class=""><div class=""><b class="">Technical info:</b></div><div class=""><br class=""></div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>NCL version: 6.3.0</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>OS:<span class="Apple-tab-span" style="white-space: pre;"> </span>CentOS Linux Version 7</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span></div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>At times we run several NCL scripts in parallel, might there be some confusion with temporary files? The processes run in different working directories.</div></div><div class=""><br class=""></div><div class="">Maybe somebody was confronted with the same issue already? I am very glad to give any additional information if required.</div><div class=""><br class=""></div><div class="">Thanks in advance and best regards,</div><div class="">Jonas</div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">
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