<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div class=""><br class=""></div> You should be able to use the option<div class=""><br class=""></div><div class=""> -fp_trap on </div><div class=""><br class=""></div><div class="">to resolve this problem. I am working on a general fix but it is extensive and has to go into the master branch and cannot be back ported.<div class=""><div class=""><br class=""></div><div class=""> Barry</div><div class=""><br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On Jun 13, 2020, at 3:06 PM, Sanjay Govindjee <<a href="mailto:s_g@berkeley.edu" class="">s_g@berkeley.edu</a>> wrote:</div><br class="Apple-interchange-newline"><div class="">
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Not a lot of luck here; I guess I don't know how to set the break
point correctly?<br class="">
<br class="">
<blockquote class="">(gdb) b ieee_handler<br class="">
Function "ieee_handler" not defined.<br class="">
Make breakpoint pending on future shared library load? (y or [n])
y<br class="">
Breakpoint 1 (ieee_handler) pending.<br class="">
(gdb) c<br class="">
Continuing.<br class="">
<br class="">
Thread 1 "feap" received signal SIGFPE, Arithmetic exception.<br class="">
0x00007f8d1a422be1 in ieeeck_ () from /lib64/liblapack.so.3<br class="">
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<div class="moz-cite-prefix">On 6/13/20 9:04 AM, Barry Smith wrote:<br class="">
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<blockquote type="cite" cite="mid:24AC8444-94DD-4885-8E04-9107DD7DB673@petsc.dev" class=""> You
could try in gdb to put a break point in ieee_handler and find all
the places it gets called, maybe this will lead to the location of
the cause.</blockquote>
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