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Dear Pierre and Stefano,</div>
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Yes - that is it! I had just stumbled onto that
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point as your email arrived thanks to Stefano's guidance, which suggested the problem was that the routine
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was receiving an integer when it was expecting something else... then a lightbulb
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finally switched on and I finally remembered that I needed to add the error variable</div>
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as a final argument. I thought it was something silly on my part, and I wasn't mistaken
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there at least!</div>
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Many thanks to both of you,</div>
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best wishes,<br>
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Dan.<br>
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<div id="divRplyFwdMsg" dir="ltr"><font style="font-size:11pt" face="Calibri, sans-serif" color="#000000"><b>From:</b> Pierre Seize <pierre.seize@onera.fr><br>
<b>Sent:</b> Friday, April 9, 2021 10:14 AM<br>
<b>To:</b> Stefano Zampini <stefano.zampini@gmail.com>; dazza simplythebest <sayosale@hotmail.com><br>
<b>Cc:</b> petsc-users@mcs.anl.gov <petsc-users@mcs.anl.gov><br>
<b>Subject:</b> Re: [petsc-users] Newbie question: Strange failure when calling PetscIntView from slepc application</font>
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<p>Hello, I think you forgot to pass <tt>ierr</tt> as the last argument of <tt>PetscIntView</tt>.</p>
<p>Pierre<br>
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<div class="x_moz-cite-prefix">On 09/04/21 11:52, Stefano Zampini wrote:<br>
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<div class="" style="font-family:Calibri,Helvetica,sans-serif; font-size:16px">==841883== Invalid write of size 4</div>
<div class="" style="font-family:Calibri,Helvetica,sans-serif; font-size:16px">==841883== at 0x503E784: petscintview_ (/data/work/slepc/PETSC/petsc-3.14.5/src/sys/error/ftn-custom/zerrf.c:109)</div>
<div class="" style="font-family:Calibri,Helvetica,sans-serif; font-size:16px">==841883== by 0x40262C: all_stab_routines_mp_write_rows_to_petsc_matrix_ (/data/work/rotplane/omega_to_zero/stability/test/tmp10/tmp3/tryme.F:17)</div>
<div class="" style="font-family:Calibri,Helvetica,sans-serif; font-size:16px">==841883== by 0x402465: MAIN__ (/data/work/rotplane/omega_to_zero/stability/test/tmp10/tmp3/tryme.F:40)</div>
<div class="" style="font-family:Calibri,Helvetica,sans-serif; font-size:16px">==841883== by 0x402221: main (in /data/work/rotplane/omega_to_zero/stability/test/tmp10/tmp3/trashy.exe)</div>
<div class="" style="font-family:Calibri,Helvetica,sans-serif; font-size:16px">==841883== Address 0x0 is not stack'd, malloc'd or (recently) free'd</div>
<span class="" style="font-family:Calibri,Helvetica,sans-serif; font-size:16px">==841883== </span>
<div class=""><font class="" size="3" face="Calibri, Helvetica,
sans-serif"><br class="">
</font></div>
<div class=""><font class="" size="3" face="Calibri, Helvetica,
sans-serif">This exactly points to the error and suggests you to take a look at </font><span class="" style="font-family:Calibri,Helvetica,sans-serif; font-size:16px">/data/work/slepc/PETSC/petsc-3.14.5/src/sys/error/ftn-custom/zerrf.c,
line 109</span></div>
<div class=""><font class="" face="Calibri, Helvetica, sans-serif"><font class="" size="3">You are trying to write 4 bytes (most probably an int) where is not allowed.<br class="">
</font></font>
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<div class="">On Apr 9, 2021, at 12:32 PM, dazza simplythebest <<a href="mailto:sayosale@hotmail.com" class="">sayosale@hotmail.com</a>> wrote:</div>
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==841883== Invalid write of size 4</div>
<div class="" style="font-family:Calibri,Helvetica,sans-serif; font-size:16px; font-style:normal; font-variant-caps:normal; font-weight:normal; letter-spacing:normal; text-align:start; text-indent:0px; text-transform:none; white-space:normal; word-spacing:0px; text-decoration:none">
==841883== at 0x503E784: petscintview_ (/data/work/slepc/PETSC/petsc-3.14.5/src/sys/error/ftn-custom/zerrf.c:109)</div>
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==841883== by 0x40262C: all_stab_routines_mp_write_rows_to_petsc_matrix_ (/data/work/rotplane/omega_to_zero/stability/test/tmp10/tmp3/tryme.F:17)</div>
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==841883== by 0x402465: MAIN__ (/data/work/rotplane/omega_to_zero/stability/test/tmp10/tmp3/tryme.F:40)</div>
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==841883== by 0x402221: main (in /data/work/rotplane/omega_to_zero/stability/test/tmp10/tmp3/trashy.exe)</div>
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==841883== Address 0x0 is not stack'd, malloc'd or (recently) free'd</div>
<span class="" style="font-family:Calibri,Helvetica,sans-serif; font-size:16px; font-style:normal; font-variant-caps:normal; font-weight:normal; letter-spacing:normal; text-align:start; text-indent:0px; text-transform:none; white-space:normal; word-spacing:0px; text-decoration:none; float:none; display:inline!important">==841883==<span class="x_Apple-converted-space"> </span></span></div>
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