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Le 18/05/2011 17:11, Acero Fernandez Alicia a écrit :
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<title>segfault with galib</title>
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<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial; color: navy;">Hello,<o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial; color: navy;"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial; color: navy;"
lang="EN-GB">I have to call a function
from the objective function and something extrange happens
because when I call
this function the error appears and it disappears when I
take out the function.<o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial; color: navy;"
lang="EN-GB"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial; color: navy;"
lang="EN-GB">Could anyone help me,
please?<o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial; color: navy;"
lang="EN-GB"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial; color: navy;"
lang="EN-GB">Regards</span></font></p>
</div>
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<font color="navy" face="Arial" size="2"><span style="font-size:
10pt; font-family: Arial; color: navy;" lang="EN-GB"><o:p> </o:p></span></font>
<blockquote
cite="mid:50C74E87FB16FB4F9356E175CA15423E052969E1@STR.ciemat.es"
type="cite">
<div class="Section1">
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial; color: navy;"
lang="EN-GB"><o:p> </o:p></span></font></p>
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<p class="MsoNormal"><b><font face="Tahoma" size="2"><span
style="font-size: 10pt; font-family: Tahoma;
font-weight: bold;">De:</span></font></b><font
face="Tahoma" size="2"><span style="font-size: 10pt;
font-family: Tahoma;">
<a class="moz-txt-link-abbreviated" href="mailto:galib-bounces@mit.edu">galib-bounces@mit.edu</a> [<a class="moz-txt-link-freetext" href="mailto:galib-bounces@mit.edu">mailto:galib-bounces@mit.edu</a>] <b><span
style="font-weight: bold;">En nombre de </span></b>Acero
Fernandez Alicia<br>
<b><span style="font-weight: bold;">Enviado el:</span></b>
miércoles, 18 de mayo
de 2011 16:09<br>
<b><span style="font-weight: bold;">Para:</span></b>
<a class="moz-txt-link-abbreviated" href="mailto:galib@mit.edu">galib@mit.edu</a><br>
<b><span style="font-weight: bold;">Asunto:</span></b>
[galib] segfault with
galib</span></font><o:p></o:p></p>
</div>
<p class="MsoNormal"><font face="Times New Roman" size="3"><span
style="font-size: 12pt;"><o:p> </o:p></span></font></p>
<p class="MsoNormal" style="margin-bottom: 12pt;"><font
face="Times New Roman" size="3"><span style="font-size:
12pt;"><o:p> </o:p></span></font></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt;
font-family: Arial;" lang="EN-GB">Hello,</span></font><o:p></o:p></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt;
font-family: Arial;" lang="EN-GB">Could anyone help me?</span></font><span
lang="EN-GB"> </span><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;" lang="EN-GB">I
am trying to use galib with a c++ code but</span></font><span
lang="EN-GB"> </span><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;" lang="EN-GB">I</span></font><span
lang="EN-GB"> </span><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;" lang="EN-GB">only</span></font><span
lang="EN-GB"> </span><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;" lang="EN-GB">get</span></font><span
lang="EN-GB"> </span><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;" lang="EN-GB">a
segfault. I tried to analyse it with valgrind and I
can see the following:</span></font></p>
</div>
</blockquote>
<font face="Arial" size="2"><span style="font-size: 10pt;
font-family: Arial;" lang="EN-GB"> Use of uninitialised value of
size 8</span></font><br>
<font face="Arial" size="2"><span style="font-size: 10pt;
font-family: Arial;" lang="EN-GB">Invalid read of size 8</span></font><br>
<font face="Arial" size="2"><span style="font-size: 10pt;
font-family: Arial;" lang="EN-GB">Address 0x141 is not stack'd,
malloc'd or (recently)
free'd</span></font><br>
<font face="Arial" size="2"><span style="font-size: 10pt;
font-family: Arial;" lang="EN-GB">Process terminating with
default action of signal 11 (SIGSEGV)<br>
<br>
Your function missed to allocate mem to a pointer before
affectation ? (use new and delete)<br>
<br>
Regards, P.<br>
<br>
<br>
<br>
<br>
</span></font>
<blockquote
cite="mid:50C74E87FB16FB4F9356E175CA15423E052969E1@STR.ciemat.es"
type="cite">
<div class="Section1">
<p><o:p></o:p></p>
<p class="MsoNormal" style="margin-bottom: 12pt;"><font
face="Times New Roman" size="3"><span style="font-size:
12pt;"><o:p> </o:p></span></font></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt;
font-family: Arial;" lang="EN-GB">==5419== Use of
uninitialised value of size 8</span></font><o:p></o:p></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt;
font-family: Arial;" lang="EN-GB">==5419== at 0x41D112:
ClusterSimulator::simulate(std::vector<unsigned int,
std::allocator<unsigned int> > const&) (in
/home/u5077/simulador/Scheduling/Simulator/schedulers)</span></font><o:p></o:p></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt;
font-family: Arial;" lang="EN-GB">==5419== by 0x42E0FF:
Objective(GAGenome&) (in
/home/u5077/simulador/Scheduling/Simulator/schedulers)</span></font><o:p></o:p></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt;
font-family: Arial;" lang="EN-GB">==5419== by 0x4417A3:
GAGenome::evaluate(_GABoolean)
const (GAGenome.C:83)</span></font><o:p></o:p></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt;
font-family: Arial;" lang="EN-GB">==5419== by 0x43DFC8:
GAPopulation::DefaultEvaluator(GAPopulation&)
(GAPopulation.C:38)</span></font><o:p></o:p></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt;
font-family: Arial;" lang="EN-GB">==5419== by 0x43D180:
GAPopulation::evaluate(_GABoolean)
(GAPopulation.h:123)</span></font><o:p></o:p></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt;
font-family: Arial;" lang="EN-GB">==5419== by 0x43C500:
GASimpleGA::initialize(unsigned
int) (GASimpleGA.C:148)</span></font><o:p></o:p></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt;
font-family: Arial;" lang="EN-GB">==5419== by 0x434A5B:
GAGeneticAlgorithm::evolve(unsigned int) (GABaseGA.h:136)</span></font><o:p></o:p></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt;
font-family: Arial;" lang="EN-GB">==5419== by 0x42E3D3:
pruebas(std::vector<unsigned
int, std::allocator<unsigned int> > const&)
(in
/home/u5077/simulador/Scheduling/Simulator/schedulers)</span></font><o:p></o:p></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt;
font-family: Arial;" lang="EN-GB">==5419== by 0x42EB1B:
main (in
/home/u5077/simulador/Scheduling/Simulator/schedulers)</span></font><o:p></o:p></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt;
font-family: Arial;" lang="EN-GB">==5419==</span></font><o:p></o:p></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt;
font-family: Arial;" lang="EN-GB">==5419== Invalid read of
size 8</span></font><o:p></o:p></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt;
font-family: Arial;" lang="EN-GB">==5419== at 0x41D112:
ClusterSimulator::simulate(std::vector<unsigned
int, std::allocator<unsigned int> > const&)
(in
/home/u5077/simulador/Scheduling/Simulator/schedulers)</span></font><o:p></o:p></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt;
font-family: Arial;" lang="EN-GB">==5419== by 0x42E0FF:
Objective(GAGenome&) (in
/home/u5077/simulador/Scheduling/Simulator/schedulers)</span></font><o:p></o:p></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt;
font-family: Arial;" lang="EN-GB">==5419== by 0x4417A3:
GAGenome::evaluate(_GABoolean)
const (GAGenome.C:83)</span></font><o:p></o:p></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt;
font-family: Arial;" lang="EN-GB">==5419== by 0x43DFC8:
GAPopulation::DefaultEvaluator(GAPopulation&)
(GAPopulation.C:38)</span></font><o:p></o:p></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt;
font-family: Arial;" lang="EN-GB">==5419== by 0x43D180:
GAPopulation::evaluate(_GABoolean) (GAPopulation.h:123)</span></font><o:p></o:p></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt;
font-family: Arial;" lang="EN-GB">==5419== by 0x43C500:
GASimpleGA::initialize(unsigned
int) (GASimpleGA.C:148)</span></font><o:p></o:p></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt;
font-family: Arial;" lang="EN-GB">==5419== by 0x434A5B:
GAGeneticAlgorithm::evolve(unsigned int) (GABaseGA.h:136)</span></font><o:p></o:p></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt;
font-family: Arial;" lang="EN-GB">==5419== by 0x42E3D3:
pruebas(std::vector<unsigned
int, std::allocator<unsigned int> > const&)
(in /home/u5077/simulador/Scheduling/Simulator/schedulers)</span></font><o:p></o:p></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt;
font-family: Arial;" lang="EN-GB">==5419== by 0x42EB1B:
main (in
/home/u5077/simulador/Scheduling/Simulator/schedulers)</span></font><o:p></o:p></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt;
font-family: Arial;" lang="EN-GB">==5419== Address 0x141
is not stack'd, malloc'd or (recently)
free'd</span></font><o:p></o:p></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt;
font-family: Arial;" lang="EN-GB">==5419==</span></font><o:p></o:p></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt;
font-family: Arial;" lang="EN-GB">==5419==</span></font><o:p></o:p></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt;
font-family: Arial;" lang="EN-GB">==5419== Process
terminating with default action of signal 11 (SIGSEGV)</span></font><o:p></o:p></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt;
font-family: Arial;" lang="EN-GB">==5419== Access not
within mapped region at address 0x141</span></font><o:p></o:p></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt;
font-family: Arial;" lang="EN-GB">==5419== at 0x41D112:
ClusterSimulator::simulate(std::vector<unsigned int,
std::allocator<unsigned int> > const&) (in
/home/u5077/simulador/Scheduling/Simulator/schedulers)</span></font><o:p></o:p></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt;
font-family: Arial;" lang="EN-GB">==5419== by 0x42E0FF:
Objective(GAGenome&) (in
/home/u5077/simulador/Scheduling/Simulator/schedulers)</span></font><o:p></o:p></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt;
font-family: Arial;" lang="EN-GB">==5419== by 0x4417A3:
GAGenome::evaluate(_GABoolean)
const (GAGenome.C:83)</span></font><o:p></o:p></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt;
font-family: Arial;" lang="EN-GB">==5419== by 0x43DFC8:
GAPopulation::DefaultEvaluator(GAPopulation&)
(GAPopulation.C:38)</span></font><o:p></o:p></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt;
font-family: Arial;" lang="EN-GB">==5419== by 0x43D180:
GAPopulation::evaluate(_GABoolean) (GAPopulation.h:123)</span></font><o:p></o:p></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt;
font-family: Arial;" lang="EN-GB">==5419== by 0x43C500:
GASimpleGA::initialize(unsigned
int) (GASimpleGA.C:148)</span></font><o:p></o:p></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt;
font-family: Arial;" lang="EN-GB">==5419== by 0x434A5B:
GAGeneticAlgorithm::evolve(unsigned int) (GABaseGA.h:136)</span></font><o:p></o:p></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt;
font-family: Arial;" lang="EN-GB">==5419== by 0x42E3D3:
pruebas(std::vector<unsigned
int, std::allocator<unsigned int> > const&)
(in
/home/u5077/simulador/Scheduling/Simulator/schedulers)</span></font><o:p></o:p></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt;
font-family: Arial;" lang="EN-GB">==5419== by 0x42EB1B:
main (in
/home/u5077/simulador/Scheduling/Simulator/schedulers)</span></font><o:p></o:p></p>
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