Hello,<br>try valgrind:<br><br>valgrind --tool=memcheck v.out.ascii phd_area_main_cities column=name<br><br>Sören<br><br><div class="gmail_quote">2009/9/9 Markus Neteler <span dir="ltr"><<a href="mailto:neteler@osgeo.org">neteler@osgeo.org</a>></span><br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Hi,<br>
<br>
I get a Heisenbug [1] when exporting points from v.out.ascii with attributes<br>
(Scientific Linux, 64bit):<br>
<br>
GRASS 6.4.0svn (patUTM32):~ > v.out.ascii phd_area_main_cities column=name<br>
Segmentation fault<br>
<br>
GRASS 6.4.0svn (patUTM32):~ > gdb v.out.ascii<br>
GNU gdb Red Hat Linux (6.5-37.el5_2.2rh)<br>
...<br>
This GDB was configured as "x86_64-redhat-linux-gnu"...(no debugging<br>
symbols found)<br>
Using host libthread_db library "/lib64/libthread_db.so.1".<br>
<br>
(gdb) r phd_area_main_cities column=name<br>
Starting program:<br>
/home/neteler/binaries/grass-6.4.0svn/bin/v.out.ascii<br>
phd_area_main_cities column=name<br>
(no debugging symbols found)<br>
...<br>
(no debugging symbols found)<br>
[Thread debugging using libthread_db enabled]<br>
[New Thread 47548720613104 (LWP 7517)]<br>
(no debugging symbols found)<br>
[Detaching after fork from child process 7520. (Try `set detach-on-fork off'.)]<br>
664070.15136424|5103723.69345589|1|Trento<br>
680631.89931785|5152080.37972013|2|Bolzano - Bozen<br>
748566.88848245|5114436.80436153|3|Belluno<br>
753217.48877466|5062320.47156408|4|Treviso<br>
783478.0559796|5095956.26859946|5|Pordenone<br>
Program exited normally.<br>
<br>
GRASS 6.4.0svn (patUTM32):~ > v.out.ascii phd_area_main_cities column=name<br>
Segmentation fault<br>
<br>
Yes, I didn't compile with -g because it is my production machine but<br>
since it works in GDB...<br>
<br>
Any idea how to debug this problem?<br>
<br>
thanks<br>
Markus<br>
<br>
[1] <a href="http://en.wikipedia.org/wiki/Unusual_software_bug#Heisenbug" target="_blank">http://en.wikipedia.org/wiki/Unusual_software_bug#Heisenbug</a><br>
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</blockquote></div><br>