Here we are: GRASS 6.4.0svn (patUTM32):~ > valgrind --tool=memcheck v.out.ascii phd_area_main_cities column=name ==26104== Memcheck, a memory error detector. ==26104== Copyright (C) 2002-2007, and GNU GPL'd, by Julian Seward et al. ==26104== Using LibVEX rev 1854, a library for dynamic binary translation. ==26104== Copyright (C) 2004-2007, and GNU GPL'd, by OpenWorks LLP. ==26104== Using valgrind-3.3.1, a dynamic binary instrumentation framework. ==26104== Copyright (C) 2000-2007, and GNU GPL'd, by Julian Seward et al. ==26104== For more details, rerun with: -v ==26104== ==26104== Conditional jump or move depends on uninitialised value(s) ==26104== at 0x4E4F408: db_enlarge_string (in /home/neteler/binaries/grass-6.4.0svn/lib/libgrass_dbmibase.6.4.0svn.so) ==26104== by 0x4E4F50C: set_string (in /home/neteler/binaries/grass-6.4.0svn/lib/libgrass_dbmibase.6.4.0svn.so) ==26104== by 0x4E4FD39: db_copy_value (in /home/neteler/binaries/grass-6.4.0svn/lib/libgrass_dbmibase.6.4.0svn.so) ==26104== by 0x54DC58D: db_select_value (in /home/neteler/binaries/grass-6.4.0svn/lib/libgrass_dbmiclient.6.4.0svn.so) ==26104== by 0x40210E: bin_to_asc (in /home/neteler/binaries/grass-6.4.0svn/bin/v.out.ascii) ==26104== by 0x402A79: main (in /home/neteler/binaries/grass-6.4.0svn/bin/v.out.ascii) ==26104== ==26104== Conditional jump or move depends on uninitialised value(s) ==26104== at 0x4E4F417: db_enlarge_string (in /home/neteler/binaries/grass-6.4.0svn/lib/libgrass_dbmibase.6.4.0svn.so) ==26104== by 0x4E4F50C: set_string (in /home/neteler/binaries/grass-6.4.0svn/lib/libgrass_dbmibase.6.4.0svn.so) ==26104== by 0x4E4FD39: db_copy_value (in /home/neteler/binaries/grass-6.4.0svn/lib/libgrass_dbmibase.6.4.0svn.so) ==26104== by 0x54DC58D: db_select_value (in /home/neteler/binaries/grass-6.4.0svn/lib/libgrass_dbmiclient.6.4.0svn.so) ==26104== by 0x40210E: bin_to_asc (in /home/neteler/binaries/grass-6.4.0svn/bin/v.out.ascii) ==26104== by 0x402A79: main (in /home/neteler/binaries/grass-6.4.0svn/bin/v.out.ascii) 664070.15136424|5103723.69345589|1|Trento 680631.89931785|5152080.37972013|2|Bolzano - Bozen 748566.88848245|5114436.80436153|3|Belluno 753217.48877466|5062320.47156408|4|Treviso 783478.0559796|5095956.26859946|5|Pordenone ==26104== ==26104== ERROR SUMMARY: 2 errors from 2 contexts (suppressed: 5 from 1) ==26104== malloc/free: in use at exit: 20,632 bytes in 186 blocks. ==26104== malloc/free: 495 allocs, 309 frees, 46,512 bytes allocated. ==26104== For counts of detected errors, rerun with: -v ==26104== searching for pointers to 186 not-freed blocks. ==26104== checked 779,376 bytes. ==26104== ==26104== LEAK SUMMARY: ==26104== definitely lost: 13,863 bytes in 103 blocks. ==26104== possibly lost: 0 bytes in 0 blocks. ==26104== still reachable: 6,769 bytes in 83 blocks. ==26104== suppressed: 0 bytes in 0 blocks. ==26104== Rerun with --leak-check=full to see details of leaked memory.
Doesn't tell me too much... :( I guess an extra trick is needed to include DBMI checking. Markus On Wed, Sep 9, 2009 at 12:14 PM, Soeren Gebbert<[email protected]> wrote: > Hello, > try valgrind: > > valgrind --tool=memcheck v.out.ascii phd_area_main_cities column=name > > Sören > > 2009/9/9 Markus Neteler <[email protected]> >> >> Hi, >> >> I get a Heisenbug [1] when exporting points from v.out.ascii with >> attributes >> (Scientific Linux, 64bit): >> >> GRASS 6.4.0svn (patUTM32):~ > v.out.ascii phd_area_main_cities column=name >> Segmentation fault >> >> GRASS 6.4.0svn (patUTM32):~ > gdb v.out.ascii >> GNU gdb Red Hat Linux (6.5-37.el5_2.2rh) >> ... >> This GDB was configured as "x86_64-redhat-linux-gnu"...(no debugging >> symbols found) >> Using host libthread_db library "/lib64/libthread_db.so.1". >> >> (gdb) r phd_area_main_cities column=name >> Starting program: >> /home/neteler/binaries/grass-6.4.0svn/bin/v.out.ascii >> phd_area_main_cities column=name >> (no debugging symbols found) >> ... >> (no debugging symbols found) >> [Thread debugging using libthread_db enabled] >> [New Thread 47548720613104 (LWP 7517)] >> (no debugging symbols found) >> [Detaching after fork from child process 7520. (Try `set detach-on-fork >> off'.)] >> 664070.15136424|5103723.69345589|1|Trento >> 680631.89931785|5152080.37972013|2|Bolzano - Bozen >> 748566.88848245|5114436.80436153|3|Belluno >> 753217.48877466|5062320.47156408|4|Treviso >> 783478.0559796|5095956.26859946|5|Pordenone >> Program exited normally. >> >> GRASS 6.4.0svn (patUTM32):~ > v.out.ascii phd_area_main_cities column=name >> Segmentation fault >> >> Yes, I didn't compile with -g because it is my production machine but >> since it works in GDB... >> >> Any idea how to debug this problem? >> >> thanks >> Markus >> >> [1] http://en.wikipedia.org/wiki/Unusual_software_bug#Heisenbug >> _______________________________________________ >> grass-dev mailing list >> [email protected] >> http://lists.osgeo.org/mailman/listinfo/grass-dev > > _______________________________________________ grass-dev mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-dev
