[postgis-users] shp2pgsql segfault and gdb

[Jorg Heymans]

In case it matters, here is the version info

POSTGIS="1.0.3" GEOS="2.1.4" PROJ="Rel. 4.4.9, 29 Oct 2004" USE_STATS
DBPROC="0.3.0" RELPROC="0.3.0"

Jorg Heymans wrote:
> Hi,
> 
> shp2pgsql segfaults on several of our shapefiles.
> 
> Here is a backtrace from gdb :
> 
> MULTILINESTRING 1739 as 1 vertices, set to NULL
> MULTILINESTRING 1784 as 1 vertices, set to NULL
> 
> Program received signal SIGSEGV, Segmentation fault.
> 0x4008f6e5 in mallopt () from /lib/libc.so.6
> (gdb) backtrace
> #0  0x4008f6e5 in mallopt () from /lib/libc.so.6
> #1  0x4008f0b3 in calloc () from /lib/libc.so.6
> #2  0x0804b5d5 in SHPReadObject (psSHP=0x8054050, hEntity=1786) at
> shpopen.c:1376
> #3  0x0804ecaf in LoadData () at shp2pgsql.c:631
> #4  0x0804e781 in main (ARGC=7, ARGV=0x2) at shp2pgsql.c:408
> 
> 
> I remember someone posting a tutorial here on how to use gdb to pinpoint
> exactly where a program segfaults but i couldn't find it anymore.
> 
> It would help if i could get the exact record number from gdb where it
> fails, is this possible?
> 
> Regards
> Jorg
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