Hello all I have the following problem: kernel: RGPVISAServer[15121]: segfault at 0000000000000000 rip 000000394dd2a089 rsp 0000000048c089f0 error 4 Im using Linux localhost 2.6.9-67.ELsmp #1 SMP Fri Nov 16 12:49:06 EST 2007 x86_64 x86_64 x86_64 GNU/Linux with gcc --version gcc (GCC) 3.4.6 20060404 (Red Hat 3.4.6-9) Copyright (C) 2006 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. CentOS release 4.6 (Final) on a dual quad core with 3 Gb RAM Anybody can give me a clue about this ? Im compiling from a make with these lines inside makefile: COMPILER=gcc -g -Wall -O3 -I/usr/include/libxml2/ LIBS=-lpq -lpthread -lssl -lcrypto -lxml2 Maybe i must compile without optimization ?? Thanks -- Saludos.- Leonardo Santagostini