Programming :: Program Giving Segmentation Fault?

Dec 25, 2010

My program is to find the values of variables using matrices and in matrices using GAUSS ELIMINATION method. It gives segmentation fault then I input the values of coefficients of the variables.

#include<stdio.h>
void main()
{
int n;
int i,j,l;
float m;

[Code]...

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Programming :: Segmentation Fault While Trying To Run C Program

Jul 28, 2011

i wrote a program to fill an array with 100 random numbers ranging from 1 - 200. i compiled the program using gcc. the program successfully compiled but when i try to run it i get a segmentation fault. here is the code. i put *** on the line that gdb indicated was the problem.

#include <stdio.h>
#include<stdlib.h>
#include<time.h>

[code]....

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Programming :: Segmentation Fault In Program At Run Time?

Oct 16, 2010

I am making a program to do a breadth first search.The code which I am posting here just makes a que of the nodes visited in a binary tree in inorder fashion,so this implementation is not yet complete.While developing I got a segmentation fault which I was not able to understand why I am getting so I am posting since the tree of same program (without BFS) is working.

Code:
#include<stdio.h>
#include<stdlib.h>

[code]...

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Programming :: C - When Write A Program That Gives The Segmentation Fault Error

Jun 9, 2010

I am using Ubuntu 9.04 linux 2.6.28-11-generic. When I write a program that gives the "Segmentation fault" error, or when I send this signal (SIGSEGV) to a program, the "Segmentation fault" is shown and no core dumped. When I look for "core" file in the current directory, I can't find it, too.

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Programming :: Short C++ Program Segmentation Fault. Using GCC 4.4.5 On Ubuntu 32bit?

Jun 12, 2011

I'm very excited to post a question, since I always do everything by myself. I'm reading several lines from a text file using istream::getline(char *, streamsize n). I get the file name from the command line. Here is the code:

Code:
#include <iostream>
#include <fstream>
using namespace std;
int main ( int argc, char *argv[])

[Code]...

Using GCC 4.4.5 on Ubuntu 32bit Btw: I know assembly language and know what a segmentation fault is

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Programming :: Run Program That Distributes Grades And Puts It In A Table - Keep Getting Segmentation Fault

Apr 19, 2011

I'm trying to run my program that distributes grades and puts it in a table. The code compiles but when I run it I get a Segmentation Fault. I'm still new to arrays, but I think the issue is where I'm trying to make the table. Here is my code:

Code:

#include <stdio.h>
#include "constant.h"
int readValues(int[]);
int findMedian(int[], int);

[code]....

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General :: Code Is Giving Segmentation Fault

Apr 15, 2010

The following code is giving segmentation fault.

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Debian Multimedia :: Skype Giving Segmentation Fault Error On Terminal

Aug 17, 2011

I had Skype debian_2.2.0.35-1_amd64 on my Debian 2.6.32-5 amd64 and it was working without any problem. After re-installing my gnome desktop environment, my skype stopped working. I tried to re-install it. I found out it re-installs without any error but it doesn't launch and gives me "segmentation fault" error on terminal. I purged skype, deleted the .skype folder and installed it again with no luck. when I try to re-install skype via software center it says: "Sorry, 'skype' is not available for this type of computer (amd64)." what should I do to have the skype working on my system again?

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General :: Execute A C Program - Segmentation Fault

Nov 17, 2009

I am using RHEL, and trying to execute a c program.I'm able to compile properly and execute until i reach a function getHandle, where the program gives a segmentation fault. Segmentation fault occurs in getHandle().

Here is the code:

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Software :: X-server Segmentation Fault On Program Launching?

Apr 14, 2010

Having upgraded Debian Linux i386 squeeze release from kernel 2.6.30 to 2.6.32 everything works except X-server segmentation fault on launching a graphic program (CHIMERA, [URL]... I have successfully recompiled CHIMERA on the updated Linux, to no avail.

Below - between *** - the final part of "Xorg.0.log" reporting troubles. Before that, the log is identical to when X-server is working properly (reported in full between ).

[Code]...

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Slackware :: Program Segmentation Fault When Building With A Slackbuild?

Nov 25, 2010

So I've wanting to try out the new development branch of compiz (0.9). I made some slackbuilds a while back and installed all of the necessary packages for the compiz window manager. However when ever I tried to launch the program using "compiz --replace ccp &" I would get a segmentation fault. I forgot about it but today I decided to give it another go and after a few hours I decided to try and see what would happen if I just built compiz-core from source with out using a slackbuild, and sure enough it now works. I have hacked the script trying different combinations to try and make it work but no matter what I try unless I install from scratch (directly into the tree) it will not work. If anyone has any ideas on how to fix this so I can make an actual slack package please let me know. Also I used the main developers forum post as a referencem you can view his instructions here [URL]..

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Ubuntu :: Program Received Signal SIGSEGV, Segmentation Fault?

Mar 6, 2010

I'm debugging some C++ code, but as I know very little about it, I can't find the problem.Here the debugging output:

Quote:

rihab@rihab-laptop:~/ns-test$ gdb ns
(gdb) run /home/rihab/ns-allinone-2.34/ns-2.34/OWNS/demos/owns_demo.tcl[code].....

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Programming :: What Is The Segmentation Fault

Apr 19, 2011

I using a linux kernel v2.6.26.something. Distribution: OpenSuse 10.3. While writing a c program on linux in KATE, i used character pointers to declare a string like, for ex: " char *temp " but compilation with gcc gives me the error," Segmentation Fault " what is segmentation Fault Why does it occur or what are the reasons behind it?

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Programming :: Socket And Segmentation Fault

Jul 16, 2010

I am programming an application with an ARM device with an embedded version of Linux. My application talks to a java application via socket. If there is any connection problems, it attempts the connection again. My problem is that after exactly 146 times, there is a Segmentation Fault. Apparently this happens in opening the socket, which is not successful after this amount of attempts.

Following, some code that I'm using:

The function for openning the socket and perform a connection:

Code:

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Programming :: [C] Segmentation Fault If Optimized?

Feb 15, 2011

I wrote a small c-code, which is based on a pseudorandom-alogrithm from the internet[URL]If i compile the code with "gcc test.c -o test -O2" the output is: "4194449".That's ok.I can compile the code without optimizations and the outut is the same.But if i compile the code with "gcc test.c -o test -O3" it creates a segmentation fault. But why? why this happens?Here the code:

Code:
#include <stdio.h>
// Code based on http://www.dreamincode.net/code/snippet342.htm

[code]....

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Programming :: How To Create Segmentation Fault?

Jun 16, 2010

simple program to create a segmentation fault:my problem is if i include the same code char *s="hello world"; *s='H'; in my project, it is not giving any seg fault, instead it runs without any problem. what may be the issue.

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Programming :: Why Red Hat Cannot Log Segmentation Fault In Any Of Log Files

Sep 16, 2010

I would just like to ask why my red hat cannot log a segmentation fault in any of the log files located in / var/ log. I purposely tried executing a C++ program that segfaults but nothing was logged.

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Programming :: Segmentation Fault Error And GDB

Jul 23, 2010

When I compile my C program on SUSE, I receive a segmentation fault error. To my knowledge, this occurs when a program tries to recall memory but is not allowed to. So I'm using GDB for the first time to solve this problem. After a series of commands, I reach this point:

Code:
#0 0x00002b13e1bab127 in getdelim () from /lib64/libc.so.6
#1 0x000000000040167b in main () at dmsp_cusp.c:158

Here's the offending code in dmsp_cusp.c:
Code:
157 printf("enter the input file name:");
158 getline(in_fname);
159 fp3 = fopen(in_fname, "r");
160 if(fp3 == NULL) {
161 printf("can't open input file %s",in_fname);
162 exit(1); }

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Programming :: Segmentation Fault During The Memcpy()

Feb 20, 2010

Why is this giving me a segmentation fault ?

Code:

#include<stdio.h>
#include<string.h>
#include<malloc.h>
int main ()

[code]....

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Programming :: STD Sort With G++ - O3 Segmentation Fault

Jan 27, 2010

I have program like this:

Code:

with 'gcc -g' it runs well, but with 'gcc -g -O3' (with -O2 too) it crash.

output is something like this:

Code:

and gdb says

Code:

Why it try to compare something at address 0x209 when this address is not in the vector?

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Programming :: Getting Segmentation Fault Error?

Jul 1, 2010

I am getting Segmentation fault error .Dont know where it is

Code:
#include <unistd.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>

[Code]....

Getting Segmentation fault

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Programming :: What Can Trigger A Segmentation Fault

Jan 15, 2010

I have this basic program that is supposed to scan a string for a delimiter and output which segment of the string the user wants, like awk '{print $2}'. The problem is, I always get a segmentation fault when I run the code and I can't figure out what triggered it.

Here is my code:

Code:

int main(void) {
char *string = "my name is joe";
char dlimit = ' ', *good;
int index = 2, round = 0;
int i, place = 0, t;

[code]....

It keeps track of how many times the delimiter was found with round, and the position of the last found delimiter with place. index is to specify which segment of the string the user wants. One more thing, is it necessary to manually allocate memory with malloc() or calloc() when you can just initialize a variable and it be fine? Like:

Code:

int z = malloc(sizeof(int));
when you can:
int z;

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Programming :: Server Is Crashing With Segmentation Fault?

May 2, 2011

I am getting below information from the core file on our production servers. one of our server is crashing with segmentation fault .Program terminated with signal 11, Segmentation fault.

#0 0x00b24332 in _int_malloc () from /lib/libc.so.6
(gdb) where
#0 0x00b24332 in _int_malloc () from /lib/libc.so.6

[code]....

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Programming :: Segmentation Fault After Second Dlopen() Attempt?

Feb 7, 2010

The game is quite old (2002!) and I'm trying to mod the old version of it (1.02a), the jk2ded server linux binary.The game engine loads my mod's .so file which I compiled using:

Code:

gcc -shared -static -g -fPIC g_syscalls.c common.c main.c -o out/jk2mpgamei386.so
So whilst launching the server for the first time, it loads the .so file using dlopen() without problems and the output is:

Code:

Loading dll file jk2mpgame.
Sys_LoadDll(/web/web11/jk2/base/jk2mpgamei386.so)...
Sys_LoadDll(jk2mpgame) found **vmMain** at 0xb2ed9413
Sys_LoadDll(jk2mpgame) succeeded!
[ NT's Fix ] GAME_INIT

and then it works correctly until I try to change the map the server is on currently.When a map changes on the server,the .so file has to be unloaded.After unloading with dlclose() without errors, when the new map is launched the engine tries to reload the .so into the memory with dlopen() but fails:

Code:

map_restart 0
Cvar_Set2: sv_serverid 78710500
==== ShutdownGame ====

[code]....

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Programming :: Getting Segmentation Fault Using Shared Memory?

Jan 8, 2011

I'm writing a producer-consumer program, where the producer and the consumer are different processes and they communicate using queued signals, and when I run it it comes out always 'segmentation fault'.

Here is my code:

(note: I tried using both 'shm_open()' and 'mmap()', and 'shmget()' and shmat()')

Code:

#include <stdio.h>
#include <stdlib.h>
#include <signal.h>

[code]....

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Programming :: Segmentation Fault While Sending UDP Packets?

Jul 16, 2009

The following piece of code is suppose to send a UDP packet.but inside function udpsocketinit , i get a segmentation fault and i can not understand why

Code:
#include <arpa/inet.h>
#include <netinet/in.h>

[code]...

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Programming :: Segmentation Fault With Popen And Fgetws?

Dec 12, 2010

Is it ok to read a process output with fgetws? I get segmentation fault when I try that.

Code:
#include <iostream>
#include <cstdio>
int main()
{
wchar_t line[4096];

[Code]...

I can read the output from the process if I use fgets instead of fgetws.But I am getting special characters in the output for some commands, that is why I wanted to try with fgetws.

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Programming :: Vsprintf Causing Segmentation Fault?

Jan 8, 2011

I'm working on some code which suddenly is causing a segmentation on vsprintf. This was working before, so I cut and pasted some code from vsprintf function at the cplusplus site and even this is causing a problem. Anyway the example is

Code:

void PrintFError (const char * format, ...)
{
char buffer[256];
va_list args;

[code]....

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Programming :: Segmentation Fault" Due To The Volumn Of Data?

Jun 18, 2010

I downloaded the C4.5 code from web, and it works fine with me. But when I use it to treat large data, it has error message like "segmentation fault". While, I think it is not due to the volumn of data. Is that a bug? so what is the general problem of "segmentation fault"?

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Programming :: C: Segmentation Fault When Freeing Allocated 2D Array?

Jun 1, 2011

I know that seems to be a common question, but information from the web does not So problem is in the title.

Here is what I do:

First I declare the pointers.
Code:
double **rijx,**rijy,**rijz;
Then I allocate the require memory.

[Code]...

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