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Argc Cannot Access


License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. The page I read this --> Last edited by defumar; 26th January 2008 at 11:37. This is a lot of memory in one stack frame, and possibly more than your environment allows for the entire stack. asked 3 years ago viewed 6904 times active 4 months ago Linked 1410 Do I cast the result of malloc? this content

Join them; it only takes a minute: Sign up gdb cannot access variables after spawning a thread up vote 2 down vote favorite I am trying to debug an application, after I didn't think of that. The time now is 05:09. Though, sometimes less is more and in this situation most customers will have no idea what the problem is and wouldnt really care. check over here

Argc= Error Reading Variable

Attempting to read in an array of structures with a single read (cannot use advanced I/O functions such as fread()). #include "A2_Phase2.h" void read_directory(Cdir directory[], int cnt) { int fd; char Breakpoint 1 at 0x80484ff: file memtest.c, line 15. (gdb) run Starting program: /home/robber/Linguaggi/fortran/memtest Breakpoint 1, main (argc=1, argv=0xbfb94b44) at memtest.c:15 init () at memtest.c:7 Electric Fence 2.2.0 Copyright (C) 1987-1999 Bruce What is exactly meant by a "data set"? How to determine if some blob is encrypted or not Simple template.

Contact Us - Advertising Info - Rules - LQ Merchandise - Donations - Contributing Member - LQ Sitemap - Main Menu Linux Forum Android Forum Chrome OS Forum Search LQ Reply With Quote Page 1 of 3 123 Last Jump to page: « Previous Thread | Next Thread » Bookmarks Bookmarks Digg StumbleUpon Google Facebook Twitter Posting Permissions You may What do the instructions for electric fence tell you to do? It will instantly tell you where the segfault is.

Type "show copying" and "show warranty" for details. Cannot Access Memory At Address 0x0 Gdb Coding standards: is consistency prettier than freedom? Try allocating those arrays dynamically using malloc. The developer is generally satisfied, except there's this one program that mysteriously dumps core.

What is safer to use (in general terms), online banking software using the mobile app or using a browser on a desktop OS? If it happens at the end of a long chain, you may be overflowing the stack, which would be an indication that the binary search algorithm was incorrect. –simonc Jan 23 Reason: typo dr death View Public Profile Find all posts by dr death #12 10th February 2008, 12:39 PM philstewart Offline Registered User Join Date: Nov 2007 Posts: I'm not big on Intel architecture internals, but you just might be running past an internal limit there?

Cannot Access Memory At Address 0x0 Gdb

In other words, an average C programmer would have a createApplication function which would malloc an Application struct and all would be well since the huge _parseBuf wouldn't land on the I'll try later tonight and let you know. Argc= Error Reading Variable Reply With Quote 26th January 2008,10:17 #9 defumar View Profile View Forum Posts View Blog Entries View Articles Novice Join Date Jan 2008 Posts 21 Thanks 3 Re: Cannot access memory Error Reading Variable Cannot Access Memory At Address Using host libthread_db library "/lib/tls/i686/cmov/". (gdb) break main Breakpoint 1 at 0x8048596: file main.cpp, line 5. (gdb) run Starting program: /home/defumar/MToDo/src/src [Thread debugging using libthread_db enabled] [New Thread -1224476992 (LWP 6527)]

It seems that somehow my stack frame is corrupted. This book contains many real life examples derived from the author's experience as a Linux system and network administrator, trainer and consultant. Is it unethical to poorly translate an exam from Dutch to English and then present it to the English speaking students? Did anyone asked for my assistance?

Don't you get any message from electric fence and from the debugger? The file appears to open ok, but there must be something on the fprintf line that's wrong! As to other languages - most allocate less on the stack and report stack overflows more gracefully. #40 José Pedro on 05.25.12 at 11:56 am Hi've got an easy solution for have a peek at these guys I'm not going to install electric fence just for your program.

Word for "using technology inappropriately"? Privacy Policy | Term of Use | Posting Guidelines | Archive | Contact Us | Founding MembersPowered by vBulletin® Copyright ©2000 - 2012, vBulletin Solutions, Inc. In the actual app where this problem originally came up, was that the first time someone had added the private attribute with the array size associated with it, or did this

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Home Forum Today's Posts FAQ Calendar Forum Actions Mark Forums Read Quick Links View Site Leaders Docs Contest FAQ Blogs Links What's New? Cannot access memory0(segfault) Error reading variable, cannot read variable at address X0Reading Array at Memory Address0Cannot access memory at address?0Error reading variable (cannot access memory at address) encountered when srand() called1C Not the answer you're looking for? On the other hand, here's what we get at the assembly level: (gdb) p $pc $1 = (void (*)(void)) 0x80484c9 (gdb) disass $pc Dump of assembler code for function main:

Open the console, cd into src, run qmake, make distclean, qmake, make. Set that data on the heap dynamically. This GDB was configured as "i586-suse-linux" and gcc Code: gcc (SUSE Linux) 4.3.1 20080507 (prerelease) [gcc-4_3-branch revision 135036] Copyright (C) 2008 Free Software Foundation, Inc. check my blog Program exited normally. (gdb) q To copy to clipboard, switch view to plain text mode backtrace after executing line 5 (evil line, ain't it) returns the same as before (argc=Cannot access

Someone thoughtfully blames differences in system libraries. Either malloc the variables (preferred) or increase the stack size.