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Operating Systems Linux gcc compiled executable not working across x86_64 linux platforms Post 302225184 by same1290 on Thursday 14th of August 2008 07:31:40 PM
Old 08-14-2008
gcc compiled executable not working across x86_64 linux platforms

Hi
I compiled a hello world program on two different 64-bit Linux machines, named quimby and node0331. When I compile on quimby and run on node0331 I get a "Floating exception (core dumped)" error. But if I do it in reverse, things work fine.

Here's my compilation on quimby:

$ uname -a
Linux quimby 2.6.18-8.1.15.el5 #1 SMP Mon Oct 22 08:32:28 EDT 2007 x86_64 x86_64 x86_64 GNU/Linux

$ cat hello.c
#include <stdio.h>
int main()
{
printf("Hello World\n");

return 0;
}

$ gcc -c hello.c -o hello.o ;
$ gcc -o hello hello.o
$ ./hello
Hello World

The I go to node0331 and run there:

$ uname -a
Linux node0331 2.6.9-42.0.3.ELsmp #1 SMP Fri Oct 6 06:28:26 CDT 2006 x86_64 x86_64 x86_64 GNU/Linux

$ ./hello
Floating exception (core dumped)

But again if I do this in reverse, things work fine. Has anyone ever experienced this problem.

Thanks in advance,

Sam
 

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reposync(1)															       reposync(1)

NAME
reposync - synchronize yum repositories to a local directory SYNOPSIS
reposync [options] DESCRIPTION
reposync is used to synchronize a remote yum repository to a local directory, using yum to retrieve the packages. OPTIONS
-h, --help Display a help message, and then quit. -c CONFIG, --config=CONFIG Config file to use (defaults to /etc/yum.conf). -a ARCH, --arch=ARCH Act as if running the specified arch (default: current arch, note: does not override $releasever. x86_64 is a superset for i*86.). --source Also download .src.rpm files. -r REPOID, --repoid=REPOID Specify repo ids to query, can be specified multiple times (default is all enabled). -t, --tempcache Use a temp dir for storing/accessing yum-cache. -p DESTDIR, --download_path=DESTDIR Path to download packages to: defaults to current directory. -g, --gpgcheck Remove packages that fail GPG signature checking after downloading. exit status is '1' if at least one package was removed. -u, --urls Just list urls of what would be downloaded, don't download. -l, --plugins Enable yum plugin support. -n, --newest-only Download only newest packages per-repo. -q, --quiet Output as little information as possible. EXAMPLES
Sync all packages from the 'updates' repo to the current directory: reposync --repoid=updates Sync only the newest packages from the 'updates' repo to the current directory: reposync -n --repoid=updates Sync packages from the 'updates' and 'extras' repos to the current directory: reposync --repoid=updates --repoid=extras Sync all packages from the 'updates' repo to the repos directory: reposync -p repos --repoid=updates Sync all packages from the 'updates' repo to the repos directory excluding x86_64 arch. Edit /etc/yum.conf adding option exclude=*.x86_64. Then: reposync -p repos --repoid=updates FILES
reposync uses the yum libraries for retrieving information and packages. If no configuration file is specified, the default yum configura- tion will be used. /etc/yum.conf /etc/yum/repos.d/ SEE ALSO
yum.conf (5) http://yum.baseurl.org/ AUTHORS
See the Authors file included with this program. BUGS
There are of course no bugs, but should you find any, you should first consult the FAQ section on http://yum.baseurl.org/wiki/Faq and if unsuccessful in finding a resolution contact the mailing list: yum-devel@lists.baseurl.org. To file a bug use http://bugzilla.redhat.com for Fedora/RHEL/Centos related bugs and http://yum.baseurl.org/report for all other bugs. 27 April 2007 reposync(1)
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