Program compiled using FC6 g++ crash in FC5

[Kam Leo]

On 11/16/06, David Scriven <davidwriter at yahoo.com> wrote:
> I have two programs that when compiled under the latest version of g++:
> gcc version 4.1.1 20061011 (Red Hat 4.1.1-30) work perfectly
> under FC6 but give the error 'Floating point exception' when run under FC5.
> (The version of g++ in FC5 is 4.1.1 20060525 (Red Hat 4.1.1.-1)
>
> When one runs a gdb (in FC5) on either program you get:
> (gdb) run
> Starting program: prepdata
> Reading symbols from shared object read from target memory...done.
> Loaded system supplied DSO at 0x9c8000
>
> Program received signal SIGFPE, Arithmetic exception.
> 0x00ad2396 in do_lookup_x () from /lib/ld-linux.so.2
> (gdb) where
> #0  0x00ad2396 in do_lookup_x () from /lib/ld-linux.so.2
> #1  0x00ad2719 in _dl_lookup_symbol_x () from /lib/ld-linux.so.2
> #2  0x00ad3eca in _dl_relocate_object () from /lib/ld-linux.so.2
> #3  0x00acc840 in dl_main () from /lib/ld-linux.so.2
> #4  0x00adc6f7 in _dl_sysdep_start () from /lib/ld-linux.so.2
> #5  0x00aca2b6 in _dl_start () from /lib/ld-linux.so.2
> #6  0x00ac9847 in _start () from /lib/ld-linux.so.2
>
> which seems to be some type of load error, since the program
> doesn't seem to have started yet.
>
> When compiled under FC5 g++, the program also works properly.
> The FC6 machine is an Intel Core 2 Duo, the FC5 machines have
> Intel 950 (Dual core) chips and are running smp kernels.
>
> Is this an incompatibility? - a bug?
>

Do you have the same kernel, i.e. i386 vs. x86_64,  on both systems?