>
> Hello,
> I spent the weekend trying to track down the reason why Linux (any
> recent version), complied for a 486-SX (no FPU), will not boot.
> It crashes during startup, about the time it looks for a PCI bus.
>
> The C Compiler (version 2.8.1) was compiled on a i686 machine. If I
> recompile on a '486, it will generate a Linux image that boots okay.
>
> So it looks as though the C Compiler, compiled on a 686, generates 686
> machine-code instructions. I don't think this is the correct behavior
> because the gcc command-line contains -m486.
>
> So, is there the possibility that something from the gcc library gets
> linked into the kernel? If so, how would I prevent it from happening?
Probably bug in gcc. Please add -mcpu=i486 and recompile Linux kernel on
i686.
If works add this as workaround for i386 arch.
On gcc 2.95.1 on i586 -m486 is equivalent to -m486 -mcpu=i486
Wiget
-- __ __ _ _ / / /\ \ (_) __ _ ___| |_ @__mail: Artur Frysiak \ \/ \/ / |/ _` |/ _ \ __| Rudlice 10 \ /\ /| | (_| | __/ |_ 98-311 Ostrowek \/ \/ |_|\__, |\___|\__| |___/ email: Wiget@t17.ds.pwr.wroc.pl PGP key: http://www.t17.ds.pwr.wroc.pl/~wiget/pgp.key Fingerprint16 = 70 DB E0 2D 12 AB C7 31 B6 58 B5 61 B3 98 B6 E6- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/