>
> 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
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