It might help if I attached the patch.  Here it is...

David Daney wrote:

> I am getting a SIGTRAP whenever an integer divide by 0 happens.  It 
> should be sending SIGFPE.
>
> It looks like kernel/traps.c is a little messed up.
>
> The attached patch fixes it for me.
>
> The decoding of the break instruction was selecting the wrong bits.  
> It looks like the trap instruction decoding was messed up also.  The 
> patch fixes trap also, but I could not figure out how to get gcc to 
> generate the trap form of division, so that part is untested.
>
> David Daney.
>