On Mon, 19 Mar 2001, John Baldwin wrote:

> Hmmm.  An eip of 0 is bad.  This could be just another instance of the bzero
> bug just in another place.  You probably want to change the code that actually
> sets *bzero to i586_bzero (and same for any other ops that use floating point).
> The code in question for this lies in i386/isa/npx.c.  It seems we use the fp
> regs for copyin/copyout and bcopy as well.  I would just change line 458 of
> npx.c to say '#ifdef I586_CPU_XXX' for now as your temporary patch (then you
> don't need to patch pmap_zero_page() anymore.)

There is no need to change anything.  Just disable the fp optimizations
using the npx flags.


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