On Sat, Jan 28, 2006 at 12:53:27PM +0000, segv@netctl.net wrote:
> This is on dual Pentium 3 machine
> Kernel was compiled with '-O3 -march=pentium3 -mmmx -msse -mfpmath=sse'

Can you please recompile a kernel without those options (but still with
makeoptions DEBUG="-g") and try again?

If you repeat the problem, please also type "show registers" in ddb before
you do "bt $ebp".

Pavel