Hello, > This is on dual Pentium 3 machine > Kernel was compiled with '-O3 -march=pentium3 -mmmx -msse -mfpmath=sse' You cannot use FP/MMX/SSE in kernel AFAIK. Given that the kernel does no FP calculations by itself, '-mfpmath' should not matter, '-mmmx -msse' however could be dangerous. -- Jachym