page fault

hi Everyone
i am novice in this field and trying to port hardhat linux on
my custome board i have configured whole kernel and in last when i try to start the /sbin/init function i get the error
PAGE FAULT IN INTERRUPT HANDLER
and sometime scheduling in interrupt
what should i do
please help me
thanks in anticipation
bharat

** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/