"Segmentation fault"message

[yamazaki]

hi.
we made custom board(cpu is MPC8245)
kernel is 2.4.18
our application sometimes stop with the message "Segmentation fault"or
"illegal instruction".
So i searched this message on kernel source code by grep command.
But i could not find this message "Segmentation fault".
somebody tell me where i can find this message "Segmentation fault"and
"illegal instruction".

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yamazaki  yama at isd.mci.mei.co.jp

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