Hi, I read that ISRs can never cause a page fault. Why is that? What would happen if an ISR tries to use a data item that has been swapped out? Thanks, Dan - To unsubscribe from this list: send the line "unsubscribe linux-newbie" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.linux-learn.org/faqs