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Am 30.11.2010 18:16, schrieb Fengwei Zhang:
I understand the printk(DEBUG, "msg") statement will print out msg on the serial port when booting. How about after booting? Where does printk(DEBUG, "msg") go after booting?
"After booting" the only component that might still be active (and thus able to run our printk) would be SMM. That code shares the same printing routines, so it prints on serial, too.
Patrick