> serial port, the CPU receives NMI exception, and we fall into KDB shell. > So, it is our "debug console", and it is able to interrupt (and thus > debug) even IRQ handlers themselves.
You seem to have an assumption of single core here. What happens if the NMI hits CPU #0 and the serial IRQ hits CPU #1 simultaneously ? Alan ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Kgdb-bugreport mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/kgdb-bugreport
