site_archiver@lists.apple.com Delivered-To: darwin-kernel@lists.apple.com The kdb inline serial debugger is not supported, and was never ported to the 64 bit kernel. You should use KDP over Ethernet or FireWire. Sent from my iPhone On Nov 16, 2011, at 2:30 PM, Andrew Gallatin <gallatin@cs.duke.edu> wrote:

I'm trying to build 10.8.0 with kdb. I edited osfmk/conf/MASTER and added a line: options MACH_KDB

Then I rebuilt, but now the link is failing:

CC version.o LD mach_kernel.sys Undefined symbols: "_getsymtab", referenced from: _aout_db_sym_init in db_aout.o ld: symbol(s) not found

This is because libkern/kernel_mach_header.c has that compiled out when MACH_KDB is not defined. For now, I just hacked this into ./libkern/libkern/kernel_mach_header.h #ifndef MACH_KDB #define MACH_KDB 1 #endif

But is there a more proper way?

BTW, I haven't crashed yet, so I don't know if kdb actually still works ;)

Thanks,

Drew

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