The command for starting adb(1) to debug a kernel core dump is:
% adb -k /var/crash/`hostname`/unix.n /var/crash/`hostname`/vmcore.n
For best results, use adb on the same architecture (such as Sun4m) that generated the core image.
To start adb(1) on a live system, type (as root):
# adb -k /dev/ksyms /dev/mem
/dev/ksyms is a special driver that provides an image of the kernel's symbol table to adb(1).
When < adb(1) responds with physmem xxx, it is ready for a command.
If the -p option of adb is used, an input prompt is displayed.