> Running ifconfig without export NET_STACK_DRIVER_PATH=/dev/net/server > is what causes the kernal to crash hard. Oh. Okay. Kernel stack is crashing, so. No big surprise, in fact. One hint: remove any kernelland OBOS net stack modules from your ~/ config/add-ons/kernel/network/* folder and, even better, you can remove the net_stack_driver too. Until we have a enough crash-prone stack again, it make no sense to be KDL crashing when we have an userland debugging platform to debug our stack... I hope to go hunting on our stack internal this week-end, but who knows... So, everyone currious is welcome to help debug our stack: http://philippe.houdoin.free.fr/phil/beos/openbeos/network_kit/ net_stack_tester_kit.zip - Expand somewhere - Run Install script - From a Terminal : $ export NET_STACK_DRIVER_PATH=/dev/net/server $ ifconfig -a $ ifconfig loop0 127.0.0.1 up netmask 255.255.0.0 $ ping 127.0.0.1 For more real (thru wire) tests, you should allow one ethernet driver to be used by the OBOS stack, aka disable it in BONE/net_server. Oh, remember, bdb is your friend.... Have fun, guys :-p -Philippe -- Fortune Cookie Says: It may be bad manners to talk with your mouth full, but it isn't too good either if you speak when your head is empty.