In <021201c2bdba$19a55eb0$0801a8c0@dman>, Doron Shmaryahu <[EMAIL PROTECTED]> typed:
This sequence

>       make buildworld; 
>         make buildkernel KERNCONF=KERNEL
>         make installkernel KERNCONF=KERNEL
>  mergemaster -p
>         make installworld
>         mergemaster             
>         reboot

leaves out the very important step of doing a reboot between the make
installkernel and the make installworld. You've just found out
why. Your new kernel isn't booting for some reason. If you had found
that out before doing the installworld, backing out the kernel would
be trivial and you'd have your old system back to work on the problems
presented by the new kernel.

The one thing that isn't clear from your messages is what the kernels
you have rebuilt are doing. If they are going to "btx halted", then
try building a kernel with debugging built in, and follow the steps in
the writeup on for debugging kernel problems with kdb.

If your new kernels are booting fine but ps and top are failing, then
you're managing to boot without going through the full boot loader
sequence, as that loads the kernel module and sets some symbols. I
don't think this is the case, but if it is, how are you booting the

Mike Meyer <[EMAIL PROTECTED]>    
Independent WWW/Perforce/FreeBSD/Unix consultant, email for more information.

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