/bin/sh terminated abnormally

[Didier]

I upgraded 4.8 to FreeBSD4.9 Release 

ran
- make buildworld
- make buildkernel KERNCONF=MYKERNEL
- installkernel KERNCONF=MYKERNEL

rebooted to single mode ...now I am getting the following error messages 

Terminated abnormally. going to single user mode, enter full pathname of shell or RETURN for /bin/sh:

I hit enter and kept getting this line,  tried /bin/tcsh ... I still can't get the prompt ... can you help please 


Didier