panic after unloading nfsserver module

[Terry Lambert]

Bruce Cran wrote:
> I've just been trying to get NFS exports working between a -current box
> and 4.7-release computer.   Even when following the intructions in the
> handbook but running rpcbind instead of portmap, I always get a message
> 'RPCPROG_MNT: nfs timeout' on the server.   While trying to fix it and
> restart nfs, I unloaded the nfsserver module.   The next command appears
> to always crash the computer, with the following:
> 
> panic: blockable sleep lock (sleep mutex) Giant @
> /usr/src/sys/vm/vm_fault.c:206

You probably forgot to stop the daemons before you unloaded the
module.  This includes both the "standard" ones, and the lock
daemons.

> Are there known issues with NFS on -current?

Yes.  Not this one, though.

-- Terry