> itojun@iijlab.net writes:
> > 	i've updated the kernel from 1.6ZH to 1.6ZI, and experienced a kernel
> > 	panic on mount_mfs (from /etc/fstab).  i'm still using 1.6ZH
> > 	newfs/mount_mfs (i'm in process of updating).  are there any important
> > 	incompatible changes made to newfs/mount_mfs?  if so, it has to be
> > 	documented in doc/UPDATING.
> 
> I *think* the problem is an (accidentally?) removed:
> 
>  bp->b_dev = vp->v_rdev;
> 
> that should still exist before:
> 
>  return (VOP_STRATEGY(vp, bp));
> 
> in ufs_strategy() in src/sys/ufs/ufs/ufs_vnops.c .  If you add that 
> "bp->b_dev = ..." line back in, it should make things work again...

	the change solved the problem, thanks.

itojun