On Fri, Dec 07, 2007 at 05:16:26PM +0000, Steven M. Bellovin wrote:
> This is on 4.0rc4 on an i386 domU.  I get that followed by 
> 
> Stopped in pid 223.1 (lfs_cleanerd) at  netbsd:cpu_Debugger+0x4:popl
> 
> at mount time.
> 
> I suspect that the easiest thing to do is to newfs the partition, and possibly
> to convert it to ffs.  I use lfs for my pkgsrc, src, and obj partitions,
> so I don't think I'll lose much.

If you want to try to save some data, have you tried dump_lfs?

Also, mount_lfs has a -n option to not start the cleaner.