Subject: Re: problems unmounting an apparently non-busy filesystem
To: NetBSD-current Discussion List <current-users@NetBSD.ORG>
From: Chris G. Demetriou <>
List: current-users
Date: 04/09/2001 13:06:40 (Greg A. Woods) writes:
> That partition, as its name implies, is there basically to use as an
> alternate boot disk.  It's current contents are very old NetBSD-1.3I.
> Nothing's been done there for a long time and no user files exist
> within.

For things like this, i often find that a culprit is a device alias.

I'm not sure what circumstances, exactly, trigger the problem, but i
occasionally run into it when e.g. making file system images which
contain device nodes.