On Thu, 25 Oct 2001, Monroe Williams wrote:
> After each panic, the keyboard was unresponsive, so I was unable to get a
> backtrace.  I only wrote down the messages from two of the panics, and they
> were both the same:
>
> kernel diagnostic assertion "rv" failed: file ../../../uvm/uvm_pager_i.h
>
> Looking at the source, this panic happens in uvm_pageratop() when
> pmap_extract() returns FALSE.  I don't know enough about these subsystems to
> make much sense of this.
>
> Does this ring a bell with anyone?

Yeah, see http://mail-index.netbsd.org/current-users/2001/10/25/0008.html

I still don't know what to do about it though...