On Sun, 24 Nov 1996, Arnaud Blanchard wrote:

> When I quit dt ( I type ctrl-D on all pty ) , or X11  ( I kill my WM)
> It crash .
> [...]
> I got the same problem, with my own kernel .
> I compile a GENERIC kernel with the DEBUG options.
> Here is what I got, when I quit dt or X11
> /netbsd:grfunmap(90):dev a00 ,addr 0x0
> /netbsd:grfunmap(90):dev a00 ,addr 0x0
> panic:pmap_remove : PA not in pv_tab

Well, now, this looks fairly evil.  Something is unmapping (or at least
attempting to unmap) the framebuffer twice.  On top of that, it's using
the old map/unmap interface.  Are you using the latest versions of the X
server and dt?  If not, please try that and see if you can reproduce the
problem.

Thanks,

--scott