A virtual console should work. I have tried it myself and it just works fine.
 If you do not want too many msg, just try using UVMHIST and diable UVMPRINT.

--S



> On 6/19/06, blue horn <neelgusano@yahoo.com> wrote:
> >  I tried the following and none of it is working.
> >
> > - Tried to open a second virtual console such that I
> > will be able to login. But the machine seems to sucked
> > into all those scrolling "green messages". I guess
> > that the machine has not been able to invoke
> > /sbin/init.
> >
> > - I commented out /dev/console from
> > syslog.conf->reboot. No effect which is expected if
> > the kernel services have not been initialized.
> >
> >  Now here is my 2 cents questions (repeat):
> >     What is a sane way of debugging UVM? or how does
> > the NetBSD developers normally debug core kernel
> > services such as UVM?
> >
> > Thanks,
> > BH
> >
> > --- "Julio M. Merino Vidal" < jmmv84@gmail.com> wrote:
> >
> > > On 6/19/06, blue horn <neelgusano@yahoo.com> wrote:
> > > > Hi
> > > >       I would like to print some messages to
> > > > /var/log/message file when certain events are
> > > being
> > > > fired inside the uvm. So, I created a vanilla
> > > kernel
> > > > with  "options   UVMHIST".
> > > >
> > > > If I enable "options  UVMHIST_PRINT", then all the
> > > > messages from the uvm starts printing; but I'm
> > > never
> > > > able to login since the booting is not complete
> > > (as I
> > > > understand).
> > >
> > > Hmm, you see a lot of green messages but not the
> > > login prompt?  If
> > > that's the case, it probably does not matter.  The
> > > login prompt just
> > > scrolled out of the screen; blindly type your
> > > username and password
> > > and you should be able to log in, although in a
> > > quite unusable console
> > > if the amount of messages is huge.
> > >
> > > You can try to switch to the second virtual console
> > > and work from that.
> > >
> > > > So, my question is: How do I enable debugging the
> > > uvm
> > > > (only my portion) by printing out messages to
> > > > /var/log/messages? Is there something simiar to
> > > > "printk" (as in Linux) in NetBSD?
> > >
> > > I think you can do that by tuning your  syslog.conf
> > > file and telling it
> > > not to redirect kernel messages to the console.  The
> > > default
> > > configuration sends them to /var/log/messages too.
> > >
> > > Cheers,
> > >
> > > --
> >  > Julio M. Merino Vidal <jmmv84@gmail.com>
> > > The Julipedia - http://julipedia.blogspot.com/
> > >
> >
> >
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