Geoff Rehmet wrote:
>
> Alfred Perlstein writes :
> > > Printing is very slow. I have a HP LaserJet III attached to lpt0.
> > > Printing in the pcl, text, mode is slower than I expect. Printing in
> > > the postscipt mode is extremely slow. A 30K postscript file has been
> > > OVER 5 minutes and is not finished!
> >
> > have you tried:
> > lptcontrol -p
> >
> > I remeber the friendlies on #freebsd suggesting this
> > to me when i had similar symptoms last year.
> It's a long long time since I was working on the lpt driver. This
> kind of symptom was a common problem during its development. I
> haveen't been able to really appreciate the code for the nltp
> driver, so I also can't really see if there is a problem.
> Biggest problem when I was hacking on the lpt driver was that
> interrupts tended to get lost sometimes. I seem to recall, that
> there were some problems with slow printing that just could not
> be fixed.
> Going into polled mode (lptcotnrol -p) is probably your best bet
> at the moment.
I suspect changing the interrupt mask might also have an impact.
--
Daniel C. Sobral (8-DCS)
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d...@freebsd.org
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