Subject: Re: Keyboard and mouse problems on current
To: None <port-pmax@NetBSD.ORG>
From: D. Sean Davidson <>
List: port-pmax
Date: 08/07/1997 10:58:58
Simon Burge wrote:
> On Wed, 06 Aug 1997 12:54:30 -0400  "D. Sean Davidson" wrote:
> > Has anyone else been having problems with the X server and current.
> >
> > I've had to drop back to about July 25'th code base to not have the
> > mouse and keyboard input screw up on me all time.  If I type too fast,
> > which means more than a single character every half second, keys get
> > missed, the shift key stays locked after I release it, and the mouse
> > buttons sometimes think they are still pressed.
> What machine is this on?  On the faster machines (the /50's and /60's)
> with scc's, a delay loop for letting the serial chip settle is too
> slow, at least for serial consoles.  Look at sys/arch/pmax/tc/scc.c,
> there's two DELAY(2)'s (around lines 1161 and 1336) that you can change
> to DELAY(4).  I'm looking at a proper fix to this at the moment, but
> haven't finished yet.
> Simon.

This is a 5000/150 (R4000 cpu).

I tried DELAY(4) but that didn't help.  I pushed it to DELAY(6) and
it works much better now.