Re: Hardware interrupt list?

[AGC <agcarver+netbsd%acarver.net@localhost>]

On 9/6/2011 20:04, AGC wrote:
> On 9/5/2011 10:51, Ken Hornstein wrote:
> > > The other place to check is in the com(4) (16550 UART driver) source;
> > > it's the only other serial device driver in the NetBSD source tree that
> > > supports PPSAPI.
> >
> > I did look at that as an example; it looks like to me you don't
> > need to do anything extra with the com driver to enable interrupts
> > for status changes (or perhaps the com driver does that all of the
> > time). So I could easily believe that this is broken for people on
> > Sparc hardware that has the old serial port hardware.
>
> Well, I modified the code, compiled, and...nothing. No change in behavior.

Actually, there is a change, it's worse.  Without the modification, ntpd 
opens the port using PPS and I'm able to start gpsd right behind it once 
PPS is active.  With the modification, I can't use the port at all after 
PPS takes over, it just keeps gpsd locked out.