Re: [gpsd-users] gpsd:WARN: PPS TIOCMIWAIT returns unchanged state, ppsmonitor sleeps 10

[folkert]

> > > > >       yur kernel version?
> > > > 
> > > > 3.2.0-rc7
> > > 
> > > That is a pretty old kernel version.  I know there have been changes
> > > to the TIOCMWAIT code since then.  Can you try a new kernel?
> > 
> > Unfortunately not: that system also serves a baycom modem and in more
> > recent kernels that driver is broken.
> Can you at least try it to see if it helps?  At least then we would
> know.

Done: the 10 second sleeps persist:

gpsd:INFO: KPPS cycle: 1000020, duration:  780012 @ 1372793881.002349672
gpsd:DATA: packet from /dev/ttyS2 with 
{ONLINE|TIME|LATLON|STATUS|PACKET|REPORT|PPSTIME}
gpsd:PROG: KPPS assert 1372793881.002349672, sequence: 10 - clear  
1372793881.222339531, sequence: 10
gpsd:PROG: KPPS data: using clear
gpsd:INFO: KPPS cycle: 1000001, duration:  219989 @ 1372793881.222339531

gpsd:WARN: PPS TIOCMIWAIT returns unchanged state, ppsmonitor sleeps 10

gpsd:PROG: KPPS assert 1372793882.002336998, sequence: 11 - clear  
1372793881.222339531, sequence: 10
gpsd:PROG: KPPS data: using assert
gpsd:INFO: KPPS cycle:  999988, duration:  779998 @ 1372793882.002336998
gpsd:DATA: packet from /dev/ttyS2 with 
{ONLINE|TIME|LATLON|SPEED|TRACK|MODE|PACKET|CLEAR|PPSTIME}
gpsd:PROG: KPPS assert 1372793882.002336998, sequence: 11 - clear  
1372793882.222347200, sequence: 11
gpsd:PROG: KPPS data: using clear
gpsd:INFO: KPPS cycle: 1000007, duration:  220010 @ 1372793882.222347200
gpsd:DATA: packet from /dev/ttyS2 with 
{ONLINE|TIME|LATLON|ALTITUDE|STATUS|MODE|PACKET|PPSTIME}
gpsd:PROG: KPPS assert 1372793883.002355686, sequence: 12 - clear  
1372793882.222347200, sequence: 11


Regarding the voltage: I'll see if I can measure that tomorrow.

thanks so far!


Folkert van Heusden

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