[LinuxPPS] ntpd

Rodolfo Giometti giometti at linux.it
Thu Aug 3 18:31:51 CEST 2006


On Thu, Aug 03, 2006 at 05:59:16PM +0200, Folkert van Heusden wrote:
> 
> keetweej:/usr/src/ntp-dev-4.2.1p255-RC# cat /proc/tty/drivers
> /dev/tty             /dev/tty        5       0 system:/dev/tty
> /dev/console         /dev/console    5       1 system:console
> /dev/ptmx            /dev/ptmx       5       2 system
> /dev/vc/0            /dev/vc/0       4       0 system:vtmaster
> serial               /dev/ttyS       4 64-67 serial
> pty_slave            /dev/pts      136 0-1048575 pty:slave
> pty_master           /dev/ptm      128 0-1048575 pty:master
> pty_slave            /dev/ttyp       3 0-255 pty:slave
> pty_master           /dev/pty        2 0-255 pty:master
> unknown              /dev/tty        4 1-63 console
> 
> > Please, send to us whole /proc/pps/sources content.
> 
> keetweej:/usr/src/ntp-dev-4.2.1p255-RC# cat /proc/pps/sources
> id      mode    echo    name                    path
> ----    ------  ----    ----------------        ----------------
> 00      1133    no      pps_8250_0              /dev/ttyS0
> 01      1133    no      pps_8250_1              /dev/ttyS1
> 02      1133    no      pps_8250_2              /dev/ttyS2
> 03      1133    no      pps_8250_3              /dev/ttyS3
> 04      1133    no      pps_8250_2              /dev/ttyS2
> 05      1133    no      pps_8250_3              /dev/ttyS3
> 06      1133    no      pps_8250_0              /dev/ttyS0
> 07      1133    no      pps_8250_1              /dev/ttyS1

Not ok! Something is wrong.

> Please note: the motherboard has 2 onboard serial ports. On the second
> (which I can access via /dev/ttyS1 with minicom) is the GPS connected.
> But there's also a plug-in pci board with 2 serial ports on it in the
> system. Maybe that screws things up?

I think so! Can you temporary remove the PCI board and using only the
onboard serial ports?

Ciao,

Rodolfo

-- 

GNU/Linux Solutions                  e-mail:    giometti at enneenne.com
Linux Device Driver                             giometti at gnudd.com
Embedded Systems                     		giometti at linux.it
UNIX programming                     phone:     +39 349 2432127
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