[Linuxpps] my gps problem

Folkert van Heusden folkert at vanheusden.com
Sat May 27 00:50:04 CEST 2006


> > What do you mean? The gps is not pulsing the line? Or what?
> I mean that in your system there are no source registered. Did you
> load module 8250?

It is included in the kernel. Not as a module but in the bzImage file so
to say.

> Did you load the modified version or the original one?

My guess is the modified version:

May 27 00:42:10 keetweej kernel: [42951008.190000] "pps_core":"pps"[293]: LinuxPPS API ver. 1 removed
May 27 00:43:12 keetweej kernel: [42951069.900000] "pps_core":"pps"[310]: netlink protocol 17 created
May 27 00:43:12 keetweej kernel: [42951069.900000] "pps_core":"procfs"[80]: procfs enabled
May 27 00:43:12 keetweej kernel: [42951069.900000] "pps_core":"pps"[322]: LinuxPPS API ver. 1 registered
May 27 00:43:12 keetweej kernel: [42951069.900000] "pps_core":"pps"[323]: Software ver. 2.0.0 - Copyright 2005-2006 Rodolfo Giometti <giometti at linux.it>
May 27 00:43:18 keetweej ntpd[4735]: kernel time sync status 0040
May 27 00:43:18 keetweej kernel: [42951075.480000] "pps_core":"pps"[82]: New message from PID 4735 (flags 0)
May 27 00:43:18 keetweej kernel: [42951075.480000] "pps_core":"pps"[242]: no PPS devices found

> Also enable debugging kernel messages in order to have more info from
> your system.

It is enabled:

keetweej:/usr/src/linux# grep PPS .config
# PPS support
CONFIG_PPS=m
CONFIG_PPS_PROCFS=y
CONFIG_PPS_DEBUG=y
# PPS clients support
# CONFIG_PPS_CLIENT_KTIMER is not set


Folkert van Heusden

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