[LinuxPPS] after a reboot suddenly there's no more pps for serial?!

[Rodolfo Giometti]

On Mon, Apr 21, 2008 at 07:27:16PM +0200, Folkert van Heusden wrote:
> > > > > after a reboot suddenly there's no more pps for serial?!
> > > > > same kernel
> > > > > 
> > > > > belle:/home/folkert# dmesg | grep -i PPS
> > > > > Linux version 2.6.23pps-nodeb.pps-nodeb (root at belle) (gcc version 4.2.3 20071123 (prerelease) (Debian 4.2.2-4)) #1 SMP Sun Jan 13 20:25:06 CET 2008
> > > > > LinuxPPS API ver. 1 registered
> > > > > new PPS source parport0 at ID 0
> > > > > parport_pc 00:07: PPS source #0 "/dev/lp0" added
> > > > 
> > > > Why are you using lp support? Are you talking about serial lines or
> > > > not? =:-o
> > > 
> > > I'm not, that's what is so odd.
> > > It suddenly started to set PPS to the lp0 instead of ttyS0.
> > 
> > are loading your module by yourself or by using udev? If so, please,
> > disable udev and try by hand.
> 
> No difference, still no luck.
> 
> Please note that when it worked before I *did* use udev too.

I see, however to understand what happens we should remove some
interferencing tools.

By loading the modules yourself you give the command "modprobe 8250",
is that right? And after that you see that lp support is enabled,
right?

Ciao,

Rodolfo

-- 

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