[LinuxPPS] LinuxPPS + kernel 2.6.34 = ok

[Rodolfo Giometti]

On Mon, May 24, 2010 at 09:47:41AM +0200, Udo van den Heuvel wrote:
> On 2010-05-23 15:36, Remco dB wrote:
> > Today I upgraded to kernel 2.6.34 and encountered no problems activating PPS.
> > 
> > I still use 'ttyctrl -X -s 18 /dev/ttyS0 &' to 'activate' PPS and had to 
> > recompile my ntpd.
> 
> I just booted into 2.6.34 w/ ntpd 4.2.6p1 built against 2.6.34 sources.
> 
> I noticed this:
> # cat /sys/devices/virtual/pps/pps0/{assert,clear}
> 1274686950.992846869#955
> 1274686008.261192728#12
> 
> I.e.: clear edge get stuck when ntpd is started.

Just clear edge?? Quite strange! O_o

Which serial driver are you using? You should check there if the clear
edge can be skipped in some manner...

Ciao,

Rodolfo

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