[LinuxPPS] Not seeing PPS with new stuff (MORE)

Rodolfo Giometti giometti at enneenne.com
Thu Jun 12 22:47:57 CEST 2008


On Thu, Jun 12, 2008 at 12:17:08PM -0600, Reg Clemens wrote:
> 
> No.
> Im nut sure how to disable udev, BUT
> 
> The /dev/pps{n} device does get created, the real problem is that
>     (1) ttyctrl hangs and cant be killed.
> 	>> is it necessary to keep this process running (-X) to 
> 	>> to keep the line discipline set??
>     (2) There is something going on that I dont understand (but will
>           look at today, ntpd has problems doing a stat and open on
>           /dev/pps0, BUT the test program doesnt... 
>           MUMPH....
>           Will look at that and see what is REALLY going on.
>     (3) In any case, the test program only sees ONE timestamp 
>           and then hangs,  checking /sys/class/pps/pps1 shows the same 
>           timestamp, so things have stopped.

I suppose some kernel lock... please see the kernel messages.

Thanks for your help,

Rodolfo

-- 

GNU/Linux Solutions                  e-mail:    giometti at enneenne.com
Linux Device Driver                             giometti at linux.it
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UNIX programming                     skype:     rodolfo.giometti



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