[LinuxPPS] ldattach + Debian Lenny - Epilogue

Udo van den Heuvel udovdh at xs4all.nl
Mon Jun 8 16:53:16 CEST 2009


Felix Joussein wrote:
> Regarding the "not working" ldattach:
> I think, I have not clearly said, what I meant, so here an other try:
> 
> Using Kernel 2.6.30-rc5 + ntp-pps-v2.6.30-rc5-bis.diff:
> 
> ldattach 18 /dev/ttyS0 creates /dev/pps0
> ppstest does not retrieve any data, and the files "assert" and "clear"
> don't increase.... standing still - both 0.00000000#0.
> 
> Using Kernel  2.6.28 + ntp-pps-2.6.28-rc6-bis.diff:
> ppsldisc /dev/ttyS0 creates /dev/pps0
> ppstest works fine but ntp sync takes an eternity.

The sync time might be due to bad parameter in the kernel, patch was 
discussed on this list. Maybe 2.6.30? (anyone?)

> And here is the bug surprise:    ldattach also works!
> 
> Where else is the error? What causes the malfunction?

I think this one is for Rodolfo to compare?


Kind regards,
Udo



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