Dear Richard,
thanks for your reply. I'm using AR8031, and hardware timestamp mode
. OS version: 3.0
some detail:
{359.993454} [DEBUG] master offset 2461 s2 freq -51098 path delay
32041
{360.380834} [DEBUG] t1 +1439307277796976619
{360.380880} [DEBUG] t2 +1439307277797011121
{360.380910} [DEBUG] t3 +1439307278181855128
{360.380936} [DEBUG] t4 +1439307278181898350
=====================================================
here I unplug the cable and after 23 seconds, I plugged in again
=====================================================
{388.939073} [WARNING] clockcheck: clock jumped backward or running slower
than expected!
{392.768454} [WARNING] foreign master not using PTP timescale
{392.990924} [DEBUG] origin [c->t1]+1439307310797676053
{392.990981} [DEBUG] ingress[c->t2]+1439307295457580057
{392.991013} [DEBUG] c->path_delay +0
{393.780969} [DEBUG] t1 +1439307310797676053
{393.781018} [DEBUG] t2 +1439307295457580057
{393.781047} [DEBUG] t3 +1439307296244987555
{393.781074} [DEBUG] t4 +1439307311585147610
{393.990981} [DEBUG] origin [c->t1]+1439307311797823009
{393.991025} [DEBUG] ingress[c->t2]+1439307296457725820
{393.991053} [DEBUG] c->path_delay +32029
{393.991080} [DEBUG] master offset -15340129218 s0 freq -51098 path delay
32029
2015-08-11 14:59 GMT+08:00 Richard Cochran <[email protected]>:
> On Tue, Aug 11, 2015 at 11:43:01AM +0800, Arnold kang wrote:
> > when I test linuxptp. I unplug the cable and plug in after a while,
> > the ptp can't recovery. and precision stay bad. any one know why?
>
> What driver and HW are you using?
>
> Some of the Intel drivers reset the NIC time when the link goes down.
>
> Thanks,
> Richard
>
------------------------------------------------------------------------------
_______________________________________________
Linuxptp-devel mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/linuxptp-devel
