Below is my ptp4l config file. $cat ptp4l.conf [global] domainNumber 0 slaveOnly 1 priority1 128 priority2 128 clockClass 248 clockAccuracy 254 offsetScaledLogVariance 65535 freq_est_interval 1 time_stamping software tx_timestamp_timeout 1 logging_level 6 verbose 0 use_syslog 1 summary_interval 0 [eth2] delay_mechanism E2E network_transport UDPv4 delayAsymmetry 0 logAnnounceInterval 1 logSyncInterval 0 logMinDelayReqInterval 0 logMinPdelayReqInterval 0 announceReceiptTimeout 3 syncReceiptTimeout 0 delay_filter moving_average delay_filter_length 10 path_trace_enabled 0 fault_reset_interval 4
And the log messages at start in "good case". I didn't save the log where my system time was initially off a few minutes, though I remember the master offsets were above 200000000. I'll need to reproduce such condition in order to capture the exact log messages. ptp4l[792695.130]: port 1: get_ts_info not supported ptp4l[792695.131]: port 1: INITIALIZING to LISTENING on INITIALIZE ptp4l[792695.131]: port 0: INITIALIZING to LISTENING on INITIALIZE ptp4l[792697.130]: port 1: new foreign master 00b0ae.fffe.02d103-1 ptp4l[792701.130]: selected best master clock 00b0ae.fffe.02d103 ptp4l[792701.130]: port 1: LISTENING to UNCALIBRATED on RS_SLAVE ptp4l[792701.991]: port 1: minimum delay request interval 2^-7 ptp4l[792703.068]: master offset -1555032 s0 freq -13556 path delay -5078 ptp4l[792704.068]: master offset -1563606 s0 freq -13556 path delay 1196 ptp4l[792705.068]: master offset -1565962 s0 freq -13556 path delay 1212 ptp4l[792706.068]: master offset -1568258 s0 freq -13556 path delay 1204 ptp4l[792707.068]: master offset -1570542 s0 freq -13556 path delay 1184 ptp4l[792708.068]: master offset -1553450 s0 freq -13556 path delay -5284 ptp4l[792709.068]: master offset -1562224 s0 freq -13556 path delay 1186 ptp4l[792710.068]: master offset -1564536 s0 freq -13556 path delay 1198 ptp4l[792711.068]: master offset -1566872 s0 freq -13556 path delay 1194 ptp4l[792712.068]: master offset -1569158 s0 freq -13556 path delay 1180 ptp4l[792713.068]: master offset -1571482 s0 freq -13556 path delay 1196 ptp4l[792714.068]: master offset -1554204 s0 freq -13556 path delay -5330 ptp4l[792715.068]: master offset -1563042 s0 freq -13556 path delay 1204 ptp4l[792716.068]: master offset -1565384 s0 freq -13556 path delay 1210 ptp4l[792717.068]: master offset -1567668 s0 freq -13556 path delay 1194 ptp4l[792718.068]: master offset -1569978 s0 freq -13556 path delay 1200 ptp4l[792719.068]: master offset -1554292 s1 freq -13510 path delay -4826 ptp4l[792720.068]: master offset -1556592 s2 freq -170726 path delay -4826 ptp4l[792720.068]: port 1: UNCALIBRATED to SLAVE on MASTER_CLOCK_SELECTED ptp4l[792721.068]: master offset -1564970 s2 freq -173128 path delay 1212 ptp4l[792722.068]: master offset -1567220 s2 freq -174921 path delay 1162 ptp4l[792723.068]: master offset -1569548 s2 freq -176723 path delay 1186 ptp4l[792724.068]: master offset -1571854 s2 freq -178525 path delay 1188 ptp4l[792725.068]: master offset -523684 s2 freq -74232 path delay -348970 /Daniel -----Original Message----- From: Miroslav Lichvar [mailto:[email protected]] Sent: Thursday, June 18, 2015 4:20 AM To: Daniel Le Cc: [email protected] Subject: Re: [Linuxptp-users] sanity_freq_limit On Thu, Jun 18, 2015 at 07:18:53AM +0000, Daniel Le wrote: > > On Jun 18, 2015, at 2:58 AM, Miroslav Lichvar <[email protected]> wrote: > > > >> On Thu, Jun 18, 2015 at 01:58:13AM +0000, Daniel Le wrote: > >> Additionally, in slave clock operation and software time stamping mode, > >> how (and where in the code) ptp4l can be forced to step the system clock > >> with the time it first receives from a grandmaster clock? > > > > ptp4l should do that by default, it's set by the > > first_step_threshold option. > > Somehow when my system clock is initially (for example after a reboot) off > the GM time by a couple of minutes, the master offset is huge and ptp4l takes > hours to converge. That's odd. Can you post your ptp4l config and log when it starts? -- Miroslav Lichvar ------------------------------------------------------------------------------ _______________________________________________ Linuxptp-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/linuxptp-users
