Re: [Linuxptp-users] Question about how to run linuxptp as a service daemon

[james j. <jam...@gm...>]

Could someone give me an answer to this question?

Thank you

2022년 8월 16일 (화) 오후 1:24, james jeong <jam...@gm...>님이 작성:
>
> Dear,
>
> In the path you mentioned, the service files of ph2sys and ptp4l were
> modified and run according to my environment.
>
> ---ptp4l.service---(Master)
> [Unit]
> Description=Precision Time Protocol (PTP) service
> Documentation=man:ptp4l
>
> [Service]
> Type=simple
> ExecStart=/root/linuxptp-3.1.1/ptp4l -i eno1 -m --step_threshold=1
>
> [Install]
> WantedBy=multi-user.target
>
>
> ---ptp4l.service---(Slave)
> [Unit]
> Description=Precision Time Protocol (PTP) service
> Documentation=man:ptp4l
>
> [Service]
> Type=simple
> ExecStart=/root/linuxptp-3.1.1/ptp4l -i ens6f0 -s -m --step_threshold=1
>
> [Install]
> WantedBy=multi-user.target
>
>
> ----phc2sys.service--- (same content between master and slave)
> [Unit]
> Description=Synchronize system clock or PTP hardware clock (PHC)
> Documentation=man:phc2sys
> #After=ntpdate.service
> Requires=ptp4l.service
> After=ptp4l.service
>
> [Service]
> Type=simple
> ExecStart=/root/linuxptp-3.1.1/phc2sys -a -r -r -m --step_threshold=1
>
> [Install]
> WantedBy=multi-user.target
>
>
> However, after booting, the following output is displayed in the
> phc2sys service of Master and Slave.
>
> Aug 16 13:19:59 ozhdr-devel2 phc2sys[1390]: phc2sys[8432.167]: failed
> to get UTC offset
> Aug 16 13:19:59 ozhdr-devel2 phc2sys[1390]: [8432.167] failed to get UTC offset
> Aug 16 13:20:01 ozhdr-devel2 phc2sys[1390]: phc2sys[8434.168]: failed
> to get UTC offset
> Aug 16 13:20:01 ozhdr-devel2 phc2sys[1390]: [8434.168] failed to get UTC offset
> Aug 16 13:20:03 ozhdr-devel2 phc2sys[1390]: phc2sys[8436.169]: failed
> to get UTC offset
> Aug 16 13:20:03 ozhdr-devel2 phc2sys[1390]: [8436.169] failed to get UTC offset
> Aug 16 13:20:05 ozhdr-devel2 phc2sys[1390]: phc2sys[8438.171]: failed
> to get UTC offset
> Aug 16 13:20:05 ozhdr-devel2 phc2sys[1390]: [8438.171] failed to get UTC offset
> Aug 16 13:20:07 ozhdr-devel2 phc2sys[1390]: phc2sys[8440.172]: failed
> to get UTC offset
> Aug 16 13:20:07 ozhdr-devel2 phc2sys[1390]: [8440.172] failed to get UTC offset
>
> I get this message and the time synchronization doesn't work.
> But if I manually restart the service in phc2sys (systemctl restart
> phc2sys.service) the time synchronization works fine.
>
> How can I fix this error?
>
> Regards,
>
>
>
> 2022년 8월 10일 (수) 오후 4:20, Miroslav Lichvar <mli...@re...>님이 작성:
> >
> > On Wed, Aug 10, 2022 at 09:13:53AM +0900, james jeong wrote:
> > > Dear,
> > >
> > > We are using Ubuntu 20.04 LTS.
> > > I am trying to use linuxptp as a service daemon rather than an application.
> > > (The purpose is to automatically run ptp4l and phc2sys when the Master and
> > > Slave devices are booted.)
> >
> > The Ubuntu linuxptp package seems to contain systemd service files:
> >
> > /lib/systemd/system/phc2sys.service
> > /lib/systemd/system/ptp4l.service
> > /lib/systemd/system/timemaster.service
> >
> > and it has configuration files in /etc/linuxptp.
> >
> > You would just edit the configuration and enable the services you need
> > to run.
> >
> > --
> > Miroslav Lichvar
> >