Hi Stephan, Le 2022-04-19 12:10, Stephan Austermühle a écrit : > Package: chrony > Version: 4.0-8+deb11u2 > Severity: important > > Dear Maintainer, > > please consider adding support for 'refclock' in /etc/chrony/sources.d. > > Some compute providers (Azure, Hetzner, KVM) support PTP as a > high-precision alternative to NTP but that feature requires to > configure a refclock in chrony. > > Example (works for Azure, Hetzner, and KVM): > > refclock PHC /dev/ptp0 poll 2 dpoll -2 offset 0 > > Note that using PTP usually requires loading a corresponding Linux > kernel module, too (e.g., ptp_kvm).
Please specify your hardware reference clock in /etc/chrony/chrony.conf. Only NTP sources (i.e. sources declared by the peer, pool and server directives) can be specified in /etc/chrony/sources.d. Cheers, Vincent
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