On Mon, Jan 17, 2022 at 08:25:06AM +0000, ramesh t wrote:
> Please suggest.
1. Make sure your ptp4l has these five patches:
a082bcd clockcheck: Increase minimum interval.
6df8425 port: Don't renew raw transport.
e117e37 port: Don't check timestamps from non-slave ports.
262a49b clock: Reset clock check on best clock/port change.
7e8eba5 clock: Reset state when switching port with same best clock.
If that doesn't fix the problem, then:
2. Disable clock sanity check.
sanity_freq_limit
The maximum allowed frequency offset between uncorrected clock
and the system monotonic clock in parts per billion (ppb). This
is used as a sanity check of the synchronized clock. When a
larger offset is measured, a warning message will be printed and
the servo will be reset. When set to 0, the sanity check is dis‐
abled. The default is 200000000 (20%).
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