[Bug 224173] serial driver from 10.4 onwards doesn't correctly work in ntpd/DCF77 "parse" clock mode

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=224173

pvoigt at uos.de changed:

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                 CC|                            |pvoigt at uos.de

--- Comment #1 from pvoigt at uos.de ---
Well, this issue is rather old and still has status "new". I reply because I
have just obviuosly run into the same situation: I have an USB DCF77 receiver
which can never pass a full correct signal to ntpd. It is a GUDE Expert Mouse
Clock 0107 which is correctly recognized by FreeBSD 11.3-RELEASE-p4. I have
built net/ntp from ports with enabled RAWDCF option. However, ntp log is full
of "INCOMPLETE DATA" and "start bit / parity check FAILED" messages. The same
receiver works immediately when connected to a Debian Buster machine.

Is there currently any work in progress on this issue? Is there an issue in
ucom/uftdi kernel modules or in the RAWDCF driver of ntp?

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