[Bug 218725] Time Wrap Issue

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=218725

            Bug ID: 218725
           Summary: Time Wrap Issue
           Product: Base System
           Version: 11.0-STABLE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: misc
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: king.c.david at googlemail.com

We have had a issue with Haproxy running on freebsd over the last few months,
and the latest post on the haproxy mailing list is here

https://www.mail-archive.com/haproxy@formilux.org/msg25782.html

What we are noticing is that every 49.7 days haproxy hangs. This has been
confirmed by various people in different regions, all running freebsd 11 and
different versions of haproxy and running NTP so all the hangs happen at
exactly the same time around the globe

The hang happens regardless of uptime of the server or service

The last hang was at Tue Apr 18, 9:38, so we expect the next hang to be at
Wednesday, 7 June 2017, 04:40.

The current theory by Willy Tarreau, is that it has to do with the time wrap
from the 1Khz scheduler as that coincides with the hang's

The OS's this seems to affect are all freebsd 11.0 p1-p8

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