3.17 what? Miroslav Lichvar <[email protected]> wrote:
> On Wed, Nov 19, 2014 at 10:09:42AM +0000, David Taylor wrote: > > In bug 2314, I reported that the jitter was always reported as 0 soon after > > NTP had started, and this was traced to the Linux in use on the Raspberry Pi > > being tickless. Recompiling the kernel without the tickless option was a > > work-round, but is it possible to get jitter values with a tickless system? > > There was a problem with clock stability in the tickless mode on idle > systems, which should be fixed or at least significantly improved in > 3.17. I'm not sure how it could cause the jitter to be reported as > zero though. > > Can you try 3.17 or later and see if it's fixed? Also, it would be > interesting to know if adding nohz=off to the kernel command line > instead of recompiling works as a workaround too. > > -- > Miroslav Lichvar _______________________________________________ questions mailing list [email protected] http://lists.ntp.org/listinfo/questions
