| Re: [chrony-dev] [GIT] chrony/chrony.git branch, master, updated. 1.25-pre1-18-g20a4340 |
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On 12/04/2011 15:05, Miroslav Lichvar wrote:
> On Sat, Apr 09, 2011 at 10:00:36PM +0100, Ed W wrote:
>> Been running this for a few days. Not particularly thrashing it, but
>> nothing untoward happened...
>>
>> How are we looking for a release?
>
> Hm, I just had a crash while I was messing with the tick value outside
> chronyd. The sourcestats stddev ended up as -nan which caused assert
> failure in find_best_sample_index. It seems to be caused by commit
> c88801. The sample weight calculation is not stable when there is a
> large jump in distance, the stddev from the regress function is used
> in the next weight calculation, which are getting bigger and the
> stddev smaller until it reaches the limit of double and fails.
>
> I'm not sure how to fix it yet.
>
We live in a finite world? Bound the result?
Ed W
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