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Re: Smolt database is broken



On Tue, 2007-11-20 at 16:04 -0500, Alan Cox wrote:
> On Tue, Nov 20, 2007 at 01:25:47PM -0600, Mike McGrath wrote:
> > Here's the top 5:
> > 
> >    266 28caf2c3-9766-4fe1-9e4c-d6b0ba8a0132
> >    336 810e7126-1c69-4aff-b8b1-9db0fa8aa15a
> >    402 c8dbb9d3-a9bd-4ba6-b92e-4a294ba5a95f
> >    884 06e84493-e024-44b1-9b32-32d78af04039
> >    931 e2b67e1d-e325-4740-b938-795addb45280
> > 
> > 
> > The left number is times this month someone has submitted a profile with 
> > that UUID.  If we take the last one as an example has come from over 800 
> > IP's in the last 20 days.  It seems very unlikely that one person would 
> > find his way to 800 different IP's this month.  Let me know if you'd 
> > like more.
> 
> We shouldn't have any duplicates if its properly random. I don't know how
> relevant the actual values are myself because random numbers is "hard maths"
> and I'm not a mathematician. I've raised it however but since its turkey
> genoiciding season in the USA it might be a bit slow

(I'm a pescetarian FWIW, and didn't butcher any Turkeys)

Was there any outcome on this in the end?

My initial guesses include that there's some hardware device common to
some of these reports that is inappropriately registering as a source of
random entropy, and then generating very predictable data. That would be
a somewhat serious kernel bug that I want to check for.

Any news? Alan - whatcha wanna do?

Jon.



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