Andrew Suffield wrote:
[snip]
> > Hm, it is easily reproducible on SWARM, as well as on a Octane with 2
> > CPUs. Which probably means it is a SMP-induced race condition in fork.
> 
> My bet is that it's this kernel bug:
> 
>   I don't know if you've been following, but it was recently discoverd that on
>   smp, if multiple processes read from /dev/urandom at the same time, they can
>   get the same data.  Theodore Tytso posted a patch to fix this for 2.6, and
>   someone else told me this problem has existed all the way back to 1.3.
> 
> Fixed in 2.4.29 and 2.6.5. What kernel version have you got there? If
> it's 2.4.27 (sarge) then I think we have our problem found.

2.4.27 (sarge) on SWARM, 2.6.12 on the Octane.


Thiemo


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