Gilles Chanteperdrix wrote:
 > Jeroen Van den Keybus wrote:
 >  > When I try to open an ssh connection to or from a PC running Xenomai, I 
 > get
 >  > a 'PRNG not seeded' error. However, it only occurs when an RT application 
 > is
 >  > running (such as 'latency'). The computer on which this occurs is an AMD
 >  > K7-650. I've tested on a Pentium III 500 as well (nearly same .config) and
 >  > this error doesn't show up then.
 >  > 
 >  > Any idea of where I should start debugging ? I assume that PRNG stands
 >  > for 'Programmable Random Number Generator' or something like that.
 > See in kernel configuration if you have the CONFIG_HW_RANDOM option
 > enabled, if the module is loaded when the error occurs, and if
 > /dev/urandom exists.

CONFIG_HW_RANDOM is for the /dev/hwrandom device, and libssl uses
/dev/random or /dev/urandom. /dev/urandom is seeded at boot-time
by a script (/etc/init.d/urandom on Debian).

So FPU hardware, as mentioned by Philippe, is a better candidate.


                                            Gilles Chanteperdrix.

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