Re: port-xen/40739: no entropy device sourcese on 5.0_RC2 XEN3PAE_DOMU

["Tracy J. Di Marco White" <gendalia%iastate.edu@localhost>]

In message <20090225192033.GA353%antioche.eu.org@localhost>, Manuel Bouyer 
writes:
}On Tue, Feb 24, 2009 at 04:02:42PM -0600, Tracy J. Di Marco White wrote:
}> 
}> In message <20090224214003.3D27163C1C0%www.NetBSD.org@localhost>, Manuel 
Bouyer writes:
}> } > % rndctl -ls
}> } > Source           Bits    Type    Flags
}> } >     4346 bits mixed into pool
}> } >        0 bits currently stored in pool (max 4096)
}> } >        0 bits of entropy discarded due to full pool
}> } >     4346 hard-random bits generated
}> } >   210118 pseudo-random bits generated
}> } 
}> } the problem in the case of a Xen domU is that there's no good source
}> } of entropy. On native systems we use the hard disk as a source
}> } of entropoy; but on a domU it's disabled because others domU could 
interfere
}> } with it.
}> } rndctl should show xennets as a possible source of entropy, but it has
}> } to be enabled manually.
}> 
}> How would I enable it manually?
}
}'rndctl -l' should list it; you should be able to enable it with
}'rndctl -c'

'rndctl -l' doesn't list any devices, as shown above.

Tracy J. Di Marco White
Information Technology Services
Iowa State University