On Sat, 1 Nov 2014 18:03+0100, Dag-Erling Smørgrav wrote: > Ian Lepore <i...@freebsd.org> writes: > > Dag-Erling Smørgrav <d...@des.no> writes: > > > I think you misremember. It is impossible to guarantee that the > > > system will always have enough entropy right from the start. > > > Servers, desktops and laptops will be fine, but embedded systems and > > > VMs might not be able to unblock until they've seen some network > > > traffic or loaded a chunk of pre-generated entropy (which is what > > > /etc/rc.d/random does). This is especially true for embedded > > > systems that don't have enumerable buses and rely on fdt(4) to > > > create the device tree at boot time. > > And what about devices that are not connected to a network? > > They still get entropy from interrupts and disk I/O. > > > Oh well, I'm sure I'll be able to find some hacks to undo whatever > > y'all have done now, and we'll just have to carry them as local diffs > > forever. > > How about you take a ****ing chill pill and read what I wrote earlier: > this is a regression which we will try to fix. But the bottom line is > that the entropy has to come from *somewhere* and if whatever dinky > device you're playing with doesn't provide any, that's not our fault. > Buy http://www.amazon.com/dp/0833030477 and type it in, or something. > We're engineers, not magicians.
Sirs, please control your temper, at least while on a public mailing list. What good does the file /entropy do if boot up is delayed everytime during "Writing entropy file:"? > (or maybe you can do something constructive, like write code to harvest > entropy from background noise in ADCs, unused WiFi / 4G / BT radios or > whatever else is available and submit a patch) -- +-------------------------------+------------------------------------+ | Vennlig hilsen, | Best regards, | | Trond Endrestøl, | Trond Endrestøl, | | IT-ansvarlig, | System administrator, | | Fagskolen Innlandet, | Gjøvik Technical College, Norway, | | tlf. mob. 952 62 567, | Cellular...: +47 952 62 567, | | sentralbord 61 14 54 00. | Switchboard: +47 61 14 54 00. | +-------------------------------+------------------------------------+ _______________________________________________ freebsd-current@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"
