I have tried both versions with the same result...
after it has worked 3 days in this constellation without problems now I have only errors
I have done replugging a few times (and yes it is a powered USB HUB..)
(LEDs are green and on one item green LED is (was) blinking)

Icarus (ttyUSB1) ERROR: Selftest error. Expected nonce 0xFFFFFEEA but got 0xB317598E.
Icarus (ttyUSB1) ERROR: Too many errors, giving up
2013.06.13 [17:42] Icarus (ttyUSB3): Not getting any results. Retuning timers.
2013.06.13 [17:49] Icarus (ttyUSB3): Not getting any results. Retuning timers.
2013.06.13 [17:49] Icarus (ttyUSB3) ERROR: Selftest error. Expected nonce 0x00000112 but got 0x0171DF3B.
2013.06.13 [20:50] Icarus detection failed. Expected nonce 0x00000109 but got 0xFBFBFBFB.
2013.06.13 [20:50] Probe of port ttyUSB6 failed: timeout
2013.06.13 [20:50] Icarus (ttyUSB9) ERROR: Selftest error. Timed out at 2001 ms.
2013.06.13 [20:50] Icarus (ttyUSB9): Tuning timers.
2013.06.13 [20:50] Icarus (ttyUSB9) ERROR: Selftest error. Expected nonce 0x00000109 but got 0x0000393F.
Ubuntu 12.04
anyone know what to do?
TIA
edit:
one device running has 100% miscalculations
