thank you for your quick reply and a big thank you for your support :-)

i added your option to the options line.....

i will let you know if it works in 2-3 days

ps. i tried 2 pools... same effect on both pools

happy developing from switzerland

/.mario'

dear minera community....

i mine now for 4 days with minera and 4x gridseed g-blade

i monitored now a longer session....

you see in the pdf file that slowly the miner stop working

you can see it on the last page. this is the pool statistics... and between the red lines i sleeping.... hashrate go down

https://dl.dropboxusercontent.com/u/50282487/minera.pdf

is this a known issue?

setup:
raspberry pi
4x gridseed g blade
newest minera update
Gbit Lan
50Mbit Internet
no wlan
raspberry get power from USB hub
7 port usb hub
1 g blade connectet directly to raspberry

tried some reconnect and restarts of the hardware

thank you in advance for tips and hints

/.mario'