Hi, i've bought a second 6920 month ago. After some hours (maybe a day) working correct the firmware upload failes with following messages (there is also a qbox2 plugged in) [148457.465540] cx24116_readreg: reg=0x1f (error=-5) [148457.478476] cx24116_readreg: reg=0x1f (error=-5) [148457.491495] cx24...