I am following all instructions in the manual for usb serial from linux PC to Udoo. I am using udoobuntu 2.0 minimal edition. It seems to work when it boots but it quits before I can login. Using minicom I get: (SNIPPED) Code: [ 3.130526] init: mounted-proc main process (119) terminated with status 1 [ 10.927096] NET: Registered protocol family 10 [ 12.554004] ov5640_read_reg:write reg error:reg=300a [ 12.603421] ERROR: v4l2 capture: slave not found! [ 12.612184] ERROR: v4l2 capture: slave not found! [ OK ]ding cpufreq kernel modules... * CPUFreq Utilities: Setting ondemand CPUFreq governor... * CPU0... * CPU1... [ OK ] * CPU2... * CPU3... [ OK ]rting Postfix Mail Transport Agent postfix [ OK ]ting sysfs variables... It always stops at "sysfs variables..." and minicom says "offline" in the status bar. On the client side I am using debian stable jessie. Anybody have any ideas?