On 09/03/2017 08:46 AM, David via USRP-users wrote:
Hey all,
Thanks for the replies, didn't realise it would work on USB2... so I...
- plugged into USB2 port
- no boot up problems with the udev rule enabled
- get similar device read errors, until the device is unplugged & plugged back in
- then uhd_usrp_probe works, no corruption of the fs :-)
- takes much longer to load fw!
- can't run uhd_fft however (...LIBUSB_ERROR_NO_DEVICE...)

So using USB2 port seems OK, but need to unplug, plug in the device after each reboot, can do a uhd_usrp_probe with no issues, and reboot OK, but uhd_fft fails (is that expected?).

Why the difference between USB2 and USB3, thought the power (500mA) was the same?

I've been wondering about power, esp. since reading the odroid forums, I think, as you say Nate, a powered hub, or Y adaptor (I didn't know about that) is the next step...

Marcus, is there a location for the Arch image please? I saw a previous post from you about using b2x0's with XU4... :-)

Many Thanks,
Dave

https://archlinuxarm.org/platforms/armv7/samsung/odroid-xu4

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