USB reset fails when using a LimeSDR Mini on FreeBSD

Gary Jennejohn gljennjohn at gmail.com
Sat Jun 27 16:04:28 UTC 2020


On Sat, 27 Jun 2020 17:53:01 +0200
Tomasz CEDRO <tomek at cedro.info> wrote:

> Another idea: are you sure you are using valid usb cable and capable usb
> port? Please try with another short length certified cable and use direct
> usb 3.0 port with no usb hub. Cables and HUBs (even those built-in) are the
> most common problem :-)
> 

Lookig at the libusb code, libusb_reset_device() only returns an error if
resetting the device fails.

Resetting the device requires making ioctl() calls into the kernel.

ioctl() calls pretty much always require root permissions.

-- 
Gary Jennejohn


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