On 29/03/15 16:29, Stephen Davies wrote:
When I try to connect my ER9XPro USB device to my Fedora 21 server, it fails
to connect with:
[1024110.158374] usb 1-7: new full-speed USB device number 15 using xhci_hcd
[1024110.312216] usb 1-7: device descriptor read/64, error -71
[1024110.565928] usb 1-7: device descriptor read/64, error -71
[1024110.819660] usb 1-7: new full-speed USB device number 16 using xhci_hcd
[1024110.973497] usb 1-7: device descriptor read/64, error -71
[1024111.227212] usb 1-7: device descriptor read/64, error -71
[1024111.480928] usb 1-7: new full-speed USB device number 17 using xhci_hcd
[1024111.482576] usb 1-7: Device not responding to setup address.
[1024111.693836] usb 1-7: Device not responding to setup address.
[1024111.894473] usb 1-7: device not accepting address 17, error -71
[1024112.047316] usb 1-7: new full-speed USB device number 18 using xhci_hcd
[1024112.047415] usb 1-7: Device not responding to setup address.
[1024112.298755] usb 1-7: Device not responding to setup address.
[1024112.498815] usb 1-7: device not accepting address 18, error -71
[1024112.498836] usb usb1-port7: unable to enumerate USB device
It is a direct connection (no hub).
Any ideas?
Cheers and thanks,
Stephen
I have just tried the same device and cable on a different F21 box and it
worked perfectly.
What can be different between the two F21 boxes to produce these results?
(It is unlikely to be the USB port hardware on the failing box as that port
with the same cable connects perfectly to other USB devices.)
Cheers and thanks,
Stephen
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