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Hello,
my usb webcam logitech c920 doesn't work when connected to my usb 3.0
host controller (Etron EJ168a). when connected to a usb 2.0 host
controller it works perfectly. when i connect my usb 3.0 stick to the
same port it's recognized and also works - just not the webcam.
disabling usb 3.0 legacy mode (xhci) in my bios doesn't change anything,
it's still used instead of ehci. kernel problem?
lspci
06:00.0 USB controller: Etron Technology, Inc. EJ168 USB 3.0 Host Controller
(rev 01)
dmesg | grep usb
usb 3-1: Not enough bandwidth for altsetting 3
3:3:3: usb_set_interface failed (-22)
dmesg | grep xhci
xhci_hcd 0000:06:00.0: ERROR: unexpected command completion code 0x11.
Ubuntu 14.04 x64
3.13.0-24-generic
Mainboard: Asrock Z68 Pro3 Gen3
Bios: P2.30 (latest)
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: bot-comment webcam xhci
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xhci usb 3.0 logitech c920 not working
https://bugs.launchpad.net/bugs/1319443
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