On Sun, 2016-09-18 at 19:48 +1200, Pierre de Villemereuil wrote:
> Dear kernel devs,
> I'm using openSUSE Tumbleweed (kernel 4.7.2-2-default) on an ASUS Vivobook 
> Flip TP301UA-C4028T, see here for specs:
> https://www.asus.com/Notebooks/ASUS-VivoBook-Flip-TP301UA/specifications/
> Since my install in July, USB hot-plug (a.k.a. plug'n'play) is not working. 
> To 
> make any USB device working (I tested many USB keys, a slideshow remote 
> control and a mouse), it has to be plugged on boot up or wake up from 
> suspend. 
> Using the following command also make the system aware that USB is connected:
> udevadm trigger
> More information can be found on the following thread on the openSUSE forums:
> https://forums.opensuse.org/showthread.php/519926-No-USB-device-detected

Basically dmesg should show a hotplug. What happens if you unload and
reload the xhci_hcd modules?

And please do

echo "module xhci_hcd +mpf" > /sys/kernel/debug/dynamic_debug/control

(as root) and check dmesg again.


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