Re: xHCI driver issue (ASMedia Controller using xhci_hcd)

In my case, my scanner problem has been fixed (so far) by tuning off autosuspend: # echo -1 >/sys/module/usbcore/parameters/autosuspend -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at

Re: xHCI driver issue (ASMedia Controller using xhci_hcd)

On Wed, 2016-01-06 at 17:52 +, Steve Graham wrote: > In my case, my scanner problem has been fixed (so far) by tuning off > autosuspend: > > # echo -1 >/sys/module/usbcore/parameters/autosuspend Did you see any other device failing or is it specific to your scanner? Regards

Re: xHCI driver issue (ASMedia Controller using xhci_hcd)

I've been trying to get my scanner working on my newer laptop (entire Linux installation, apart from the kernel (4.2.5) cloned from the old one) and I seem to be seeing the same issue, although I have no problem with USB storage or HID devices on the USB 3 port. Here's a clip from the debug with

Re: xHCI driver issue (ASMedia Controller using xhci_hcd)

Oliver Neukum writes: > > # echo -1 >/sys/module/usbcore/parameters/autosuspend > > Did you see any other device failing or is it specific > to your scanner? > > Regards > Oliver > All other devices I own have worked as expected: mouse, keyboard, storage

xHCI driver issue (ASMedia Controller using xhci_hcd)

Hi list, I originally posted this on libusb-devel [1], but got a friendly redirect here by Alan Stern, hope this is the right place! Let me describe my problem from a "user" standpoint before diving into the technical details: USB 3.0 does not work on my PC flat out. Sometimes USB 3.0 ports work