On 19.01.2015 15:47, Josh Boyer wrote: > On Mon, Jan 19, 2015 at 8:33 AM, Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: >> On Mon, Jan 19, 2015 at 08:28:19AM -0500, Josh Boyer wrote: >>> On Sun, Jan 18, 2015 at 1:25 AM, Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: >>>> On Sun, Jan 18, 2015 at 12:08:18AM -0600, Robert Hancock wrote: >>>>> I've got an Intel Haswell-based system with a Gigabyte Z87X-D3H motherboard >>>>> under Fedora 21. After updating to the 3.18.2-200 Fedora kernel, I noticed >>>>> some errors in dmesg and at least some of my USB3 ports don't recognize any >>>>> USB3 devices plugged into them: >>>>> >>>>> [ 0.560838] xhci_hcd 0000:00:14.0: Error while assigning device slot ID >>>>> [ 0.560912] xhci_hcd 0000:00:14.0: Max number of devices this xHCI host >>>>> supports is 32. >>>>> [ 0.560990] usb usb2-port2: couldn't allocate usb_device >>>>> [ 0.561098] xhci_hcd 0000:00:14.0: Error while assigning device slot ID >>>>> [ 0.561163] xhci_hcd 0000:00:14.0: Max number of devices this xHCI host >>>>> supports is 32. >>>>> [ 0.561239] usb usb2-port5: couldn't allocate usb_device >>>>> [ 0.561344] xhci_hcd 0000:00:14.0: Error while assigning device slot ID >>>>> [ 0.561409] xhci_hcd 0000:00:14.0: Max number of devices this xHCI host >>>>> supports is 32. >>>>> [ 0.561484] usb usb2-port6: couldn't allocate usb_device >>>>> >>>>> This worked fine under 3.17. Is this a known problem? >>>> >>>> Yes it is, should be fixed in Linus's tree now and will be backported to >>>> the latest 3.18-stable tree in a week or so. >>> >>> Do you happen to know the commit id? >> >> f161ead70fa6a62e432dff6e9dab8e3cfbeabea6 > > Thanks! > Tell me if this fixed the issue. I got this gut feeling this might be something else. It should have failed in 3.17 as well -Mathias -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
