On Mon, Jan 19, 2015 at 9:57 AM, Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx> wrote: > 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 OK. We're tracking this in the bug Robert filed here: https://bugzilla.redhat.com/show_bug.cgi?id=1183289 The patch should be in the next Fedora kernel build, so hopefully we can get back to you soon. josh -- 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
