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. thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
