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? 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
