Before:

uhci0: <VIA 83C572 USB controller> port 0xe500-0xe51f irq 11 at device 16.0 on pci0
usb0: <VIA 83C572 USB controller> on uhci0
usb0: USB revision 1.0
uhub0: VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
uhub0: port error, restarting port 1
uhub0: port error, giving up port 1
sched_ithd: stray interrupt 7
sched_ithd: stray interrupt 7
sched_ithd: stray interrupt 7
sched_ithd: stray interrupt 7
sched_ithd: stray interrupt 7
sched_ithd: stray interrupt 7
sched_ithd: stray interrupt 7
sched_ithd: stray interrupt 7
sched_ithd: stray interrupt 7
sched_ithd: stray interrupt 7
sched_ithd: stray interrupt 7
sched_ithd: stray interrupt 7
sched_ithd: stray interrupt 7
sched_ithd: stray interrupt 7
ums0: Logitech USB-PS/2 Optical Mouse, rev 2.00/21.00, addr 2, iclass 3/1
sched_ithd: stray interrupt 7
ums0: 8 buttons and Z dir.
sched_ithd: stray interrupt 7
sched_ithd: stray interrupt 7
sched_ithd: stray interrupt 7
sched_ithd: stray interrupt 7
uhci1: <VIA 83C572 USB controller> port 0xe600-0xe61f irq 11 at device 16.1 on pci0
usb1: <VIA 83C572 USB controller> on uhci1
usb1: USB revision 1.0
uhub1: VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub1: 2 ports with 2 removable, self powered
uhub1: port error, restarting port 1
uhub1: port error, giving up port 1
uhci2: <VIA 83C572 USB controller> port 0xe700-0xe71f irq 11 at device 16.2 on pci0
usb2: <VIA 83C572 USB controller> on uhci2
usb2: USB revision 1.0
uhub2: VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub2: 2 ports with 2 removable, self powered
uhub2: port error, restarting port 1
uhub2: port error, giving up port 1
uhci3: <VIA 83C572 USB controller> port 0xe800-0xe81f irq 11 at device 16.3 on pci0
usb3: <VIA 83C572 USB controller> on uhci3
usb3: USB revision 1.0
uhub3: VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub3: 2 ports with 2 removable, self powered
uhub3: port error, restarting port 1
uhub3: port error, giving up port 1
pci0: <USB controller> at 16.4 irq 10


After:

uhci0: <VIA 83C572 USB controller> port 0xe500-0xe51f irq 11 at device 16.0 on pci0
usb0: <VIA 83C572 USB controller> on uhci0
usb0: USB revision 1.0
uhub0: 2 ports with 2 removable, self powered
uhci1: <VIA 83C572 USB controller> port 0xe600-0xe61f irq 11 at device 16.1 on pci0
usb1: <VIA 83C572 USB controller> on uhci1
usb1: USB revision 1.0
uhub1: 2 ports with 2 removable, self powered
uhci2: <VIA 83C572 USB controller> port 0xe700-0xe71f irq 11 at device 16.2 on pci0
usb2: <VIA 83C572 USB controller> on uhci2
usb2: USB revision 1.0
uhub2: 2 ports with 2 removable, self powered
uhci3: <VIA 83C572 USB controller> port 0xe800-0xe81f irq 11 at device 16.3 on pci0
usb3: <VIA 83C572 USB controller> on uhci3
usb3: USB revision 1.0
uhub3: 2 ports with 2 removable, self powered
pci0: <USB controller> at 16.4 irq 10