(with acpiphp module) After pluggin in the USB 3.0 card:

Jun 11 14:16:30 roland-ppt kernel: [  448.277581] pci 0000:05:00.0: [1033:0194] type 00 class 0x0c0330
Jun 11 14:16:30 roland-ppt kernel: [  448.277649] pci 0000:05:00.0: reg 10: [mem 0x00000000-0x00001fff 64bit]
Jun 11 14:16:30 roland-ppt kernel: [  448.277930] pci 0000:05:00.0: PME# supported from D0 D3hot
Jun 11 14:16:30 roland-ppt kernel: [  448.285575] pci 0000:05:00.0: BAR 0: assigned [mem 0xf1c00000-0xf1c01fff 64bit]
Jun 11 14:16:30 roland-ppt kernel: [  448.285617] pci 0000:05:00.0: no hotplug settings from platform
Jun 11 14:16:30 roland-ppt kernel: [  448.285634] pci 0000:05:00.0: enabling device (0000 -> 0002)
Jun 11 14:16:30 roland-ppt kernel: [  448.286019] xhci_hcd 0000:05:00.0: xHCI Host Controller
Jun 11 14:16:30 roland-ppt kernel: [  448.286036] xhci_hcd 0000:05:00.0: new USB bus registered, assigned bus number 3
Jun 11 14:16:30 roland-ppt kernel: [  448.286331] xhci_hcd 0000:05:00.0: irq 42 for MSI/MSI-X
Jun 11 14:16:30 roland-ppt kernel: [  448.286346] xhci_hcd 0000:05:00.0: irq 43 for MSI/MSI-X
Jun 11 14:16:30 roland-ppt kernel: [  448.286358] xhci_hcd 0000:05:00.0: irq 44 for MSI/MSI-X
Jun 11 14:16:30 roland-ppt kernel: [  448.286370] xhci_hcd 0000:05:00.0: irq 45 for MSI/MSI-X
Jun 11 14:16:30 roland-ppt kernel: [  448.286384] xhci_hcd 0000:05:00.0: irq 46 for MSI/MSI-X
Jun 11 14:16:30 roland-ppt kernel: [  448.286599] usb usb3: New USB device found, idVendor=1d6b, idProduct=0002
Jun 11 14:16:30 roland-ppt kernel: [  448.286604] usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1
Jun 11 14:16:30 roland-ppt kernel: [  448.286608] usb usb3: Product: xHCI Host Controller
Jun 11 14:16:30 roland-ppt kernel: [  448.286612] usb usb3: Manufacturer: Linux 3.8.0-23-generic xhci_hcd
Jun 11 14:16:30 roland-ppt kernel: [  448.286616] usb usb3: SerialNumber: 0000:05:00.0
Jun 11 14:16:30 roland-ppt kernel: [  448.286756] xHCI xhci_add_endpoint called for root hub
Jun 11 14:16:30 roland-ppt kernel: [  448.286759] xHCI xhci_check_bandwidth called for root hub
Jun 11 14:16:30 roland-ppt kernel: [  448.286809] hub 3-0:1.0: USB hub found
Jun 11 14:16:30 roland-ppt kernel: [  448.286823] hub 3-0:1.0: 2 ports detected
Jun 11 14:16:30 roland-ppt kernel: [  448.286939] xhci_hcd 0000:05:00.0: xHCI Host Controller
Jun 11 14:16:30 roland-ppt kernel: [  448.286946] xhci_hcd 0000:05:00.0: new USB bus registered, assigned bus number 4
Jun 11 14:16:30 roland-ppt kernel: [  448.289731] usb usb4: New USB device found, idVendor=1d6b, idProduct=0003
Jun 11 14:16:30 roland-ppt kernel: [  448.289733] usb usb4: New USB device strings: Mfr=3, Product=2, SerialNumber=1
Jun 11 14:16:30 roland-ppt kernel: [  448.289735] usb usb4: Product: xHCI Host Controller
Jun 11 14:16:30 roland-ppt kernel: [  448.289737] usb usb4: Manufacturer: Linux 3.8.0-23-generic xhci_hcd
Jun 11 14:16:30 roland-ppt kernel: [  448.289739] usb usb4: SerialNumber: 0000:05:00.0
Jun 11 14:16:30 roland-ppt kernel: [  448.290105] xHCI xhci_add_endpoint called for root hub
Jun 11 14:16:30 roland-ppt kernel: [  448.290109] xHCI xhci_check_bandwidth called for root hub
Jun 11 14:16:30 roland-ppt kernel: [  448.290162] hub 4-0:1.0: USB hub found
Jun 11 14:16:30 roland-ppt kernel: [  448.290176] hub 4-0:1.0: 2 ports detected


but after plugin the Disk into the Card:

Jun 11 14:16:45 roland-ppt kernel: [  463.452182] xhci_hcd 0000:05:00.0: remove, state 4
Jun 11 14:16:45 roland-ppt kernel: [  463.452221] usb usb4: USB disconnect, device number 1
Jun 11 14:16:45 roland-ppt kernel: [  463.452502] xHCI xhci_drop_endpoint called for root hub
Jun 11 14:16:45 roland-ppt kernel: [  463.452505] xHCI xhci_check_bandwidth called for root hub
Jun 11 14:16:45 roland-ppt kernel: [  463.452863] xhci_hcd 0000:05:00.0: Host not halted after 16000 microseconds.
Jun 11 14:16:45 roland-ppt kernel: [  463.452879] xhci_hcd 0000:05:00.0: USB bus 4 deregistered
Jun 11 14:16:45 roland-ppt kernel: [  463.453199] xhci_hcd 0000:05:00.0: remove, state 4
Jun 11 14:16:45 roland-ppt kernel: [  463.453206] usb usb3: USB disconnect, device number 1
Jun 11 14:16:45 roland-ppt kernel: [  463.454132] xHCI xhci_drop_endpoint called for root hub
Jun 11 14:16:45 roland-ppt kernel: [  463.454135] xHCI xhci_check_bandwidth called for root hub
Jun 11 14:16:45 roland-ppt kernel: [  463.455203] xhci_hcd 0000:05:00.0: Host not halted after 16000 microseconds.
Jun 11 14:16:45 roland-ppt kernel: [  463.455552] xhci_hcd 0000:05:00.0: USB bus 3 deregistered

Disk isn't found, but mouse is extremely slow (interrupt problem ?)
(no cpu usage or wait-io)
remove the card, and mouse functions fine.