Try to apply this patch to kernel 3.8.0. Make sure the ehci can work fine and lspci show that PCI_COMMAND_INTX_DISABLE is 0. The patch can resolved this issue. #lspci -vv 00:1d.0 USB controller: Intel Corporation Device 0f34 (rev 0a) (prog-if 20 [EHCI]) Subsystem: Intel Corporation Device 7270 Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0 Interrupt: pin A routed to IRQ 23 Region 0: Memory at 90612000 (32-bit, non-prefetchable) [size=1K] Capabilities: [50] Power Management version 3 Flags: PMEClk- DSI- D1- D2- AuxCurrent=375mA PME(D0+,D1-,D2-,D3hot+,D3cold+) Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=0 PME- Capabilities: [58] Debug port: BAR=1 offset=00a0 Capabilities: [98] PCI Advanced Features AFCap: TP+ FLR+ AFCtrl: FLR- AFStatus: TP- Kernel driver in use: ehci-pci dmesg: [ 1.014556] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 1.014559] ehci-pci: EHCI PCI platform driver [ 1.014612] ehci-pci 0000:00:1d.0: setting latency timer to 64 [ 1.014618] ehci-pci 0000:00:1d.0: EHCI Host Controller [ 1.014629] ehci-pci 0000:00:1d.0: new USB bus registered, assigned bus number 1 [ 1.014652] ehci-pci 0000:00:1d.0: debug port 2 [ 1.018562] ehci-pci 0000:00:1d.0: cache line size of 64 is not supported [ 1.018594] ehci-pci 0000:00:1d.0: irq 23, io mem 0x90612000 [ 1.029238] ehci-pci 0000:00:1d.0: USB 2.0 started, EHCI 1.00 [ 1.029274] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002 [ 1.029279] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 1.029283] usb usb1: Product: EHCI Host Controller [ 1.029286] usb usb1: Manufacturer: Linux 3.8.13.13-pci ehci_hcd [ 1.029290] usb usb1: SerialNumber: 0000:00:1d.0 [ 1.029469] hub 1-0:1.0: USB hub found [ 1.029785] ehci-platform: EHCI generic platform driver [ 1.340641] usb 1-1: new high-speed USB device number 2 using ehci-pci [ 1.473442] usb 1-1: New USB device found, idVendor=8087, idProduct=07e6 [ 1.473447] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1.475095] hub 1-1:1.0: USB hub found [ 1.749587] usb 1-1.2: new high-speed USB device number 3 using ehci-pci [ 1.841046] usb 1-1.2: New USB device found, idVendor=05e3, idProduct=0608 [ 1.841052] usb 1-1.2: New USB device strings: Mfr=0, Product=1, SerialNumber=0 [ 1.841056] usb 1-1.2: Product: USB2.0 Hub [ 1.841469] hub 1-1.2:1.0: USB hub found [ 2.115558] usb 1-1.2.1: new high-speed USB device number 4 using ehci-pci [ 2.208321] usb 1-1.2.1: New USB device found, idVendor=05e3, idProduct=0608 [ 2.208327] usb 1-1.2.1: New USB device strings: Mfr=0, Product=1, SerialNumber=0 [ 2.208331] usb 1-1.2.1: Product: USB2.0 Hub [ 2.209113] hub 1-1.2.1:1.0: USB hub found [ 2.283104] usb 1-1.2.3: new low-speed USB device number 5 using ehci-pci [ 2.378487] usb 1-1.2.3: New USB device found, idVendor=03f0, idProduct=0c4a [ 2.378492] usb 1-1.2.3: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 2.378496] usb 1-1.2.3: Product: HP [ 2.378500] usb 1-1.2.3: Manufacturer: HP [ 2.385945] usbcore: registered new interface driver usbhid [ 2.385950] usbhid: USB HID core driver [ 11.550722] input: HP HP as /devices/pci0000:00/0000:00:1d.0/usb1/1-1/1-1.2/1-1.2.3/1-1.2.3:1.0/input/input5 [ 11.550963] hid-generic 0003:03F0:0C4A.0001: input,hidraw0: USB HID v1.11 Mouse [HP HP] on usb-0000:00:1d.0-1.2.3/input0 Jamie -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
