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intel usb3 1e31 freezes el capitan at boot, reports inside


chriz74
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I've got an Asus x301a with x401a signed motherboard, ivy bridge chipset and intel usb 1e31 extensible host controller.

No matter what, if I enable xhci in bios the machine won't boot and will freeze at this point:

 

6Ho4H5y.jpg

 

 

These are the only options in bios regarding XHCI:

 

ylEdB8X.jpg

 

This is the report under Windows for the xhci hub (made with treeview):

 

    ===================== USB Host Controller =======================


        +++++++++++++++++ Device Information ++++++++++++++++++
Friendly Name            : Controller host Intel(R) USB 3.0 eXtensible - 1.0 (Microsoft)
Device Description       : Controller host USB conforme a xHCI
Device ID                : PCI\VEN_8086&DEV_1E31&SUBSYS_14F71043&REV_04\3&11583659&0&A0
Vendor                   : Intel
Driver KeyName           : {36fc9e60-c465-11cf-8056-444553540000}\0000 (GUID_DEVCLASS_USB)
Driver                   : C:\Windows\System32\drivers\USBXHCI.SYS (Version: 10.0.10586.0  Date: 2015-10-30)
Driver Inf               : C:\Windows\inf\usbxhci.inf
Legacy BusType           : PCIBus
Class                    : USB
Service                  : USBXHCI
Enumerator               : PCI
Location Info            : Bus PCI 0, dispositivo 20, funzione 0
Manufacturer Info        : Controller host USB xHCI generico
Capabilities             : 0x00 (-)
Address                  : 1310720
Problem Code             : 0
Power State              : D0 (supported: D0, D3, wake from D3)
 Child Device 1          : Hub radice USB (xHCI)
  Device ID              : USB\ROOT_HUB30\4&207806B2&0&0
  Class                  : USB


        --------------- USB Hostcontroller Info0 --------------
PciVendorId              : 0x8086 (Intel)
PciDeviceId              : 0x1E31
PciRevision              : 0x04
NumberOfRootPorts        : 0x04 (4 Ports)
ControllerFlavor         : 0x00 (0 = USB_HcGeneric)
HcFeatureFlags           : 0x00
 Port Power Switching    : no
 Selective Suspend       : no
 Legacy BIOS             : no


Roothub Symbolic Link    : USB#ROOT_HUB30#4&207806b2&0&0#{f18a0e88-c30c-11d0-8815-00a0c906bed8}


        ----------- USB Hostcontroller BusStatistics ----------
DeviceCount              : 0x02 (2)
CurrentSystemTime        : 0x01D18FCF7F995165 (2016-04-06 08:42:33)
CurrentUsbFrame          : 0x32D15 (208149)
BulkBytes                : 0x00 (0)
IsoBytes                 : 0x00 (0)
InterruptBytes           : 0x00 (0)
ControlDataBytes         : 0x00 (0)
PciInterruptCount        : 0x01 (1)
HardResetCount           : 0x00 (0)
WorkerSignalCount        : 0x00 (0)
CommonBufferBytes        : 0x00 (0)
WorkerIdleTimeMs         : 0x00 (0)
RootHubEnabled           : 0x01 (yes)
RootHubDevicePowerState  : 0x00 (D0)
Unused                   : 0x00 (0)
NameIndex                : 0x00 (0)

More in this complete report: UsbTreeView_report.txt

 

The report was done with an usb 2.0 device and an usb 3.0 device connected, (and the webcam which is connected internally).

 

post-76108-0-13296900-1459934016_thumb.jpg

 

Here is my DSDT which is patched correctly, I think.

 

Does anyone have a clue why of this behaviour? The port worked with Yosemite only with genericusbxhci kext, it didn't work natively, the system would boot but it would freeze instantly if plugging an usb3 device.

 

 

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