USB devices sometimes not seen at boot time

[Matthias Apitz]

On Friday, 30 June 2017 12:46:06 CEST, Hans Petter Selasky 
<hps at selasky.org> wrote:
> On 06/30/17 12:30, Matthias Apitz wrote:
>> El día viernes, junio 30, 2017 a las 08:34:21a. m. +0200, 
>> Matthias Apitz escribió:
>> 
>>> Hi,
>>>
>>> Thanks for the hint. I disabled the three entries for uhci, 
>>> ohci and ehci:
>>>
>>> # USB support
>>> options         USB_DEBUG               # enable debug msgs
>>> # device                uhci            # UHCI PCI->USB interface
>>> # device                ohci            # OHCI PCI->USB interface
>>> # device                ehci            # EHCI PCI->USB 
>>> interface (USB 2.0)
>>> device          xhci                    # XHCI PCI->USB 
>>> interface (USB 3.0)
>>> device          usb                     # USB Bus (required)
>>> device          ukbd                    # Keyboard
>>> device          umass                   # Disks/Mass storage 
>>> - Requires scbus and da
>>>
>>> and maybe this will help already. I will let you know and update the PR
>>> later the day.
>> 
>> The new kernel detects fine the uTrust Token on USB:
>> 
>> $ dmesg | egrep 'ugen|uhub|xhci|ehci'
>> xhci0: <Intel Panther Point USB 3.0 controller> mem 
>> 0xe0500000-0xe050ffff at device 20.0 on pci0
>> xhci0: 32 bytes context size, 64-bit DMA
>> xhci0: Port routing mask set to 0xffffffff
>> usbus0 on xhci0
>> ugen0.1: <0x8086 XHCI root HUB> at usbus0
>> uhub0: <0x8086 XHCI root HUB, class 9/0, rev 3.00/1.00, addr 1> on usbus0
>> uhub0: 13 ports with 13 removable, self powered
>> ugen0.2: <SunplusIT Inc HD WebCam> at usbus0
>> ugen0.3: <vendor 0x0489 product 0xe056> at usbus0
>> ugen0.4: <Identiv uTrust 3512 SAM slot Token> at usbus0
>> 
> 
> OK, nice to know. We might want to delay the attachment of the 
> ehci/ohci/uhci drivers after xhci by default if this is a widespread issue.
> 

If you want me to test some patch/changes, just let me know.

matthias



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