Disconnects every 15 seconds

Hans Petter Selasky hps at selasky.org
Sun Dec 14 18:52:35 UTC 2014


On 12/14/14 19:26, Randall Fox wrote:
> Thanks for the reply...  Here are the answers to you questions.
>
>> What USB controllers are you using? EHCI/XHCI/OHCI/UHCI?
> I'm not sure how to check this, but it looks like it's using EHCI, at least
> it shows that when running usbconfig:
> $ usbconfig
>
> ugen0.1: <EHCI root HUB Intel> at usbus0, cfg=0 md=HOST spd=HIGH (480Mbps)
> pwr=SAVE (0mA)
> ugen1.1: <EHCI root HUB Intel> at usbus1, cfg=0 md=HOST spd=HIGH (480Mbps)
> pwr=SAVE (0mA)
> ugen0.2: <product 0x0024 vendor 0x8087> at usbus0, cfg=0 md=HOST spd=HIGH
> (480Mbps) pwr=SAVE (0mA)
> ugen1.2: <product 0x0024 vendor 0x8087> at usbus1, cfg=0 md=HOST spd=HIGH
> (480Mbps) pwr=SAVE (0mA)
> ugen0.3: <Hermon USB hidmouse Device Winbond Electronics Corp> at usbus0,
> cfg=0 md=HOST spd=FULL (12Mbps) pwr=ON (100mA)
> ugen1.3: <Cruzer SanDisk> at usbus1, cfg=0 md=HOST spd=HIGH (480Mbps)
> pwr=ON (200mA)
> ugen1.4: <TRIPP LITE SMART1500RM2U Tripp Lite> at usbus1, cfg=0 md=HOST
> spd=LOW (1.5Mbps) pwr=ON (0mA)
>
>
>> Are all USB controller drivers loaded?
>
> I would assume so.  Since the device is USB HID, I don't have any device
> specific drivers to load.  And since the mouse/keyboard etc, loads fine,and
> I don't see any errors in the logs.  If there is somewhere else I should
> check, just point me in that direction.  I would assume if it was a driver
> problem, the communication to the device would not work at all.  I can
> communicate with it, it just disconnects and reconnects frequently.
>
>> Did you try connecting the device through an external USB HUB?
>
> Just did, here is the result.  Interesting, but still the same result, but
> with more info.  The hub I used is part of my monitor, a new Dell with a
> USB3 hub in it.  I had to lug it into the server room.  I usually run
> headless.
>

Hi,

Can you send the output from "pciconv -lv" especially those lines which 
relate to USB controllers?

Also try setting:

sysctl hw.usb.no_cs_fail=1

--HPS



More information about the freebsd-usb mailing list