Flickering connection to UPS (again, but now I'm sure it is Ok under Windows)

Lev Serebryakov lev at FreeBSD.org
Thu May 6 19:34:09 UTC 2021


On 06.05.2021 21:07, Hans Petter Selasky wrote:

> What does usbconfig say?
  FreeBSD 13 ~year old (main system which needs to know this UPS status):

root at gateway:~ # usbconfig
ugen0.1: <0x8086 XHCI root HUB> at usbus0, cfg=0 md=HOST spd=SUPER (5.0Gbps) pwr=SAVE (0mA)
ugen0.2: <PPC Offline UPS> at usbus0, cfg=0 md=HOST spd=LOW (1.5Mbps) pwr=ON (100mA)
root at gateway:~ # usbconfig
ugen0.1: <0x8086 XHCI root HUB> at usbus0, cfg=0 md=HOST spd=SUPER (5.0Gbps) pwr=SAVE (0mA)
root at gateway:~ #

> Can you enable host controller debugging:
> 
> hw.usb.xhci.debug=17
> hw.usb.ehci.debug=17
> hw.usb.uhci.debug=17
> hw.usb.ohci.debug=17
  Need debug support (unknown oid 'hw.usb.xhci.debug'). Looks like I need "test" laptop with debug kernel. I'll do it and report back.

-- 
// Lev Serebryakov


More information about the freebsd-usb mailing list