> Can you send output from "pciconf -lv" maybe there is a USB controller not
> recognized?

dmesg and pciconf have them all, the device is always plugged in ehci0.
[The other ports act the same way... usbstick recognized, this device isn't.]
I should probably try under windows.

Is there a way to actively probe out for a device from a usb port?

uhci0: <Intel 82801DB (ICH4) USB controller USB-A> port 0xd800-0xd81f
irq 16 at device 29.0 on pci0
usbus0 on uhci0
uhci1: <Intel 82801DB (ICH4) USB controller USB-B> port 0xd000-0xd01f
irq 19 at device 29.1 on pci0
usbus1 on uhci1
uhci2: <Intel 82801DB (ICH4) USB controller USB-C> port 0xd400-0xd41f
irq 18 at device 29.2 on pci0
usbus2 on uhci2
ehci0: <Intel 82801DB/L/M (ICH4) USB 2.0 controller> mem
0xee080000-0xee0803ff irq 23 at device 29.7 on pci0
usbus3: EHCI version 1.0
usbus3 on ehci0
uhub0: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus0
uhub1: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus1
uhub2: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus2
uhub3: <Intel EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus3

uhci0@pci0:0:29:0:      class=0x0c0300 card=0x01471028 chip=0x24c28086
rev=0x02 hdr=0x00
    vendor     = 'Intel Corporation'
    device     = '82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller *1'
    class      = serial bus
    subclass   = USB
uhci1@pci0:0:29:1:      class=0x0c0300 card=0x01471028 chip=0x24c48086
rev=0x02 hdr=0x00
    vendor     = 'Intel Corporation'
    device     = '82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller *2'
    class      = serial bus
    subclass   = USB
uhci2@pci0:0:29:2:      class=0x0c0300 card=0x01471028 chip=0x24c78086
rev=0x02 hdr=0x00
    vendor     = 'Intel Corporation'
    device     = '82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller *3'
    class      = serial bus
    subclass   = USB
ehci0@pci0:0:29:7:      class=0x0c0320 card=0x01471028 chip=0x24cd8086
rev=0x02 hdr=0x00
    vendor     = 'Intel Corporation'
    device     = '82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB 2.0 EHCI Controller'
    class      = serial bus
    subclass   = USB
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