Re: Touchpad/trackpad not working

On 08/11/15 16:40, Anthony Jenkins via freebsd-usb wrote:
>
> hid_is_mouse() is failing to tell that your Synaptics USB HID device is
> a mouse, but /only/ when there's no other USB (HID) device on that USB
> bus (usbus0).  I suspect it has to do with the hid_get_item() warnings
> about chopping stuff off.  I can't tell from the source code for
> hid_get_item() (a 313-line function) why it's behaving that way, or why
> a totally different HID device (Logitech mouse) causes it to behave
> differently for this HID device (Synaptics touchpad).  I've added
> freebsd-usb@ to see if they know what's going on.
>
>      ajenkins@kubuntu-ajenkins:~/Downloads$ grep usbus0
>      dmesg_with_external_usb.txt
>      usbus0: waiting for BIOS to give up control
>      usbus0 on xhci0
>      random: harvesting attach, 8 bytes (4 bits) from usbus0
>      usbus0: 5.0Gbps Super Speed USB v3.0
>      ugen0.1: <0x8086> at usbus0
>      uhub0: <0x8086 XHCI root HUB, class 9/0, rev 3.00/1.00, addr 1> on
>      usbus0
>      Root mount waiting for: usbus2 usbus1 usbus0
>      ugen0.2: <Logitech> at usbus0
>      ukbd0: <Logitech USB Receiver, class 0/0, rev 2.00/12.01, addr 1> on
>      usbus0
>      Root mount waiting for: usbus0
>      ugen0.3: <Generic> at usbus0
>      Root mount waiting for: usbus0
>      ugen0.4: <vendor 0x06cb> at usbus0
>      ugen0.5: <Chicony Electronics Co.,Ltd.> at usbus0
>      Root mount waiting for: usbus0
>      Root mount waiting for: usbus0
>      [snip]
>      Root mount waiting for: usbus0
>      Root mount waiting for: usbus0
>      ugen0.6: <Unknown> at usbus0 (disconnected)
>      ums0: <Logitech USB Receiver, class 0/0, rev 2.00/12.01, addr 1> on
>      usbus0
>      ums1: <vendor 0x06cb product 0x2970, class 0/0, rev 2.00/0.08, addr
>      3> on usbus0
>      uhid0: <Logitech USB Receiver, class 0/0, rev 2.00/12.01, addr 1> on
>      usbus0
>
> What possessed the laptop manufacturer to hang the Synaptics touchpad
> device off a USB 3.0 controller is beyond me... I have problems booting
> FreeBSD off USB 3.0 mass storage devices.
>

Hi,

Does your mouse only fail to work in X-org, or also the console?

Run "usbdump -i usbusX -f Y -s 65536 -vvv" to catch USB events for 
ugenX.Y. That might give some further clues.

If using X.org, do you use hald or devd backend?

--HPS