Mouse wheel not detected

I'm using 64-bit arch on a MacBook Pro.  The trackpad is working much better now (thanks Allan McRae!) but the mouse wheel on any external mice is not detected.  For example on MacOS I have a Logitech M555b connected via Bluetooth, and magically that mouse keeps working in Arch... but without any wheel.  (aside... that's interesting, it must be that the MB bluetooth has firmware to treat connected HID devices as USB HID? because I didn't even have to mess with bluez to get it working)    Likewise if I plug in an old USB Dell mouse its wheel doesn't work either.  Here's the relevant stuff from Xorg.0.log:
  2746.817] (II) config/udev: Adding input device HID 05ac:820b (/dev/input/event11)
[  2746.817] (**) HID 05ac:820b: Applying InputClass "evdev pointer catchall"
[  2746.817] (**) HID 05ac:820b: always reports core events
[  2746.817] (**) HID 05ac:820b: Device: "/dev/input/event11"
[  2746.829] (**) HID 05ac:820b: ButtonMapping '1 2 3 6 7'
[  2746.829] (--) HID 05ac:820b: Found 3 mouse buttons
[  2746.829] (--) HID 05ac:820b: Found relative axes
[  2746.829] (--) HID 05ac:820b: Found x and y relative axes
[  2746.830] (II) HID 05ac:820b: Configuring as mouse
[  2746.830] (**) HID 05ac:820b: YAxisMapping: buttons 4 and 5
[  2746.830] (**) HID 05ac:820b: EmulateWheelButton: 4, EmulateWheelInertia: 10, EmulateWheelTimeout: 200
[  2746.830] (II) XINPUT: Adding extended input device "HID 05ac:820b" (type: MOUSE)
[  2746.830] (**) HID 05ac:820b: (accel) keeping acceleration scheme 1
[  2746.830] (**) HID 05ac:820b: (accel) acceleration profile 0
[  2746.830] (**) HID 05ac:820b: (accel) acceleration factor: 2.000
[  2746.830] (**) HID 05ac:820b: (accel) acceleration threshold: 4
[  2746.830] (II) HID 05ac:820b: initialized for relative axes.
[  2746.830] (II) config/udev: Adding input device HID 05ac:820b (/dev/input/mouse1)
[  2746.830] (II) No input driver/identifier specified (ignoring)
I tried adding options to force it to 7 buttons in /etc/X11/xorg.conf.d/10-evdev.conf:
Section "InputClass"
        Identifier "evdev pointer catchall"
        MatchIsPointer "on"
        MatchDevicePath "/dev/input/event*"
        Driver "evdev"
   Option         "Buttons" "7"
   Option         "ZAxisMapping" "4 5"
   Option         "ButtonMapping" "1 2 3 6 7"
EndSection
which didn't help.
xev doesn't see events for the wheel.

Hi,
I'm having the same issue, I bought a Logitech Bluetooth mouse, and I found that it works "magically" without any configuration.
The strange thing it's that as far as I know, the btusb.c of kernel 26.36 doesn't have the right string for macbook pro bluetooth controller, so for hcitool, dmesg, etc, there isn't any bluetooth in the system.
The mouse as ecloud told, works, but without the mouse wheel. I'm not sure what would be the best thing to do, if recompile the kernel to make bluetooth work, or maybe it's possible to configure udev to have the wheel working...
Any suggestion or help would be very appreciated!
Thanks,

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