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[Didier 'Ptitjes' <1448566@xxxxxxxxxxxxxxxxxx>]

@morphis Yep, I confirm the problem as described there by Marcel
Holtmann is correct. I tried his test fix and it does indeed make the
controller work. I was able to pair and use my keyboard and track-pad
without problem.

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https://bugs.launchpad.net/bugs/1448566

Title:
  Ubuntu 15.04 - Macbook Pro Early 2015 (12,1) Bluetooth disabled

Status in bluez package in Ubuntu:
  Invalid
Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Fresh install of 15.04 on a Macbook Pro 12,1.

  I get no Bluetooth icon in the status bar, and in System Settings >
  Bluetooth, everything is greyed out (i.e., can't turn it on).

  
  $lsusb; dmesg | grep -i bluetooth; dmesg | grep -i firmware; rfkill list all; lsmod | grep bluetooth; hciconfig -a; uname -a

  Bus 002 Device 002: ID 05ac:8406 Apple, Inc.
  Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
  Bus 001 Device 003: ID 05ac:0273 Apple, Inc.
  Bus 001 Device 004: ID 05ac:8290 Apple, Inc.
  Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  [ 32.369395] usb 1-3: Product: Bluetooth USB Host Controller
  [ 32.435743] input: Broadcom Corp. Bluetooth USB Host Controller as /devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3:1.0/0003:05AC:8290.0006/input/input7
  [ 32.490662] hid-generic 0003:05AC:8290.0006: input,hidraw5: USB HID v1.11 Keyboard [Broadcom Corp. Bluetooth USB Host Controller] on usb-0000:00:14.0-3/input0
  [ 32.490750] input: Broadcom Corp. Bluetooth USB Host Controller as /devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3:1.1/0003:05AC:8290.0007/input/input8
  [ 32.490995] hid-generic 0003:05AC:8290.0007: input,hidraw6: USB HID v1.11 Mouse [Broadcom Corp. Bluetooth USB Host Controller] on usb-0000:00:14.0-3/input1
  [ 34.866186] Bluetooth: Core ver 2.20
  [ 34.866205] Bluetooth: HCI device and connection manager initialized
  [ 34.866751] Bluetooth: HCI socket layer initialized
  [ 34.866754] Bluetooth: L2CAP socket layer initialized
  [ 34.866759] Bluetooth: SCO socket layer initialized
  [ 0.158493] [Firmware Bug]: ACPI: BIOS _OSI(Linux) query ignored
  [ 0.168342] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-9b] only partially covers this bridge
  [ 35.003383] brcmfmac 0000:03:00.0: Direct firmware load for brcm/brcmfmac43602-pcie.txt failed with error -2
  [ 35.290656] brcmf_c_preinit_dcmds: Firmware version = wl0: Mar 13 2015 08:11:08 version 7.35.177.36 (r540934) FWID 01-e4dc15b
  0: phy0: Wireless LAN
   Soft blocked: no
   Hard blocked: no
  bluetooth 491520 1 btusb
  Linux hxn-laptop-linux 3.19.0-15-generic #15-Ubuntu SMP Thu Apr 16 23:32:37 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

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