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    SubjectRe: [PATCH] Revert "Bluetooth: Always enable management interface"
    Hi Keith,

    * Keith Packard <keithp@keithp.com> [2012-03-28 18:19:18 -0700]:

    > This reverts commit 4b95a24ce12c4545fd7d2e3075841dc3119d1d71.
    >
    > My USB bluetooth device does not show up with this patch in place.
    >
    > Signed-off-by: Keith Packard <keithp@keithp.com>
    > ---
    >
    > This patch seems so innocuous, but when added to the kernel, it keeps
    > my USB bluetooth device from appearing to user mode at all. With the
    > mgmt interface enabled:

    It is because it changes the way the userspace <-> kernel interface. We added a
    new interface and that flag was preventing the code to use it by default, but
    now that we finished to implement the new interface it will be enabled by default.

    A consequence is that you'll need to use newer version of bluez, at least 4.99.
    Or call the bluetooth daemon (from a pre 4.99 version) with a parameter to
    disable the new interface:

    $ bluetoothd -P mgmtops

    Then your bluetooth will be back.

    Gustavo


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