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I am using buildroot-2014.05 git.It has been cross-compiled to below toolchains. "ELF 32-bit LSB shared object, MIPS, MIPS32 rel2 version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.16, not stripped "

I am getting below error message.

# hciconfig 
Can't open HCI socket.: Address family not supported by protocol
Abhijit Sahu
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2 Answers2

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Sounds like your kernel is not configured correctly. In your kernel config make sure CONFIG_BT and the appropriate configs beneath that are enabled.

zeus_masta_funk
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  1. Ensure the corresponding kernel modules are loaded. You should have at least bluetooth, btusb when running the following:

    lsmod | grep bluetooth

  2. If the kernel modules did not show up, try adding them:

    modprobe -vvv bluetooth modprobe -vvv btusb

  3. If modprobe failed, check the files in /etc/modprobe.d in cases they are
    black-listed there.

Ding-Yi Chen
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