Bluetooth – Fix Broadcom Corp. Bluetooth 2.0+eDR Dongle Not Working

bluetooth

I have a Broadcom BCM2046, it appears as connected in the bluetooth widget over the panel, and the hcitools drops me data, but it doesn't work at all, I've tried to connect from another device and it's inexistent and viceversa from PC to the device

hcitool dev and lsusb

hci0:   Type: BR/EDR  Bus: USB
BD Address: 89:21:09:79:B5:1B  ACL MTU: 1017:8  SCO MTU: 64:0
UP RUNNING PSCAN ISCAN 
RX bytes:779 acl:0 sco:0 events:27 errors:0
TX bytes:376 acl:0 sco:0 commands:27 errors:0

Bus 001 Device 007: ID 0a5c:4500 Broadcom Corp. BCM2046B1 USB 2.0 Hub (part of       BCM2046 Bluetooth)
Bus 001 Device 008: ID 0a5c:2100 Broadcom Corp. Bluetooth 2.0+eDR dongle

Best Answer

Open up a terminal from Applications -> Accessories. Type:

sudo gedit /etc/modules

At the bottom of the file, make two new lines, like this:

usbserial
option

Then close the editor program and save it. Reboot the computer and hopefully you’ll be right from now on!

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Ubuntu – Bluetooth mouse no longer paired after resuming from suspend since upgrading to 13.10

Bluetooth settings are controlled from configuration files in /etc/bluetooth. For input devices we can define a timeout before a connection will be disconnected. To disable this open /etc/bluetooth/input.conf as root in an editor and either comment out the following line by adding # (as it is done in the example below), or set timeout value to 0:

#IdleTimeout=30 (set to 240)

Other timeouts that can be set in /etc/bluetooth/main.conf may not be affected in your case as they only play a role when a service may be interrupted (e.g. by bad signal strength) and will not be reconnected in case a timeout is set here. Default values for timeouts in main.conf are:

DiscoverableTimeout = 0 Set to whatever
AutoConnectTimeout = 0 Comment this out
PairableTimeout = 0 Set to whatever
PageTimeout = 8192

Also set RememberPowered to false in main.conf

Follow the above instructions to set a longer timeout for reconnect. About the unpairing, it is probably due to Ubuntu thinking the device is gone.

Source: Bluetooth mouse not auto-reconnecting

Ubuntu – Bluetooth can’t be enabled in Ubuntu 14.10

Not supported by the Utopic kernel yet, but it can be made to work

sudo apt-get install build-essential linux-headers-generic
wget https://www.dropbox.com/s/uocd0xqaprm4yvi/bluetooth.utopic.tar.gz
tar -zxf bluetooth.utopic.tar.gz
cd bluetooth
cp /boot/config-$(uname -r) .config
cp /usr/src/linux-headers-$(uname -r)/Module.symvers Module.symvers
make -C /lib/modules/$(uname -r)/build M=$PWD modules
sudo cp btusb.ko /lib/modules/$(uname -r)/kernel/drivers/bluetooth/
wget https://www.dropbox.com/s/f503f6r686riiow/fw-105b_e065.hcd
sudo cp fw-105b_e065.hcd /lib/firmware/brcm/BCM43142A0-105b-e065.hcd
echo btusb | sudo tee -a /etc/modules && sudo modprobe btusb

Then check dmesg | grep -i firmware to see if there are any firmware errors and post errors

After a kernel update you will need to recompile the module

cd bluetooth
make -C /lib/modules/$(uname -r)/build M=$PWD clean
cp /boot/config-$(uname -r) .config
cp /usr/src/linux-headers-$(uname -r)/Module.symvers Module.symvers
make -C /lib/modules/$(uname -r)/build M=$PWD modules
sudo cp btusb.ko /lib/modules/$(uname -r)/kernel/drivers/bluetooth/
sudo modprobe -r btusb
sudo modprobe btusb

and bluetooth should work in a new 3.16 series kernel

Best Answer

Related Solutions

Ubuntu – Bluetooth mouse no longer paired after resuming from suspend since upgrading to 13.10

Ubuntu – Bluetooth can’t be enabled in Ubuntu 14.10

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