2

I own a Acer Aspire E5-551G. Wi-fi works fine, but Bluetooth is not working?. I already tried several methods to solve this problem, but nothing has worked for me. Here are some outputs which were demanded by various approaches to solving my problem.

lspci -nnk | grep -i net -A2 output:

02:00.1 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 12)
    Subsystem: Acer Incorporated [ALI] Device [1025:0864]
    Kernel driver in use: r8169
03:00.0 Network controller [0280]: Broadcom Corporation BCM43142 802.11b/g/n [14e4:4365] (rev 01)
    Subsystem: Lite-On Communications Inc Device [11ad:6645]
    Kernel driver in use: wl

dmesg | grep Bluetooth output:

[    5.715887] Bluetooth: Core ver 2.19
[    5.715922] Bluetooth: HCI device and connection manager initialized
[    5.715939] Bluetooth: HCI socket layer initialized
[    5.715943] Bluetooth: L2CAP socket layer initialized
[    5.715953] Bluetooth: SCO socket layer initialized
[    5.739898] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[    5.739905] Bluetooth: BNEP filters: protocol multicast
[    5.739920] Bluetooth: BNEP socket layer initialized
[    5.742818] Bluetooth: RFCOMM TTY layer initialized
[    5.742832] Bluetooth: RFCOMM socket layer initialized
[    5.742839] Bluetooth: RFCOMM ver 1.11

lsusb output:

Bus 004 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub  
Bus 006 Device 002: ID 06cb:2970 Synaptics, Inc.  
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub  
Bus 003 Device 002: ID 064e:9400 Suyin Corp.  
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub  
Bus 005 Device 002: ID 04ca:2009 Lite-On Technology Corp.  
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub  
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub  
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

dmesg | grep -i firmware output:

[    0.027661] [Firmware Bug]: cpu 0, invalid threshold interrupt offset 0 for bank 4, block 1 (MSRC0000408=0xc010000001000000)
[    0.274267] [Firmware Bug]: ACPI: BIOS _OSI(Linux) query ignored
[    0.311582] [Firmware Bug]: ACPI: No _BQC method, cannot determine initial brightness
[    0.311761] [Firmware Bug]: ACPI: No _BQC method, cannot determine initial brightness
[    0.312032] [Firmware Bug]: ACPI: No _BQC method, cannot determine initial brightness
[    0.347546] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge
[    1.440137] [Firmware Bug]: cpu 1, try to use APIC500 (LVT offset 0) for vector 0x10400, but the register is already in use for vector 0xf9 on another cpu
[    1.440147] [Firmware Bug]: cpu 1, IBS interrupt offset 0 not available (MSRC001103A=0x0000000000000100)
[    4.752496] [Firmware Bug]: ACPI: No _BQC method, cannot determine initial brightness
[    4.752510] [Firmware Bug]: ACPI: No _BQC method, cannot determine initial brightness

rfkill list all output:

0: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: no
1: brcmwl-0: Wireless LAN
    Soft blocked: no
    Hard blocked: no
2: acer-wireless: Wireless LAN
    Soft blocked: no
    Hard blocked: no
3: acer-bluetooth: Bluetooth
    Soft blocked: no
    Hard blocked: no

uname -a output:

Linux aw3sem 3.16.1-031601-generic #201408140014 SMP Thu Aug 14 04:15:26 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux

originally i ran 3.13-somewhat but my touchpad didn't worked with that

dmesg | tail output:

[   23.457018] ACPI Error: Method parse/execution failed [\_SB_.PCI0.VGA_.ATIF] (Node ffff8802270647d0), AE_AML_INFINITE_LOOP (20140926/psparse-536)
[   24.012169] init: plymouth-upstart-bridge main process ended, respawning
[   24.020719] init: plymouth-upstart-bridge main process (1339) terminated with status 1
[   24.020738] init: plymouth-upstart-bridge main process ended, respawning
[   39.793272] acer_wmi: Unknown function number - 4 - 0
[  172.269389] systemd-hostnamed[2636]: Warning: nss-myhostname is not installed. Changing the local hostname might make it unresolveable. Please install nss-myhostname!
[  602.510658] usbcore: registered new interface driver btusb
[  602.526817] bluetooth hci0: Direct firmware load for brcm/BCM43142A0-04ca-2009.hcd failed with error -2
[  602.526827] bluetooth hci0: Falling back to user helper
[  602.528926] Bluetooth: hci0: BCM: patch brcm/BCM43142A0-04ca-2009.hcd not found

After rebooting the Bluetooth didn't work anymore. I found out that I had to add btusb to /etc/modules. But when I now reboot I got a Bluetooth-entries in my Gnome Control Panel (this thing at the top-right corner) which won't work and will only redirect me to my network-settings. After enabling the Bluetooth in my settings a 2nd Bluetooth-entry appears which works.

Improve this question
2
  • Please edit your question to include lsusb; dmesg | grep -i firmware; rfkill list all
    – Jeremy31
    Mar 22, 2015 at 15:59
  • Please add kernel version also uname -a as I think I can make it work
    – Jeremy31
    Mar 22, 2015 at 20:26

1 Answer 1

Reset to default
1

You need to do the following to get bluetooth to work

wget https://www.dropbox.com/s/ww44vxop2my7ka5/bluetooth-3.18.tar.gz
sudo apt-get install build-essential linux-headers-generic
tar -zxf bluetooth-3.18.tar.gz
cd bluetooth-3.18
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 modprobe -r btusb
sudo cp btusb.ko /lib/modules/$(uname -r)/kernel/drivers/bluetooth/
sudo modprobe btusb

Then add dmesg | tail to your question so I can see what it expects the firmware to be named

Edit to add firmware

wget https://www.dropbox.com/s/b5h77huafgymnp8/fw-04ca_2009.hcd
sudo cp fw-04ca_2009.hcd /lib/firmware/brcm/BCM43142A0-04ca-2009.hcd
sudo modprobe -r btusb
sudo modprobe btusb

And your bluetooth should function

If you do updates and notice that the bluetooth no longer functions then 

cd bluetooth-3.18
make -C /lib/modules/$(uname -r)/build M=$PWD clean
cp /usr/src/linux-headers-$(uname -r)/Module.symvers Module.symvers
cp /boot/config-$(uname -r) .config
make -C /lib/modules/$(uname -r)/build M=$PWD modules
sudo modprobe -r btusb
sudo cp btusb.ko /lib/modules/$(uname -r)/kernel/drivers/bluetooth/
sudo modprobe btusb

Eventually you will have a kernel update that contains the fix

EDIT: For kernel 3.16.1 use the following

wget https://www.dropbox.com/s/vth1rjnjsamnqoi/bluetooth-3.16.1.tar.gz
tar -zxf bluetooth-3.16.1.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 modprobe -r btusb
sudo cp btusb.ko /lib/modules/$(uname -r)/kernel/drivers/bluetooth/
sudo modprobe btusb
Improve this answer
5
  • after rebooting bluetooth stops working, after executing sudo modprobe -r btusb and sudo modprobe btusb it works again
    – Awesem
    Mar 25, 2015 at 16:35
  • 1
    echo btusb | sudo tee -a /etc/modules should fix that little problem
    – Jeremy31
    Mar 25, 2015 at 17:09
  • Wow! Good one! Upvoted!
    – Fabby
    Mar 25, 2015 at 21:50
  • had to reinstall ubuntu, now using kernel 3.16.1 - how does that affect the commands i have to execute?
    – Awesem
    Mar 27, 2015 at 17:42
  • Can you show me uname -a
    – Jeremy31
    Mar 27, 2015 at 21:00

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.