Public bug reported:
My bluetooth is not not working on ubuntu 14.04. I found that similar
issue was resolved on askUbuntu. There i found out that my bluetooth is
not supported on "kernel. 3.19.0-25-generic" whereas it was supported on
3.13.0-59. I am using lenovo G50 laptop.
Following is the output of necessary commands.
dexter@dexter-Lenovo-G50-80:~$ lsb_release -rd
Description: Ubuntu 14.04.3 LTS
Release: 14.04
dexter@dexter-Lenovo-G50-80:~$
dexter@dexter-Lenovo-G50-80:~$ lspci -nnk | grep -iA2 net
02:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd.
RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 10)
Subsystem: Lenovo Device [17aa:3821]
Kernel driver in use: r8169
03:00.0 Network controller [0280]: Broadcom Corporation BCM43142 802.11b/g/n
[14e4:4365] (rev 01)
Subsystem: Lenovo Device [17aa:0621]
Kernel driver in use: wl
dexter@dexter-Lenovo-G50-80:~$
dexter@dexter-Lenovo-G50-80:~$ lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 005: ID 105b:e065
Bus 001 Device 004: ID 0bda:579a Realtek Semiconductor Corp.
Bus 001 Device 003: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card
Reader Controller
Bus 001 Device 002: ID 3938:1031
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
dexter@dexter-Lenovo-G50-80:~$
dexter@dexter-Lenovo-G50-80:~$ rfkill list all
0: ideapad_wlan: Wireless LAN
Soft blocked: no
Hard blocked: no
1: ideapad_bluetooth: Bluetooth
Soft blocked: no
Hard blocked: no
2: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
3: brcmwl-0: Wireless LAN
Soft blocked: no
Hard blocked: no
dexter@dexter-Lenovo-G50-80:~$
dexter@dexter-Lenovo-G50-80:~$ dmesg | grep -i bluetooth
[ 18.546763] Bluetooth: Core ver 2.20
[ 18.546779] Bluetooth: HCI device and connection manager initialized
[ 18.546784] Bluetooth: HCI socket layer initialized
[ 18.546787] Bluetooth: L2CAP socket layer initialized
[ 18.546795] Bluetooth: SCO socket layer initialized
[ 18.549488] Bluetooth: RFCOMM TTY layer initialized
[ 18.549496] Bluetooth: RFCOMM socket layer initialized
[ 18.549500] Bluetooth: RFCOMM ver 1.11
[ 18.701848] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 18.701851] Bluetooth: BNEP filters: protocol multicast
[ 18.701854] Bluetooth: BNEP socket layer initialized
dexter@dexter-Lenovo-G50-80:~$
dexter@dexter-Lenovo-G50-80:~$ uname -a
Linux dexter-Lenovo-G50-80 3.19.0-25-generic #26~14.04.1-Ubuntu SMP Fri Jul 24
21:16:20 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
dexter@dexter-Lenovo-G50-80:~$ hciconfig -a
dexter@dexter-Lenovo-G50-80:~$
dexter@dexter-Lenovo-G50-80:~$ modinfo btusb | grep alias | grep -i 04ca
alias: usb:v04CAp*d*dc*dsc*dp*icFFisc01ip01in*
alias: usb:v04CAp2003d*dc*dsc*dp*ic*isc*ip*in*
dexter@dexter-Lenovo-G50-80:~$
dexter@dexter-Lenovo-G50-80:~$ modinfo btusb | grep -i 105b
dexter@dexter-Lenovo-G50-80:~$
** Affects: ubuntu
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1486898
Title:
bluetooth is not working on kernet version 3.19.0-25-generic
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