** Also affects: linux-firmware (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux-firmware (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1745828
Title:
[rtl8821a] Ubuntu 16.04 can't find any Bluetooth devices
Status in bluez package in Ubuntu:
Incomplete
Status in linux package in Ubuntu:
Incomplete
Status in linux-firmware package in Ubuntu:
Incomplete
Bug description:
It is ON and VISIBLE in the control panel. My iPhone can see two
other devices but it can't see the computer, and the computer can't
see anything, even if left searching for tens of minutes.
The previous answers listed below suggest the following diagnostics
Bluetooth not working after update
How can I make my bluetooth works on Ubuntu 16.04?
Ubuntu 16.04 bluetooth not working (Dell XPS13)
Bluetooth (Atheros AR3012) not working on Ubuntu 16.04
Bluetooth not working on Ubuntu 16.04 LTS
Bluetooth cannot find any devices
Stuck on a bluetooth problem
The service seems to be running
/home >sudo service bluetooth status
● bluetooth.service - Bluetooth service
Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled; vendor
preset
Active: active (running) since Thu 2018-01-25 09:16:43 GMT; 1h 46min ago
Docs: man:bluetoothd(8)
Main PID: 790 (bluetoothd)
Status: "Running"
CGroup: /system.slice/bluetooth.service
└─790 /usr/lib/bluetooth/bluetoothd
Jan 25 09:18:31 george-CM6330 bluetoothd[790]: Endpoint registered:
sender=:1.87
Jan 25 09:18:31 george-CM6330 bluetoothd[790]: Endpoint registered:
sender=:1.87
Jan 25 09:18:31 george-CM6330 bluetoothd[790]: RFCOMM server failed for
Headset
Jan 25 09:20:32 george-CM6330 bluetoothd[790]: Endpoint registered:
sender=:1.12
Jan 25 09:20:32 george-CM6330 bluetoothd[790]: Endpoint registered:
sender=:1.12
Jan 25 09:20:32 george-CM6330 bluetoothd[790]: RFCOMM server failed for
Headset
Jan 25 09:20:50 george-CM6330 bluetoothd[790]: Endpoint unregistered:
sender=:1.
Jan 25 09:20:50 george-CM6330 bluetoothd[790]: Endpoint unregistered:
sender=:1.
Jan 25 09:21:01 george-CM6330 bluetoothd[790]: Endpoint unregistered:
sender=:1.
Jan 25 09:21:01 george-CM6330 bluetoothd[790]: Endpoint unregistered:
sender=:1.
and not blocked
/home >rfkill list
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
I have edited /etc/bluetooth/main.conf to include
AutoEnable=true
but I noted that the entire file was commented out.
The kernel seems reasonably up to date
>uname -a
Linux george-CM6330 4.13.0-26-generic #29~16.04.2-Ubuntu SMP Tue Jan 9
22:00:44 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
I wonder if I need a device driver, but I have no idea how to find
out. The following diagnostics may help some of you knowledgeable
people find out.
>hcitool dev
Devices:
hci0 24:0A:64:F5:EE:86
and the output of dmsg is
>dmesg | grep Blue
[ 2.030855] usb 1-1.4: Product: Bluetooth Radio
[ 13.806355] Bluetooth: Core ver 2.22
[ 13.806369] Bluetooth: HCI device and connection manager initialized
[ 13.806372] Bluetooth: HCI socket layer initialized
[ 13.806373] Bluetooth: L2CAP socket layer initialized
[ 13.806377] Bluetooth: SCO socket layer initialized
[ 13.827384] Bluetooth: hci0: rtl: examining hci_ver=06 hci_rev=000a
lmp_ver=06 lmp_subver=8821
[ 13.827386] Bluetooth: hci0: rtl: loading rtl_bt/rtl8821a_config.bin
[ 13.865327] Bluetooth: hci0: rtl: loading rtl_bt/rtl8821a_fw.bin
[ 13.877382] Bluetooth: hci0: rom_version status=0 version=1
[ 13.877387] Bluetooth: cfg_sz 0, total size 17428
[ 16.550280] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 16.550281] Bluetooth: BNEP filters: protocol multicast
[ 16.550284] Bluetooth: BNEP socket layer initialized
[ 27.868345] Bluetooth: RFCOMM TTY layer initialized
[ 27.868350] Bluetooth: RFCOMM socket layer initialized
[ 27.868354] Bluetooth: RFCOMM ver 1.11
and of lsusb is
>lsusb
Bus 002 Device 003: ID 046d:c52f Logitech, Inc. Unifying Receiver
Bus 002 Device 006: ID 04b8:0849 Seiko Epson Corp. Stylus SX205
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 002: ID 04e8:6123 Samsung Electronics Co., Ltd
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 004: ID 13d3:3414 IMC Networks
Bus 001 Device 003: ID 058f:6366 Alcor Micro Corp. Multi Flash Reader
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Thanking you in anticipation
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ApportVersion: 2.20.1-0ubuntu2.15
Architecture: amd64
CurrentDesktop: Unity
DistroRelease: Ubuntu 16.04
InstallationDate: Installed on 2017-09-06 (145 days ago)
InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64
(20170215.2)
InterestingModules: rfcomm bnep btusb bluetooth
MachineType: ASUSTeK Computer INC. CM6330_CM6630_CM6730_CM6830_M11AA-8
Package: linux
PackageArchitecture: amd64
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.13.0-26-generic
root=UUID=8520e78a-1bf6-402d-8e84-8fd01b98ffb3 ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 4.13.0-26.29~16.04.2-generic 4.13.13
Tags: xenial
Uname: Linux 4.13.0-26-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 04/17/2013
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0704
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: CM6330_CM6630_CM6730_CM6830_M11AA
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev x.0x
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr0704:bd04/17/2013:svnASUSTeKComputerINC.:pnCM6330_CM6630_CM6730_CM6830_M11AA-8:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnCM6330_CM6630_CM6730_CM6830_M11AA:rvrRevx.0x:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.family: Desktop
dmi.product.name: CM6330_CM6630_CM6730_CM6830_M11AA-8
dmi.product.version: System Version
dmi.sys.vendor: ASUSTeK Computer INC.
hciconfig:
hci0: Type: BR/EDR Bus: USB
BD Address: 24:0A:64:F5:EE:86 ACL MTU: 820:8 SCO MTU: 255:16
UP RUNNING PSCAN ISCAN
RX bytes:1259 acl:0 sco:0 events:131 errors:0
TX bytes:22606 acl:0 sco:0 commands:131 errors:0
mtime.conffile..etc.bluetooth.main.conf: 2018-01-22T14:27:55.611724
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