Public bug reported:
Bluetooth is working randomly, at boot sometimes gives
Bluetooth: hci0 sending frame failed
Ubuntu 14.04 LTS, update
uname -a
$ Lenovo-B575e 3.13.0-45-generic #74-Ubuntu SMP Tue Jan 13 19:36:28 UTC 2015
x86_64 x86_64 x86_64 GNU/Linux
lspci | grep Wireless
$ Network controller: Broadcom Corporation BCM4313 802.11bgn Wireless Network
Adapter (rev 01)
dmesg log
diff boot_notworking.log bootworking.log| grep luetooth
< [ 17.946819] thinkpad_acpi: rfkill switch tpacpi_bluetooth_sw: radio is
unblocked
< [ 18.890810] Bluetooth: Core ver 2.17
< [ 18.890860] Bluetooth: HCI device and connection manager initialized
< [ 18.890878] Bluetooth: HCI socket layer initialized
< [ 18.890884] Bluetooth: L2CAP socket layer initialized
< [ 18.890894] Bluetooth: SCO socket layer initialized
< [ 20.002871] Bluetooth: can't load firmware, may not work correctly
< [ 20.006422] Bluetooth: hci0 sending frame failed
< [ 21.030518] Bluetooth: RFCOMM TTY layer initialized
< [ 21.030549] Bluetooth: RFCOMM socket layer initialized
< [ 21.030574] Bluetooth: RFCOMM ver 1.11
< [ 21.121526] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
< [ 21.121537] Bluetooth: BNEP filters: protocol multicast
< [ 21.121558] Bluetooth: BNEP socket layer initialized
> [ 12.956963] thinkpad_acpi: rfkill switch tpacpi_bluetooth_sw: radio is
> unblocked
> [ 13.348060] Bluetooth: Core ver 2.17
> [ 13.348118] Bluetooth: HCI device and connection manager initialized
> [ 13.348136] Bluetooth: HCI socket layer initialized
> [ 13.348142] Bluetooth: L2CAP socket layer initialized
> [ 13.348152] Bluetooth: SCO socket layer initialized
> [ 14.270573] Bluetooth: can't load firmware, may not work correctly
> [ 21.295073] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
> [ 21.295083] Bluetooth: BNEP filters: protocol multicast
> [ 21.295104] Bluetooth: BNEP socket layer initialized
> [ 21.319534] Bluetooth: RFCOMM TTY layer initialized
> [ 21.319565] Bluetooth: RFCOMM socket layer initialized
> [ 21.319590] Bluetooth: RFCOMM ver 1.11
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-45-generic 3.13.0-45.74
ProcVersionSignature: Ubuntu 3.13.0-45.74-generic 3.13.11-ckt13
Uname: Linux 3.13.0-45-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.14.1-0ubuntu3.6
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: walter 1975 F.... pulseaudio
/dev/snd/controlC0: walter 1975 F.... pulseaudio
CurrentDesktop: Unity
Date: Thu Feb 12 14:35:42 2015
HibernationDevice: RESUME=UUID=d07e5522-cadf-4724-8aa4-b4411094fbaa
InstallationDate: Installed on 2014-08-01 (195 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
MachineType: LENOVO 36852BG
ProcFB: 0 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-45-generic
root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.13.0-45-generic N/A
linux-backports-modules-3.13.0-45-generic N/A
linux-firmware 1.127.11
SourcePackage: linux
StagingDrivers: rts5139
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/26/2012
dmi.bios.vendor: LENOVO
dmi.bios.version: HPET68WW(1.06)
dmi.board.asset.tag: Not Available
dmi.board.name: 36852BG
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvrHPET68WW(1.06):bd12/26/2012:svnLENOVO:pn36852BG:pvrLenovoB575e:rvnLENOVO:rn36852BG:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 36852BG
dmi.product.version: Lenovo B575e
dmi.sys.vendor: LENOVO
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug staging trusty
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https://bugs.launchpad.net/bugs/1421212
Title:
Bluetooth working randomly
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