@chih: Was helping a user in #ubuntu today with the same device ID
(413c:8143). But I think I'm a bit confused by this, I'm looking at the
upstream source and I see:
$ grep 413c drivers/bluetooth/btusb.c
{ USB_DEVICE(0x413c, 0x8197) },
{ USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU },
{ USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU },
{ USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU },
I don't see 0x8143 product Id listed as a matching USB device? So even
if a user were to have the correct firmware in place (the user on
#ubuntu did, afaict), btusb won't match. Is this really an upstream bug?
Thanks,
Nish
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https://bugs.launchpad.net/bugs/1382490
Title:
Broadcom Bluetooth [413c:8143] does not work at all
Status in HWE Next:
Won't Fix
Status in linux package in Ubuntu:
Confirmed
Bug description:
CID: 201307-13942 Dell Latitude E5540
The Bluetooth can't find any devices.
Error message could be found in dmesg:
[ 98.149145] Bluetooth: can't load firmware, may not work correctly
Note that sometimes it works, but if you disable and re-enable it with
the wifi slider (let it reload the firmware), it will stop working.
Steps:
1. Install 14.04.1 + update (3.13.0-37) + proprietary Broadcom driver
2. Try to pair with any other Bluetooth device.
Expected result:
* Bluetooth works well as expected.
Actual result:
* Nothing can be detected.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-37-generic 3.13.0-37.64
ProcVersionSignature: Ubuntu 3.13.0-37.64-generic 3.13.11.7
Uname: Linux 3.13.0-37-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.14.1-0ubuntu3.5
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: ubuntu 1542 F.... pulseaudio
/dev/snd/controlC0: ubuntu 1542 F.... pulseaudio
CurrentDesktop: Unity
Date: Fri Oct 17 04:14:55 2014
HibernationDevice: RESUME=UUID=b150a530-b9dc-40f0-b867-a29dfbf5b499
InstallationDate: Installed on 2014-10-17 (0 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64
(20140722.2)
MachineType: Dell Inc. Latitude E5540
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-37-generic.efi.signed
root=UUID=7a7e4c31-030c-4e00-af99-14797716597e ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.13.0-37-generic N/A
linux-backports-modules-3.13.0-37-generic N/A
linux-firmware 1.127.7
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/19/2013
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A01
dmi.board.name: 0V19JF
dmi.board.vendor: Dell Inc.
dmi.board.version: X02
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA01:bd09/19/2013:svnDellInc.:pnLatitudeE5540:pvr01:rvnDellInc.:rn0V19JF:rvrX02:cvnDellInc.:ct9:cvr:
dmi.product.name: Latitude E5540
dmi.product.version: 01
dmi.sys.vendor: Dell Inc.
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