[Bug 1117272] [NEW] Bluetooth suddenly disconnects from the speaker

[Saverio Miroddi]

Public bug reported:

This bug happens very often.

I have a Foxl2 speaker, which is connected via bluetooth to my computer
(Thinkpad W520).

Regularly, the connection suddently drops.

Note that the speaker doesn't disconnect when it's connected to my
mobile phone instead.

HCI log attached.

ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: bluez 4.101-0ubuntu6
ProcVersionSignature: Ubuntu 3.5.0-23.35-generic 3.5.7.2
Uname: Linux 3.5.0-23-generic x86_64
ApportVersion: 2.6.1-0ubuntu10
Architecture: amd64
Date: Wed Feb  6 13:05:37 2013
EcryptfsInUse: Yes
InstallationDate: Installed on 2012-12-24 (43 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
InterestingModules: rfcomm bnep btusb bluetooth
MachineType: LENOVO 4276CTO
MarkForUpload: True
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-23-generic root=UUID=1a3a567f-8c68-4be8-94fe-cac33a3a11fd ro quiet splash
SourcePackage: bluez
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/11/2011
dmi.bios.vendor: LENOVO
dmi.bios.version: 8BET47WW (1.27 )
dmi.board.asset.tag: Not Available
dmi.board.name: 4276CTO
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:bvr8BET47WW(1.27):bd07/11/2011:svnLENOVO:pn4276CTO:pvrThinkPadW520:rvnLENOVO:rn4276CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 4276CTO
dmi.product.version: ThinkPad W520
dmi.sys.vendor: LENOVO
hciconfig:
 hci0:	Type: BR/EDR  Bus: USB
 	BD Address: CC:AF:78:E8:25:E8  ACL MTU: 1021:8  SCO MTU: 64:1
 	UP RUNNING PSCAN 
 	RX bytes:497 acl:0 sco:0 events:23 errors:0
 	TX bytes:826 acl:0 sco:0 commands:23 errors:0

** Affects: bluez (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug quantal

** Attachment added: "hci.log.lzma"
   https://bugs.launchpad.net/bugs/1117272/+attachment/3517038/+files/hci.log.lzma

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https://bugs.launchpad.net/bugs/1117272

Title:
  Bluetooth suddenly disconnects from the speaker

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