[Bug 1164227] [NEW] Bluetooth daemon crashes when using mobile phone as network device (PAN/NAP)

[Rafael Belmonte]

Public bug reported:

Bluetooth daemon crashes often when using mobile phone as network device
(PAN/NAP). In a few times it works and then I can use the phone Internet
connection in my laptop.

Steps to reproduce the bug:
1) Get a mobile phone with the tethering capability via bluetooth and a laptop with bluetooth adapter.
2) Pair the mobile phone and the laptop using gnome-control-center -> bluetooth module.
3) In  gnome-control-center -> bluetooth module, activate the option "Use your mobile phone as a network device".
4) Go to network-manager applet and click on the phone connection to connect, most times it will fail.
5) Repeat the step before a few times until you see the crash or the Apport notification.

What is happening now?
Most of the time, the connection fails and bluetooth daemon crashes after some tries.

What is expected to happen?
The connection should be successfully established via network-manager applet and after that, I should have the phone internet connection available for my computer.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: bluez 4.98-2ubuntu7
ProcVersionSignature: Ubuntu 3.5.0-26.42~precise1-generic 3.5.7.6
Uname: Linux 3.5.0-26-generic i686
ApportVersion: 2.0.1-0ubuntu17.1
Architecture: i386
Date: Thu Apr  4 02:46:33 2013
InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release i386 (20130213)
InterestingModules: bnep rfcomm btusb bluetooth
MachineType: ASUSTeK Computer INC. 1015PEM
MarkForUpload: True
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 LANG=es_ES.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-26-generic root=UUID=879b4abb-2981-4793-a4f3-884d245dd42a ro quiet splash vt.handoff=7
SourcePackage: bluez
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/06/2011
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1301
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: 1015PE
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: x.xx
dmi.chassis.asset.tag: 0x00000000
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK Computer INC.
dmi.chassis.version: x.x
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1301:bd05/06/2011:svnASUSTeKComputerINC.:pn1015PEM:pvrx.x:rvnASUSTeKComputerINC.:rn1015PE:rvrx.xx:cvnASUSTeKComputerINC.:ct10:cvrx.x:
dmi.product.name: 1015PEM
dmi.product.version: x.x
dmi.sys.vendor: ASUSTeK Computer INC.
hciconfig:
 hci0:	Type: BR/EDR  Bus: USB
 	BD Address: 74:F0:6D:B4:5E:63  ACL MTU: 1021:8  SCO MTU: 64:1
 	UP RUNNING PSCAN 
 	RX bytes:2091 acl:21 sco:0 events:86 errors:0
 	TX bytes:4003 acl:28 sco:0 commands:59 errors:0

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


** Tags: apport-bug i386 precise

** Attachment added: "hci.log"
   https://bugs.launchpad.net/bugs/1164227/+attachment/3619254/+files/hci.log

** Summary changed:

- Bluettoth daemon crashes when using mobile phone as network device (PAN/NAP) 
+ Bluetooth daemon crashes when using mobile phone as network device (PAN/NAP)

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https://bugs.launchpad.net/bugs/1164227

Title:
  Bluetooth daemon crashes when using mobile phone as network device
  (PAN/NAP)

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