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[Alberto Salvia Novella <es20490446e@xxxxxxxxx>]

** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

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https://bugs.launchpad.net/bugs/1410175

Title:
  [Bluetooth] Kernel Oops - on Ubuntu 14.10 3.16.0-28-generic

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  When I tried to connect to my iphone 6 4G from Ubuntu via bluetooth,
  it failed. Look into the syslog, I get:

  
  Jan 13 10:47:43 x230 NetworkManager[1290]: <info> Activation (34:A3:95:64:33:4F) starting connection 'Shang6 Network'
  Jan 13 10:47:43 x230 NetworkManager[1290]: <info> (34:A3:95:64:33:4F): device state change: disconnected -> prepare (reason 'none') [30 40 0]
  Jan 13 10:47:43 x230 NetworkManager[1290]: <info> Activation (34:A3:95:64:33:4F) Stage 1 of 5 (Device Prepare) scheduled...
  Jan 13 10:47:43 x230 NetworkManager[1290]: <info> Activation (34:A3:95:64:33:4F) Stage 1 of 5 (Device Prepare) started...
  Jan 13 10:47:43 x230 NetworkManager[1290]: <info> Activation (34:A3:95:64:33:4F) Stage 2 of 5 (Device Configure) scheduled...
  Jan 13 10:47:43 x230 NetworkManager[1290]: <info> Activation (34:A3:95:64:33:4F) Stage 1 of 5 (Device Prepare) complete.
  Jan 13 10:47:43 x230 NetworkManager[1290]: <info> Activation (34:A3:95:64:33:4F) Stage 2 of 5 (Device Configure) starting...
  Jan 13 10:47:43 x230 NetworkManager[1290]: <info> (34:A3:95:64:33:4F): device state change: prepare -> config (reason 'none') [40 50 0]
  Jan 13 10:47:43 x230 NetworkManager[1290]: <info> Activation (34:A3:95:64:33:4F) Stage 2 of 5 (Device Configure) complete.
  Jan 13 10:47:44 x230 NetworkManager[1290]: <warn> Error connecting with bluez: GDBus.Error:org.bluez.Error.Failed: Permission denied (13)
  Jan 13 10:47:44 x230 NetworkManager[1290]: <info> (34:A3:95:64:33:4F): device state change: config -> failed (reason 'bluetooth-failed') [50 120 44]
  Jan 13 10:47:44 x230 NetworkManager[1290]: <warn> Activation (34:A3:95:64:33:4F) failed for connection 'Shang6 Network'
  Jan 13 10:47:44 x230 NetworkManager[1290]: <info> (34:A3:95:64:33:4F): device state change: failed -> disconnected (reason 'none') [120 30 0]
  Jan 13 10:47:44 x230 NetworkManager[1290]: <info> (34:A3:95:64:33:4F): deactivating device (reason 'none') [0]
  Jan 13 10:47:44 x230 NetworkManager[1290]: <warn> 34:A3:95:64:33:4F: failed to disconnect: GDBus.Error:org.bluez.Error.NotConnected: Not Connected
  Jan 13 10:47:46 x230 kernel: [42515.625079] ------------[ cut here ]------------
  Jan 13 10:47:46 x230 kernel: [42515.625100] WARNING: CPU: 2 PID: 11117 at /build/buildd/linux-3.16.0/net/bluetooth/hci_conn.c:296 hci_conn_timeout+0x79/0x2c0 [bluetooth]()
  Jan 13 10:47:46 x230 kernel: [42515.625101] Modules linked in: macvtap macvlan ipt_REJECT nls_iso8859_1 xt_addrtype xt_conntrack aufs ctr ccm veth xt_CHECKSUM iptable_mangle ipt_MASQUERADE iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack xt_tcpudp bridge stp llc iptable_filter ip_tables x_tables rfcomm bnep binfmt_misc dm_crypt uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev media snd_hda_codec_hdmi btusb bluetooth 6lowpan_iphc snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_pcm intel_rapl snd_seq_midi x86_pkg_temp_thermal intel_powerclamp snd_seq_midi_event coretemp kvm_intel kvm crct10dif_pclmul arc4 crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 thinkpad_acpi lrw iwldvm gf128mul glue_helper ablk_helper mac80211 snd_rawmidi cryptd nvram snd_seq joydev serio_raw snd_seq_device snd_timer snd iwlwifi cfg80211 mac_hid soundcore lpc_ich shpchp mei_me parport_pc ppdev mei lp parport hid_generic usbhid hid mmc_block i915 psmouse e1000e i2c_algo_bit drm_kms_helper sdhci_pci sdhci ptp drm pps_core ahci libahci wmi video
  Jan 13 10:47:46 x230 kernel: [42515.625147] CPU: 2 PID: 11117 Comm: kworker/u17:0 Tainted: G        W     3.16.0-28-generic #38-Ubuntu
  Jan 13 10:47:46 x230 kernel: [42515.625148] Hardware name: LENOVO 2320KBV/2320KBV, BIOS G2ETA2WW (2.62 ) 09/12/2014
  Jan 13 10:47:46 x230 kernel: [42515.625156] Workqueue: hci0 hci_conn_timeout [bluetooth]
  Jan 13 10:47:46 x230 kernel: [42515.625157]  0000000000000009 ffff8803edb8fd88 ffffffff81781eaa 0000000000000000
  Jan 13 10:47:46 x230 kernel: [42515.625159]  ffff8803edb8fdc0 ffffffff8106fedd ffff8800bc4e78b8 00000000ffffffff
  Jan 13 10:47:46 x230 kernel: [42515.625161]  ffff8800bc4e7800 ffff8802fe445f00 0000000000000220 ffff8803edb8fdd0
  Jan 13 10:47:46 x230 kernel: [42515.625163] Call Trace:
  Jan 13 10:47:46 x230 kernel: [42515.625168]  [<ffffffff81781eaa>] dump_stack+0x45/0x56
  Jan 13 10:47:46 x230 kernel: [42515.625171]  [<ffffffff8106fedd>] warn_slowpath_common+0x7d/0xa0
  Jan 13 10:47:46 x230 kernel: [42515.625173]  [<ffffffff8106ffba>] warn_slowpath_null+0x1a/0x20
  Jan 13 10:47:46 x230 kernel: [42515.625180]  [<ffffffffc07a26d9>] hci_conn_timeout+0x79/0x2c0 [bluetooth]
  Jan 13 10:47:46 x230 kernel: [42515.625182]  [<ffffffff81784b2d>] ? __schedule+0x39d/0x890
  Jan 13 10:47:46 x230 kernel: [42515.625185]  [<ffffffff8108da32>] process_one_work+0x182/0x4e0
  Jan 13 10:47:46 x230 kernel: [42515.625187]  [<ffffffff8108ddfb>] worker_thread+0x6b/0x6a0
  Jan 13 10:47:46 x230 kernel: [42515.625188]  [<ffffffff8108dd90>] ? process_one_work+0x4e0/0x4e0
  Jan 13 10:47:46 x230 kernel: [42515.625191]  [<ffffffff81094c6b>] kthread+0xdb/0x100
  Jan 13 10:47:46 x230 kernel: [42515.625193]  [<ffffffff81094b90>] ? kthread_create_on_node+0x1c0/0x1c0
  Jan 13 10:47:46 x230 kernel: [42515.625195]  [<ffffffff81789e3c>] ret_from_fork+0x7c/0xb0
  Jan 13 10:47:46 x230 kernel: [42515.625197]  [<ffffffff81094b90>] ? kthread_create_on_node+0x1c0/0x1c0
  Jan 13 10:47:46 x230 kernel: [42515.625199] ---[ end trace 57e5581a8116c270 ]---

  Will attach more data.
  --- 
  ApportVersion: 2.14.7-0ubuntu8
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  shang      3495 F.... pulseaudio
  CRDA:
   country TW: DFS-UNSET
   	(2402 - 2472 @ 40), (3, 27)
   	(5270 - 5330 @ 40), (3, 17), DFS
   	(5735 - 5815 @ 40), (3, 30)
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 14.10
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=7290408a-d703-475b-aa38-75ceb1628aa9
  InstallationDate: Installed on 2013-08-25 (505 days ago)
  InstallationMedia: This
  MachineType: LENOVO 2320KBV
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.16.0-28-generic root=UUID=41bf11ce-257e-4c13-9ec3-788c9e23b4fa ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.16.0-28.38-generic 3.16.7-ckt1
  RelatedPackageVersions:
   linux-restricted-modules-3.16.0-28-generic N/A
   linux-backports-modules-3.16.0-28-generic  N/A
   linux-firmware                             1.138.1
  Tags:  utopic
  Uname: Linux 3.16.0-28-generic x86_64
  UpgradeStatus: Upgraded to utopic on 2014-09-28 (107 days ago)
  UserGroups: adm cdrom dip libvirtd lpadmin plugdev sambashare sudo vboxusers
  _MarkForUpload: True
  dmi.bios.date: 09/12/2014
  dmi.bios.vendor: LENOVO
  dmi.bios.version: G2ETA2WW (2.62 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 2320KBV
  dmi.board.vendor: LENOVO
  dmi.board.version: Win8 Pro DPK TPG
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvrG2ETA2WW(2.62):bd09/12/2014:svnLENOVO:pn2320KBV:pvrThinkPadX230:rvnLENOVO:rn2320KBV:rvrWin8ProDPKTPG:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 2320KBV
  dmi.product.version: ThinkPad X230
  dmi.sys.vendor: LENOVO

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