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[Bug 1572577] Re: Can't pair with a Volvo car kit

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*** This bug is a duplicate of bug 1539158 ***
    https://bugs.launchpad.net/bugs/1539158

What I have found in the syslog:


15:21:25 here the car is connecting to the phone, the bluez correctly handles the device:

src/adapter.c:connected_callback() hci0 device 00:1A:77:F6:D5:2B connected eir_len 5
src/device.c:device_create() dst 00:1A:77:F6:D5:2B
src/device.c:device_new() address 00:1A:77:F6:D5:2B
src/device.c:device_new() Creating device /org/bluez/hci0/dev_00_1A_77_F6_D5_2B
src/device.c:device_set_class() /org/bluez/hci0/dev_00_1A_77_F6_D5_2B 0x300408

15:21:26 next the car is disconnecting. The reason 3 means Remote
Disconnected and status 0xe means Status Disconnected.

src/adapter.c:dev_disconnected() Device 00:1A:77:F6:D5:2B disconnected, reason 3
src/adapter.c:adapter_remove_connection()
src/adapter.c:adapter_remove_connection() Removing temporary device /org/bluez/hci0/dev_00_1A_77_F6_D5_2B
src/device.c:device_remove() Removing device /org/bluez/hci0/dev_00_1A_77_F6_D5_2B
src/device.c:btd_device_unref() Freeing device /org/bluez/hci0/dev_00_1A_77_F6_D5_2B
src/device.c:device_free() 0xb7837780
plugins/policy.c:disconnect_cb() reason 3
src/adapter.c:bonding_attempt_complete() hci0 bdaddr 00:1A:77:F6:D5:2B type 0 status 0xe

15:21:32 8 seconds later we see that the pin code request callback has
kicked in

Apr 20 15:21:32 src/adapter.c:pin_code_request_callback() hci0 00:1A:77:F6:D5:2B
Apr 20 15:21:32 src/device.c:device_create() dst 00:1A:77:F6:D5:2B
Apr 20 15:21:32 src/device.c:device_new() address 00:1A:77:F6:D5:2B
Apr 20 15:21:32 src/device.c:device_new() Creating device /org/bluez/hci0/dev_00_1A_77_F6_D5_2B
Apr 20 15:21:32 src/device.c:new_auth() Requesting agent authentication for 00:1A:77:F6:D5:2B
Apr 20 15:21:32 src/agent.c:agent_ref() 0xb782a140: ref=2
The pairing request is send to the registered agent however it is denied:

Agent /com/canonical/SettingsBluetoothAgent/adapteragent replied with an
error: org.bluez.Error.Rejected, The request was rejected:
RequestPinCode

As a result the bonding obviously fails:

src/adapter.c:btd_adapter_pincode_reply() hci0 addr 00:1A:77:F6:D5:2B pinlen 0
src/agent.c:agent_unref() 0xb782a140: ref=2
src/agent.c:agent_unref() 0xb782a140: ref=1
src/adapter.c:connect_failed_callback() hci0 00:1A:77:F6:D5:2B status 11
plugins/policy.c:conn_fail_cb() status 11
src/adapter.c:bonding_attempt_complete() hci0 bdaddr 00:1A:77:F6:D5:2B type 0 status 0xb
src/device.c:device_bonding_complete() bonding (nil) status 0x0b
src/device.c:device_cancel_authentication() Canceling authentication request for 00:1A:77:F6:D5:2B
src/device.c:device_bonding_failed() status 11
src/adapter.c:resume_discovery()
src/device.c:device_remove() Removing device /org/bluez/hci0/dev_00_1A_77_F6_D5_2B
src/device.c:btd_device_unref() Freeing device /org/bluez/hci0/dev_00_1A_77_F6_D5_2B
src/device.c:device_free() 0xb7837780

15:21:40 8 seconds later the pin request callback is called again and
the whole thing repeats with the same result.

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https://bugs.launchpad.net/bugs/1572577

Title:
  Can't pair with a Volvo car kit

Status in bluez package in Ubuntu:
  New
Status in ubuntu-system-settings package in Ubuntu:
  New

Bug description:
  For a while now I'm unable to pair with my car kit. It's a reverse-
  pair procedure, so the car is trying to initiate the pairing, shows
  the PIN to enter and goes "failed" - with the phone never showing
  anything.

  Syslog shows, possibly relevant:

  Apr 20 15:21:40 ubuntu-phablet bluetoothd[891]: src/device.c:new_auth() Requesting agent authentication for 00:1A:77:F6:D5:2B
  [...]
  Apr 20 15:21:40 ubuntu-phablet bluetoothd[891]: Agent /com/canonical/SettingsBluetoothAgent/adapteragent replied with an error: org.bluez.Error.Rejected, The request was rejected: RequestPinCode
  [...]
  Apr 20 15:21:40 ubuntu-phablet bluetoothd[891]: src/device.c:device_cancel_authentication() Canceling authentication request for 00:1A:77:F6:D5:2B

  Please find logs, as directed by
  https://wiki.ubuntu.com/DebuggingBluetooth, attached.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: ubuntu-system-settings 0.3+15.04.20160407-0ubuntu1 [origin: LP-PPA-ci-train-ppa-service-stable-phone-overlay]
  Uname: Linux 3.4.67 armv7l
  ApportVersion: 2.17.2-0ubuntu1.3touch1
  Architecture: armhf
  Date: Wed Apr 20 15:31:32 2016
  InstallationDate: Installed on 2016-04-14 (6 days ago)
  InstallationMedia: Ubuntu 15.04 - armhf (20160414-020305)
  SourcePackage: ubuntu-system-settings
  UpgradeStatus: No upgrade log present (probably fresh install)
  --- 
  ApportVersion: 2.17.2-0ubuntu1.3touch1
  Architecture: armhf
  CurrentDmesg: Error: command ['dmesg'] failed with exit code 1: dmesg: read kernel buffer failed: Operation not permitted
  DistroRelease: Ubuntu 15.04
  InstallationDate: Installed on 2016-04-14 (6 days ago)
  InstallationMedia: Ubuntu 15.04 - armhf (20160414-020305)
  Lsusb: Error: [Errno 2] No such file or directory
  Package: bluez 5.37-0ubuntu5~overlay1 [origin: LP-PPA-ci-train-ppa-service-stable-phone-overlay]
  PackageArchitecture: armhf
  ProcKernelCmdLine: console=ttyMT0,921600n1 vmalloc=496M slub_max_order=0 fixrtc lcm=1-hx8389_qhd_dsi_vdo_truly fps=6657 bootprof.pl_t=511 bootprof.lk_t=1724 printk.disable_uart=1 boot_reason=4 datapart=/dev/mmcblk0p7 systempart=/dev/mmcblk0p6 androidboot.serialno=JB011540 � lcm=1-hx8389_qhd_dsi_vdo_truly fps=6657 bootprof.pl_t=511 bootprof.lk_t=1724 printk.disable_uart=1 boot_reason=4 datapart=/dev/mmcblk0p7 systempart=/dev/mmcblk0p6 androidboot.serialno=JB011540 �
  ProcModules:
   
  Tags: vivid third-party-packages
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  Uname: Linux 3.4.67 armv7l
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dialout dip plugdev sudo tty video
  _MarkForUpload: True
  hciconfig:
   hci0:	Type: BR/EDR  Bus: UART
   	BD Address: B8:64:91:48:2B:21  ACL MTU: 1021:4  SCO MTU: 184:1
   	UP RUNNING PSCAN 
   	RX bytes:4361 acl:59 sco:0 events:213 errors:0
   	TX bytes:6120 acl:60 sco:0 commands:131 errors:0
  modified.conffile..etc.init.bluetooth.conf: [modified]
  mtime.conffile..etc.init.bluetooth.conf: 2016-04-20T15:11:43.487387

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