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[Launchpad Bug Tracker <1300623@xxxxxxxxxxxxxxxxxx>]

** Branch linked: lp:ubuntu/trusty-proposed/bluez

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https://bugs.launchpad.net/bugs/1300623

Title:
  bluetoothd crashs after resuming from Suspend to RAM.

Status in “bluez” package in Ubuntu:
  Triaged
Status in “bluez” source package in Precise:
  Triaged
Status in “bluez” source package in Quantal:
  Won't Fix
Status in “bluez” source package in Saucy:
  Triaged
Status in “bluez” source package in Trusty:
  Triaged

Bug description:
  [Impact]

   * It is very annoying to see Bluetooth daemon crash after suspending and resuming when playing music through Bluetooth audio output.
   * The better user experience should be that Ubuntu will automatically reconnect to the Bluetooth audio output and play music through it.

  [Test Case]

   * Pairing Bluetooth audio device.
   * Playing music through Bluetooth audio output.
   * Suspending the system.
   * Resuming the system.

  [Regression Potential]

   * No obvious regression exists.

  [Other Info]
   
   * The patch is just to check if the device still exists in devices list before removed from the list. If it exists, do what should do as original steps. If not, do nothing.

  bluetoothd crashs after resuming from Suspend to RAM when it plays
  music through Bluetooth audio output.

  # apport-retrace -g _usr_sbin_bluetoothd.0.crash
  GNU gdb (Ubuntu/Linaro 7.4-2012.04-0ubuntu2) 7.4-2012.04
  Copyright (C) 2012 Free Software Foundation, Inc.
  License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
  This is free software: you are free to change and redistribute it.
  There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
  and "show warranty" for details.
  This GDB was configured as "x86_64-linux-gnu".
  For bug reporting instructions, please see:
  <http://bugs.launchpad.net/gdb-linaro/>.
  Reading symbols from /usr/sbin/bluetoothd...Reading symbols from /usr/lib/debug/usr/sbin/bluetoothd...done.
  done.
  [New LWP 1053]
  warning: Can't read pathname for load map: Input/output error.
  [Thread debugging using libthread_db enabled]
  Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
  Core was generated by `/usr/sbin/bluetoothd'.
  Program terminated with signal 6, Aborted.
  #0  0x00007f0107c01445 in raise () from /lib/x86_64-linux-gnu/libc.so.6
  (gdb) bt
  #0  0x00007f0107c01445 in raise () from /lib/x86_64-linux-gnu/libc.so.6
  #1  0x00007f0107c04bab in abort () from /lib/x86_64-linux-gnu/libc.so.6
  #2  0x00007f0107c3ee2e in ?? () from /lib/x86_64-linux-gnu/libc.so.6
  #3  0x00007f0107c49626 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
  #4  0x00007f0108a5c0b7 in g_slist_foreach (list=<optimized out>, func=0x7f0108a47b60 <g_free>, user_data=0x0)
      at /build/buildd/glib2.0-2.32.4/./glib/gslist.c:840
  #5  0x00007f0108a5c0db in g_slist_free_full (list=0x7f0107f817d8, free_func=<optimized out>)
      at /build/buildd/glib2.0-2.32.4/./glib/gslist.c:177
  #6  0x00007f0108f4a3b1 in client_free (data=0x7f01096e05f0) at audio/unix.c:113
  #7  0x00007f0108f4be79 in client_cb (cond=<optimized out>, data=0x7f01096e05f0, chan=<optimized out>) at audio/unix.c:1767
  #8  0x00007f0108a41d13 in g_main_dispatch (context=0x7f01096c6070) at /build/buildd/glib2.0-2.32.4/./glib/gmain.c:2539
  #9  g_main_context_dispatch (context=0x7f01096c6070) at /build/buildd/glib2.0-2.32.4/./glib/gmain.c:3075
  #10 0x00007f0108a42060 in g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x7f01096c6070, self=<optimized out>)
      at /build/buildd/glib2.0-2.32.4/./glib/gmain.c:3146
  #11 g_main_context_iterate (context=0x7f01096c6070, block=<optimized out>, dispatch=1, self=<optimized out>)
      at /build/buildd/glib2.0-2.32.4/./glib/gmain.c:3083
  #12 0x00007f0108a4245a in g_main_loop_run (loop=0x7f01096c61e0) at /build/buildd/glib2.0-2.32.4/./glib/gmain.c:3340
  #13 0x00007f0108f2c1fe in main (argc=1, argv=0x7fffd72297f8) at src/main.c:539

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: bluez 4.98-2ubuntu7
  ProcVersionSignature: Ubuntu 3.2.0-32.51-generic 3.2.30
  Uname: Linux 3.2.0-32-generic x86_64
  ApportVersion: 2.0.1-0ubuntu8
  Architecture: amd64
  Date: Tue Apr  1 15:19:56 2014
  DistributionChannelDescriptor:
   # This is a distribution channel descriptor
   # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
   canonical-oem-somerville-precise-amd64-20120703-2
  InstallationMedia: Ubuntu 12.04 "Precise" - Build amd64 LIVE Binary 20120703-15:08
  InterestingModules: rfcomm bnep btusb bluetooth
  MachineType: Dell Inc. Latitude E6230
  ProcEnviron:
   LC_CTYPE=en_US.UTF-8
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/zsh
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-32-generic root=UUID=3972ee07-72c0-4241-9b17-f4c82bd1b139 ro quiet splash vt.handoff=7
  SourcePackage: bluez
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 09/19/2012
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A05
  dmi.board.name: 098M9Y
  dmi.board.vendor: Dell Inc.
  dmi.board.version: X03
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA05:bd09/19/2012:svnDellInc.:pnLatitudeE6230:pvr01:rvnDellInc.:rn098M9Y:rvrX03:cvnDellInc.:ct9:cvr:
  dmi.product.name: Latitude E6230
  dmi.product.version: 01
  dmi.sys.vendor: Dell Inc.
  hciconfig:
   hci0:	Type: BR/EDR  Bus: USB
    BD Address: 74:DE:2B:D4:BB:8E  ACL MTU: 1021:8  SCO MTU: 64:1
    UP RUNNING PSCAN
    RX bytes:1339 acl:0 sco:0 events:56 errors:0
    TX bytes:735 acl:0 sco:0 commands:56 errors:0

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