The useful piece from the log:
Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] client.c: Created 7 "Native client (UNIX socket client)" Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] protocol-dbus.c: Interface org.PulseAudio.Core1.Client added for object /org/pulseaudio/core1/client7 Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] protocol-native.c: Protocol version: remote 28, local 28 Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] protocol-native.c: Got credentials: uid=32011 gid=32011 success=1 Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] protocol-native.c: SHM possible: yes Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] protocol-native.c: Negotiated SHM: yes Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] module-augment-properties.c: Looking for .desktop file for pactl Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] protocol-dbus.c: Interface org.PulseAudio.Core1.Device removed from object /org/pulseaudio/core1/sink2 Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] protocol-dbus.c: Interface org.PulseAudio.Core1.Sink removed from object /org/pulseaudio/core1/sink2 Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] protocol-dbus.c: Interface org.PulseAudio.Core1.DevicePort removed from object /org/pulseaudio/core1/sink2/port0 Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] module-suspend-on-idle.c: Sink bluez_sink.00_21_CC_E9_02_39 becomes idle, timeout in 5 seconds. Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [bluetooth] sink.c: Requesting rewind due to started move Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] protocol-native.c: Requested tlength=250,00 ms, minreq=20,00 ms Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] protocol-native.c: Traditional mode enabled, modifying sink usec only for compat with minreq. Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] protocol-native.c: Requested latency=210,00 ms, Received latency=210,00 ms Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] sink-input.c: Successfully moved sink input 0 to sink.primary. Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] module-rescue-streams.c: Successfully moved sink input 0 "QtPulseAudio:2505" to sink.primary. Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] protocol-dbus.c: Interface org.PulseAudio.Core1.Device removed from object /org/pulseaudio/core1/source4 Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] protocol-dbus.c: Interface org.PulseAudio.Core1.Source removed from object /org/pulseaudio/core1/source4 Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] module-rescue-streams.c: No source outputs to move away. Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [bluetooth] module-bluetooth-device.c: IO thread shutdown requested, stopping cleanly Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [bluetooth] module-bluetooth-device.c: IO thread shutting down Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] module-bluetooth-device.c: Acquiring transport /org/bluez/859/hci0/dev_00_21_CC_E9_02_39/fd0 Feb 18 17:16:02 ubuntu-phablet bluetoothd[859]: audio/telephony.c:handle_network_property_changed() in handle_registration_property_changed(), the property is Strength Feb 18 17:16:19 ubuntu-phablet bluetoothd[859]: audio/transport.c:media_transport_acquire() Transport /org/bluez/859/hci0/dev_00_21_CC_E9_02_39/fd0: read lock acquired Feb 18 17:16:19 ubuntu-phablet bluetoothd[859]: audio/transport.c:media_transport_acquire() Transport /org/bluez/859/hci0/dev_00_21_CC_E9_02_39/fd0: write lock acquired Feb 18 17:16:19 ubuntu-phablet bluetoothd[859]: audio/transport.c:media_owner_create() Owner created: sender=:1.46 accesstype=rw Feb 18 17:16:19 ubuntu-phablet bluetoothd[859]: audio/headset.c:headset_set_state() State changed /org/bluez/859/hci0/dev_00_21_CC_E9_02_39: HEADSET_STATE_CONNECTED -> HEADSET_STATE_PLAY_IN_PROGRESS Feb 18 17:16:19 ubuntu-phablet bluetoothd[859]: audio/media.c:headset_state_changed() Feb 18 17:16:19 ubuntu-phablet bluetoothd[859]: audio/transport.c:media_request_create() Request created: method=Acquire id=1 Feb 18 17:16:19 ubuntu-phablet bluetoothd[859]: audio/transport.c:media_owner_add() Owner :1.46 Request Acquire Feb 18 17:16:19 ubuntu-phablet bluetoothd[859]: audio/transport.c:media_transport_add() Transport /org/bluez/859/hci0/dev_00_21_CC_E9_02_39/fd0 Owner :1.46 Feb 18 17:16:19 ubuntu-phablet bluetoothd[859]: Operation not supported (95) Feb 18 17:16:19 ubuntu-phablet bluetoothd[859]: audio/transport.c:media_transport_remove() Transport /org/bluez/859/hci0/dev_00_21_CC_E9_02_39/fd0 Owner :1.46 Feb 18 17:16:19 ubuntu-phablet bluetoothd[859]: audio/transport.c:media_transport_release() Transport /org/bluez/859/hci0/dev_00_21_CC_E9_02_39/fd0: read lock released Feb 18 17:16:19 ubuntu-phablet bluetoothd[859]: audio/transport.c:media_transport_release() Transport /org/bluez/859/hci0/dev_00_21_CC_E9_02_39/fd0: write lock released Feb 18 17:16:19 ubuntu-phablet bluetoothd[859]: audio/transport.c:media_request_reply() Request Acquire Reply Input/output error Feb 18 17:16:19 ubuntu-phablet bluetoothd[859]: audio/transport.c:media_owner_free() Owner :1.46 Feb 18 17:16:19 ubuntu-phablet bluetoothd[859]: audio/transport.c:media_owner_remove() Owner :1.46 Request Acquire Feb 18 17:16:19 ubuntu-phablet bluetoothd[859]: audio/headset.c:headset_set_state() State changed /org/bluez/859/hci0/dev_00_21_CC_E9_02_39: HEADSET_STATE_PLAY_IN_PROGRESS -> HEADSET_STATE_CONNECTED Feb 18 17:16:19 ubuntu-phablet bluetoothd[859]: audio/media.c:headset_state_changed() Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] module-bluetooth-device.c: Failed to acquire transport /org/bluez/859/hci0/dev_00_21_CC_E9_02_39/fd0 Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] card.c: Changed profile of card 1 "bluez_card.00_21_CC_E9_02_39" to off Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] sink.c: Freeing sink 2 "bluez_sink.00_21_CC_E9_02_39" Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] source.c: Freeing source 4 "bluez_sink.00_21_CC_E9_02_39.monitor" Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] client.c: Freed 7 "pactl" Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] protocol-native.c: Connection died. Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] protocol-dbus.c: Interface org.PulseAudio.Core1.Client removed from object /org/pulseaudio/core1/client7 Feb 18 17:16:21 ubuntu-phablet kernel: [ 141.921824][Ker_PM][request_suspend_state]sleep (0->3) at 141922562834 (2015-02-18 17:16:21.634153062 UTC) Feb 18 17:16:21 ubuntu-phablet kernel: [ 141.921856][Ker_PM][request_suspend_state]sys_sync_work_queue early_sys_sync_work Feb 18 17:16:21 ubuntu-phablet kernel: [ 141.921882][Ker_PM][request_suspend_state]suspend_work_queue early_suspend_work Feb 18 17:16:21 ubuntu-phablet kernel: [ 141.949405]<MAGNETIC> mag_context_obj ok------->hwm_obj->early_suspend=1 Feb 18 17:16:21 ubuntu-phablet kernel: [ 141.949420]mtk-tpd: TPD enter sleep Feb 18 17:16:21 ubuntu-phablet kernel: [ 141.957520]mmc3516x: set power mode ok 0! Feb 18 17:16:21 ubuntu-phablet kernel: [ 141.957542][LED]#6:0 Feb 18 17:16:22 ubuntu-phablet kernel: [ 142.566474][Ker_PM][early_suspend]calling pm_autosleep_set_state() with parameter: 3 Feb 18 17:16:22 ubuntu-phablet kernel: [ 142.566549]active wakeup source: USB suspend lock Feb 18 17:16:22 ubuntu-phablet kernel: [ 142.566560]active wakeup source: battery suspend wakelock Feb 18 17:16:22 ubuntu-phablet kernel: [ 142.566570]active wakeup source: pmicAuxadc irq wakelock
The useful piece from the log:
Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] client.c: Created 7 "Native client (UNIX socket client)" Core1.Client added for object /org/pulseaudio /core1/ client7 augment- properties. c: Looking for .desktop file for pactl Core1.Device removed from object /org/pulseaudio /core1/ sink2 Core1.Sink removed from object /org/pulseaudio /core1/ sink2 Core1.DevicePor t removed from object /org/pulseaudio /core1/ sink2/port0 suspend- on-idle. c: Sink bluez_sink. 00_21_CC_ E9_02_39 becomes idle, timeout in 5 seconds. rescue- streams. c: Successfully moved sink input 0 "QtPulseAudio:2505" to sink.primary. Core1.Device removed from object /org/pulseaudio /core1/ source4 Core1.Source removed from object /org/pulseaudio /core1/ source4 rescue- streams. c: No source outputs to move away. bluetooth- device. c: IO thread shutdown requested, stopping cleanly bluetooth- device. c: IO thread shutting down bluetooth- device. c: Acquiring transport /org/bluez/ 859/hci0/ dev_00_ 21_CC_E9_ 02_39/fd0 .c:handle_ network_ property_ changed( ) in handle_ registration_ property_ changed( ), the property is Strength .c:media_ transport_ acquire( ) Transport /org/bluez/ 859/hci0/ dev_00_ 21_CC_E9_ 02_39/fd0: read lock acquired .c:media_ transport_ acquire( ) Transport /org/bluez/ 859/hci0/ dev_00_ 21_CC_E9_ 02_39/fd0: write lock acquired .c:media_ owner_create( ) Owner created: sender=:1.46 accesstype=rw c:headset_ set_state( ) State changed /org/bluez/ 859/hci0/ dev_00_ 21_CC_E9_ 02_39: HEADSET_ STATE_CONNECTED -> HEADSET_ STATE_PLAY_ IN_PROGRESS c:headset_ state_changed( ) .c:media_ request_ create( ) Request created: method=Acquire id=1 .c:media_ owner_add( ) Owner :1.46 Request Acquire .c:media_ transport_ add() Transport /org/bluez/ 859/hci0/ dev_00_ 21_CC_E9_ 02_39/fd0 Owner :1.46 .c:media_ transport_ remove( ) Transport /org/bluez/ 859/hci0/ dev_00_ 21_CC_E9_ 02_39/fd0 Owner :1.46 .c:media_ transport_ release( ) Transport /org/bluez/ 859/hci0/ dev_00_ 21_CC_E9_ 02_39/fd0: read lock released .c:media_ transport_ release( ) Transport /org/bluez/ 859/hci0/ dev_00_ 21_CC_E9_ 02_39/fd0: write lock released .c:media_ request_ reply() Request Acquire Reply Input/output error .c:media_ owner_free( ) Owner :1.46 .c:media_ owner_remove( ) Owner :1.46 Request Acquire c:headset_ set_state( ) State changed /org/bluez/ 859/hci0/ dev_00_ 21_CC_E9_ 02_39: HEADSET_ STATE_PLAY_ IN_PROGRESS -> HEADSET_ STATE_CONNECTED c:headset_ state_changed( ) bluetooth- device. c: Failed to acquire transport /org/bluez/ 859/hci0/ dev_00_ 21_CC_E9_ 02_39/fd0 card.00_ 21_CC_E9_ 02_39" to off sink.00_ 21_CC_E9_ 02_39" sink.00_ 21_CC_E9_ 02_39.monitor" Core1.Client removed from object /org/pulseaudio /core1/ client7 [Ker_PM] [request_ suspend_ state]sleep (0->3) at 141922562834 (2015-02-18 17:16:21.634153062 UTC) [Ker_PM] [request_ suspend_ state]sys_ sync_work_ queue early_sys_sync_work [Ker_PM] [request_ suspend_ state]suspend_ work_queue early_suspend_work <MAGNETIC> mag_context_obj ok----- -->hwm_ obj->early_ suspend= 1 mmc3516x: set power mode ok 0! [LED]#6: 0 [Ker_PM] [early_ suspend] calling pm_autosleep_ set_state( ) with parameter: 3
Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] protocol-dbus.c: Interface org.PulseAudio.
Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] protocol-native.c: Protocol version: remote 28, local 28
Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] protocol-native.c: Got credentials: uid=32011 gid=32011 success=1
Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] protocol-native.c: SHM possible: yes
Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] protocol-native.c: Negotiated SHM: yes
Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] module-
Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] protocol-dbus.c: Interface org.PulseAudio.
Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] protocol-dbus.c: Interface org.PulseAudio.
Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] protocol-dbus.c: Interface org.PulseAudio.
Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] module-
Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [bluetooth] sink.c: Requesting rewind due to started move
Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] protocol-native.c: Requested tlength=250,00 ms, minreq=20,00 ms
Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] protocol-native.c: Traditional mode enabled, modifying sink usec only for compat with minreq.
Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] protocol-native.c: Requested latency=210,00 ms, Received latency=210,00 ms
Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] sink-input.c: Successfully moved sink input 0 to sink.primary.
Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] module-
Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] protocol-dbus.c: Interface org.PulseAudio.
Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] protocol-dbus.c: Interface org.PulseAudio.
Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] module-
Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [bluetooth] module-
Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [bluetooth] module-
Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] module-
Feb 18 17:16:02 ubuntu-phablet bluetoothd[859]: audio/telephony
Feb 18 17:16:19 ubuntu-phablet bluetoothd[859]: audio/transport
Feb 18 17:16:19 ubuntu-phablet bluetoothd[859]: audio/transport
Feb 18 17:16:19 ubuntu-phablet bluetoothd[859]: audio/transport
Feb 18 17:16:19 ubuntu-phablet bluetoothd[859]: audio/headset.
Feb 18 17:16:19 ubuntu-phablet bluetoothd[859]: audio/media.
Feb 18 17:16:19 ubuntu-phablet bluetoothd[859]: audio/transport
Feb 18 17:16:19 ubuntu-phablet bluetoothd[859]: audio/transport
Feb 18 17:16:19 ubuntu-phablet bluetoothd[859]: audio/transport
Feb 18 17:16:19 ubuntu-phablet bluetoothd[859]: Operation not supported (95)
Feb 18 17:16:19 ubuntu-phablet bluetoothd[859]: audio/transport
Feb 18 17:16:19 ubuntu-phablet bluetoothd[859]: audio/transport
Feb 18 17:16:19 ubuntu-phablet bluetoothd[859]: audio/transport
Feb 18 17:16:19 ubuntu-phablet bluetoothd[859]: audio/transport
Feb 18 17:16:19 ubuntu-phablet bluetoothd[859]: audio/transport
Feb 18 17:16:19 ubuntu-phablet bluetoothd[859]: audio/transport
Feb 18 17:16:19 ubuntu-phablet bluetoothd[859]: audio/headset.
Feb 18 17:16:19 ubuntu-phablet bluetoothd[859]: audio/media.
Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] module-
Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] card.c: Changed profile of card 1 "bluez_
Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] sink.c: Freeing sink 2 "bluez_
Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] source.c: Freeing source 4 "bluez_
Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] client.c: Freed 7 "pactl"
Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] protocol-native.c: Connection died.
Feb 18 17:16:19 ubuntu-phablet pulseaudio[2122]: [pulseaudio] protocol-dbus.c: Interface org.PulseAudio.
Feb 18 17:16:21 ubuntu-phablet kernel: [ 141.921824]
Feb 18 17:16:21 ubuntu-phablet kernel: [ 141.921856]
Feb 18 17:16:21 ubuntu-phablet kernel: [ 141.921882]
Feb 18 17:16:21 ubuntu-phablet kernel: [ 141.949405]
Feb 18 17:16:21 ubuntu-phablet kernel: [ 141.949420]mtk-tpd: TPD enter sleep
Feb 18 17:16:21 ubuntu-phablet kernel: [ 141.957520]
Feb 18 17:16:21 ubuntu-phablet kernel: [ 141.957542]
Feb 18 17:16:22 ubuntu-phablet kernel: [ 142.566474]
Feb 18 17:16:22 ubuntu-phablet kernel: [ 142.566549]active wakeup source: USB suspend lock
Feb 18 17:16:22 ubuntu-phablet kernel: [ 142.566560]active wakeup source: battery suspend wakelock
Feb 18 17:16:22 ubuntu-phablet kernel: [ 142.566570]active wakeup source: pmicAuxadc irq wakelock