Full log: 1. Login (no headphone connected) 2. suspend and resume twice (no headphone connected) 3. resume and try to connect headphone, connected but no audio output device listed 4. restart bluetooth service, headphone connect successfully, audio output device added
May 14 11:17:28 shantanu-X510UQ NetworkManager[1116]: <info> [1526275048.2605] bluez: use BlueZ version 5 May 14 11:17:29 shantanu-X510UQ NetworkManager[1116]: <info> [1526275049.2513] bluez5: NAP: added interface F8:59:71:69:20:98 May 14 11:17:44 shantanu-X510UQ dbus-daemon[4508]: [session uid=1000 pid=4508] Activating via systemd: service name='org.bluez.obex' unit='dbus-org.bluez.obex.service' requested by ':1.68' (uid=1000 pid=4869 comm="/usr/bin/python3 /usr/bin/blueman-applet " label="unconfined") May 14 11:17:44 shantanu-X510UQ dbus-daemon[4508]: [session uid=1000 pid=4508] Successfully activated service 'org.bluez.obex' May 14 12:29:39 shantanu-X510UQ NetworkManager[1116]: <info> [1526279379.8623] bluez5: NAP: removed interface F8:59:71:69:20:98 May 14 12:29:41 shantanu-X510UQ pulseaudio[4664]: [pulseaudio] bluez5-util.c: Device /org/bluez/hci0/dev_90_CD_B6_59_6E_08 points to a nonexistent adapter /org/bluez/hci0. May 14 12:29:41 shantanu-X510UQ pulseaudio[4664]: [pulseaudio] bluez5-util.c: Device /org/bluez/hci0/dev_F0_13_C3_72_2C_16 points to a nonexistent adapter /org/bluez/hci0. May 14 12:29:41 shantanu-X510UQ pulseaudio[4664]: [pulseaudio] bluez5-util.c: Device /org/bluez/hci0/dev_00_12_D0_11_EA_9F points to a nonexistent adapter /org/bluez/hci0. May 14 12:29:41 shantanu-X510UQ NetworkManager[1116]: <info> [1526279381.4018] bluez5: NAP: added interface F8:59:71:69:20:98 May 14 20:52:58 shantanu-X510UQ NetworkManager[1103]: <info> [1526309578.7139] bluez: use BlueZ version 5 May 14 20:52:59 shantanu-X510UQ NetworkManager[1103]: <info> [1526309579.6354] bluez5: NAP: added interface F8:59:71:69:20:98 May 14 20:53:21 shantanu-X510UQ dbus-daemon[4329]: [session uid=1000 pid=4329] Activating via systemd: service name='org.bluez.obex' unit='dbus-org.bluez.obex.service' requested by ':1.67' (uid=1000 pid=4680 comm="/usr/bin/python3 /usr/bin/blueman-applet " label="unconfined") May 14 20:53:21 shantanu-X510UQ dbus-daemon[4329]: [session uid=1000 pid=4329] Successfully activated service 'org.bluez.obex' May 14 21:13:18 shantanu-X510UQ NetworkManager[1103]: <info> [1526310798.8622] bluez5: NAP: removed interface F8:59:71:69:20:98 May 14 21:13:20 shantanu-X510UQ pulseaudio[4482]: [pulseaudio] bluez5-util.c: Device /org/bluez/hci0/dev_90_CD_B6_59_6E_08 points to a nonexistent adapter /org/bluez/hci0. May 14 21:13:20 shantanu-X510UQ pulseaudio[4482]: [pulseaudio] bluez5-util.c: Device /org/bluez/hci0/dev_F0_13_C3_72_2C_16 points to a nonexistent adapter /org/bluez/hci0. May 14 21:13:20 shantanu-X510UQ pulseaudio[4482]: [pulseaudio] bluez5-util.c: Device /org/bluez/hci0/dev_00_12_D0_11_EA_9F points to a nonexistent adapter /org/bluez/hci0. May 14 21:13:20 shantanu-X510UQ NetworkManager[1103]: <info> [1526310800.3927] bluez5: NAP: added interface F8:59:71:69:20:98 May 14 23:01:33 shantanu-X510UQ NetworkManager[1103]: <info> [1526317293.8758] bluez5: NAP: removed interface F8:59:71:69:20:98 May 14 23:01:35 shantanu-X510UQ pulseaudio[4482]: [pulseaudio] bluez5-util.c: Device /org/bluez/hci0/dev_90_CD_B6_59_6E_08 points to a nonexistent adapter /org/bluez/hci0. May 14 23:01:35 shantanu-X510UQ pulseaudio[4482]: [pulseaudio] bluez5-util.c: Device /org/bluez/hci0/dev_F0_13_C3_72_2C_16 points to a nonexistent adapter /org/bluez/hci0. May 14 23:01:35 shantanu-X510UQ pulseaudio[4482]: [pulseaudio] bluez5-util.c: Device /org/bluez/hci0/dev_00_12_D0_11_EA_9F points to a nonexistent adapter /org/bluez/hci0. May 14 23:01:35 shantanu-X510UQ NetworkManager[1103]: <info> [1526317295.4658] bluez5: NAP: added interface F8:59:71:69:20:98 May 14 23:03:11 shantanu-X510UQ pulseaudio[4482]: [pulseaudio] bluez5-util.c: Information about device /org/bluez/hci0/dev_00_12_D0_11_EA_9F is invalid May 14 23:03:11 shantanu-X510UQ bluetoothd[1083]: Endpoint replied with an error: org.bluez.Error.InvalidArguments May 14 23:04:40 shantanu-X510UQ pulseaudio[4482]: [pulseaudio] backend-native.c: Device doesnt exist for /org/bluez/hci0/dev_00_12_D0_11_EA_9F May 14 23:04:40 shantanu-X510UQ bluetoothd[1083]: Headset Voice gateway replied with an error: org.bluez.Error.InvalidArguments, Unable to handle new connection May 14 23:04:51 shantanu-X510UQ pulseaudio[4482]: [pulseaudio] bluez5-util.c: Information about device /org/bluez/hci0/dev_00_12_D0_11_EA_9F is invalid May 14 23:04:51 shantanu-X510UQ bluetoothd[1083]: Endpoint replied with an error: org.bluez.Error.InvalidArguments May 14 23:04:53 shantanu-X510UQ pulseaudio[4482]: [pulseaudio] bluez5-util.c: Information about device /org/bluez/hci0/dev_00_12_D0_11_EA_9F is invalid May 14 23:04:53 shantanu-X510UQ bluetoothd[1083]: Endpoint replied with an error: org.bluez.Error.InvalidArguments May 14 23:05:09 shantanu-X510UQ NetworkManager[1103]: <info> [1526317509.2635] bluez5: NAP: removed interface F8:59:71:69:20:98 May 14 23:05:09 shantanu-X510UQ dbus-daemon[1068]: [system] Activating via systemd: service name='org.bluez' unit='dbus-org.bluez.service' requested by ':1.164' (uid=1000 pid=4680 comm="/usr/bin/python3 /usr/bin/blueman-applet " label="unconfined") May 14 23:05:09 shantanu-X510UQ blueman.desktop[4680]: File "/usr/lib/python3/dist-packages/blueman/bluez/Manager.py", line 59, in wrapper May 14 23:05:09 shantanu-X510UQ blueman.desktop[4680]: File "/usr/lib/python3/dist-packages/blueman/bluez/errors.py", line 148, in warp May 14 23:05:09 shantanu-X510UQ blueman.desktop[4680]: File "/usr/lib/python3/dist-packages/blueman/bluez/errors.py", line 146, in warp May 14 23:05:09 shantanu-X510UQ blueman.desktop[4680]: File "/usr/lib/python3/dist-packages/blueman/bluez/Manager.py", line 38, in get_adapter May 14 23:05:09 shantanu-X510UQ blueman.desktop[4680]: File "/usr/lib/python3/dist-packages/blueman/bluez/errors.py", line 148, in warp May 14 23:05:09 shantanu-X510UQ blueman.desktop[4680]: File "/usr/lib/python3/dist-packages/blueman/bluez/errors.py", line 146, in warp May 14 23:05:09 shantanu-X510UQ blueman.desktop[4680]: File "/usr/lib/python3/dist-packages/blueman/bluez/Manager.py", line 29, in list_adapters May 14 23:05:09 shantanu-X510UQ dbus-daemon[1068]: [system] Successfully activated service 'org.bluez' May 14 23:05:09 shantanu-X510UQ NetworkManager[1103]: <info> [1526317509.4042] bluez5: NAP: added interface F8:59:71:69:20:98 May 14 23:05:29 shantanu-X510UQ bluetoothd[32712]: /org/bluez/hci0/dev_00_12_D0_11_EA_9F/fd0: fd(38) ready -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1561474 Title: Bluetooth will be disable after resume from suspend on Xenial Status in linux package in Ubuntu: Confirmed Bug description: CID: 201208-11536 Dell Latitude 6430u The Bluetooth will be disabled after resume from suspend. You will need to use "hciconfig hci0 reset" to enable it. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: linux-image-4.4.0-15-generic 4.4.0-15.31 ProcVersionSignature: Ubuntu 4.4.0-15.31-generic 4.4.6 Uname: Linux 4.4.0-15-generic x86_64 ApportVersion: 2.20-0ubuntu3 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: ubuntu 1202 F.... pulseaudio CurrentDesktop: Unity Date: Thu Mar 24 19:14:07 2016 HibernationDevice: RESUME=UUID=25c03762-079c-4c6d-aedb-ec768318a6bf InstallationDate: Installed on 2016-03-24 (0 days ago) InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20151209) MachineType: Dell Inc. Latitude 6430U ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-15-generic root=UUID=18cfda3e-4f3d-40cf-8e7e-a83030819487 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-4.4.0-15-generic N/A linux-backports-modules-4.4.0-15-generic N/A linux-firmware 1.157 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 11/15/2012 dmi.bios.vendor: Dell Inc. dmi.bios.version: A02 dmi.board.asset.tag: 1234567 dmi.board.name: 0MN74V dmi.board.vendor: Dell Inc. dmi.board.version: X01 dmi.chassis.asset.tag: 1234567 dmi.chassis.type: 9 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA02:bd11/15/2012:svnDellInc.:pnLatitude6430U:pvr01:rvnDellInc.:rn0MN74V:rvrX01:cvnDellInc.:ct9:cvr: dmi.product.name: Latitude 6430U dmi.product.version: 01 dmi.sys.vendor: Dell Inc. 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