** Description changed:

- STEPS TO REPRODUCE:
- 1. Connect to Bluetooth audio device
- 2. Suspend & Resume
- 3. Reconnect to Bluetooth device.
+ [Impact]
+ 
+ Users of Bluetooth audio have no sound after they suspend and resume the
+ system.
+ 
+ [Test Case]
+ 
+  1. Connect to Bluetooth audio device
+  2. Suspend & Resume
+  3. Reconnect to Bluetooth device.
+ 
+ [Regression Potential]
+ 
+ Medium. TODO: Describe the patch in more detail
+ 
+ [Other Info]
+  
+ Already released to cosmic as part of bluez version 5.50.
  
  This regression in bluez 5.48 has already been identified and fixed
  upstream. Report is here <https://marc.info/?l=linux-
  bluetooth&m=151616078627045&w=2> and patch is here
  
<https://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/?id=d6e9539e31c6bb5afd39ec6f09c518d232e6345d>.
  
  Syslog reports messages as follows when this issue is happening (I have 
replaced my device's MAC address with [MAC]):
  Mar 28 12:34:29 cue pulseaudio[1859]: [pulseaudio] bluez5-util.c: Information 
about device /org/bluez/hci0/dev_[MAC] is invalid
  Mar 28 12:34:29 cue bluetoothd[984]: Endpoint replied with an error: 
org.bluez.Error.InvalidArguments
  Mar 28 12:34:33 cue pulseaudio[1859]: [pulseaudio] bluez5-util.c: Information 
about device /org/bluez/hci0/dev_[MAC] is invalid
  Mar 28 12:34:33 cue bluetoothd[984]: Endpoint replied with an error: 
org.bluez.Error.InvalidArguments
  
  Workaround is to run sudo systemctl restart bluetooth after resume.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: bluez 5.48-0ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-12.13-generic 4.15.7
  Uname: Linux 4.15.0-12-generic x86_64
  ApportVersion: 2.20.9-0ubuntu1
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Wed Mar 28 12:37:11 2018
  InstallationDate: Installed on 2018-03-23 (5 days ago)
  InstallationMedia: Kubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 
(20180306.1)
  InterestingModules: rfcomm bnep btusb bluetooth
  MachineType: Hewlett-Packard HP ProBook 640 G1
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-12-generic 
root=/dev/mapper/internal-root ro quiet splash vt.handoff=1
  SourcePackage: bluez
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 01/25/2018
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: L78 Ver. 01.43
  dmi.board.name: 2101
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: KBC Version 16.3C
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.modalias: 
dmi:bvnHewlett-Packard:bvrL78Ver.01.43:bd01/25/2018:svnHewlett-Packard:pnHPProBook640G1:pvrA3009DD10303:rvnHewlett-Packard:rn2101:rvrKBCVersion16.3C:cvnHewlett-Packard:ct10:cvr:
  dmi.product.family: 103C_5336AN G=N L=BUS B=HP S=PRO
  dmi.product.name: HP ProBook 640 G1
  dmi.product.version: A3009DD10303
  dmi.sys.vendor: Hewlett-Packard
  hciconfig:
-  hci0:        Type: Primary  Bus: USB
-       BD Address: 80:00:0B:C7:4D:1C  ACL MTU: 310:10  SCO MTU: 64:8
-       UP RUNNING PSCAN 
-       RX bytes:5025 acl:32 sco:0 events:202 errors:0
-       TX bytes:5785 acl:32 sco:0 commands:103 errors:0
+  hci0:        Type: Primary  Bus: USB
+   BD Address: 80:00:0B:C7:4D:1C  ACL MTU: 310:10  SCO MTU: 64:8
+   UP RUNNING PSCAN
+   RX bytes:5025 acl:32 sco:0 events:202 errors:0
+   TX bytes:5785 acl:32 sco:0 commands:103 errors:0

** Description changed:

  [Impact]
  
  Users of Bluetooth audio have no sound after they suspend and resume the
  system.
  
  [Test Case]
  
-  1. Connect to Bluetooth audio device
-  2. Suspend & Resume
-  3. Reconnect to Bluetooth device.
+  1. Connect to Bluetooth audio device
+  2. Suspend & Resume
+  3. Reconnect to Bluetooth device.
  
  [Regression Potential]
  
- Medium. TODO: Describe the patch in more detail
+ Low. Although common Bluetooth code is modified in the fix, it has been
+ released as a patch in other distros for some time already.
  
  [Other Info]
-  
+ 
  Already released to cosmic as part of bluez version 5.50.
  
  This regression in bluez 5.48 has already been identified and fixed
  upstream. Report is here <https://marc.info/?l=linux-
  bluetooth&m=151616078627045&w=2> and patch is here
  
<https://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/?id=d6e9539e31c6bb5afd39ec6f09c518d232e6345d>.
  
  Syslog reports messages as follows when this issue is happening (I have 
replaced my device's MAC address with [MAC]):
  Mar 28 12:34:29 cue pulseaudio[1859]: [pulseaudio] bluez5-util.c: Information 
about device /org/bluez/hci0/dev_[MAC] is invalid
  Mar 28 12:34:29 cue bluetoothd[984]: Endpoint replied with an error: 
org.bluez.Error.InvalidArguments
  Mar 28 12:34:33 cue pulseaudio[1859]: [pulseaudio] bluez5-util.c: Information 
about device /org/bluez/hci0/dev_[MAC] is invalid
  Mar 28 12:34:33 cue bluetoothd[984]: Endpoint replied with an error: 
org.bluez.Error.InvalidArguments
  
  Workaround is to run sudo systemctl restart bluetooth after resume.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: bluez 5.48-0ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-12.13-generic 4.15.7
  Uname: Linux 4.15.0-12-generic x86_64
  ApportVersion: 2.20.9-0ubuntu1
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Wed Mar 28 12:37:11 2018
  InstallationDate: Installed on 2018-03-23 (5 days ago)
  InstallationMedia: Kubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 
(20180306.1)
  InterestingModules: rfcomm bnep btusb bluetooth
  MachineType: Hewlett-Packard HP ProBook 640 G1
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-12-generic 
root=/dev/mapper/internal-root ro quiet splash vt.handoff=1
  SourcePackage: bluez
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 01/25/2018
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: L78 Ver. 01.43
  dmi.board.name: 2101
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: KBC Version 16.3C
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.modalias: 
dmi:bvnHewlett-Packard:bvrL78Ver.01.43:bd01/25/2018:svnHewlett-Packard:pnHPProBook640G1:pvrA3009DD10303:rvnHewlett-Packard:rn2101:rvrKBCVersion16.3C:cvnHewlett-Packard:ct10:cvr:
  dmi.product.family: 103C_5336AN G=N L=BUS B=HP S=PRO
  dmi.product.name: HP ProBook 640 G1
  dmi.product.version: A3009DD10303
  dmi.sys.vendor: Hewlett-Packard
  hciconfig:
   hci0:        Type: Primary  Bus: USB
    BD Address: 80:00:0B:C7:4D:1C  ACL MTU: 310:10  SCO MTU: 64:8
    UP RUNNING PSCAN
    RX bytes:5025 acl:32 sco:0 events:202 errors:0
    TX bytes:5785 acl:32 sco:0 commands:103 errors:0

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https://bugs.launchpad.net/bugs/1759628

Title:
   bluez regression: Bluetooth audio fails to reconnect after resume

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