Public bug reported:

Trying to use the impress remote
(https://wiki.documentfoundation.org/Impress_Remote) over bluetooth with
libreoffice over ubuntu bionic fails.

The handset errors out that it cannot connect with Libreoffice on the
computer even if the bluetooth adapter on the handset and on the
computer are correctly paired.

This does not seem to be an issue in the Libreoffice or in the impress
remote code:

- I have tested also past LibO versions
- The Impress remote codebase has not changed recently

This used to work on the same hardware (headset and laptop) with ubuntu
16.04.

Hence the issue seems to be in a regression in the ubuntu bluetooth
stack.

To replicate:

1) Install Libreoffice on Ubuntu bionic (either from the ubuntu repo or
with the deb packages from the document fundation)

2) Assure that your computer has bluetooth

3) Install impress remote on an android handset (either from the play
store of via fdroid)

4) Assure that "remote control" is enabled in impress
Tools>Options>Impress>General

5) Pair the bluetooth adapters in the laptop and in the computer

6) Open a presentation on the laptop

7) Open the remote on the handset, got to the bluetooth pane see the
computer there, touch it

8) See the impress remote erroring out

Most likely you will also get a bluetooth error on dmesg

RFCOMM server failed for LibreOffice Impress Remote: rfcomm_bind:
Address already in use (98)

Same issue was reported for fedora

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: bluez 5.48-0ubuntu3.1
ProcVersionSignature: Ubuntu 4.15.0-36.39-generic 4.15.18
Uname: Linux 4.15.0-36-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.4
Architecture: amd64
CurrentDesktop: KDE
Date: Wed Oct 17 16:57:29 2018
EcryptfsInUse: Yes
InstallationDate: Installed on 2013-12-12 (1769 days ago)
InstallationMedia: Kubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
InterestingModules: rfcomm bnep btusb bluetooth
MachineType: Notebook W740SU
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-36-generic 
root=/dev/mapper/zagar_ssd--vg-root ro quiet splash 
resume=/dev/zagar_ssd-vg/swap_1 acpi_backlight=vendor vt.handoff=1
SourcePackage: bluez
UpgradeStatus: Upgraded to bionic on 2018-06-08 (131 days ago)
dmi.bios.date: 10/02/2013
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 4.6.5
dmi.board.asset.tag: Tag 12345
dmi.board.name: W740SU
dmi.board.vendor: Notebook
dmi.board.version: Not Applicable
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 9
dmi.chassis.vendor: Notebook
dmi.chassis.version: N/A
dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvr4.6.5:bd10/02/2013:svnNotebook:pnW740SU:pvrNotApplicable:rvnNotebook:rnW740SU:rvrNotApplicable:cvnNotebook:ct9:cvrN/A:
dmi.product.family: Not Applicable
dmi.product.name: W740SU
dmi.product.version: Not Applicable
dmi.sys.vendor: Notebook
hciconfig:
 hci0:  Type: Primary  Bus: USB
        BD Address: 00:C2:C6:1A:28:71  ACL MTU: 310:10  SCO MTU: 64:8
        UP RUNNING PSCAN ISCAN 
        RX bytes:245088 acl:15156 sco:0 events:1266 errors:0
        TX bytes:15571 acl:402 sco:1 commands:131 errors:0

** Affects: bluez (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug bionic

** Bug watch added: Red Hat Bugzilla #1581879
   https://bugzilla.redhat.com/show_bug.cgi?id=1581879

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to bluez in Ubuntu.
https://bugs.launchpad.net/bugs/1798400

Title:
  Regression: cannot use impress remote over bluetooth with ubuntu
  bionic

Status in bluez package in Ubuntu:
  New

Bug description:
  Trying to use the impress remote
  (https://wiki.documentfoundation.org/Impress_Remote) over bluetooth
  with libreoffice over ubuntu bionic fails.

  The handset errors out that it cannot connect with Libreoffice on the
  computer even if the bluetooth adapter on the handset and on the
  computer are correctly paired.

  This does not seem to be an issue in the Libreoffice or in the impress
  remote code:

  - I have tested also past LibO versions
  - The Impress remote codebase has not changed recently

  This used to work on the same hardware (headset and laptop) with
  ubuntu 16.04.

  Hence the issue seems to be in a regression in the ubuntu bluetooth
  stack.

  To replicate:

  1) Install Libreoffice on Ubuntu bionic (either from the ubuntu repo
  or with the deb packages from the document fundation)

  2) Assure that your computer has bluetooth

  3) Install impress remote on an android handset (either from the play
  store of via fdroid)

  4) Assure that "remote control" is enabled in impress
  Tools>Options>Impress>General

  5) Pair the bluetooth adapters in the laptop and in the computer

  6) Open a presentation on the laptop

  7) Open the remote on the handset, got to the bluetooth pane see the
  computer there, touch it

  8) See the impress remote erroring out

  Most likely you will also get a bluetooth error on dmesg

  RFCOMM server failed for LibreOffice Impress Remote: rfcomm_bind:
  Address already in use (98)

  Same issue was reported for fedora

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: bluez 5.48-0ubuntu3.1
  ProcVersionSignature: Ubuntu 4.15.0-36.39-generic 4.15.18
  Uname: Linux 4.15.0-36-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.4
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Wed Oct 17 16:57:29 2018
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2013-12-12 (1769 days ago)
  InstallationMedia: Kubuntu 13.10 "Saucy Salamander" - Release amd64 
(20131016.1)
  InterestingModules: rfcomm bnep btusb bluetooth
  MachineType: Notebook W740SU
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-36-generic 
root=/dev/mapper/zagar_ssd--vg-root ro quiet splash 
resume=/dev/zagar_ssd-vg/swap_1 acpi_backlight=vendor vt.handoff=1
  SourcePackage: bluez
  UpgradeStatus: Upgraded to bionic on 2018-06-08 (131 days ago)
  dmi.bios.date: 10/02/2013
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 4.6.5
  dmi.board.asset.tag: Tag 12345
  dmi.board.name: W740SU
  dmi.board.vendor: Notebook
  dmi.board.version: Not Applicable
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 9
  dmi.chassis.vendor: Notebook
  dmi.chassis.version: N/A
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvr4.6.5:bd10/02/2013:svnNotebook:pnW740SU:pvrNotApplicable:rvnNotebook:rnW740SU:rvrNotApplicable:cvnNotebook:ct9:cvrN/A:
  dmi.product.family: Not Applicable
  dmi.product.name: W740SU
  dmi.product.version: Not Applicable
  dmi.sys.vendor: Notebook
  hciconfig:
   hci0:        Type: Primary  Bus: USB
        BD Address: 00:C2:C6:1A:28:71  ACL MTU: 310:10  SCO MTU: 64:8
        UP RUNNING PSCAN ISCAN 
        RX bytes:245088 acl:15156 sco:0 events:1266 errors:0
        TX bytes:15571 acl:402 sco:1 commands:131 errors:0

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