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
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https://bugs.launchpad.net/bugs/1798400
Title:
Regression: cannot use impress remote over bluetooth with ubuntu
bionic
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