Public bug reported:
Hi,
I'm currently trying to debug why my Bluetooth Barcode scanner
(emulating a keyboard) with a USB bluetooth dongle does not work anymore
with my 18.04, can't connect it anoymore (it used to work at lease
occasionally months ago.) It pairs, but can't be connected as a HID.
One of the problems was that error message in /var/log/syslog:
Connection ":1.182" is not allowed to add more match rules (increase
limits in configuration file if required;
max_match_rules_per_connection=2048)
After adding
<limit name="max_replies_per_connection">1024</limit>
<limit name="max_match_rules_per_connection">2048</limit>
to the busconfig struct in /etc/dbus-1/system.d/bluetooth.conf
at least this error message vanished (while others persist, still does
not work).
However, this should be in /etc/dbus-1/system.d/bluetooth.conf as
delivered from the package and not require the user to debug and change.
regards
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: bluez 5.48-0ubuntu3.1
ProcVersionSignature: Ubuntu 4.15.0-50.54-generic 4.15.18
Uname: Linux 4.15.0-50-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.9-0ubuntu7.6
Architecture: amd64
CurrentDesktop: XFCE
Date: Sun May 26 14:37:28 2019
InstallationDate: Installed on 2018-06-09 (350 days ago)
InstallationMedia: Lubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
InterestingModules: rfcomm bnep btusb bluetooth
MachineType: Medion G24
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-50-generic
root=UUID=a3f06afa-8405-4064-8044-0a9e1b4c19c8 ro quiet splash vt.handoff=1
SourcePackage: bluez
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/12/2012
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: H61TIW08.111
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: H61H2-TI2
dmi.board.vendor: Medion
dmi.board.version: 1.0
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: Medion
dmi.chassis.version: 1.0
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrH61TIW08.111:bd10/12/2012:svnMedion:pnG24:pvr1.0:rvnMedion:rnH61H2-TI2:rvr1.0:cvnMedion:ct3:cvr1.0:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: G24
dmi.product.version: 1.0
dmi.sys.vendor: Medion
hciconfig:
hci0: Type: Primary Bus: USB
BD Address: 00:1A:7D:DA:71:13 ACL MTU: 310:10 SCO MTU: 64:8
UP RUNNING PSCAN
RX bytes:2128 acl:0 sco:0 events:126 errors:0
TX bytes:4712 acl:0 sco:0 commands:106 errors:0
mtime.conffile..etc.dbus-1.system.d.bluetooth.conf: 2019-05-26T14:29:51.468868
** Affects: bluez (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic
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https://bugs.launchpad.net/bugs/1830537
Title:
missing max_match_rules_per_connection
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