bluetooth keyboards not working on xenial (16.04)

[aanno]

Bluetooth keyboards are NOT working with ubuntu (at least up to xenial/16.04).

Please switch to bluez 5. As fedora (23, 24) shows, bluetooth keyboards _are_ possible on linux.

dmesg:
[ 143.258228] Bluetooth: RFCOMM TTY layer initialized
[ 143.258254] Bluetooth: RFCOMM socket layer initialized
[ 143.258276] Bluetooth: RFCOMM ver 1.11
[ 168.080487] usb 2-3.2: reset low-speed USB device number 5 using ehci-pci
[ 168.805132] usb 2-3.2: reset low-speed USB device number 5 using ehci-pci
[ 169.713126] usb 2-3.2: reset low-speed USB device number 5 using ehci-pci
[ 170.329104] usb 2-3.2: reset low-speed USB device number 5 using ehci-pci
[ 171.453028] usb 2-3.2: reset low-speed USB device number 5 using ehci-pci
[ 172.128988] usb 2-3.2: reset low-speed USB device number 5 using ehci-pci
[ 172.777336] usb 2-3.2: reset low-speed USB device number 5 using ehci-pci
[ 588.214326] IPv6: ipv6_create_tempaddr: retry temporary address regeneration
[ 4754.448700] input: 00:07:A4:B5:F1:5E as /devices/virtual/input/input17
[ 4883.476061] input: 00:07:A4:B5:F1:5E as /devices/virtual/input/input18
[ 5122.179002] input: 00:07:A4:B5:F1:5E as /devices/virtual/input/input19
[ 5233.887414] show_signal_msg: 31 callbacks suppressed
[ 5233.887429] blueman-manager[9884]: segfault at 18 ip 00007fe1d1e99408 sp 00007fff68a87048 error 4 in libglib-2.0.so.0.4800.1[7fe1d1e35000+10f000]
[ 5315.146257] input: 00:07:A4:B5:F1:5E as /devices/virtual/input/input20
[ 5319.690619] Bluetooth: Unexpected continuation frame (len 0)
[ 5319.701495] Bluetooth: Unexpected continuation frame (len 0)
[ 6210.138215] perf interrupt took too long (2505 > 2500), lowering kernel.perf_event_max_sample_rate to 50000
[ 6268.272646] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.287700] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.291440] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.302703] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.321403] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.346551] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.370178] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.371380] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.379012] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.415283] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.422631] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.442682] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.461390] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.475128] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.482668] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.493927] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.501754] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.530148] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.545160] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.566494] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.583971] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.593858] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.601343] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.628843] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.636702] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.661519] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.677635] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.693901] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.706515] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.717627] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.737589] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.761504] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.770243] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.795241] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.798984] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.821488] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.829231] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.866509] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.872653] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.887757] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.902782] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.915251] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.922750] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.951491] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.956491] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.985273] Bluetooth: Unexpected continuation frame (len 0)
[ 6268.988940] Bluetooth: Unexpected continuation frame (len 0)
[ 6269.017700] Bluetooth: Unexpected continuation frame (len 0)
[ 6269.025162] Bluetooth: Unexpected continuation frame (len 0)
[ 6269.058816] Bluetooth: Unexpected continuation frame (len 0)
[ 6269.060035] Bluetooth: Unexpected continuation frame (len 0)
[ 6269.076418] Bluetooth: Unexpected continuation frame (len 0)
[ 6269.086473] Bluetooth: Unexpected continuation frame (len 0)
[ 6269.112729] Bluetooth: Unexpected continuation frame (len 0)
[ 6269.120253] Bluetooth: Unexpected continuation frame (len 0)
[ 6269.139375] Bluetooth: Unexpected continuation frame (len 0)

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: blueman 2.0.4-1ubuntu2
ProcVersionSignature: Ubuntu 4.4.0-38.57-generic 4.4.19
Uname: Linux 4.4.0-38-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
CurrentDesktop: XFCE
Date: Mon Sep 12 19:18:21 2016
ExecutablePath: /usr/bin/blueman-manager
InstallationDate: Installed on 2014-01-06 (980 days ago)
InstallationMedia: Xubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016)
InterpreterPath: /usr/bin/python3.5
ProcEnviron:
 LANGUAGE=de_DE
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
SourcePackage: blueman
UpgradeStatus: Upgraded to xenial on 2016-04-23 (142 days ago)