Language bar is totally broken. Hotkeys won't work

Bug #1733121 reported by Alon Tzur on 2017-11-18
This bug affects 1 person
Affects Status Importance Assigned to Milestone
unity (Ubuntu)

Bug Description

I have a bilingual support of English and Hebrew, I used to switch between them with a hotkey (LShift+Alt).
Now the hotkeys are not working at all (along with some customized ones).
When I try to manually change the language (from the language bar itself), The indicator may change to Hebrew, but the written text is still English! (so the language indicator is totally broken, and have no connection to the real system language).
Unity core hotkeys such as Alt+Tab, Mod, or my predefined workspace switcher are still working.

Already tried to: drop the .cache/dconf/user file, uninstall appmenu-qt5, remove and add the Hebrew language.

My system is Ubuntu 16.04 up to date.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: unity-services 7.4.0+16.04.20160906-0ubuntu1
ProcVersionSignature: Ubuntu 4.4.0-57.78-generic 4.4.35
Uname: Linux 4.4.0-57-generic x86_64

ApportVersion: 2.20.1-0ubuntu2.12
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
CurrentDesktop: Unity
Date: Sat Nov 18 22:55:53 2017
DistUpgraded: Fresh install
DistroCodename: xenial
DistroVariant: ubuntu
 8188eu, 1.0, 4.4.0-57-generic, x86_64: installed
 rtl8192eu, 4.4, 4.4.0-57-generic, x86_64: installed
 rtlwifi-new, 0.10, 4.4.0-53-generic, x86_64: installed
 rtlwifi-new, 0.10, 4.4.0-57-generic, x86_64: installed
 virtualbox, 5.0.40, 4.4.0-57-generic, x86_64: installed
ExecutablePath: /usr/lib/x86_64-linux-gnu/unity/unity-panel-service
 Intel Corporation Broadwell-U Integrated Graphics [8086:1616] (rev 09) (prog-if 00 [VGA controller])
   Subsystem: Hewlett-Packard Company Broadwell-U Integrated Graphics [103c:2246]
InstallationDate: Installed on 2015-09-07 (803 days ago)
InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
MachineType: Hewlett-Packard HP ProBook 430 G2
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-57-generic root=/dev/mapper/rootvg-rootlv ro quiet splash vt.handoff=7
SourcePackage: unity
UpgradeStatus: No upgrade log present (probably fresh install) 05/19/2016
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: M73 Ver. 01.41 2246
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 59.23
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: dmi:bvnHewlett-Packard:bvrM73Ver.01.41:bd05/19/2016:svnHewlett-Packard:pnHPProBook430G2:pvrA3009DD10303:rvnHewlett-Packard:rn2246:rvrKBCVersion59.23:cvnHewlett-Packard:ct10:cvr: HP ProBook 430 G2
dmi.product.version: A3009DD10303
dmi.sys.vendor: Hewlett-Packard
version.compiz: compiz 1:
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.76-1~ubuntu16.04.1
version.libgl1-mesa-dri: libgl1-mesa-dri 17.0.7-0ubuntu0.16.04.2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 17.0.7-0ubuntu0.16.04.2
version.xserver-xorg-core: xserver-xorg-core 2:1.18.4-0ubuntu0.7
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.1-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.7.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20160325-1ubuntu1.2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.12-1build2
xserver.bootTime: Sat Nov 18 23:27:52 2017
xserver.configfile: default

xserver.logfile: /var/log/Xorg.0.log
 product id 852
 vendor LGD
xserver.version: 2:1.18.4-0ubuntu0.7

Alon Tzur (tzuralon) wrote :
Khurshid Alam (khurshid-alam) wrote :

This may have something to do with patch removed from recent xorg which landed through SRU. See LP: #1683383 and LP: #1245473

Alon Tzur (tzuralon) wrote :

Khurshid Alam - thanks, but those 2 bugs don't seem related.

I managed to isolate a factor:
It recreates only when I reboot with another screen connected (VGA).
I use a laptop, and when I work at my house, It is connected to another main screen.
Rebooting when the VGA is disconnected lets the system run correctly (and then it is possible to connect the screen without recreating the bug).

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