Unity launcher / dash does not reactivate after expo

Bug #1451278 reported by Lem
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
compiz-plugins-main (Ubuntu)
New
Undecided
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Bug Description

Sometimes, the Unity launcher / dash will not reactivate (return to its default state) after the Expo plugin has finished (as in, a workspace has been selected, so the desktop zooms back in). The icons on the launcher will remain greyed out (or desaturated, rather). Windows on the desktop are all functional, however any interaction with the launcher, dash or indicators with the mouse (left clicks) will cause the Expo plugin to activate again.

Pressing Alt (for HUD), Alt-tab (window switcher), or Start/super (open dash), will return the launcher back to its normal active state. Going back into Expo and then back to a desktop can fix it sometimes too.

This has been an issue for a couple of releases now (currently 15.04). I have not found a reliable way to reproduce it, however, here's my setup:

* Normal Ubuntu Unity desktop
* Latest nvidia driver from Ubuntu repository (currently nvidia-346)
* Workspaces enabled in a 3x2 configuration
* Expo activation bound to mouse to top right of screen.
* Single monitor, 1920x1200, GTX560Ti 1Gb

I haven't noticed a pattern to this yet, seems fairly random, however an inconvenience when it does happen.

Revision history for this message
Lem (lem-jjr) wrote :

This is still a problem in 16.04 as of 2016-04-07. Different configuration to the original report:

Ubuntu Studio 16.04 Beta 2, updated.
Installed ubuntu-desktop task to get Unity desktop.

Same 3x2 workspace configuration, single 1920x1200 monitor, however this time using a Radeon 380X on AMDGPU/radeonsi.

There seems to be no noticeable pattern to this, maybe it has something to do with various indicators? I'm running multiload-indicator, cpufreq indicator, psensors, and hamster-indicator.

Pressing Alt to bring up the HUD, or Super for Dash gets the Unity launcher back to its proper state.

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