Panel icon appears in Plank dock

Bug #1733078 reported by Nunya on 2017-11-18
This bug affects 11 people
Affects Status Importance Assigned to Milestone

Bug Description

Using Plank v.0.11.4 (installed from default ubuntu repo) under Ubuntu Mate 17.10, the Panel icon occasionally appears without user intervention when the "Show unpinned" setting is enabled. The icon remains in the dock, has no visible effect when clicked, and can only be removed by opening preferences and disabling the "Show unpinned" setting.

Re-enabling the "Show Unpinned" setting does not cause the icon to immediately reappear, but it does eventually reappear at some point. The reappearance is not associated with any user-related panel activity, such as changing an existing panel or opening a new one.

OS: Ubuntu 17.10 artful
Kernel: x86_64 Linux 4.13.0-16-generic
Uptime: 2d 21h 50m
Shell: bash 4.4.12
Resolution: 1920x1080
DE: MATE 1.18.1
WM: Metacity (Marco)
GTK Theme: 'Blue-Submarine' [GTK2/3]
Icon Theme: mate
Font: Ubuntu 11
CPU: AMD FX-6200 Six-Core @ 6x 3.8GHz
GPU: GeForce GT 610
RAM: 1672MiB / 16005MiB

Sorin (sorinc) wrote :

I can confirm this being the case in Mate 18.04 beta too. On mate community discussion it is said it is a bug in Plank iteself.

Here is the 18.04 report from Mate discussion

The same bug also appears if you launch an application that "closes" in tray, like psensor.
> 2) Same things for tray applications, e.g. I installed psensor which has a tray icon, if I minimize the psensor to tray it doesn't dissapear from dock.

Proposed solution: Add the possibility to configure "ignored applications". The applications marked as ignored will never show up in dock.

Babenko Yevgeniy (phoen-x89) wrote :

I can confirm, still have problem on:

OS: Ubuntu 18.04.2 LTS \n \l
Kernel: x86_64 4.15.0-45-generic #48-Ubuntu SMP
Resolution: 1920x1080
DE: MATE 1.20.1

laci (laszlo-veres) wrote :

I confirm on Xubuntu 18.04.

Neil Broadley (scaine) on 2019-05-22
Changed in plank:
status: New → Confirmed
clatterfordslim (staggmark33) wrote :

This has actually been a problem since the latter part of Ubuntu 16.04 of 2016. It thinks the panel is a App and when you left click the panel icon in plank, it minimizes it. Back then I was using Ubuntu Mate and I can concur it's still around today and has never been solved and probably never will be.

Tran Duc Binh (binhtran432k) wrote :

I don't remember what I have done but after I install libremenu(menu editor) to detect and delete some error shortcuts which don't have path to execute (also be default shortcut) that make briskmenu crash on boot, I don't get any panel icon in plank whenever I neither edit panel or press alt+F2 anymore. Hope this will help you!

Pavel Petukhov (pelvur) wrote :

I have the same issue on Debian 10.3 with MATE.
Strangely enough, I have another laptop with the same setup, and I have never seen it there, I didn't even know this issue exists. Not sure if any of the apps I have installed make the difference (I don't have the above mentioned libremenu installed, i don't even see it in repos).

Adimira (adimira) wrote :

I also confirm this issue on both Ubuntu Mate 18.04 (Plank 0.11.4) and 20.04 (Plank 0.11.89).

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