tray area disappears after alt+tab in fullscreen window

Bug #932769 reported by Vladimir Lushpenko on 2012-02-15
This bug affects 32 people
Affects Status Importance Assigned to Milestone
unity (Ubuntu)

Bug Description

1. open any window in full screen (for example press f11 in firefox)
2. press alt+tab (or whatever stays for switching windows)

result - tray area completely disappears, like there are no icons. the only solution to bring it back is to run unity --replace
this affects only classic tray area, indicators stay fine

i have noticed this problem about week ago, when have got an update to unity 5.0.0 in my ubuntu 11.10

i have attached a log - it is output from unity --replace
i have separated the log into two parts - one is before i reproduce bug, and second is after

tags: added: systray
removed: tray
Omer Akram (om26er) wrote :

thanks for the bug report. Can you please attach a screenshot or video of the problem.

Changed in unity:
status: New → Incomplete

attached a screencast that demonstrates the issue

Wow, wondered how this happens. I can reproduce it with latest 11.10 just as you describe. I pop up Remina full-screen, hit Alt+Tab, and now all my system tray icons are gone. Seems like there a blank space left where they were.

yes, the issue seems to be 100% reproduceable on current 11.10. but it looks like there are not that much people, who use fullscreen windows regulary =)

Changed in unity:
status: Incomplete → New
Omer Akram (om26er) on 2012-04-04
Changed in unity:
importance: Undecided → Low
status: New → Confirmed
Changed in unity (Ubuntu):
importance: Undecided → Low
status: New → Confirmed
Gao Shichao (xgdgsc) wrote :

It's 100% reproduceable on released 12.04 now. I didn't know it was related to fullscreen and alt+tab before. I just found after sometime tray icons except indicators disappear.

Gao Shichao (xgdgsc) wrote :

I found simply activating dash using super key in fullscreen app causes tray area disappears too. I guess it's related to

yes, #860970 affects me too. looks like these bugs have same root

used following workaround for alt+tab issue
- disabled unity's window switcher (anyway didn't like it's window grouping feature =) )
- enabled Static Application Switcher - this have brought me classic window switcher. when using it - tray does not disappear when alt+tabbing in a fullscreen window

but still, tray disappears when activating dash while fullscreen window is presented =(

Alex S. (magicboom) wrote :

Another workaround (i've posted it too for #982706) is killing compiz with -1:
  | user@host:~$ ps axu |grep compiz
  | user 3613 1.6 1.2 1405592 101044 ? Rl Jun12 125:27 compiz
  | user 3707 0.0 0.0 4392 608 ? Ss Jun12 0:00 /bin/sh -c /usr/bin/compiz-decorator
  | user@host:~$
  | user@host:~$ kill -1 3613

It keeps session and revert tray with all icons.

stepankk (stepankk) wrote :

Ubuntu 12.10, same problem.

olikaf (olivier-fresse) wrote :

Confirmed in 12.10 too.

unwrecker (unwrecker) wrote :

Ubuntu 13.04, same problem.

Andrea Azzarone (azzar1) wrote :

Is this still a problem on 14.04 or laters?

Changed in unity:
status: Confirmed → Incomplete
Changed in unity (Ubuntu):
status: Confirmed → Incomplete
SeyfSV (seyfsv) wrote :

Ubuntu 14.10, no problem

Andrea Azzarone (azzar1) on 2014-12-20
Changed in unity:
status: Incomplete → Invalid
Changed in unity (Ubuntu):
status: Incomplete → Invalid
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