notification-area-applet: QT applications extremely little tray icon.

Binary package hint: gnome-panel

With QT applications the tray icon is drawn very very little.

You could check it with with

/usr/lib/qt4/examples/desktop/systray/systray

of qt4-demos packat or with psi-plus jabber client.

The example's binary, has been copied to a different computer with lucid(details down), executed and worked properly.

$ dpkg -l gnome-panel
Deseado=Desconocido/Instalar/Eliminar/Purgar/Retener
| Estado=No/Instalado/Config-files/Desempaquetado/Medio-conf/Medio-inst/espera-disparo/pendiente-disparo
|/ Err?=(ninguno)/Requiere-reinst (Estado,Err: mayúsc.=malo)
||/ Nombre Versión Descripción
+++-==============-==============-============================================
ii gnome-panel 1:2.32.1-0ubun launcher and docking facility for GNOME

$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 11.04
Release: 11.04
Codename: natty

$ uname -a
Linux sobriux 2.6.38-8-generic #42-Ubuntu SMP Mon Apr 11 03:31:24 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux

////// wonrking computer //////

$ dpkg -l gnome-panel
Deseado=u:desconocido/Instalar/eliminaR/Purgar/H:mantener
| Estado=No/Inst/arch-Cfg/U:desemp/Fallo-cfg/H:medio-inst/W:espera-act/pTe-act
|/ Err?=(nada)/Requiere-reinstalación (Estado,Err: mayúsculas=malo)
||/ Nombre Versión Descripción
+++-==============-==============-============================================
ii gnome-panel 1:2.30.2-0ubun launcher and docking facility for GNOME

$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 10.04.2 LTS
Release: 10.04
Codename: lucid

$ uname -a
Linux melezca 2.6.32-31-generic #61-Ubuntu SMP Fri Apr 8 18:25:51 UTC 2011 x86_64 GNU/Linux