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The package that this is reported against contains the Gnome Window
Selector applet. I do not know what package that is. It would be very
helpful if someone in the know set the bug to point to the correct
package.
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To reproduce:
1) Open a bunch of windows of different applications in Gnome.
2) Click the Window Selector to open the menu. You should see all of your
windows listed in the menu.
3) Without clicking other windows, click the Window Selector again to close the
menu.
4) Without clicking other windows, click the Window Selector again to open the
menu. With some probability p where 0 < p < 1, one or more of your windows will
be missing from the list.
Once missing, this window(s) will continue to be missing from the list
until you change focus to another window. Then, the next time you click
the Window Selector once, you should see all windows listed again.
(Effectively, you are back to step 2.)
I have noticed this bug only in the last week, so I don't know if a
recent update triggered it, or if it has been around for a while and I
merely did not notice it before now.
This bug is kind of a phantom, as sometimes I cannot trigger it and
sometimes it happens repeatedly. I have not found a sequence of actions
that guarantees repeatability, but if I use the desktop for a while, the
bug does occur relatively frequently.
I should stress that the windows themselves do not disappear, only the
listings of the windows in the Window Selector list.
There is a workaround. Changing window focus a few times seems to put
missing windows back on the list. On at least one instance, all of the
windows disappeared from the list and I needed to open new windows to
bring the existing windows back on the list.
This bug is quite annoying because I do not use the Window List applet
and the Window Selector is my primary method for switching windows.
** Affects: gnome-panel (Ubuntu)
Importance: Undecided
Status: New
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Gnome Window Selector loses windows
https://bugs.launchpad.net/bugs/184508
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Bugs, which is subscribed to gnome-panel in ubuntu.
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