[Bug 174405] New: Strange artefacts in window bar when "composing message"-window in Mozilla Thunderbird is open

[Jens Herrmann]

http://bugs.kde.org/show_bug.cgi?id=174405

           Summary: Strange artefacts in window bar when "composing
                    message"-window in Mozilla Thunderbird is open
           Product: kde
           Version: unspecified
          Platform: Ubuntu Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: unassigned-bugs at kde.org
        ReportedBy: bugzilla at bikelab.org


Version:            (using KDE 4.1.2)
OS:                Linux
Installed from:    Ubuntu Packages

I did the update from Kubuntu Hardy to Ibex and have a problem with the window
bar since. When I open a window to compose a message in Mozilla Thunderbird the
entries for the applications in my window bar show very strange artefacts. The
window bar then looks like this: http://www.bikelab.org/bugs/snap-b.png

When I go over the entries with the mouse pointer a number of entries change
unpredictably. Some are blacked out, others reappear or show artefacts instead.
Similar problems exist with the digital clock. Here its possible to black it
out or make it reappear just by going over it with the mouse pointer. The bug
is reproducable here at all times, but it only happens when a window for
composing a message in Mozilla Thunderbird is open.

If you think KDE general is the wrong category for this bug please correct it.
I asked in a German Ubuntu forum which component to file this bug against but
did not get an answer
(http://forum.ubuntuusers.de/topic/darstellungsprobleme-in-kde-fensterleiste/).
However, there was one answer from a user who said that he and and one of his
fellows also have this problem, but with Gnome. He also wrote that he tried the
alternative nvidia driver which did not help.


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