[Bug 305415] Using on-screen keyboard makes the system freeze

Lamarque V. Souza lamarque at kde.org
Mon Aug 20 12:43:36 UTC 2012


https://bugs.kde.org/show_bug.cgi?id=305415

Lamarque V. Souza <lamarque at kde.org> changed:

           What    |Removed                     |Added
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                 CC|                            |lamarque at kde.org

--- Comment #2 from Lamarque V. Souza <lamarque at kde.org> ---
I am able to reproduce the black screen problem in VirtualBox when using kwin's
OpenGL backend. It does not happen when I use XRender backend. Maliit creates a
fullscreen keyboard and uses transparency to show what is beneath the keyboard,
when transparency does not work the keyboard's background, which is black by
the way, covers the entire screen, that may be the problem.

If you are able to hook up a USB keyboard can you check if compositing is
active using the command below?

qdbus org.kde.kwin /KWin org.kde.KWin.compositingActive

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