[Konsole-devel] [Bug 65009] New: Scrolling text dissapears when covered

[Benjamin Roe]

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http://bugs.kde.org/show_bug.cgi?id=65009     
           Summary: Scrolling text dissapears when covered
           Product: konsole
           Version: unspecified
          Platform: Gentoo Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: konsole-devel at kde.org
        ReportedBy: ben at benroe.com


Version:            (using KDE KDE 3.1.3)
Installed from:    Gentoo Packages
Compiler:          gcc-3.2.3 
OS:          Linux

If I "tail -f" a file that is growing in a konsole window, so that the output causes the konsole window to scroll, and then display a menu over the top of the output (by, for example, clicking on the K menu so it covers the konsole), output from tail is not drawn to the screen while the konsole is covered. This leaves gaps in the output which then propagate up the screen as the konsole scrolls (see a screenshot at http://benroe.com/images/konsole.png).

This is using XFree86 4.3.0, Nvidia drivers with backing store enabled. It doesn't happen with xterm. Forcing the konsole to redraw (by resizing the window etc.) fixes the display.