[Bug 253861] New: Half of the task manager panel is black
Gard Spreemann
gspreemann at gmail.com
Mon Oct 11 17:21:11 BST 2010
https://bugs.kde.org/show_bug.cgi?id=253861
Summary: Half of the task manager panel is black
Product: kde
Version: 4.5
Platform: Ubuntu Packages
OS/Version: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: general
AssignedTo: unassigned-bugs at kde.org
ReportedBy: gspreemann at gmail.com
Created an attachment (id=52420)
--> (http://bugs.kde.org/attachment.cgi?id=52420)
Screenshot of the half-black panel.
Version: 4.5 (using KDE 4.5.1)
OS: Linux
At some resolutions, half of the task manager panel is black. Since an image
speaks a thousand words, see the attached screenshot.
If I use krandrtray to change resolution, the problem often disappears. On
another computer, running KDE 4.4, switching to another resolution and then
back again fixes the panel. I suspect the background is drawn prematurely, and
then when the resolution goes up the panel extends without redrawing the
background. Or there is a race between extending the panel and redrawing the
background when the resolution changes.
On my computer, the problem exists at 1680x1050, on another it's 1900xsomething
that's problematic. There are no rendering glitches, and the two computers use
completely different graphics cards, so I don't think it's a graphics problem.
Reproducible: Always
Steps to Reproduce:
Login to KDE with a resolution of 1680x1050.
Actual Results:
Half the task manager panel is black.
Expected Results:
The entire task manage panel has some grayish background.
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