1. Place xfce4-panel to edge of screen (anywhere, horizontal or vertical). 2. Activate Draw window frame when hovering a button (Window Button > Behaviour). 3. Open a software that have a full screen mode (e.g. Liferea or QupZilla). 4. Minimize the full screened application. 5. Hover cursor on the full screened application button. 6. Window frame blinks and causes higher CPU consumption.
5. Hover cursor on the full screened application button at screen edge.
Such even may cause, sometimes, to X to crash. Other way to reproduce: 1. Place panel on edge top of screen. 2. In panel preferences, check Automatically show and hide the panel. 3. Place window Midori Web Browser on edge top of screen, too. 4. Hover on the button of Midori Web Browser. 6. Window frame blinks and causes higher CPU consumption.
Oh, it's a property of the »window buttons« plugin.. thanks for pointing me to where to turn this off, after disabling cycle_draw_frame from the xfwm4-tweaks-dialog, I was confused for it still to go on. Especially annoying with an auto-hiding panel as one can't even activate any maximized application because of the noisy flicking. Is this so tricky to fix?
This is still a problem, not sure yet how to fix it though.
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