Created attachment 5427
xfwm4 video overlay issue after closing video player
Open a video player application and play a high-resolution video. Close application. After several repetitions (about 20) the area that used to be occupied by the overlay video does not update anymore, leaving a portion of the display unusable and unresponsive. The display can be corrected by disabling and re-enabling compositing through the settings manager.
Reproducible in Fedora 20 Xfce fresh install and fully updated install with VLC and other media players, both in i386 and x86_64 environments, with compositing enabled. Easier to reproduce with more processor-intensive videos, but the problem is reproducible with any video.
Video hardware: agpgart-intel, Intel 945GM Chipset, gtt size: 262144K total, 262144K mappable, 16384K stolen memory, AGP aperture is 256M @ 0x60000000. fbcon: inteldrmfb (fb0) is primary device. fb0: inteldrmfb frame buffer device.
Example attached - overlay of the remains of the video player - cannot be removed until the compositor is disabled.
That could possibly be a driver bug... Can you reproduce on different hardware with different Xorg driver?
This happens to me on a GeForce 6150SE nForce 430 using nvidia, and on a RV370 [Mobility Radeon X300] using radeon. Both 4.11 (snapshots right now) of xfwm, and if I cycle the compositor it clears it up, for the moment.
This seems to happen with VLC and Skype (I know), which are both Qt applications, but not sure that's related.
Computer 1 additional info:
Display Server: X.Org 1.15.1
GLX Version: 2.1.2 NVIDIA 304.117
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