I can consistently reproduce this problem. The screencast describes the problem accurately, including the screen corruption. "show_desktop" is enabled in gconf-editor under nautilus preferences. This is on a clean, unmodified CCSM setup (except for changes to "Sync to VBlank").
If you invoke xwininfo on the invisible region, xwininfo returns the information about the invisible window (this is an Empathy conversation window): yjwong@yjwong-laptop:/etc/nginx$ xwininfo xwininfo: Please select the window about which you would like information by clicking the mouse in that window. xwininfo: Window id: 0x5e90769 "榆璟YuJing♥ »snAEP« ... (: (and 1 other)" Absolute upper-left X: 481 Absolute upper-left Y: 108 Relative upper-left X: 0 Relative upper-left Y: 0 Width: 777 Height: 619 Depth: 24 Visual: 0x23 Visual Class: TrueColor Border width: 0 Class: InputOutput Colormap: 0x20 (installed) Bit Gravity State: NorthWestGravity Window Gravity State: NorthWestGravity Backing Store State: NotUseful Save Under State: no Map State: IsViewable Override Redirect State: no Corners: +481+108 -108+108 -108-41 +481-41 -geometry 777x619-100-33 Will provide more information if requested. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/754065 Title: Minimized windows are invisible but present; minimize COMPLETELY BROKEN -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs