https://bugs.kde.org/show_bug.cgi?id=383797
--- Comment #6 from Kai Uwe Broulik <k...@privat.broulik.de> --- How do I find out what process it belongs to? xwininfo -tree -root shows: xwininfo: Window id: 0xeb (the root window) (has no name) Root window id: 0xeb (the root window) (has no name) Parent window id: 0x0 (none) 98 children: [...] 0x3e00004 (has no name): () 1x1+0+0 +0+0 0x4000003 (has no name): () 3x3+0+0 +0+0 0x3e00003 (has no name): () 3x3+0+0 +0+0 0x2600004 (has no name): () 1x1+0+0 +0+0 0x3800003 (has no name): () 3x3+0+0 +0+0 0x1400003 (has no name): () 3x3+0+0 +0+0 0x2c00005 (has no name): () 1x1+0+0 +0+0 0x2c00004 (has no name): () 1x1+0+0 +0+0 0x3400002 (has no name): () 1x1+0+0 +0+0 0x1000004 (has no name): () 1x1+0+0 +0+0 0x3000004 (has no name): () 1x1+0+0 +0+0 0x2600003 (has no name): () 3x3+0+0 +0+0 0x3000003 (has no name): () 3x3+0+0 +0+0 0x2c00003 (has no name): () 3x3+0+0 +0+0 0x2200003 (has no name): () 3x3+0+0 +0+0 0x2800003 (has no name): () 3x3+0+0 +0+0 0x2000003 (has no name): () 3x3+0+0 +0+0 0x1a00004 (has no name): () 1x1+0+0 +0+0 0x1600004 (has no name): () 1x1+0+0 +0+0 0x1c00003 (has no name): () 3x3+0+0 +0+0 0x1a00003 (has no name): () 3x3+0+0 +0+0 0x1600003 (has no name): () 3x3+0+0 +0+0 0xe00001 (has no name): () 1x1+0+0 +0+0 0x1000003 (has no name): () 3x3+0+0 +0+0 0xc00003 (has no name): () 3x3+0+0 +0+0 0x200001 (has no name): () 10x10+-20+-20 +-20+-20 0x2600007 "KWin": () 1x1+0+0 +0+0 0x2600024 (has no name): () 1x1+0+0 +0+0 ← THAT was the window I clicked on 0x2600022 (has no name): () 1x1+0+1439 +0+1439 0x2600023 (has no name): () 74x74+0+1366 +0+1366 0x2600012 (has no name): () 1x1+2559+1439 +2559+1439 [...] It goes away when I quit kwin_x11 and when I restart it, a new window appears in xwininfo -tree -root with another ID but it's placed right below "KWin" in the output -- You are receiving this mail because: You are watching all bug changes.