My journalctl log is full with this kind of logs. I tried to silence this kind of messages with

Code: Select all

QT_LOGGING_RULES='*=false'
export QT_LOGGING_RULES


Im my shell startup file. But it doesn't work.

Code: Select all

11.04.18 18:30   kwin_x11   QXcbConnection: XCB error: 3 (BadWindow), sequence: 28373, resource id: 39847383, major code: 3 (GetWindowAttributes), minor code: 0
11.04.18 18:30   kwin_x11   QXcbConnection: XCB error: 9 (BadDrawable), sequence: 28374, resource id: 39847383, major code: 14 (GetGeometry), minor code: 0
11.04.18 18:30   kwin_x11   QXcbConnection: XCB error: 3 (BadWindow), sequence: 32698, resource id: 39847521, major code: 3 (GetWindowAttributes), minor code: 0
11.04.18 18:30   kwin_x11   QXcbConnection: XCB error: 9 (BadDrawable), sequence: 32699, resource id: 39847521, major code: 14 (GetGeometry), minor code: 0
11.04.18 18:30   plasmashell   QXcbConnection: XCB error: 2 (BadValue), sequence: 9430, resource id: 58720262, major code: 142 (Unknown), minor code: 3
11.04.18 18:30   kwin_x11   QXcbConnection: XCB error: 3 (BadWindow), sequence: 35765, resource id: 39847884, major code: 3 (GetWindowAttributes), minor code: 0
11.04.18 18:30   kwin_x11   QXcbConnection: XCB error: 9 (BadDrawable), sequence: 35766, resource id: 39847884, major code: 14 (GetGeometry), minor code: 0
11.04.18 18:30   plasmashell   QXcbConnection: XCB error: 2 (BadValue), sequence: 9745, resource id: 65011717, major code: 142 (Unknown), minor code: 3
11.04.18 18:30   plasmashell   QXcbConnection: XCB error: 2 (BadValue), sequence: 9754, resource id: 83886085, major code: 142 (Unknown), minor code: 3
11.04.18 18:30   plasmashell   QXcbConnection: XCB error: 2 (BadValue), sequence: 9766, resource id: 71303184, major code: 142 (Unknown), minor code: 3
11.04.18 18:30   plasmashell   QXcbConnection: XCB error: 2 (BadValue), sequence: 9800, resource id: 62914576, major code: 142 (Unknown), minor code: 3
11.04.18 18:31   kwin_x11   QXcbConnection: XCB error: 3 (BadWindow), sequence: 37925, resource id: 39848116, major code: 3 (GetWindowAttributes), minor code: 0

and

Code: Select all

11.04.18 18:56   kscreen_backend_launcher   kscreen.xcb.helper: RRNotify_OutputProperty (ignored)
11.04.18 18:56   kscreen_backend_launcher   kscreen.xcb.helper:    Output:  67
11.04.18 18:56   kscreen_backend_launcher   kscreen.xcb.helper:    Property:  Backlight
11.04.18 18:56   kscreen_backend_launcher   kscreen.xcb.helper:    State (newValue, Deleted):  0
11.04.18 18:56   kscreen_backend_launcher   kscreen.xcb.helper: RRNotify_OutputProperty (ignored)
11.04.18 18:56   kscreen_backend_launcher   kscreen.xcb.helper:    Output:  67
11.04.18 18:56   kscreen_backend_launcher   kscreen.xcb.helper:    Property:  Backlight
11.04.18 18:56   kscreen_backend_launcher   kscreen.xcb.helper:    State (newValue, Deleted):  0



For the kscreen_backend_launcher message there is a kde Bug report, which is marked as solved.
https://bugs.kde.org/show_bug.cgi?id=361688

I'm on Plasma 5.12.3 on Arch Linux