https://bugs.kde.org/show_bug.cgi?id=511490
--- Comment #6 from [email protected] --- Same problem and same error messages. With > QT_LOGGING_RULES="kwin_wayland_*.debug=true" I get the following: >nov 06 15:02:00 xps15-fedora kwin_wayland[2647]: Attempting to match >QList(DrmConnector(id=114, gpu="/dev/dri/card1", name="DP-1", >connection="Connected", countMode=42), DrmConnector(id=106, >gpu="/dev/dri/card1", name="eDP-1", connection="Connected", countMode=1), >DrmConnector(id=125, gpu="/dev/dri/card1", name="DP-2", >connection="Disconnected", countMode=0), DrmConnector(id=132, >gpu="/dev/dri/card1", name="DP-3", connection="Disconnected", countMode=0)) >with QList(DrmObject(id=56, gpu="/dev/dri/card1"), DrmObject(id=80, >gpu="/dev/dri/card1"), DrmObject(id=104, gpu="/dev/dri/card1")) >nov 06 15:02:00 xps15-fedora kwin_wayland[2647]: Assigning CRTC 56 to >connector 114 >nov 06 15:02:00 xps15-fedora kwin_wayland[2647]: Attempting to match >QList(DrmConnector(id=106, gpu="/dev/dri/card1", name="eDP-1", >connection="Connected", countMode=1), DrmConnector(id=125, >gpu="/dev/dri/card1", name="DP-2", connection="Disconnected", countMode=0), >DrmConnector(id=132, gpu="/dev/dri/card1", name="DP-3", >connection="Disconnected", countMode=0)) with QList(DrmObject(id=80, >gpu="/dev/dri/card1"), DrmObject(id=104, gpu="/dev/dri/card1")) >nov 06 15:02:00 xps15-fedora kwin_wayland[2647]: Assigning CRTC 80 to >connector 106 >nov 06 15:02:00 xps15-fedora kwin_wayland[2647]: Attempting to match >QList(DrmConnector(id=125, gpu="/dev/dri/card1", name="DP-2", >connection="Disconnected", countMode=0), DrmConnector(id=132, >gpu="/dev/dri/card1", name="DP-3", connection="Disconnected", countMode=0)) >with QList(DrmObject(id=104, gpu="/dev/dri/card1")) >nov 06 15:02:00 xps15-fedora kwin_wayland[2647]: Attempting to match >QList(DrmConnector(id=132, gpu="/dev/dri/card1", name="DP-3", >connection="Disconnected", countMode=0)) with QList(DrmObject(id=104, >gpu="/dev/dri/card1")) >nov 06 15:02:00 xps15-fedora kwin_wayland[2647]: Attempting to match QList() >with QList(DrmObject(id=104, gpu="/dev/dri/card1")) >nov 06 15:02:00 xps15-fedora kwin_wayland[2647]: Atomic modeset test failed! >Invalid argument >nov 06 15:02:00 xps15-fedora kwin_wayland[2647]: Testing CRTC assignment... >failed >nov 06 15:02:00 xps15-fedora kwin_wayland[2647]: Assigning CRTC 104 to >connector 106 >nov 06 15:02:00 xps15-fedora kwin_wayland[2647]: Attempting to match >QList(DrmConnector(id=125, gpu="/dev/dri/card1", name="DP-2", >connection="Disconnected", countMode=0), DrmConnector(id=132, >gpu="/dev/dri/card1", name="DP-3", connection="Disconnected", countMode=0)) >with QList(DrmObject(id=80, gpu="/dev/dri/card1")) >nov 06 15:02:00 xps15-fedora kwin_wayland[2647]: Attempting to match >QList(DrmConnector(id=132, gpu="/dev/dri/card1", name="DP-3", >connection="Disconnected", countMode=0)) with QList(DrmObject(id=80, >gpu="/dev/dri/card1")) >nov 06 15:02:00 xps15-fedora kwin_wayland[2647]: Attempting to match QList() >with QList(DrmObject(id=80, gpu="/dev/dri/card1")) >nov 06 15:02:00 xps15-fedora kwin_wayland[2647]: Atomic modeset test failed! >Invalid argument >nov 06 15:02:00 xps15-fedora kwin_wayland[2647]: Testing CRTC assignment... >failed >nov 06 15:02:00 xps15-fedora kwin_wayland[2647]: Assigning CRTC 80 to >connector 114 where this stands out to me: >Attempting to match QList() with QList(DrmObject(id=80, gpu="/dev/dri/card1")) It seems that the first QList is empty so it can't match? I'm not a developer so I might draw the wrong conclusion here. Also, I am running both a built-in screen @ 3840x2160 and two external displays at the same resolution. With the earlier statement that it's happening if the external display has a higher resolution than built-in, it seems that the built-in resolution is irrelevant. -- You are receiving this mail because: You are watching all bug changes.
