https://bugs.kde.org/show_bug.cgi?id=490720
--- Comment #1 from Oded Arbel <o...@geek.co.il> --- Created attachment 171974 --> https://bugs.kde.org/attachment.cgi?id=171974&action=edit Another system log of waking up and not connecting The original report here is about a problem disconnecting and reconnecting to the same Thunderbolt dock, after which the external screens do not turn on automatically, but do turn on manually (using the DisplayConfiguration KCM or the kscreen-doctor command line). I have a more problematic behavior - that is maybe related or may be the same thing - that if the laptop is connected to another dock (standard USB-C, non TB) with an external screen, then is slept, then wakes up and connects to the Thunderbolt dock - the external screens stay off and there is **no way** to turn them on other than a system reboot. Attached is the system log from waking up in the case where the screens cannot be turned on. They are still visible in the Display Configuration KCM, where the "enabled" checkbox is unmarked, but trying to enable it fails with no error messages. Here's the output of a kscreen-doctor script I use to set the display configuration for me: --8<--- + kscreen-doctor output.1.enable output.1.position.3200,840 output.2.enable output.2.position.0,0 output.2.mode.3840x2160@60 output.2.scale.1.35 output.2.rotation.left output.3.enable output.3.position.1600,0 output.3.mode.3840x2160@60 output.3.scale.1.35 output.3.rotation.left Enabling output 1 kscreen.doctor: Set output position QPoint(3200,840) Enabling output 2 kscreen.doctor: Set output position QPoint(0,0) kscreen.doctor: Taddaaa! Found mode "0" "3840x2160@60" kscreen.doctor: Output 2 set mode "3840x2160@60" Enabling output 3 kscreen.doctor: Set output position QPoint(1600,0) kscreen.doctor: Taddaaa! Found mode "0" "3840x2160@60" kscreen.doctor: Output 3 set mode "3840x2160@60" kscreen.doctor: setop exec returned KScreen::Config( KScreen::Output(1, "eDP-1", connected enabled priority 1, pos: QPoint(3200,840), res: QSize(1920, 1200), modeId: "0", scale: 1, clone: no, rotation: KScreen::Output::None, followPreferredMode: false) KScreen::Output(2, "DP-5", connected enabled priority 2, pos: QPoint(0,0), res: QSize(3840, 2160), modeId: "0", scale: 1.35, clone: no, rotation: KScreen::Output::Left, followPreferredMode: false) KScreen::Output(3, "DP-6", connected enabled priority 3, pos: QPoint(1600,0), res: QSize(3840, 2160), modeId: "0", scale: 1.35, clone: no, rotation: KScreen::Output::Left, followPreferredMode: false) ) + kscreen-doctor -o Output: 1 eDP-1 enabled connected priority 1 Panel Modes: 0:1920x1200@60*! 1:1920x1200@48 2:1600x1200@60 3:1280x1024@60 4:1024x768@60 5:1280x800@60 6:1920x1080@60 7:1600x900@60 8:1368x768@60 9:1280x720@60 Geometry: 0,0 1920x1200 Scale: 1 Rotation: 1 Overscan: 0 Vrr: incapable RgbRange: Automatic HDR: incapable Wide Color Gamut: incapable ICC profile: none Color profile source: sRGB Output: 2 DP-5 disabled connected priority 0 DisplayPort Modes: 0:3840x2160@60*! 1:3840x2160@60 2:3840x2160@30 3:2560x1440@60 4:2048x1280@60 5:1920x1200@60 6:2048x1080@24 7:1920x1080@60 8:1920x1080@60 9:1920x1080@60 10:1920x1080@50 11:1920x1080@24 12:1920x1080@24 13:1600x1200@60 14:1600x900@60 15:1280x1024@75 16:1280x1024@60 17:1152x864@75 18:1280x720@60 19:1280x720@60 20:1280x720@50 21:1024x768@75 22:1024x768@60 23:800x600@75 24:800x600@60 25:720x576@50 26:720x576@50 27:720x480@60 28:720x480@60 29:720x480@60 30:720x480@60 31:640x480@75 32:640x480@60 33:640x480@60 34:640x480@60 35:720x400@70 Geometry: 0,0 3840x2160 Scale: 1 Rotation: 1 Overscan: 0 Vrr: incapable RgbRange: Automatic HDR: incapable Wide Color Gamut: incapable ICC profile: none Color profile source: sRGB Output: 3 DP-6 disabled connected priority 0 DisplayPort Modes: 0:3840x2160@60*! 1:3840x2160@60 2:3840x2160@30 3:2560x1440@60 4:2048x1280@60 5:1920x1200@60 6:2048x1080@24 7:1920x1080@60 8:1920x1080@60 9:1920x1080@60 10:1920x1080@50 11:1920x1080@24 12:1920x1080@24 13:1600x1200@60 14:1600x900@60 15:1280x1024@75 16:1280x1024@60 17:1152x864@75 18:1280x720@60 19:1280x720@60 20:1280x720@50 21:1024x768@75 22:1024x768@60 23:800x600@75 24:800x600@60 25:720x576@50 26:720x576@50 27:720x480@60 28:720x480@60 29:720x480@60 30:720x480@60 31:640x480@75 32:640x480@60 33:640x480@60 34:640x480@60 35:720x400@70 Geometry: 0,0 3840x2160 Scale: 1 Rotation: 1 Overscan: 0 Vrr: incapable RgbRange: Automatic HDR: incapable Wide Color Gamut: incapable ICC profile: none Color profile source: sRGB ---8<--- As can be seen, after setting Outputs 2 and 3 to enabled, and kscreen-doctor acknowledging that it did that - they stay off and the kscreen-doctor output confirms this. -- You are receiving this mail because: You are watching all bug changes.