SUMMARY *** NOTE: If you are reporting a crash, please try to attach a backtrace with debug symbols. See https://community.kde.org/Guidelines_and_HOWTOs/Debugging/How_to_create_useful_crash_reports *** I have a laptop that is attacked to two monitors (1440p@75Hz), with only the external monitors being used when in this setup. If the laptop goes to sleep and re-awakes one of the monitors suddenly has a lower resolution and refresh rate than before. This decrease starts at 1440p and goes from 1080p to 1050p eventually. I tried to use **kscreen-doctor** to investigate the issue but when trying to output the "broken" monitor's details **kscreen-doctor** always end with the core being dumped. STEPS TO REPRODUCE 1. Attach two external displays 2. Let the laptop go to sleep 3. Wake the laptop up OBSERVED RESULT One of the external monitors has a lower resolution and refresh rate than its default. EXPECTED RESULT All external monitors use the setting 1440p@75Hz SOFTWARE/OS VERSIONS Windows: macOS: Linux/KDE Plasma: endeavour OS (available in About System) KDE Plasma Version: 5.27.5 KDE Frameworks Version: 5.107.0 Qt Version: 5.15.10 ADDITIONAL INFORMATION ``` # kscreen-doctor output kscreen-doctor -o Output: 1 eDP-1 disabled connected priority 0 Panel Modes: 0:2880x1800@90*! 1:1600x1200@60 2:1280x1024@60 3:1024x768@60 4:2560x1600@60 5:1920x1200@60 6:1280x800@60 7:2880x1620@60 8:2560x1440@60 9:1920x1080@60 10:1600x900@60 11:1368x768@60 12:1280x720@60 Geometry: 0,0 1920x1200 Scale: 1.5 Rotation: 1 Overscan: 0 Vrr: incapable RgbRange: Automatic Output: 2 DP-1 enabled connected priority 2 DisplayPort Modes: 0:1920x1080@60 1:1920x1080@60! 2:1920x1080@60 3:1920x1080@50 4:1680x1050@60* 5:1280x1024@75 6:1280x1024@60 7:1440x900@60 8:1280x960@60 9:1280x800@60 10:1152x864@75 11:1280x720@60 12:1280x720@60 13:1280x720@60 14:1280x720@50 15:1280x720@50 16:1440x576@50 17:1440x576@50 18:1024x768@75 19:1024x768@70 20:1024x768@60 21:1440x480@60 22:1440x480@60 23:1440x480@60 24:1440x480@60 25:832x624@75 26:800x600@75 27:800x600@72 28:800x600@60 29:800x600@56 30:720x576@50 31:720x576@50 32:720x576@50 33:720x480@60 34:720x480@60 35:720x480@60 36:720x480@60 37:720x480@60 38:640x480@75 39:640x480@67 40:640x480@60 41:640x480@60 42:640x480@60 43:720x400@70 Geometry: 0,0 1680x1050 Scale: 1 Rotation: 1 Overscan: 0 Vrr: incapable RgbRange: Automatic Output: 3 HDMI-A-1 enabled connected priority 1 HDMI Modes: 0:2560x1440@75*! 1:2560x1440@60 2:1920x1080@60 3:1920x1080@60 4:1920x1080@60 5:1920x1080@50 6:1680x1050@60 7:1280x1024@75 8:1280x1024@60 9:1440x900@60 10:1280x960@60 11:1280x800@60 12:1152x864@75 13:1280x720@60 14:1280x720@60 15:1280x720@60 16:1280x720@50 17:1280x720@50 18:1440x576@50 19:1440x576@50 20:1024x768@75 21:1024x768@70 22:1024x768@60 23:1440x480@60 24:1440x480@60 25:1440x480@60 26:1440x480@60 27:832x624@75 28:800x600@75 29:800x600@72 30:800x600@60 31:800x600@56 32:720x576@50 33:720x576@50 34:720x576@50 35:720x480@60 36:720x480@60 37:720x480@60 38:720x480@60 39:720x480@60 40:640x480@75 41:640x480@67 42:640x480@60 43:640x480@60 44:640x480@60 45:720x400@70 Geometry: 1680,0 2560x1440 Scale: 1 Rotation: 1 Overscan: 0 Vrr: incapable RgbRange: Automatic malloc_consolidate(): unaligned fastbin chunk detected [1] 66238 IOT instruction (core dumped) kscreen-doctor -o ```
Is this happening on X11 or Wayland? If it's only one, can you try with the other?
Dear Bug Submitter, This bug has been in NEEDSINFO status with no change for at least 15 days. Please provide the requested information as soon as possible and set the bug status as REPORTED. Due to regular bug tracker maintenance, if the bug is still in NEEDSINFO status with no change in 30 days the bug will be closed as RESOLVED > WORKSFORME due to lack of needed information. For more information about our bug triaging procedures please read the wiki located here: https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging If you have already provided the requested information, please mark the bug as REPORTED so that the KDE team knows that the bug is ready to be confirmed. Thank you for helping us make KDE software even better for everyone!
This bug has been in NEEDSINFO status with no change for at least 30 days. The bug is now closed as RESOLVED > WORKSFORME due to lack of needed information. For more information about our bug triaging procedures please read the wiki located here: https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging Thank you for helping us make KDE software even better for everyone!