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Hello! I've been having issues with powerdevil for a while now. I'm currently on powerdevil 6.4.2-1 and ddcutil 2.2.0-1. I've tried solutions from the upstream bug report on increasing the timeout of the power devil service, to no effect. Putting the computer to sleep using systemctl does work. Here are my systemctl logs. Thank you for any help and please let me know if any other logs are needed.
Jul 07 09:48:34 babylon systemd[1481]: Starting Powerdevil...
Jul 07 09:48:34 babylon org_kde_powerdevil[29690]: Starting libddcutil. library built Not set at Not set. stdout_stderr_redirected=true
Jul 07 09:48:35 babylon org_kde_powerdevil[29690]: org.kde.powerdevil: Creating UPowerDevice for "/org/freedesktop/UPower/devices/DisplayDevice"
Jul 07 09:48:35 babylon org_kde_powerdevil[29690]: org.kde.powerdevil: Update: QMap(("BatteryLevel", QVariant(uint, 1))("Capacity", QVariant(double, 0))("ChargeCycles", QVariant(int, 0))("ChargeEndThreshold", QVariant(uint, 0))("ChargeStartThreshold", QVariant(uint, 0))("ChargeThresholdEnabled", QVariant(bool, false))("ChargeThresholdSupported", QVariant(bool, false))("Energy", QVariant(double, 0))("EnergyEmpty", QVariant(double, 0))("EnergyFull", QVariant(double, 0))("EnergyFullDesign", QVariant(double, 0))("EnergyRate", QVariant(double, 0))("HasHistory", QVariant(bool, false))("HasStatistics", QVariant(bool, false))("IconName", QVariant(QString, "battery-missing-symbolic"))("IsPresent", QVariant(bool, false))("IsRechargeable", QVariant(bool, false))("Luminosity", QVariant(double, 0))("Model", QVariant(QString, ""))("NativePath", QVariant(QString, ""))("Online", QVariant(bool, false))("Percentage", QVariant(double, 0))("PowerSupply", QVariant(bool, false))("Serial", QVariant(QString, ""))("State", QVariant(uint, 0))("Technology", QVariant(uint, 0))("Temperature", QVariant(double, 0))("TimeToEmpty", QVariant(qlonglong, 0))("TimeToFull", QVariant(qlonglong, 0))("Type", QVariant(uint, 0))("UpdateTime", QVariant(qulonglong, 1751899377))("Vendor", QVariant(QString, ""))("Voltage", QVariant(double, 0))("WarningLevel", QVariant(uint, 1)))
Jul 07 09:48:35 babylon org_kde_powerdevil[29690]: org.kde.powerdevil: Trying to detect displays for brightness control...
Jul 07 09:48:35 babylon org_kde_powerdevil[29690]: org.kde.powerdevil: [DDCutilDetector]: Initializing ddcutil API (create ddcutil configuration file for tracing & more)...
Jul 07 09:48:35 babylon org_kde_powerdevil[29690]: Initializing libddcutil. ddcutil version: 2.2.0, shared library: /usr/lib/libddcutil.so.5.2.0
Jul 07 09:48:35 babylon org_kde_powerdevil[29690]: [ 29690] Options passed from client:
Jul 07 09:48:35 babylon org_kde_powerdevil[29690]: [ 29690] Applying combined libddcutil options:
Jul 07 09:48:35 babylon org_kde_powerdevil[29690]: [ 29690] (i2c_detect_x37) Extra x37 sleep: Slept for 400 millisec
Jul 07 09:48:35 babylon org_kde_powerdevil[29690]: [ 29690] (i2c_detect_x37) Extra x37 sleep: Slept for 400 millisec
Jul 07 09:48:36 babylon org_kde_powerdevil[29690]: [ 29690] (i2c_detect_x37) Extra x37 sleep: Slept for 400 millisec
Jul 07 09:48:36 babylon org_kde_powerdevil[29690]: [ 29690] is_sysfs_reliable_for_busno(10) returned false and session type != X11. Assuming not asleep
Jul 07 09:48:36 babylon org_kde_powerdevil[29690]: [ 29690] is_sysfs_reliable_for_busno(11) returned false and session type != X11. Assuming not asleep
Jul 07 09:48:36 babylon org_kde_powerdevil[29690]: [ 29690] is_sysfs_reliable_for_busno(12) returned false and session type != X11. Assuming not asleep
Jul 07 09:48:36 babylon org_kde_powerdevil[29690]: [ 29690] is_sysfs_reliable_for_busno(13) returned false and session type != X11. Assuming not asleep
Jul 07 09:48:36 babylon org_kde_powerdevil[29690]: [ 29690] is_sysfs_reliable_for_busno(15) returned false and session type != X11. Assuming not asleep
Jul 07 09:48:36 babylon org_kde_powerdevil[29690]: [ 29690] is_sysfs_reliable_for_busno(16) returned false and session type != X11. Assuming not asleep
Jul 07 09:48:36 babylon org_kde_powerdevil[29690]: Library initialization complete.
Jul 07 09:48:36 babylon org_kde_powerdevil[29690]: [ 29690] Watching for display connection changes, resolved watch mode = Watch_Mode_Xevent, poll loop interval = 100 millisec
Jul 07 09:48:36 babylon org_kde_powerdevil[29690]: [ 29690] extra_stabilization_millisec: 0, stabilization_poll_millisec: 100
Jul 07 09:48:36 babylon org_kde_powerdevil[29690]: [ 29690] libddcutil recheck thread (nil) started
Jul 07 09:48:36 babylon org_kde_powerdevil[29690]: [ 29690] libddcutil watch thread 0x561befdc5bd0 started
Jul 07 09:48:36 babylon org_kde_powerdevil[29690]: org.kde.powerdevil: [DDCutilDetector]: Check for monitors using ddca_get_display_refs()...
Jul 07 09:48:36 babylon org_kde_powerdevil[29690]: org.kde.powerdevil: [DDCutilDisplay]: Creating display info and handle from display reference...
Jul 07 09:48:36 babylon org_kde_powerdevil[29690]: org.kde.powerdevil: [DDCutilDetector]: Created ID: "i2c:5" for display: "VE248"
Jul 07 09:48:36 babylon org_kde_powerdevil[29690]: org.kde.powerdevil: [DDCutilDetector]: Display supports Brightness, adding handle to list
Jul 07 09:48:36 babylon org_kde_powerdevil[29690]: org.kde.powerdevil: [DDCutilDisplay]: Creating display info and handle from display reference...
Jul 07 09:48:36 babylon org_kde_powerdevil[29690]: org.kde.powerdevil: [DDCutilDetector]: Created ID: "i2c:8" for display: "LG ULTRAGEAR"
Jul 07 09:48:36 babylon org_kde_powerdevil[29690]: org.kde.powerdevil: [DDCutilDetector]: Display supports Brightness, adding handle to list
Jul 07 09:48:36 babylon org_kde_powerdevil[29690]: kf.auth: Parent widget does not exist, skipping
Jul 07 09:48:36 babylon systemd[1]: Started dbus-:1.4-org.kde.powerdevil.discretegpuhelper@245.service.
Jul 07 09:48:36 babylon org_kde_powerdevil[29690]: kf.auth: Parent widget does not exist, skipping
Jul 07 09:48:36 babylon systemd[1]: Started dbus-:1.4-org.kde.powerdevil.chargethresholdhelper@245.service.
Jul 07 09:48:36 babylon org_kde_powerdevil[29690]: kf.auth: Parent widget does not exist, skipping
Jul 07 09:48:36 babylon org_kde_powerdevil[29690]: org.kde.powerdevil: No suitable displays detected. Brightness controls are unsupported in this configuration.
Jul 07 09:48:36 babylon org_kde_powerdevil[29690]: kscreen.kwayland: adding output 63
Jul 07 09:48:36 babylon org_kde_powerdevil[29690]: kscreen.kwayland: adding output 64
Jul 07 09:48:36 babylon org_kde_powerdevil[29690]: kscreen.kwayland: Loading Wayland backend.
Jul 07 09:48:36 babylon org_kde_powerdevil[29690]: kf.auth: Parent widget does not exist, skipping
Jul 07 09:48:36 babylon systemd[1]: Started dbus-:1.4-org.kde.powerdevil.backlighthelper@245.service.
Jul 07 09:48:36 babylon backlighthelper[29731]: org.kde.powerdevil: no kernel backlight interface found
Jul 07 09:48:36 babylon org_kde_powerdevil[29690]: org.kde.powerdevil: org.kde.powerdevil.chargethresholdhelper.getthreshold failed "Charge thresholds are not supported by the kernel for this hardware"
Jul 07 09:48:36 babylon org_kde_powerdevil[29690]: org.kde.powerdevil: org.kde.powerdevil.backlighthelper.brightness failed
Jul 07 09:48:36 babylon org_kde_powerdevil[29690]: org.kde.powerdevil: ""
Jul 07 09:48:36 babylon org_kde_powerdevil[29690]: org.kde.powerdevil: Using kwin brightness control for brightness controls.
Jul 07 09:48:36 babylon org_kde_powerdevil[29690]: kf.coreaddons: Checking for plugins in QList("/usr/lib/powerdevil/action", "/usr/lib/qt6/plugins/powerdevil/action")
Jul 07 09:48:36 babylon org_kde_powerdevil[29690]: org.kde.kscreen.dpms: Compositor provides a DpmsManager
Jul 07 09:48:36 babylon org_kde_powerdevil[29690]: org.kde.powerdevil: Kbd backlight brightness value: 0
Jul 07 09:48:36 babylon org_kde_powerdevil[29690]: org.kde.powerdevil: Screen brightness of first display after detection/reconfiguration: 0
Jul 07 09:48:36 babylon org_kde_powerdevil[29690]: org.kde.powerdevil: Controllers ready, KDE Power Management system initialized
Jul 07 09:48:36 babylon org_kde_powerdevil[29690]: [ 29715] (dw_recheck_displays_func) Recheck interval: Slept for 200 millisec
Jul 07 09:48:42 babylon discord[8596]: 09:48:42.678 › [OverlayUsageStatsManager] ScreenTypeAnalytics: Unknown screen type for x4: -708854880 [object Object]
Jul 07 09:48:46 babylon systemd[1]: dbus-:1.4-org.kde.powerdevil.discretegpuhelper@245.service: Deactivated successfully.
Jul 07 09:48:46 babylon systemd[1]: dbus-:1.4-org.kde.powerdevil.chargethresholdhelper@245.service: Deactivated successfully.
Jul 07 09:48:46 babylon systemd[1]: dbus-:1.4-org.kde.powerdevil.backlighthelper@245.service: Deactivated successfully.
Jul 07 09:49:05 babylon systemd[1481]: plasma-powerdevil.service: start operation timed out. Terminating.
Jul 07 09:49:05 babylon systemd[1481]: plasma-powerdevil.service: Failed with result 'timeout'.
Jul 07 09:49:05 babylon systemd[1481]: Failed to start Powerdevil.Offline