SUMMARY dmesg is flooded with messages like this: Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile, "/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_cur_freq"): device not open Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile, "/sys/devices/system/cpu/cpu1/cpufreq/cpuinfo_cur_freq"): device not open Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile, "/sys/devices/system/cpu/cpu2/cpufreq/cpuinfo_cur_freq"): device not open Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile, "/sys/devices/system/cpu/cpu3/cpufreq/cpuinfo_cur_freq"): device not open Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile, "/sys/devices/system/cpu/cpu4/cpufreq/cpuinfo_cur_freq"): device not open Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile, "/sys/devices/system/cpu/cpu5/cpufreq/cpuinfo_cur_freq"): device not open Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile, "/sys/devices/system/cpu/cpu6/cpufreq/cpuinfo_cur_freq"): device not open Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile, "/sys/devices/system/cpu/cpu7/cpufreq/cpuinfo_cur_freq"): device not open Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile, "/sys/devices/system/cpu/cpu8/cpufreq/cpuinfo_cur_freq"): device not open Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile, "/sys/devices/system/cpu/cpu9/cpufreq/cpuinfo_cur_freq"): device not open Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile, "/sys/devices/system/cpu/cpu10/cpufreq/cpuinfo_cur_freq"): device not open Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile, "/sys/devices/system/cpu/cpu11/cpufreq/cpuinfo_cur_freq"): device not open Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile, "/sys/devices/system/cpu/cpu12/cpufreq/cpuinfo_cur_freq"): device not open Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile, "/sys/devices/system/cpu/cpu13/cpufreq/cpuinfo_cur_freq"): device not open Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile, "/sys/devices/system/cpu/cpu14/cpufreq/cpuinfo_cur_freq"): device not open Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile, "/sys/devices/system/cpu/cpu15/cpufreq/cpuinfo_cur_freq"): device not open Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile, "/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_cur_freq"): device not open Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile, "/sys/devices/system/cpu/cpu1/cpufreq/cpuinfo_cur_freq"): device not open Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile, "/sys/devices/system/cpu/cpu2/cpufreq/cpuinfo_cur_freq"): device not open Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile, "/sys/devices/system/cpu/cpu3/cpufreq/cpuinfo_cur_freq"): device not open Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile, "/sys/devices/system/cpu/cpu4/cpufreq/cpuinfo_cur_freq"): device not open Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile, "/sys/devices/system/cpu/cpu5/cpufreq/cpuinfo_cur_freq"): device not open Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile, "/sys/devices/system/cpu/cpu6/cpufreq/cpuinfo_cur_freq"): device not open Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile, "/sys/devices/system/cpu/cpu7/cpufreq/cpuinfo_cur_freq"): device not open Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile, "/sys/devices/system/cpu/cpu8/cpufreq/cpuinfo_cur_freq"): device not open Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile, "/sys/devices/system/cpu/cpu9/cpufreq/cpuinfo_cur_freq"): device not open Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile, "/sys/devices/system/cpu/cpu10/cpufreq/cpuinfo_cur_freq"): device not open Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile, "/sys/devices/system/cpu/cpu11/cpufreq/cpuinfo_cur_freq"): device not open Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile, "/sys/devices/system/cpu/cpu12/cpufreq/cpuinfo_cur_freq"): device not open Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile, "/sys/devices/system/cpu/cpu13/cpufreq/cpuinfo_cur_freq"): device not open Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile, "/sys/devices/system/cpu/cpu14/cpufreq/cpuinfo_cur_freq"): device not open Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile, "/sys/devices/system/cpu/cpu15/cpufreq/cpuinfo_cur_freq"): device not open STEPS TO REPRODUCE the log flooding goes on regardeless ksysguard is opened or not OBSERVED RESULT EXPECTED RESULT SOFTWARE/OS VERSIONS Windows: macOS: Linux/KDE Plasma: kubuntu 21.04 (available in About System) KDE Plasma Version: 5.20.90 KDE Frameworks Version: Qt Version: ADDITIONAL INFORMATION
Fixed with https://invent.kde.org/plasma/ksysguard/-/commit/5f3ea78b34c95e90b68a008e88ce53a01b813669