SUMMARY *** On my Lenovo ideapad 530S, it occurs systematically with the following steps *** STEPS TO REPRODUCE 1. modprobe -rv i2c_amd_mp2_plat;modprobe -v i2c_amd_mp2_plat 2. xrandr --output eDP --scale-from 1440x900 --brightness 0.55 OBSERVED RESULT xrandr's result is correct but a crash is generated by Dr. Konqi: Application: kded5 (kded5), signal: Segmentation fault [KCrash Handler] #4 0x00007ff294f1e8da in XPending () at /lib/x86_64-linux-gnu/libX11.so.6 #5 0x00007ff257d643a5 in () at /usr/lib/x86_64-linux-gnu/qt5/plugins/kded_touchpad.so #6 0x00007ff2958eb5e0 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007ff2958eea54 in QSocketNotifier::activated(int, QSocketNotifier::QPrivateSignal) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007ff2958ef1f5 in QSocketNotifier::event(QEvent*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #9 0x00007ff2965ad15f in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5 #10 0x00007ff2958b4fca in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #11 0x00007ff29590d0d5 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #12 0x00007ff29453be6b in g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #13 0x00007ff29453c118 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #14 0x00007ff29453c1cf in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #15 0x00007ff29590c51f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #16 0x00007ff2958b398b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #17 0x00007ff2958bbc00 in QCoreApplication::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #18 0x000055c500e631c8 in main(int, char**) (argc=<optimized out>, argv=0x7ffcea88aa28) at ./src/kded.cpp:795 [Inferior 1 (process 5704) detached] SOFTWARE/OS VERSIONS KDE Plasma Version: 5.20.5 KDE Frameworks Version: 5.78.0 Qt Version: 5.15.2 Kernel Version: 5.15.34 OS Type: 64-bit Processors: 8 × AMD Ryzen 7 2700U with Radeon Vega Mobile Gfx Memory: 7.4 GiB of RAM Graphics Processor: AMD Radeon™ Vega 3 Graphics ADDITIONAL INFORMATION No backtrace info
This backtrace is incomplete, please install the debuginfo packages, and provide another backtrace.
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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!