Bug 484829

Summary: Crash when clicking on gamma values in the plasma desktop system settings
Product: [Applications] systemsettings Reporter: fuhejidianfanguo
Component: kcm_kgammaAssignee: Plasma Bugs List <plasma-bugs-null>
Status: RESOLVED FIXED    
Severity: crash CC: nate
Priority: NOR Keywords: drkonqi, X11-only
Version First Reported In: 6.0.3   
Target Milestone: ---   
Platform: Arch Linux   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description fuhejidianfanguo 2024-03-31 17:07:13 UTC 
Application: systemsettings (6.0.3)

Qt Version: 6.6.2
Frameworks Version: 6.0.0
Operating System: Linux 6.8.2-arch2-1 x86_64
Windowing System: X11
Distribution: "Arch Linux"
DrKonqi: 6.0.3 [CoredumpBackend]

-- Information about the crash:
In the system settings, click "Display and Monitor", then click "Gamma Value". After closing the system settings window, a crash message will definitely pop up.

The crash can be reproduced every time.

-- Backtrace:
Application: 系统设置 (systemsettings), signal: Segmentation fault


This GDB supports auto-downloading debuginfo from the following URLs:
  <https://debuginfod.archlinux.org>
Enable debuginfod for this session? (y or [n]) [answered N; input not from terminal]
Debuginfod has been disabled.
To make this setting permanent, add 'set debuginfod enabled off' to .gdbinit.
[New LWP 16664]
[New LWP 16666]
[New LWP 16668]
[New LWP 16667]
[New LWP 16671]
[New LWP 16670]
[New LWP 16673]
[New LWP 16669]
[New LWP 16672]
[New LWP 16684]
[New LWP 16691]
[New LWP 18151]
[New LWP 18155]
[New LWP 18152]
[New LWP 18153]
[New LWP 16698]
[New LWP 18186]
[New LWP 16697]
[New LWP 16692]
[New LWP 16693]
[New LWP 16699]
[New LWP 18154]
[New LWP 18185]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
Core was generated by `/usr/bin/systemsettings'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00007ba75577a32c in ?? () from /usr/lib/libc.so.6
[Current thread is 1 (Thread 0x7ba74ed189c0 (LWP 16664))]
Cannot QML trace cores :(
[Current thread is 1 (Thread 0x7ba74ed189c0 (LWP 16664))]

Thread 23 (Thread 0x7ba722a006c0 (LWP 18185)):
#0  0x00007ba755774ebe in ??? () at /usr/lib/libc.so.6
#1  0x00007ba755777a65 in pthread_cond_timedwait () at /usr/lib/libc.so.6
#2  0x00007ba7534a3ba4 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt6Core.so.6
#3  0x00007ba7534a64aa in ??? () at /usr/lib/libQt6Core.so.6
#4  0x00007ba7534a0bd3 in ??? () at /usr/lib/libQt6Core.so.6
#5  0x00007ba75577855a in ??? () at /usr/lib/libc.so.6
#6  0x00007ba7557f5a3c in ??? () at /usr/lib/libc.so.6

Thread 22 (Thread 0x7ba72fe006c0 (LWP 18154)):
#0  0x00007ba755774ebe in ??? () at /usr/lib/libc.so.6
#1  0x00007ba755777a65 in pthread_cond_timedwait () at /usr/lib/libc.so.6
#2  0x00007ba7534a3ba4 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt6Core.so.6
#3  0x00007ba7534a64aa in ??? () at /usr/lib/libQt6Core.so.6
#4  0x00007ba7534a0bd3 in ??? () at /usr/lib/libQt6Core.so.6
#5  0x00007ba75577855a in ??? () at /usr/lib/libc.so.6
#6  0x00007ba7557f5a3c in ??? () at /usr/lib/libc.so.6

Thread 21 (Thread 0x7ba7160006c0 (LWP 16699)):
#0  0x00007ba755774ebe in ??? () at /usr/lib/libc.so.6
#1  0x00007ba755777750 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007ba745c8683c in ??? () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007ba745c9e7ec in ??? () at /usr/lib/dri/radeonsi_dri.so
#4  0x00007ba75577855a in ??? () at /usr/lib/libc.so.6
#5  0x00007ba7557f5a3c in ??? () at /usr/lib/libc.so.6

Thread 20 (Thread 0x7ba717e006c0 (LWP 16693)):
#0  0x00007ba7557e80bf in poll () at /usr/lib/libc.so.6
#1  0x00007ba752934306 in ??? () at /usr/lib/libglib-2.0.so.0
#2  0x00007ba7528d5dc7 in g_main_loop_run () at /usr/lib/libglib-2.0.so.0
#3  0x00007ba74f0f383c in ??? () at /usr/lib/libgio-2.0.so.0
#4  0x00007ba752903065 in ??? () at /usr/lib/libglib-2.0.so.0
#5  0x00007ba75577855a in ??? () at /usr/lib/libc.so.6
#6  0x00007ba7557f5a3c in ??? () at /usr/lib/libc.so.6

Thread 19 (Thread 0x7ba7210006c0 (LWP 16692)):
#0  0x00007ba7557e80bf in poll () at /usr/lib/libc.so.6
#1  0x00007ba752934306 in ??? () at /usr/lib/libglib-2.0.so.0
#2  0x00007ba7528d4712 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007ba7528d4762 in ??? () at /usr/lib/libglib-2.0.so.0
#4  0x00007ba752903065 in ??? () at /usr/lib/libglib-2.0.so.0
#5  0x00007ba75577855a in ??? () at /usr/lib/libc.so.6
#6  0x00007ba7557f5a3c in ??? () at /usr/lib/libc.so.6

Thread 18 (Thread 0x7ba7174006c0 (LWP 16697)):
#0  0x00007ba755774ebe in ??? () at /usr/lib/libc.so.6
#1  0x00007ba755777750 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007ba745c8683c in ??? () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007ba745c9e7ec in ??? () at /usr/lib/dri/radeonsi_dri.so
#4  0x00007ba75577855a in ??? () at /usr/lib/libc.so.6
#5  0x00007ba7557f5a3c in ??? () at /usr/lib/libc.so.6

Thread 17 (Thread 0x7ba70ba006c0 (LWP 18186)):
#0  0x00007ba755774ebe in ??? () at /usr/lib/libc.so.6
#1  0x00007ba755777a65 in pthread_cond_timedwait () at /usr/lib/libc.so.6
#2  0x00007ba7534a3ba4 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt6Core.so.6
#3  0x00007ba7534a64aa in ??? () at /usr/lib/libQt6Core.so.6
#4  0x00007ba7534a0bd3 in ??? () at /usr/lib/libQt6Core.so.6
#5  0x00007ba75577855a in ??? () at /usr/lib/libc.so.6
#6  0x00007ba7557f5a3c in ??? () at /usr/lib/libc.so.6

Thread 16 (Thread 0x7ba716a006c0 (LWP 16698)):
#0  0x00007ba755774ebe in ??? () at /usr/lib/libc.so.6
#1  0x00007ba755777750 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007ba745c8683c in ??? () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007ba745c9e7ec in ??? () at /usr/lib/dri/radeonsi_dri.so
#4  0x00007ba75577855a in ??? () at /usr/lib/libc.so.6
#5  0x00007ba7557f5a3c in ??? () at /usr/lib/libc.so.6

Thread 15 (Thread 0x7ba7156006c0 (LWP 18153)):
#0  0x00007ba755774ebe in ??? () at /usr/lib/libc.so.6
#1  0x00007ba755777a65 in pthread_cond_timedwait () at /usr/lib/libc.so.6
#2  0x00007ba7534a3ba4 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt6Core.so.6
#3  0x00007ba7534a64aa in ??? () at /usr/lib/libQt6Core.so.6
#4  0x00007ba7534a0bd3 in ??? () at /usr/lib/libQt6Core.so.6
#5  0x00007ba75577855a in ??? () at /usr/lib/libc.so.6
#6  0x00007ba7557f5a3c in ??? () at /usr/lib/libc.so.6

Thread 14 (Thread 0x7ba734a006c0 (LWP 18152)):
#0  0x00007ba755774ebe in ??? () at /usr/lib/libc.so.6
#1  0x00007ba755777a65 in pthread_cond_timedwait () at /usr/lib/libc.so.6
#2  0x00007ba7534a3ba4 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt6Core.so.6
#3  0x00007ba7534a64aa in ??? () at /usr/lib/libQt6Core.so.6
#4  0x00007ba7534a0bd3 in ??? () at /usr/lib/libQt6Core.so.6
#5  0x00007ba75577855a in ??? () at /usr/lib/libc.so.6
#6  0x00007ba7557f5a3c in ??? () at /usr/lib/libc.so.6

Thread 13 (Thread 0x7ba714c006c0 (LWP 18155)):
#0  0x00007ba755774ebe in ??? () at /usr/lib/libc.so.6
#1  0x00007ba755777a65 in pthread_cond_timedwait () at /usr/lib/libc.so.6
#2  0x00007ba7534a3ba4 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt6Core.so.6
#3  0x00007ba7534a64aa in ??? () at /usr/lib/libQt6Core.so.6
#4  0x00007ba7534a0bd3 in ??? () at /usr/lib/libQt6Core.so.6
#5  0x00007ba75577855a in ??? () at /usr/lib/libc.so.6
#6  0x00007ba7557f5a3c in ??? () at /usr/lib/libc.so.6

Thread 12 (Thread 0x7ba723e006c0 (LWP 18151)):
#0  0x00007ba755774ebe in ??? () at /usr/lib/libc.so.6
#1  0x00007ba755777a65 in pthread_cond_timedwait () at /usr/lib/libc.so.6
#2  0x00007ba7534a3ba4 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt6Core.so.6
#3  0x00007ba7534a64aa in ??? () at /usr/lib/libQt6Core.so.6
#4  0x00007ba7534a0bd3 in ??? () at /usr/lib/libQt6Core.so.6
#5  0x00007ba75577855a in ??? () at /usr/lib/libc.so.6
#6  0x00007ba7557f5a3c in ??? () at /usr/lib/libc.so.6

Thread 11 (Thread 0x7ba721a006c0 (LWP 16691)):
#0  0x00007ba7557f388d in syscall () at /usr/lib/libc.so.6
#1  0x00007ba75292f487 in g_cond_wait () at /usr/lib/libglib-2.0.so.0
#2  0x00007ba75289f454 in ??? () at /usr/lib/libglib-2.0.so.0
#3  0x00007ba75290429e in ??? () at /usr/lib/libglib-2.0.so.0
#4  0x00007ba752903065 in ??? () at /usr/lib/libglib-2.0.so.0
#5  0x00007ba75577855a in ??? () at /usr/lib/libc.so.6
#6  0x00007ba7557f5a3c in ??? () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7ba72e6006c0 (LWP 16684)):
#0  0x00007ba7557e80bf in poll () at /usr/lib/libc.so.6
#1  0x00007ba752934306 in ??? () at /usr/lib/libglib-2.0.so.0
#2  0x00007ba7528d4712 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007ba7535739c4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt6Core.so.6
#4  0x00007ba753343d6e in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt6Core.so.6
#5  0x00007ba75342116f in QThread::run() () at /usr/lib/libQt6Core.so.6
#6  0x00007ba7534a0bd3 in ??? () at /usr/lib/libQt6Core.so.6
#7  0x00007ba75577855a in ??? () at /usr/lib/libc.so.6
#8  0x00007ba7557f5a3c in ??? () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7ba7372006c0 (LWP 16672)):
#0  0x00007ba755774ebe in ??? () at /usr/lib/libc.so.6
#1  0x00007ba755777750 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007ba745c8683c in ??? () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007ba745c9e7ec in ??? () at /usr/lib/dri/radeonsi_dri.so
#4  0x00007ba75577855a in ??? () at /usr/lib/libc.so.6
#5  0x00007ba7557f5a3c in ??? () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7ba745a006c0 (LWP 16669)):
#0  0x00007ba755774ebe in ??? () at /usr/lib/libc.so.6
#1  0x00007ba755777750 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007ba745c8683c in ??? () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007ba745c9e7ec in ??? () at /usr/lib/dri/radeonsi_dri.so
#4  0x00007ba75577855a in ??? () at /usr/lib/libc.so.6
#5  0x00007ba7557f5a3c in ??? () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7ba7368006c0 (LWP 16673)):
#0  0x00007ba755774ebe in ??? () at /usr/lib/libc.so.6
#1  0x00007ba755777750 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007ba745c8683c in ??? () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007ba745c9e7ec in ??? () at /usr/lib/dri/radeonsi_dri.so
#4  0x00007ba75577855a in ??? () at /usr/lib/libc.so.6
#5  0x00007ba7557f5a3c in ??? () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7ba7450006c0 (LWP 16670)):
#0  0x00007ba755774ebe in ??? () at /usr/lib/libc.so.6
#1  0x00007ba755777750 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007ba745c8683c in ??? () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007ba745c9e7ec in ??? () at /usr/lib/dri/radeonsi_dri.so
#4  0x00007ba75577855a in ??? () at /usr/lib/libc.so.6
#5  0x00007ba7557f5a3c in ??? () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7ba737c006c0 (LWP 16671)):
#0  0x00007ba755774ebe in ??? () at /usr/lib/libc.so.6
#1  0x00007ba755777750 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007ba745c8683c in ??? () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007ba745c9e7ec in ??? () at /usr/lib/dri/radeonsi_dri.so
#4  0x00007ba75577855a in ??? () at /usr/lib/libc.so.6
#5  0x00007ba7557f5a3c in ??? () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7ba74da006c0 (LWP 16667)):
#0  0x00007ba7557e80bf in poll () at /usr/lib/libc.so.6
#1  0x00007ba75312f20b in ??? () at /usr/lib/libxcb.so.1
#2  0x00007ba753130f3d in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007ba74ecc4f4e in ??? () at /usr/lib/qt6/plugins/platforms/../../../libQt6XcbQpa.so.6
#4  0x00007ba7534a0bd3 in ??? () at /usr/lib/libQt6Core.so.6
#5  0x00007ba75577855a in ??? () at /usr/lib/libc.so.6
#6  0x00007ba7557f5a3c in ??? () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7ba74ca006c0 (LWP 16668)):
#0  0x00007ba755774ebe in ??? () at /usr/lib/libc.so.6
#1  0x00007ba755777750 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007ba745c8683c in ??? () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007ba745c9e7ec in ??? () at /usr/lib/dri/radeonsi_dri.so
#4  0x00007ba75577855a in ??? () at /usr/lib/libc.so.6
#5  0x00007ba7557f5a3c in ??? () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7ba74e4006c0 (LWP 16666)):
#0  0x00007ba7557e80bf in poll () at /usr/lib/libc.so.6
#1  0x00007ba752934306 in ??? () at /usr/lib/libglib-2.0.so.0
#2  0x00007ba7528d4712 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007ba7535739c4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt6Core.so.6
#4  0x00007ba753343d6e in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt6Core.so.6
#5  0x00007ba75342106f in QThread::exec() () at /usr/lib/libQt6Core.so.6
#6  0x00007ba7531769df in ??? () at /usr/lib/libQt6DBus.so.6
#7  0x00007ba7534a0bd3 in ??? () at /usr/lib/libQt6Core.so.6
#8  0x00007ba75577855a in ??? () at /usr/lib/libc.so.6
#9  0x00007ba7557f5a3c in ??? () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7ba74ed189c0 (LWP 16664)):
[KCrash Handler]
#4  0x0000000000000000 in ??? ()
#5  0x00007ba735b788af in ??? () at /usr/lib/qt6/plugins/plasma/kcms/systemsettings_qwidgets/kcm_kgamma.so
#6  0x00007ba735b791d0 in ??? () at /usr/lib/qt6/plugins/plasma/kcms/systemsettings_qwidgets/kcm_kgamma.so
#7  0x00007ba735b791ed in ??? () at /usr/lib/qt6/plugins/plasma/kcms/systemsettings_qwidgets/kcm_kgamma.so
#8  0x00007ba75337c6fb in QObjectPrivate::deleteChildren() () at /usr/lib/libQt6Core.so.6
#9  0x00007ba75512cd41 in QWidget::~QWidget() () at /usr/lib/libQt6Widgets.so.6
#10 0x00007ba7552cea79 in QScrollArea::~QScrollArea() () at /usr/lib/libQt6Widgets.so.6
#11 0x00007ba75337c6fb in QObjectPrivate::deleteChildren() () at /usr/lib/libQt6Core.so.6
#12 0x00007ba75512cd41 in QWidget::~QWidget() () at /usr/lib/libQt6Widgets.so.6
#13 0x00007ba755aec6b2 in ??? () at /usr/lib/libKF6WidgetsAddons.so.6
#14 0x00007ba75337c6fb in QObjectPrivate::deleteChildren() () at /usr/lib/libQt6Core.so.6
#15 0x00007ba75512cd41 in QWidget::~QWidget() () at /usr/lib/libQt6Widgets.so.6
#16 0x00007ba755aee5de in KPageWidget::~KPageWidget() () at /usr/lib/libKF6WidgetsAddons.so.6
#17 0x00007ba75337c6fb in QObjectPrivate::deleteChildren() () at /usr/lib/libQt6Core.so.6
#18 0x00007ba75512cd41 in QWidget::~QWidget() () at /usr/lib/libQt6Widgets.so.6
#19 0x00007ba75620196e in ModuleView::~ModuleView() () at /usr/lib/libsystemsettingsview.so.3
#20 0x00007ba75337c6fb in QObjectPrivate::deleteChildren() () at /usr/lib/libQt6Core.so.6
#21 0x00007ba75512cd41 in QWidget::~QWidget() () at /usr/lib/libQt6Widgets.so.6
#22 0x00005b8336d64042 in ??? ()
#23 0x00007ba75337c6fb in QObjectPrivate::deleteChildren() () at /usr/lib/libQt6Core.so.6
#24 0x00007ba75512cd41 in QWidget::~QWidget() () at /usr/lib/libQt6Widgets.so.6
#25 0x00007ba7552e4111 in QStackedWidget::~QStackedWidget() () at /usr/lib/libQt6Widgets.so.6
#26 0x00007ba75337c6fb in QObjectPrivate::deleteChildren() () at /usr/lib/libQt6Core.so.6
#27 0x00007ba75512cd41 in QWidget::~QWidget() () at /usr/lib/libQt6Widgets.so.6
#28 0x00005b8336d5cab6 in ??? ()
#29 0x00005b8336d5cb7d in ??? ()
#30 0x00007ba75337c0d8 in QObject::event(QEvent*) () at /usr/lib/libQt6Core.so.6
#31 0x00007ba75615428e in KXmlGuiWindow::event(QEvent*) () at /usr/lib/libKF6XmlGui.so.6
#32 0x00007ba7550f438b in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt6Widgets.so.6
#33 0x00007ba753339818 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt6Core.so.6
#34 0x00007ba753339b9b in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQt6Core.so.6
#35 0x00007ba7535758a4 in ??? () at /usr/lib/libQt6Core.so.6
#36 0x00007ba7528d5199 in ??? () at /usr/lib/libglib-2.0.so.0
#37 0x00007ba7529343bf in ??? () at /usr/lib/libglib-2.0.so.0
#38 0x00007ba7528d4712 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#39 0x00007ba7535739c4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt6Core.so.6
#40 0x00007ba753343d6e in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt6Core.so.6
#41 0x00007ba75333c2b8 in QCoreApplication::exec() () at /usr/lib/libQt6Core.so.6
#42 0x00005b8336d5929c in ??? ()
#43 0x00007ba755712cd0 in ??? () at /usr/lib/libc.so.6
#44 0x00007ba755712d8a in __libc_start_main () at /usr/lib/libc.so.6
#45 0x00005b8336d5a435 in ??? ()

Reported using DrKonqi
Comment 1 Nate Graham 2025-10-10 17:37:39 UTC 
Thank you for the bug report, and I'm sorry we weren't able to look into it yet. A lot has changed since it was reported; can I ask you to see if this is still an issue with Plasma 6.4 or later? Thanks a lot!
Comment 2 fuhejidianfanguo 2025-10-11 13:21:07 UTC 
(In reply to Nate Graham from comment #1)
> Thank you for the bug report, and I'm sorry we weren't able to look into it
> yet. A lot has changed since it was reported; can I ask you to see if this
> is still an issue with Plasma 6.4 or later? Thanks a lot!

on plasma 6.4.5 version,the problem is solved.
the bug can no longer be reproduced in this way