Bug 405261

Summary: "Sytem settings" hangs when trying change the loading screen and saving it
Product: [Applications] systemsettings Reporter: Егор <svetolsavyaroslav>
Component: kcm_splashscreenAssignee: Plasma Bugs List <plasma-bugs>
Status: RESOLVED WORKSFORME    
Severity: crash CC: ioservermodule, nate, xlkill4r
Priority: NOR Keywords: drkonqi
Version: 5.15.2   
Target Milestone: ---   
Platform: Neon   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:
Attachments: New crash information added by DrKonqi

Description Егор 2019-03-09 12:33:13 UTC
Application: systemsettings5 (5.15.2)

Qt Version: 5.12.0
Frameworks Version: 5.55.0
Operating System: Linux 4.15.0-46-generic x86_64
Distribution: KDE neon User Edition 5.15

-- Information about the crash:
"Sytem settings" hangs when trying change the loading screen and saving it. (System language is Russian) 
- What I was doing when the application crashed:
Tried to close a window, then my Neon killed it itself, then I restarted ''System settings" . The windows worked, but when I tried to repeat changing the loading screen, the bug repeated too.

The crash can be reproduced every time.

-- Backtrace:
Application: Параметры системы (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7efde4944dc0 (LWP 1499))]

Thread 7 (Thread 0x7efda1687700 (LWP 1583)):
#0  0x00007efddfe680b4 in __GI___libc_read (fd=35, buf=0x7efda1686c50, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007efdd74b9f55 in  () at /usr/lib/x86_64-linux-gnu/tls/libnvidia-tls.so.340.107
#2  0x00007efdd8fd8cd0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007efdd8f94027 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007efdd8f944e0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007efdd8f948d2 in g_main_loop_run () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007efd7ed07026 in  () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#7  0x00007efdd8fbc105 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007efddb43f6db in start_thread (arg=0x7efda1687700) at pthread_create.c:463
#9  0x00007efddfe7988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7efda304f700 (LWP 1582)):
#0  0x00007efddfe680b4 in __GI___libc_read (fd=33, buf=0x7efda304ec60, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007efdd74b9f55 in  () at /usr/lib/x86_64-linux-gnu/tls/libnvidia-tls.so.340.107
#2  0x00007efdd8fd8cd0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007efdd8f94027 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007efdd8f944e0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007efdd8f9464c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007efdd8f94691 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007efdd8fbc105 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007efddb43f6db in start_thread (arg=0x7efda304f700) at pthread_create.c:463
#9  0x00007efddfe7988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7efd9bfff700 (LWP 1562)):
#0  0x00007efdbb7e96d2 in  () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#1  0x00007efdbb7e9ab9 in  () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#2  0x00007efdbb7ea33f in  () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#3  0x00007efdbbc54108 in pa_mainloop_dispatch () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007efdbbc544de in pa_mainloop_iterate () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007efdbbc54560 in pa_mainloop_run () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007efdbbc623c9 in  () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#7  0x00007efdbb7fa318 in  () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#8  0x00007efddb43f6db in start_thread (arg=0x7efd9bfff700) at pthread_create.c:463
#9  0x00007efddfe7988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7efda88ff700 (LWP 1507)):
#0  0x00007efdd8fda064 in g_mutex_unlock () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007efdd8f93a30 in g_main_context_prepare () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007efdd8f9446b in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007efdd8f9464c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007efde07bd15b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007efde075e64a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007efde058641a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007efdde5242e5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007efde0587bc2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007efddb43f6db in start_thread (arg=0x7efda88ff700) at pthread_create.c:463
#10 0x00007efddfe7988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7efdc7be7700 (LWP 1501)):
#0  0x00007efdd8fda064 in g_mutex_unlock () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007efdd8f9445e in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007efdd8f9464c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007efde07bd15b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007efde075e64a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007efde058641a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007efde0c2e015 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007efde0587bc2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007efddb43f6db in start_thread (arg=0x7efdc7be7700) at pthread_create.c:463
#9  0x00007efddfe7988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7efdcfcbf700 (LWP 1500)):
#0  0x00007efddfe6cbf9 in __GI___poll (fds=0x7efdcfcbec38, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007efddb003747 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007efddb00536a in xcb_wait_for_event () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007efdd0c2a32a in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007efde0587bc2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007efddb43f6db in start_thread (arg=0x7efdcfcbf700) at pthread_create.c:463
#6  0x00007efddfe7988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7efde4944dc0 (LWP 1499)):
[KCrash Handler]
#6  0x0000000000000018 in  ()
#7  0x00007efde0fb7b9d in QGuiApplicationPrivate::processActivatedEvent(QWindowSystemInterfacePrivate::ActivatedWindowEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#8  0x00007efde0fbc78d in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#9  0x00007efde0f9514b in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#10 0x00007efdd0c2b30a in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#11 0x00007efdd8f94387 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007efdd8f945c0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#13 0x00007efdd8f9464c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#14 0x00007efde07bd13f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007efde075e64a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007efde0767800 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x0000564c81b99e78 in main(int, char**) (argc=<optimized out>, argv=<optimized out>) at ./app/main.cpp:71

Reported using DrKonqi
Comment 1 Nasser El Horr 2019-06-12 18:56:40 UTC
Created attachment 120822 [details]
New crash information added by DrKonqi

systemsettings5 (5.16.0) using Qt 5.12.3

- What I was doing when the application crashed: i was changing Boot Splash. After First changing and restart nothing happen and then i change the splash screen again then it crashes.

-- Backtrace (Reduced):
#7  0x00007ff37637d82d in QGuiApplicationPrivate::processActivatedEvent (e=0x7ff360007600) at kernel/qguiapplication.cpp:2291
#8  0x00007ff37638245d in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x7ff360007600) at kernel/qguiapplication.cpp:1858
#9  0x00007ff37635ab4b in QWindowSystemInterface::sendWindowSystemEvents (flags=flags@entry=...) at kernel/qwindowsysteminterface.cpp:1151
#10 0x00007ff368c3859a in xcbSourceDispatch (source=<optimized out>) at qxcbeventdispatcher.cpp:105
[...]
#14 0x00007ff375b85daf in QEventDispatcherGlib::processEvents (this=0x55de41ba68a0, flags=...) at kernel/qeventdispatcher_glib.cpp:422
Comment 2 Nate Graham 2019-10-27 15:31:59 UTC
*** Bug 411881 has been marked as a duplicate of this bug. ***
Comment 3 Nate Graham 2020-10-12 22:08:24 UTC
No duplicate reports in a year, could be fixed now. Is this something you can reproduce with Plasma 5.19 or 5.20?
Comment 4 Bug Janitor Service 2020-10-27 04:33:35 UTC
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!
Comment 5 Bug Janitor Service 2020-11-11 04:34:05 UTC
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!