Bug 423787

Summary: Full wayland crash on login in kconfig
Product: [Frameworks and Libraries] libplasma Reporter: Raviu <raviu>
Component: libplasmaAssignee: Marco Martin <notmart>
Status: RESOLVED WORKSFORME    
Severity: crash CC: nate, plasma-bugs
Priority: NOR Keywords: drkonqi
Version: 5.71.0   
Target Milestone: ---   
Platform: openSUSE   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description Raviu 2020-07-02 12:13:15 UTC 
Application: plasmashell (5.19.2)

Qt Version: 5.15.0
Frameworks Version: 5.71.0
Operating System: Linux 5.7.5-1-vanilla x86_64
Windowing system: Wayland
Distribution: "openSUSE Tumbleweed"

-- Information about the crash:
- What I was doing when the application crashed:

Changed login on sddm to "Full wayland"

It crashed two times before it finally logged in

Running OpenSuse Tumbleweed

The crash can be reproduced sometimes.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault

[KCrash Handler]
#4  QExplicitlySharedDataPointer<KConfigGroupPrivate>::operator bool (this=0x18) at /usr/include/qt5/QtCore/qshareddata.h:176
#5  KConfigGroup::parent (this=0x7ffe94c23f50) at /usr/src/debug/kconfig-5.71.0-1.1.x86_64/src/core/kconfiggroup.cpp:545
#6  0x000055cb67f2d74d in ?? ()
#7  0x000055cb67f375d5 in ?? ()
#8  0x00007f20695dd020 in doActivate<false> (sender=0x55cb6b98fed0, signal_index=43, argv=0x7ffe94c240c0, argv@entry=0x0) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:395
#9  0x00007f20695d6340 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7f206b7a5fc0 <PlasmaQuick::ContainmentView::staticMetaObject>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x0) at kernel/qobject.cpp:3946
#10 0x00007f206b77fed3 in PlasmaQuick::ContainmentView::containmentChanged (this=<optimized out>) at /usr/src/debug/plasma-framework-5.71.0-3.1.x86_64/build/src/plasmaquick/KF5PlasmaQuick_autogen/include/moc_containmentview.cpp:267
#11 0x00007f206b781181 in PlasmaQuick::ContainmentViewPrivate::setContainment (this=0x55cb6b156f80, cont=0x55cb69e6d830) at /usr/src/debug/plasma-framework-5.71.0-3.1.x86_64/src/plasmaquick/containmentview.cpp:93
#12 0x000055cb67f3c690 in ?? ()
#13 0x00007f20695dcfe6 in QtPrivate::QSlotObjectBase::call (a=0x7ffe94c24470, r=0x55cb69b661b0, this=0x55cb69c2bf80) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#14 doActivate<false> (sender=0x55cb69b66268, signal_index=3, argv=argv@entry=0x7ffe94c24470) at kernel/qobject.cpp:3886
#15 0x00007f20695d6340 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7f2069888c40 <QTimer::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffe94c24470) at kernel/qobject.cpp:3946
#16 0x00007f20695e0efa in QTimer::timeout (this=<optimized out>, _t1=...) at .moc/moc_qtimer.cpp:205
#17 0x00007f20695d296f in QObject::event (this=0x55cb69b66268, e=0x7ffe94c245e0) at kernel/qobject.cpp:1291
#18 0x00007f206a1530cf in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x55cb69b66268, e=0x7ffe94c245e0) at kernel/qapplication.cpp:3671
#19 0x00007f20695a6b0a in QCoreApplication::notifyInternal2 (receiver=0x55cb69b66268, event=0x7ffe94c245e0) at ../../include/QtCore/5.15.0/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325
#20 0x00007f20695fd313 in QTimerInfoList::activateTimers (this=0x55cb69b52090) at kernel/qtimerinfo_unix.cpp:643
#21 0x00007f20695fdb94 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:183
#22 0x00007f2067a0e2c7 in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#23 0x00007f2067a0e648 in ?? () from /usr/lib64/libglib-2.0.so.0
#24 0x00007f2067a0e6ff in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#25 0x00007f20695fdf4f in QEventDispatcherGlib::processEvents (this=0x55cb69b41c30, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#26 0x00007f20695a54cb in QEventLoop::exec (this=this@entry=0x7ffe94c24820, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#27 0x00007f20695ad730 in QCoreApplication::exec () at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#28 0x000055cb67f1bc87 in ?? ()
#29 0x00007f2068f76cca in __libc_start_main () from /lib64/libc.so.6
#30 0x000055cb67f1c79a in _start ()
[Inferior 1 (process 4837) detached]

The reporter indicates this bug may be a duplicate of or related to bug 423179.

Possible duplicates by query: bug 423750, bug 423738, bug 423729, bug 423584, bug 423559.

Reported using DrKonqi
Comment 1 Nate Graham 2021-03-02 04:45:25 UTC 
looks like we're doing kconfig wrong somewhere in PlasmaQuick::ContainmentView
Comment 2 Justin Zobel 2022-12-01 05:22:13 UTC 
Thank you for reporting this issue in KDE software. As it was reported on an older version, can we please ask you to see if you can reproduce the issue with a more recent software version?  
  
If you can confirm this issue still exists in a recent version, please change the version field and the status to "REPORTED" when replying. Thank you!
Comment 3 Bug Janitor Service 2022-12-16 05:14:56 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 4 Bug Janitor Service 2022-12-31 05:25:00 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!