Application: yakuake (20.08.3)

Qt Version: 5.15.1
Frameworks Version: 5.76.0
Operating System: Linux 5.4.0-54-generic x86_64
Windowing system: X11
Distribution: KDE neon User Edition 5.20

-- Information about the crash:
- What I was doing when the application crashed:
searching for colors scheme that have less unreadable colors in popular applications. I was using Get New… to download https://store.kde.org/p/1220066/ . After clicking Install yakuake crashed

- Custom settings of the application:
I've got already 3 themes installed

The crash does not seem to be reproducible.

-- Backtrace:
Application: Yakuake (yakuake), signal: Segmentation fault
Content of s_kcrashErrorMessage: (null)
[New LWP 1277]
[New LWP 1304]
[New LWP 1333]
[New LWP 1334]
[New LWP 1335]
[New LWP 1336]
[New LWP 15390]
[New LWP 15391]
[New LWP 15394]
[New LWP 15395]
[New LWP 15396]
[New LWP 16515]
[New LWP 24683]
[New LWP 24684]
[New LWP 24685]
[New LWP 24686]
[New LWP 24687]
[New LWP 24688]
[New LWP 24712]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f3d4015caff in __GI___poll (fds=fds@entry=0x7fffae99c428, nfds=nfds@entry=1, timeout=timeout@entry=1000) at ../sysdeps/unix/sysv/linux/poll.c:29
[Current thread is 1 (Thread 0x7f3d3c61df40 (LWP 1240))]

Thread 20 (Thread 0x7f3ce9e00700 (LWP 24712)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7f3ce9dffc90, clockid=<optimized out>, expected=0, futex_word=0x7f3cec0065a4) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f3ce9dffc90, clockid=<optimized out>, mutex=0x7f3cec006550, cond=0x7f3cec006578) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7f3cec006578, mutex=0x7f3cec006550, abstime=0x7f3ce9dffc90) at pthread_cond_wait.c:656
#3  0x00007f3d404edc78 in QWaitConditionPrivate::wait_relative (this=0x7f3cec006550, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait (deadline=..., this=0x7f3cec006550) at thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait (this=this@entry=0x7f3cec006230, mutex=mutex@entry=0x7f3cec005ec8, deadline=...) at thread/qwaitcondition_unix.cpp:225
#6  0x00007f3d404eb121 in QThreadPoolThread::run (this=0x7f3cec006220) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:270
#7  0x00007f3d404e7b1c in QThreadPrivate::start (arg=0x7f3cec006220) at thread/qthread_unix.cpp:329
#8  0x00007f3d3f651609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f3d40169293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7f3cfd498700 (LWP 24688)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7f3cfd497c90, clockid=<optimized out>, expected=0, futex_word=0x55dc54fe7c00) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f3cfd497c90, clockid=<optimized out>, mutex=0x55dc54fe7bb0, cond=0x55dc54fe7bd8) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x55dc54fe7bd8, mutex=0x55dc54fe7bb0, abstime=0x7f3cfd497c90) at pthread_cond_wait.c:656
#3  0x00007f3d404edc78 in QWaitConditionPrivate::wait_relative (this=0x55dc54fe7bb0, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait (deadline=..., this=0x55dc54fe7bb0) at thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait (this=this@entry=0x55dc54f80550, mutex=mutex@entry=0x55dc54fb1708, deadline=...) at thread/qwaitcondition_unix.cpp:225
#6  0x00007f3d404eb121 in QThreadPoolThread::run (this=0x55dc54f80540) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:270
#7  0x00007f3d404e7b1c in QThreadPrivate::start (arg=0x55dc54f80540) at thread/qthread_unix.cpp:329
#8  0x00007f3d3f651609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f3d40169293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f3cfec9b700 (LWP 24687)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7f3cfec9ac90, clockid=<optimized out>, expected=0, futex_word=0x55dc54f82370) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f3cfec9ac90, clockid=<optimized out>, mutex=0x55dc54f82320, cond=0x55dc54f82348) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x55dc54f82348, mutex=0x55dc54f82320, abstime=0x7f3cfec9ac90) at pthread_cond_wait.c:656
#3  0x00007f3d404edc78 in QWaitConditionPrivate::wait_relative (this=0x55dc54f82320, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait (deadline=..., this=0x55dc54f82320) at thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait (this=this@entry=0x55dc54fc9590, mutex=mutex@entry=0x55dc54fb1708, deadline=...) at thread/qwaitcondition_unix.cpp:225
#6  0x00007f3d404eb121 in QThreadPoolThread::run (this=0x55dc54fc9580) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:270
#7  0x00007f3d404e7b1c in QThreadPrivate::start (arg=0x55dc54fc9580) at thread/qthread_unix.cpp:329
#8  0x00007f3d3f651609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f3d40169293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f3d26168700 (LWP 24686)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7f3d26167c90, clockid=<optimized out>, expected=0, futex_word=0x55dc54fe20f0) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f3d26167c90, clockid=<optimized out>, mutex=0x55dc54fe20a0, cond=0x55dc54fe20c8) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x55dc54fe20c8, mutex=0x55dc54fe20a0, abstime=0x7f3d26167c90) at pthread_cond_wait.c:656
#3  0x00007f3d404edc78 in QWaitConditionPrivate::wait_relative (this=0x55dc54fe20a0, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait (deadline=..., this=0x55dc54fe20a0) at thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait (this=this@entry=0x55dc54fa7ca0, mutex=mutex@entry=0x55dc54fb1708, deadline=...) at thread/qwaitcondition_unix.cpp:225
#6  0x00007f3d404eb121 in QThreadPoolThread::run (this=0x55dc54fa7c90) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:270
#7  0x00007f3d404e7b1c in QThreadPrivate::start (arg=0x55dc54fa7c90) at thread/qthread_unix.cpp:329
#8  0x00007f3d3f651609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f3d40169293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f3d26974700 (LWP 24685)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7f3d26973c90, clockid=<optimized out>, expected=0, futex_word=0x55dc54f93844) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f3d26973c90, clockid=<optimized out>, mutex=0x55dc54f937f0, cond=0x55dc54f93818) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x55dc54f93818, mutex=0x55dc54f937f0, abstime=0x7f3d26973c90) at pthread_cond_wait.c:656
#3  0x00007f3d404edc78 in QWaitConditionPrivate::wait_relative (this=0x55dc54f937f0, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait (deadline=..., this=0x55dc54f937f0) at thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait (this=this@entry=0x55dc54fc98c0, mutex=mutex@entry=0x55dc54fb1708, deadline=...) at thread/qwaitcondition_unix.cpp:225
#6  0x00007f3d404eb121 in QThreadPoolThread::run (this=0x55dc54fc98b0) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:270
#7  0x00007f3d404e7b1c in QThreadPrivate::start (arg=0x55dc54fc98b0) at thread/qthread_unix.cpp:329
#8  0x00007f3d3f651609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f3d40169293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f3d2770e700 (LWP 24684)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7f3d2770dc90, clockid=<optimized out>, expected=0, futex_word=0x55dc54f84cd4) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f3d2770dc90, clockid=<optimized out>, mutex=0x55dc54f84c80, cond=0x55dc54f84ca8) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x55dc54f84ca8, mutex=0x55dc54f84c80, abstime=0x7f3d2770dc90) at pthread_cond_wait.c:656
#3  0x00007f3d404edc78 in QWaitConditionPrivate::wait_relative (this=0x55dc54f84c80, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait (deadline=..., this=0x55dc54f84c80) at thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait (this=this@entry=0x55dc54fea6f0, mutex=mutex@entry=0x55dc54fb1708, deadline=...) at thread/qwaitcondition_unix.cpp:225
#6  0x00007f3d404eb121 in QThreadPoolThread::run (this=0x55dc54fea6e0) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:270
#7  0x00007f3d404e7b1c in QThreadPrivate::start (arg=0x55dc54fea6e0) at thread/qthread_unix.cpp:329
#8  0x00007f3d3f651609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f3d40169293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f3d25166700 (LWP 24683)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7f3d25165c90, clockid=<optimized out>, expected=0, futex_word=0x55dc54f28cb4) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f3d25165c90, clockid=<optimized out>, mutex=0x55dc54f28c60, cond=0x55dc54f28c88) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x55dc54f28c88, mutex=0x55dc54f28c60, abstime=0x7f3d25165c90) at pthread_cond_wait.c:656
#3  0x00007f3d404edc78 in QWaitConditionPrivate::wait_relative (this=0x55dc54f28c60, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait (deadline=..., this=0x55dc54f28c60) at thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait (this=this@entry=0x55dc54f853e0, mutex=mutex@entry=0x55dc54fb1708, deadline=...) at thread/qwaitcondition_unix.cpp:225
#6  0x00007f3d404eb121 in QThreadPoolThread::run (this=0x55dc54f853d0) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:270
#7  0x00007f3d404e7b1c in QThreadPrivate::start (arg=0x55dc54f853d0) at thread/qthread_unix.cpp:329
#8  0x00007f3d3f651609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f3d40169293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f3d25967700 (LWP 16515)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55dc5535cdf4) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55dc5535cda0, cond=0x55dc5535cdc8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55dc5535cdc8, mutex=0x55dc5535cda0) at pthread_cond_wait.c:638
#3  0x00007f3d404edceb in QWaitConditionPrivate::wait (deadline=..., this=0x55dc5535cda0) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=this@entry=0x55dc555574a8, mutex=mutex@entry=0x55dc555574a0, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f3d413d99ca in QFileInfoGatherer::run (this=0x55dc55557490) at ../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#6  0x00007f3d404e7b1c in QThreadPrivate::start (arg=0x55dc55557490) at thread/qthread_unix.cpp:329
#7  0x00007f3d3f651609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007f3d40169293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f3ceaffd700 (LWP 15396)):
#0  0x00007f3d3ed010a2 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f3d3ed012e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3d4072624b in QEventDispatcherGlib::processEvents (this=0x7f3ce0000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#3  0x00007f3d406ca43b in QEventLoop::exec (this=this@entry=0x7f3ceaffcd20, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#4  0x00007f3d404e6982 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#5  0x00007f3d404e7b1c in QThreadPrivate::start (arg=0x55dc5553dbe0) at thread/qthread_unix.cpp:329
#6  0x00007f3d3f651609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007f3d40169293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f3ceb7fe700 (LWP 15395)):
#0  __GI___libc_read (nbytes=16, buf=0x7f3ceb7fdc50, fd=40) at ../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=40, buf=0x7f3ceb7fdc50, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f3d3ed4989f in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3d3ed00cfe in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3d3ed01152 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f3d3ed01533 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f3cfcbd5eda in ?? () from /lib/x86_64-linux-gnu/libgio-2.0.so.0
#7  0x00007f3d3ed2a931 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f3d3f651609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f3d40169293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f3cebfff700 (LWP 15394)):
#0  0x00007f3d4015caff in __GI___poll (fds=0x55dc557d1430, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f3d3ed011ae in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3d3ed012e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3d3ed01331 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3d3ed2a931 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f3d3f651609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f3d40169293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f3cfdc99700 (LWP 15391)):
#0  0x00007f3d3ed4e33d in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f3d3ed012ce in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3d4072624b in QEventDispatcherGlib::processEvents (this=0x7f3cec000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#3  0x00007f3d406ca43b in QEventLoop::exec (this=this@entry=0x7f3cfdc98d20, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#4  0x00007f3d404e6982 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#5  0x00007f3d404e7b1c in QThreadPrivate::start (arg=0x55dc5565f450) at thread/qthread_unix.cpp:329
#6  0x00007f3d3f651609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007f3d40169293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f3cfe49a700 (LWP 15390)):
#0  0x00007f3d3ed4e368 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f3d3ed0105d in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3d3ed012e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3d4072624b in QEventDispatcherGlib::processEvents (this=0x7f3cf4000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f3d406ca43b in QEventLoop::exec (this=this@entry=0x7f3cfe499d20, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#5  0x00007f3d404e6982 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#6  0x00007f3d404e7b1c in QThreadPrivate::start (arg=0x55dc554b3a70) at thread/qthread_unix.cpp:329
#7  0x00007f3d3f651609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007f3d40169293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f3d3117e700 (LWP 1336)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55dc54f57af8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55dc54f57aa8, cond=0x55dc54f57ad0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55dc54f57ad0, mutex=0x55dc54f57aa8) at pthread_cond_wait.c:638
#3  0x00007f3d32dfe62b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f3d32dfe23b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f3d3f651609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f3d40169293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f3d3197f700 (LWP 1335)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55dc54f57af8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55dc54f57aa8, cond=0x55dc54f57ad0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55dc54f57ad0, mutex=0x55dc54f57aa8) at pthread_cond_wait.c:638
#3  0x00007f3d32dfe62b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f3d32dfe23b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f3d3f651609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f3d40169293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f3d32180700 (LWP 1334)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55dc54f57af8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55dc54f57aa8, cond=0x55dc54f57ad0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55dc54f57ad0, mutex=0x55dc54f57aa8) at pthread_cond_wait.c:638
#3  0x00007f3d32dfe62b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f3d32dfe23b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f3d3f651609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f3d40169293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f3d32981700 (LWP 1333)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55dc54f57af8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55dc54f57aa8, cond=0x55dc54f57ad0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55dc54f57ad0, mutex=0x55dc54f57aa8) at pthread_cond_wait.c:638
#3  0x00007f3d32dfe62b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f3d32dfe23b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f3d3f651609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f3d40169293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f3d39f3f700 (LWP 1304)):
#0  __GI___libc_read (nbytes=16, buf=0x7f3d39f3eae0, fd=7) at ../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=7, buf=0x7f3d39f3eae0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f3d3ed4989f in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3d3ed00cfe in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3d3ed01152 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f3d3ed012e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f3d4072624b in QEventDispatcherGlib::processEvents (this=0x7f3d2c000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#7  0x00007f3d406ca43b in QEventLoop::exec (this=this@entry=0x7f3d39f3ecf0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#8  0x00007f3d404e6982 in QThread::exec (this=this@entry=0x7f3d4177fd80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#9  0x00007f3d416fbf4b in QDBusConnectionManager::run (this=0x7f3d4177fd80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:179
#10 0x00007f3d404e7b1c in QThreadPrivate::start (arg=0x7f3d4177fd80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:329
#11 0x00007f3d3f651609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#12 0x00007f3d40169293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f3d3b962700 (LWP 1277)):
#0  0x00007f3d4015caff in __GI___poll (fds=0x7f3d3b961c28, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f3d3fba1c1a in ?? () from /lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f3d3fba390a in xcb_wait_for_event () from /lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f3d3bf5ab08 in QXcbEventQueue::run (this=0x55dc54db1f60) at qxcbeventqueue.cpp:228
#4  0x00007f3d404e7b1c in QThreadPrivate::start (arg=0x55dc54db1f60) at thread/qthread_unix.cpp:329
#5  0x00007f3d3f651609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f3d40169293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f3d3c61df40 (LWP 1240)):
[KCrash Handler]
#6  0x00007f3d406f5c68 in std::__atomic_base<QThreadData*>::load (__m=std::memory_order_relaxed, this=0x3ff0000000000038) at /usr/include/c++/9/bits/atomic_base.h:734
#7  std::atomic<QThreadData*>::load (__m=std::memory_order_relaxed, this=0x3ff0000000000038) at /usr/include/c++/9/atomic:519
#8  QAtomicOps<QThreadData*>::loadRelaxed<QThreadData*> (_q_value=...) at ../../include/QtCore/../../src/corelib/thread/qatomic_cxx11.h:239
#9  QBasicAtomicPointer<QThreadData>::loadRelaxed (this=0x3ff0000000000038) at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:248
#10 QObject::thread (this=this@entry=0x55dc55b508e0) at kernel/qobject.cpp:1487
#11 0x00007f3d406fc85d in QObject::killTimer (this=this@entry=0x55dc55b508e0, id=6) at kernel/qobject.cpp:1795
#12 0x00007f3d40707709 in QTimer::stop (this=this@entry=0x55dc55b508e0) at kernel/qtimer.cpp:243
#13 0x00007f3d40707783 in QTimer::start (this=0x55dc55b508e0) at kernel/qtimer.cpp:211
#14 0x00007f3d41fbdf64 in KNSCore::Cache::registerChangedEntry(KNSCore::EntryInternal const&) () from /lib/x86_64-linux-gnu/libKF5NewStuffCore.so.5
#15 0x00007f3d4070294e in QtPrivate::QSlotObjectBase::call (a=0x7fffae99cf10, r=0x55dc55d871f0, this=0x55dc55d4da60) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#16 doActivate<false> (sender=0x55dc557eba40, signal_index=9, argv=0x7fffae99cf10) at kernel/qobject.cpp:3886
#17 0x00007f3d41faebb9 in KNSCore::Engine::signalEntryChanged(KNSCore::EntryInternal const&) () from /lib/x86_64-linux-gnu/libKF5NewStuffCore.so.5
#18 0x00007f3d41fca14e in KNSCore::Engine::install(KNSCore::EntryInternal, int) () from /lib/x86_64-linux-gnu/libKF5NewStuffCore.so.5
#19 0x00007f3d423a39d5 in ?? () from /lib/x86_64-linux-gnu/libKF5NewStuff.so.5
#20 0x00007f3d4070294e in QtPrivate::QSlotObjectBase::call (a=0x7fffae99d180, r=0x55dc55d4bd70, this=0x55dc55e27d70) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#21 doActivate<false> (sender=0x55dc55806a20, signal_index=9, argv=0x7fffae99d180) at kernel/qobject.cpp:3886
#22 0x00007f3d406fbd17 in QMetaObject::activate (sender=sender@entry=0x55dc55806a20, m=m@entry=0x7f3d416b6600 <QAbstractButton::staticMetaObject>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x7fffae99d180) at kernel/qobject.cpp:3946
#23 0x00007f3d41298896 in QAbstractButton::clicked (this=this@entry=0x55dc55806a20, _t1=<optimized out>) at .moc/moc_qabstractbutton.cpp:308
#24 0x00007f3d41298abe in QAbstractButtonPrivate::emitClicked (this=0x55dc55c6e6f0) at widgets/qabstractbutton.cpp:415
#25 0x00007f3d41299f93 in QAbstractButtonPrivate::click (this=0x55dc55c6e6f0) at widgets/qabstractbutton.cpp:408
#26 0x00007f3d4129a155 in QAbstractButton::mouseReleaseEvent (this=0x55dc55806a20, e=0x7fffae99d730) at widgets/qabstractbutton.cpp:1044
#27 0x00007f3d4139111e in QToolButton::mouseReleaseEvent (this=<optimized out>, e=<optimized out>) at widgets/qtoolbutton.cpp:622
#28 0x00007f3d411e3be6 in QWidget::event (this=0x55dc55806a20, event=0x7fffae99d730) at kernel/qwidget.cpp:8663
#29 0x00007f3d4129b383 in QAbstractButton::event (this=this@entry=0x55dc55806a20, e=e@entry=0x7fffae99d730) at widgets/qabstractbutton.cpp:1001
#30 0x00007f3d413911c8 in QToolButton::event (this=0x55dc55806a20, event=0x7fffae99d730) at widgets/qtoolbutton.cpp:1012
#31 0x00007f3d411a0da3 in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x55dc55806a20, e=0x7fffae99d730) at kernel/qapplication.cpp:3630
#32 0x00007f3d411a9e57 in QApplication::notify(QObject*, QEvent*) () at kernel/qapplication.cpp:3074
#33 0x00007f3d406cb92a in QCoreApplication::notifyInternal2 (receiver=0x55dc55806a20, event=0x7fffae99d730) at ../../include/QtCore/5.15.1/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325
#34 0x00007f3d411a9087 in QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x55dc55806a20, event=event@entry=0x7fffae99d730, alienWidget=alienWidget@entry=0x55dc55806a20, nativeWidget=0x55dc55d8a040, buttonDown=<optimized out>, lastMouseReceiver=..., spontaneous=true, onlyDispatchEnterLeave=false) at kernel/qapplication.cpp:2614
#35 0x00007f3d411fee34 in QWidgetWindow::handleMouseEvent (this=0x55dc55d4d270, event=0x7fffae99dbb0) at /usr/include/c++/9/bits/atomic_base.h:413
#36 0x00007f3d41202154 in QWidgetWindow::event (event=0x7fffae99dbb0, this=0x55dc55d4d270) at kernel/qwidgetwindow.cpp:300
#37 QWidgetWindow::event (this=0x55dc55d4d270, event=0x7fffae99dbb0) at kernel/qwidgetwindow.cpp:239
#38 0x00007f3d411a0da3 in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x55dc55d4d270, e=0x7fffae99dbb0) at kernel/qapplication.cpp:3630
#39 0x00007f3d411a9b98 in QApplication::notify(QObject*, QEvent*) () at kernel/qapplication.cpp:3154
#40 0x00007f3d406cb92a in QCoreApplication::notifyInternal2 (receiver=0x55dc55d4d270, event=0x7fffae99dbb0) at ../../include/QtCore/5.15.1/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325
#41 0x00007f3d40aab53b in QGuiApplicationPrivate::processMouseEvent (e=e@entry=0x55dc55ec1440) at kernel/qguiapplication.cpp:2277
#42 0x00007f3d40aacab5 in QGuiApplicationPrivate::processWindowSystemEvent (e=0x55dc55ec1440) at kernel/qguiapplication.cpp:2002
#43 0x00007f3d40a847ab in QWindowSystemInterface::sendWindowSystemEvents (flags=flags@entry=...) at kernel/qwindowsysteminterface.cpp:1175
#44 0x00007f3d3bf5bb2e in xcbSourceDispatch (source=<optimized out>) at qxcbeventdispatcher.cpp:105
#45 0x00007f3d3ed00fbd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#46 0x00007f3d3ed01240 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#47 0x00007f3d3ed012e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#48 0x00007f3d40726232 in QEventDispatcherGlib::processEvents (this=0x55dc54e79430, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#49 0x00007f3d406ca43b in QEventLoop::exec (this=this@entry=0x7fffae99df50, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#50 0x00007f3d413ac05d in QDialog::exec (this=0x55dc55d8a040) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#51 0x00007f3d4236fd31 in KNS3::DownloadDialog::exec() () from /lib/x86_64-linux-gnu/libKF5NewStuff.so.5
#52 0x00007f3d42379c7c in KNS3::Button::showDialog() () from /lib/x86_64-linux-gnu/libKF5NewStuff.so.5
#53 0x00007f3d4070294e in QtPrivate::QSlotObjectBase::call (a=0x7fffae99e150, r=0x55dc55b1f800, this=0x55dc55994ea0) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#54 doActivate<false> (sender=0x55dc55b1f800, signal_index=9, argv=0x7fffae99e150) at kernel/qobject.cpp:3886
#55 0x00007f3d406fbd17 in QMetaObject::activate (sender=sender@entry=0x55dc55b1f800, m=m@entry=0x7f3d416b6600 <QAbstractButton::staticMetaObject>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x7fffae99e150) at kernel/qobject.cpp:3946
#56 0x00007f3d41298896 in QAbstractButton::clicked (this=this@entry=0x55dc55b1f800, _t1=<optimized out>) at .moc/moc_qabstractbutton.cpp:308
#57 0x00007f3d41298abe in QAbstractButtonPrivate::emitClicked (this=0x55dc553e0630) at widgets/qabstractbutton.cpp:415
#58 0x00007f3d41299f93 in QAbstractButtonPrivate::click (this=0x55dc553e0630) at widgets/qabstractbutton.cpp:408
#59 0x00007f3d4129a155 in QAbstractButton::mouseReleaseEvent (this=0x55dc55b1f800, e=0x7fffae99e6c0) at widgets/qabstractbutton.cpp:1044
#60 0x00007f3d411e3be6 in QWidget::event (this=0x55dc55b1f800, event=0x7fffae99e6c0) at kernel/qwidget.cpp:8663
#61 0x00007f3d411a0da3 in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x55dc55b1f800, e=0x7fffae99e6c0) at kernel/qapplication.cpp:3630
#62 0x00007f3d411a9e57 in QApplication::notify(QObject*, QEvent*) () at kernel/qapplication.cpp:3074
#63 0x00007f3d406cb92a in QCoreApplication::notifyInternal2 (receiver=0x55dc55b1f800, event=0x7fffae99e6c0) at ../../include/QtCore/5.15.1/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325
#64 0x00007f3d411a9087 in QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x55dc55b1f800, event=event@entry=0x7fffae99e6c0, alienWidget=alienWidget@entry=0x55dc55b1f800, nativeWidget=0x55dc5548e310, buttonDown=<optimized out>, lastMouseReceiver=..., spontaneous=true, onlyDispatchEnterLeave=false) at kernel/qapplication.cpp:2614
#65 0x00007f3d411fee34 in QWidgetWindow::handleMouseEvent (this=0x55dc55a643f0, event=0x7fffae99eb40) at /usr/include/c++/9/bits/atomic_base.h:413
#66 0x00007f3d41202154 in QWidgetWindow::event (event=0x7fffae99eb40, this=0x55dc55a643f0) at kernel/qwidgetwindow.cpp:300
#67 QWidgetWindow::event (this=0x55dc55a643f0, event=0x7fffae99eb40) at kernel/qwidgetwindow.cpp:239
#68 0x00007f3d411a0da3 in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x55dc55a643f0, e=0x7fffae99eb40) at kernel/qapplication.cpp:3630
#69 0x00007f3d411a9b98 in QApplication::notify(QObject*, QEvent*) () at kernel/qapplication.cpp:3154
#70 0x00007f3d406cb92a in QCoreApplication::notifyInternal2 (receiver=0x55dc55a643f0, event=0x7fffae99eb40) at ../../include/QtCore/5.15.1/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325
#71 0x00007f3d40aab53b in QGuiApplicationPrivate::processMouseEvent (e=e@entry=0x55dc558cfd60) at kernel/qguiapplication.cpp:2277
#72 0x00007f3d40aacab5 in QGuiApplicationPrivate::processWindowSystemEvent (e=0x55dc558cfd60) at kernel/qguiapplication.cpp:2002
#73 0x00007f3d40a847ab in QWindowSystemInterface::sendWindowSystemEvents (flags=flags@entry=...) at kernel/qwindowsysteminterface.cpp:1175
#74 0x00007f3d3bf5bb2e in xcbSourceDispatch (source=<optimized out>) at qxcbeventdispatcher.cpp:105
#75 0x00007f3d3ed00fbd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#76 0x00007f3d3ed01240 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#77 0x00007f3d3ed012e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#78 0x00007f3d40726232 in QEventDispatcherGlib::processEvents (this=0x55dc54e79430, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#79 0x00007f3d406ca43b in QEventLoop::exec (this=this@entry=0x7fffae99eee0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#80 0x00007f3d406d25e4 in QCoreApplication::exec () at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#81 0x000055dc537cf114 in ?? ()
#82 0x00007f3d4006e0b3 in __libc_start_main (main=0x55dc537cea30, argc=1, argv=0x7fffae99f228, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffae99f218) at ../csu/libc-start.c:308
#83 0x000055dc537cf1ae in _start ()
[Inferior 1 (process 1240) detached]

Possible duplicates by query: bug 422533.

Reported using DrKonqi