Application: krita (5.1.1)

Qt Version: 5.15.6
Frameworks Version: 5.98.0
Operating System: Linux 5.15.0-46-generic x86_64
Windowing System: X11
Distribution: KDE neon User - 5.25
DrKonqi: 5.25.5 [KCrashBackend]

-- Information about the crash:
krita force closed when i opened it and I tried it many times and still force closed. I tried both appimage and ubuntu based

The crash can be reproduced every time.

-- Backtrace:
Application: Krita (krita), signal: Segmentation fault

[New LWP 6611]
[New LWP 6623]
[New LWP 6628]
[New LWP 6630]
[New LWP 6631]
[New LWP 6632]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007fcb26fa899f in __GI___poll (fds=0x7ffc9f8c73f8, nfds=1, timeout=1000) at ../sysdeps/unix/sysv/linux/poll.c:29
__preamble__
[Current thread is 1 (Thread 0x7fcb2213d880 (LWP 6610))]

Thread 7 (Thread 0x7fcaf7fff700 (LWP 6632)):
#0  __GI___libc_read (nbytes=16, buf=0x7fcaf7ffead0, fd=28) at ../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=28, buf=0x7fcaf7ffead0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007fcb24b84b2f in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fcb24b3bebe in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fcb24b3c312 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fcb24b3c4a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fcb27594b6b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fcb27538b0b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fcb27352342 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fcb1959f67a in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#10 0x00007fcb27353543 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007fcb254b6609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#12 0x00007fcb26fb5133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fcafffc0700 (LWP 6631)):
#0  0x00007fcb24b3a25d in g_source_ref () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fcb24b3a328 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fcb24b3bcbf in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fcb24b3c312 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fcb24b3c4a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fcb27594b6b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fcb27538b0b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fcb27352342 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fcb18c1b919 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007fcb27353543 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fcb254b6609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#11 0x00007fcb26fb5133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fcafd498700 (LWP 6630)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fcb273559f0 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fcb27355856 in QSemaphore::tryAcquire(int, int) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007fcb2895b4fa in KisTileDataSwapper::run() () from /lib/x86_64-linux-gnu/libkritaimage.so.18
#4  0x00007fcb27353543 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fcb254b6609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fcb26fb5133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fcb0486d700 (LWP 6628)):
#0  0x00007fcb24b3a25d in g_source_ref () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fcb24b3a328 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fcb24b3b82b in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fcb24b3c29b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fcb24b3c4a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fcb27594b6b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fcb27538b0b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fcb27352342 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fcb27353543 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fcb254b6609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007fcb26fb5133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fcb20d89700 (LWP 6623)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55da4f7494a8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55da4f749458, cond=0x55da4f749480) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55da4f749480, mutex=0x55da4f749458) at pthread_cond_wait.c:647
#3  0x00007fcb1a63a5eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#4  0x00007fcb1a63a1eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#5  0x00007fcb254b6609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fcb26fb5133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fcb2158a700 (LWP 6611)):
#0  0x00007fcb26fa899f in __GI___poll (fds=0x7fcb1c01ef00, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fcb24b3c36e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fcb24b3c4a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fcb27594b6b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fcb27538b0b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fcb27352342 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fcb24939f4b in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007fcb27353543 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fcb254b6609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007fcb26fb5133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fcb2213d880 (LWP 6610)):
[KCrash Handler]
#4  0x00007fcb27539f88 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fcb27593ea0 in QTimerInfoList::activateTimers() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fcb275947d4 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fcb24b3c17d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007fcb24b3c400 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007fcb24b3c4a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007fcb27594b52 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007fcb27538b0b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007fcb27540cb4 in QCoreApplication::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x000055da4e33eaa8 in ?? ()
#14 0x00007fcb26eba083 in __libc_start_main (main=0x55da4e33bf40, argc=1, argv=0x7ffc9f8c8698, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffc9f8c8688) at ../csu/libc-start.c:308
#15 0x000055da4e34042e in ?? ()
[Inferior 1 (process 6610) detached]

Reported using DrKonqi