Hi! I met a random crash while playing with Mypaint and big size on git~master on a A4@300ppi canvas, all default. Backtrace: ========== [New Thread 0x7fff517fa700 (LWP 305932)] [New Thread 0x7fff2effd700 (LWP 305933)] [New Thread 0x7fff2d7fa700 (LWP 305934)] [New Thread 0x7fff52e9e700 (LWP 305935)] [Thread 0x7fff52e9e700 (LWP 305935) exited] [Thread 0x7fff2d7fa700 (LWP 305934) exited] [Thread 0x7fff2effd700 (LWP 305933) exited] [Thread 0x7fff517fa700 (LWP 305932) exited] [New Thread 0x7fff517fa700 (LWP 305936)] [New Thread 0x7fff2effd700 (LWP 305937)] [New Thread 0x7fff52e9e700 (LWP 305938)] [New Thread 0x7fff2d7fa700 (LWP 305939)] [New Thread 0x7fff61b4e700 (LWP 305940)] [New Thread 0x7fff60ec2700 (LWP 305941)] [New Thread 0x7fff5369f700 (LWP 305942)] [New Thread 0x7fff50ff9700 (LWP 305943)] [New Thread 0x7fff2f7fe700 (LWP 305944)] [New Thread 0x7fff2cff9700 (LWP 305945)] [New Thread 0x7fff0f5ff700 (LWP 305946)] [New Thread 0x7fff0e3ff700 (LWP 305947)] [New Thread 0x7fff0dbfe700 (LWP 305948)] [New Thread 0x7fff0d3fd700 (LWP 305949)] [New Thread 0x7fff07fff700 (LWP 305950)] [New Thread 0x7fff077fe700 (LWP 305951)] --Type <RET> for more, q to quit, c to continue without paging-- Thread 230 "Thread (pooled)" received signal SIGSEGV, Segmentation fault. [Switching to Thread 0x7fff50ff9700 (LWP 305943)] 0x00007fff70d1ecb5 in KisMyPaintSurface::getColorImpl<unsigned short> (this=<optimized out>, self=<optimized out>, x=<optimized out>, y=<optimized out>, radius=<optimized out>, color_r=<optimized out>, color_g=<optimized out>, color_b=<optimized out>, color_a=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qrect.h:269 269 { return y2 - y1 + 1; } (gdb) thread apply all bt Thread 238 (Thread 0x7fff077fe700 (LWP 305951)): #0 futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7fff077fdcd0, clockid=<optimized out>, expected=0, futex_word=0x7ffef4025da4) at ../sysdeps/nptl/futex-internal.h:320 #1 __pthread_cond_wait_common (abstime=0x7fff077fdcd0, clockid=<optimized out>, mutex=0x7ffef4025d50, cond=0x7ffef4025d78) at pthread_cond_wait.c:520 #2 __pthread_cond_timedwait (cond=0x7ffef4025d78, mutex=0x7ffef4025d50, abstime=0x7fff077fdcd0) at pthread_cond_wait.c:656 #3 0x00007ffff4891a7c in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007ffff4891bcb in QWaitCondition::wait(QMutex*, unsigned long) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007ffff488f171 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007ffff488b9d2 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #8 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 237 (Thread 0x7fff07fff700 (LWP 305950)): #0 futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7fff07ffecd0, clockid=<optimized out>, expected=0, futex_word=0x7ffef4025804) at ../sysdeps/nptl/futex-internal.h:320 #1 __pthread_cond_wait_common (abstime=0x7fff07ffecd0, clockid=<optimized out>, mutex=0x7ffef40257b0, cond=0x7ffef40257d8) at pthread_cond_wait.c:520 #2 __pthread_cond_timedwait (cond=0x7ffef40257d8, mutex=0x7ffef40257b0, abstime=0x7fff07ffecd0) at pthread_cond_wait.c:656 #3 0x00007ffff4891a7c in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007ffff4891bcb in QWaitCondition::wait(QMutex*, unsigned long) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007ffff488f171 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007ffff488b9d2 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #8 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 236 (Thread 0x7fff0d3fd700 (LWP 305949)): #0 futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7fff0d3fccd0, clockid=<optimized out>, expected=0, futex_word=0x7ffef4006594) at ../sysdeps/nptl/futex-internal.h:320 #1 __pthread_cond_wait_common (abstime=0x7fff0d3fccd0, clockid=<optimized out>, mutex=0x7ffef4006540, cond=0x7ffef4006568) at pthrea--Type <RET> for more, q to quit, c to continue without paging-- d_cond_wait.c:520 #2 __pthread_cond_timedwait (cond=0x7ffef4006568, mutex=0x7ffef4006540, abstime=0x7fff0d3fccd0) at pthread_cond_wait.c:656 #3 0x00007ffff4891a7c in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007ffff4891bcb in QWaitCondition::wait(QMutex*, unsigned long) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007ffff488f171 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007ffff488b9d2 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #8 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 235 (Thread 0x7fff0dbfe700 (LWP 305948)): #0 futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7fff0dbfdcd0, clockid=<optimized out>, expected=0, futex_word=0x7ffef401b120) at ../sysdeps/nptl/futex-internal.h:320 #1 __pthread_cond_wait_common (abstime=0x7fff0dbfdcd0, clockid=<optimized out>, mutex=0x7ffef401b0d0, cond=0x7ffef401b0f8) at pthread_cond_wait.c:520 #2 __pthread_cond_timedwait (cond=0x7ffef401b0f8, mutex=0x7ffef401b0d0, abstime=0x7fff0dbfdcd0) at pthread_cond_wait.c:656 #3 0x00007ffff4891a7c in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007ffff4891bcb in QWaitCondition::wait(QMutex*, unsigned long) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007ffff488f171 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007ffff488b9d2 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #8 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 234 (Thread 0x7fff0e3ff700 (LWP 305947)): #0 futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7fff0e3fecd0, clockid=<optimized out>, expected=0, futex_word=0x7ffef4028fb0) at ../sysdeps/nptl/futex-internal.h:320 #1 __pthread_cond_wait_common (abstime=0x7fff0e3fecd0, clockid=<optimized out>, mutex=0x7ffef4028f60, cond=0x7ffef4028f88) at pthread_cond_wait.c:520 #2 __pthread_cond_timedwait (cond=0x7ffef4028f88, mutex=0x7ffef4028f60, abstime=0x7fff0e3fecd0) at pthread_cond_wait.c:656 #3 0x00007ffff4891a7c in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007ffff4891bcb in QWaitCondition::wait(QMutex*, unsigned long) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007ffff488f171 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 --Type <RET> for more, q to quit, c to continue without paging-- #6 0x00007ffff488b9d2 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #8 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 233 (Thread 0x7fff0f5ff700 (LWP 305946)): #0 futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7fff0f5fecd0, clockid=<optimized out>, expected=0, futex_word=0x7ffef401b6f0) at ../sysdeps/nptl/futex-internal.h:320 #1 __pthread_cond_wait_common (abstime=0x7fff0f5fecd0, clockid=<optimized out>, mutex=0x7ffef401b6a0, cond=0x7ffef401b6c8) at pthread_cond_wait.c:520 #2 __pthread_cond_timedwait (cond=0x7ffef401b6c8, mutex=0x7ffef401b6a0, abstime=0x7fff0f5fecd0) at pthread_cond_wait.c:656 #3 0x00007ffff4891a7c in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007ffff4891bcb in QWaitCondition::wait(QMutex*, unsigned long) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007ffff488f171 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007ffff488b9d2 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #8 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 232 (Thread 0x7fff2cff9700 (LWP 305945)): #0 futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7fff2cff8cd0, clockid=<optimized out>, expected=0, futex_word=0x7ffef401a1b0) at ../sysdeps/nptl/futex-internal.h:320 #1 __pthread_cond_wait_common (abstime=0x7fff2cff8cd0, clockid=<optimized out>, mutex=0x7ffef401a160, cond=0x7ffef401a188) at pthread_cond_wait.c:520 #2 __pthread_cond_timedwait (cond=0x7ffef401a188, mutex=0x7ffef401a160, abstime=0x7fff2cff8cd0) at pthread_cond_wait.c:656 #3 0x00007ffff4891a7c in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007ffff4891bcb in QWaitCondition::wait(QMutex*, unsigned long) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007ffff488f171 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007ffff488b9d2 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #8 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 231 (Thread 0x7fff2f7fe700 (LWP 305944)): --Type <RET> for more, q to quit, c to continue without paging-- #0 futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7fff2f7fdcd0, clockid=<optimized out>, expected=0, futex_word=0x7ffef4010f54) at ../sysdeps/nptl/futex-internal.h:320 #1 __pthread_cond_wait_common (abstime=0x7fff2f7fdcd0, clockid=<optimized out>, mutex=0x7ffef4010f00, cond=0x7ffef4010f28) at pthread_cond_wait.c:520 #2 __pthread_cond_timedwait (cond=0x7ffef4010f28, mutex=0x7ffef4010f00, abstime=0x7fff2f7fdcd0) at pthread_cond_wait.c:656 #3 0x00007ffff4891a7c in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007ffff4891bcb in QWaitCondition::wait(QMutex*, unsigned long) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007ffff488f171 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007ffff488b9d2 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #8 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 230 (Thread 0x7fff50ff9700 (LWP 305943)): #0 0x00007fff70d1ecb5 in KisMyPaintSurface::getColorImpl<unsigned short>(MyPaintSurface*, float, float, float, float*, float*, float*, float*) (this=<optimized out>, self=<optimized out>, x=<optimized out>, y=<optimized out>, radius=<optimized out>, color_r=<optimized out>, color_g=<optimized out>, color_b=<optimized out>, color_a=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qrect.h:269 #1 0x00007fff70cb2400 in update_smudge_color () at /lib/x86_64-linux-gnu/libmypaint-1.5.so.1 #2 0x00007fff70cb2fd1 in prepare_and_draw_dab () at /lib/x86_64-linux-gnu/libmypaint-1.5.so.1 #3 0x00007fff70cb3ca8 in mypaint_brush_stroke_to_internal () at /lib/x86_64-linux-gnu/libmypaint-1.5.so.1 #4 0x00007fff70cb42a0 in mypaint_brush_stroke_to () at /lib/x86_64-linux-gnu/libmypaint-1.5.so.1 #5 0x00007fff70d0fe44 in KisMyPaintPaintOp::paintAt(KisPaintInformation const&) (this=0x7fff3005dd90, info=...) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qpoint.h:303 #6 0x00007ffff5d8b840 in KisPaintInformation::paintAt<KisPaintOp>(KisPaintOp&, KisDistanceInformation*) (distanceInfo=0x55556147f460, op=..., this=0x7fff50ff89b0) at /home/deevad/sources/krita/src/libs/image/kis_timing_information.h:28 #7 KisPaintOpUtils::paintLine<KisPaintOp>(KisPaintOp&, KisPaintInformation const&, KisPaintInformation const&, KisDistanceInformation*, bool, double) (op=..., pi1=..., pi2=..., currentDistance=0x55556147f460, fanCornersEnabled=false, fanCornersStep=1) at /home/deevad/sources/krita/src/libs/image/brushengine/kis_paintop_utils.h:84 #8 0x00007ffff5d8a928 in paintBezierCurve(KisPaintOp*, KisPaintInformation const&, KisVector2D const&, KisVector2D const&, KisPaintInformation const&, KisDistanceInformation*) (paintOp=0x7fff3005dd90, pi1=..., control1=..., control2=..., pi2=..., currentDistance=0x55556147f460) at /home/deevad/sources/krita/src/libs/image/brushengine/kis_paintop.cc:113 --Type <RET> for more, q to quit, c to continue without paging-- #9 0x00007ffff5d8aa66 in paintBezierCurve(KisPaintOp*, KisPaintInformation const&, KisVector2D const&, KisVector2D const&, KisPaintInformation const&, KisDistanceInformation*) (paintOp=0x7fff3005dd90, pi1=..., control1=..., control2=..., pi2=..., currentDistance=0x55556147f460) at /home/deevad/sources/krita/src/libs/image/brushengine/kis_paintop.cc:125 #10 0x00007ffff5d8aaee in KisPaintOp::paintBezierCurve(KisPaintInformation const&, QPointF const&, QPointF const&, KisPaintInformation const&, KisDistanceInformation*) (this=<optimized out>, pi1=..., control1=..., control2=..., pi2=..., currentDistance=<optimized out>) at /usr/include/eigen3/Eigen/src/Core/PlainObjectBase.h:901 #11 0x00007ffff6fa5f8b in KisMaskedFreehandStrokePainter::<lambda(KisFreehandStrokeInfo*)>::operator() (data=<optimized out>, data=<optimized out>, __closure=<synthetic pointer>) at /home/deevad/sources/krita/src/libs/ui/tool/strokes/KisMaskedFreehandStrokePainter.cpp:55 #12 KisMaskedFreehandStrokePainter::applyToAllPainters<KisMaskedFreehandStrokePainter::paintBezierCurve(const KisPaintInformation&, const QPointF&, const QPointF&, const KisPaintInformation&)::<lambda(KisFreehandStrokeInfo*)> > (this=0x7fff3000f340, this=0x7fff3000f340, func=...) at /home/deevad/sources/krita/src/libs/ui/tool/strokes/KisMaskedFreehandStrokePainter.cpp:31 #13 KisMaskedFreehandStrokePainter::paintBezierCurve(KisPaintInformation const&, QPointF const&, QPointF const&, KisPaintInformation const&) (this=0x7fff3000f340, pi1=..., control1=..., control2=..., pi2=...) at /home/deevad/sources/krita/src/libs/ui/tool/strokes/KisMaskedFreehandStrokePainter.cpp:54 #14 0x00007ffff6fa0360 in FreehandStrokeStrategy::doStrokeCallback(KisStrokeJobData*) (this=0x5555615171d0, data=<optimized out>) at /home/deevad/sources/krita/src/libs/ui/tool/strokes/freehand_stroke.cpp:171 #15 0x00007ffff5d3ded3 in non-virtual thunk to KisUpdateJobItem::run() () at /usr/include/x86_64-linux-gnu/qt5/QtCore/qarraydata.h:236 #16 0x00007ffff488ef82 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #17 0x00007ffff488b9d2 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #18 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #19 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 229 (Thread 0x7fff5369f700 (LWP 305942)): #0 futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7fff5369ecd0, clockid=<optimized out>, expected=0, futex_word=0x7ffef4004c64) at ../sysdeps/nptl/futex-internal.h:320 #1 __pthread_cond_wait_common (abstime=0x7fff5369ecd0, clockid=<optimized out>, mutex=0x7ffef4004c10, cond=0x7ffef4004c38) at pthread_cond_wait.c:520 #2 __pthread_cond_timedwait (cond=0x7ffef4004c38, mutex=0x7ffef4004c10, abstime=0x7fff5369ecd0) at pthread_cond_wait.c:656 #3 0x00007ffff4891a7c in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 --Type <RET> for more, q to quit, c to continue without paging-- #4 0x00007ffff4891bcb in QWaitCondition::wait(QMutex*, unsigned long) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007ffff488f171 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007ffff488b9d2 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #8 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 228 (Thread 0x7fff60ec2700 (LWP 305941)): #0 futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7fff60ec1cd0, clockid=<optimized out>, expected=0, futex_word=0x7ffef40201d0) at ../sysdeps/nptl/futex-internal.h:320 #1 __pthread_cond_wait_common (abstime=0x7fff60ec1cd0, clockid=<optimized out>, mutex=0x7ffef4020180, cond=0x7ffef40201a8) at pthread_cond_wait.c:520 #2 __pthread_cond_timedwait (cond=0x7ffef40201a8, mutex=0x7ffef4020180, abstime=0x7fff60ec1cd0) at pthread_cond_wait.c:656 #3 0x00007ffff4891a7c in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007ffff4891bcb in QWaitCondition::wait(QMutex*, unsigned long) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007ffff488f171 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007ffff488b9d2 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #8 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 227 (Thread 0x7fff61b4e700 (LWP 305940)): #0 futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7fff61b4dcd0, clockid=<optimized out>, expected=0, futex_word=0x7ffef40027e4) at ../sysdeps/nptl/futex-internal.h:320 #1 __pthread_cond_wait_common (abstime=0x7fff61b4dcd0, clockid=<optimized out>, mutex=0x7ffef4002790, cond=0x7ffef40027b8) at pthread_cond_wait.c:520 #2 __pthread_cond_timedwait (cond=0x7ffef40027b8, mutex=0x7ffef4002790, abstime=0x7fff61b4dcd0) at pthread_cond_wait.c:656 #3 0x00007ffff4891a7c in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007ffff4891bcb in QWaitCondition::wait(QMutex*, unsigned long) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007ffff488f171 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007ffff488b9d2 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #8 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 --Type <RET> for more, q to quit, c to continue without paging-- Thread 226 (Thread 0x7fff2d7fa700 (LWP 305939)): #0 futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7fff2d7f9cd0, clockid=<optimized out>, expected=0, futex_word=0x7ffef40186e4) at ../sysdeps/nptl/futex-internal.h:320 #1 __pthread_cond_wait_common (abstime=0x7fff2d7f9cd0, clockid=<optimized out>, mutex=0x7ffef4018690, cond=0x7ffef40186b8) at pthread_cond_wait.c:520 #2 __pthread_cond_timedwait (cond=0x7ffef40186b8, mutex=0x7ffef4018690, abstime=0x7fff2d7f9cd0) at pthread_cond_wait.c:656 #3 0x00007ffff4891a7c in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007ffff4891bcb in QWaitCondition::wait(QMutex*, unsigned long) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007ffff488f171 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007ffff488b9d2 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #8 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 225 (Thread 0x7fff52e9e700 (LWP 305938)): #0 futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7fff52e9dcd0, clockid=<optimized out>, expected=0, futex_word=0x7ffef4016f10) at ../sysdeps/nptl/futex-internal.h:320 #1 __pthread_cond_wait_common (abstime=0x7fff52e9dcd0, clockid=<optimized out>, mutex=0x7ffef4016ec0, cond=0x7ffef4016ee8) at pthread_cond_wait.c:520 #2 __pthread_cond_timedwait (cond=0x7ffef4016ee8, mutex=0x7ffef4016ec0, abstime=0x7fff52e9dcd0) at pthread_cond_wait.c:656 #3 0x00007ffff4891a7c in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007ffff4891bcb in QWaitCondition::wait(QMutex*, unsigned long) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007ffff488f171 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007ffff488b9d2 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #8 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 224 (Thread 0x7fff2effd700 (LWP 305937)): #0 futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7fff2effccd0, clockid=<optimized out>, expected=0, futex_word=0x7ffef401c8d0) at ../sysdeps/nptl/futex-internal.h:320 #1 __pthread_cond_wait_common (abstime=0x7fff2effccd0, clockid=<optimized out>, mutex=0x7ffef401c880, cond=0x7ffef401c8a8) at pthrea--Type <RET> for more, q to quit, c to continue without paging-- d_cond_wait.c:520 #2 __pthread_cond_timedwait (cond=0x7ffef401c8a8, mutex=0x7ffef401c880, abstime=0x7fff2effccd0) at pthread_cond_wait.c:656 #3 0x00007ffff4891a7c in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007ffff4891bcb in QWaitCondition::wait(QMutex*, unsigned long) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007ffff488f171 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007ffff488b9d2 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #8 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 223 (Thread 0x7fff517fa700 (LWP 305936)): #0 futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7fff517f9cd0, clockid=<optimized out>, expected=0, futex_word=0x55556010a900) at ../sysdeps/nptl/futex-internal.h:320 #1 __pthread_cond_wait_common (abstime=0x7fff517f9cd0, clockid=<optimized out>, mutex=0x55556010a8b0, cond=0x55556010a8d8) at pthread_cond_wait.c:520 #2 __pthread_cond_timedwait (cond=0x55556010a8d8, mutex=0x55556010a8b0, abstime=0x7fff517f9cd0) at pthread_cond_wait.c:656 #3 0x00007ffff4891a7c in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007ffff4891bcb in QWaitCondition::wait(QMutex*, unsigned long) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007ffff488f171 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007ffff488b9d2 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #8 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 154 (Thread 0x7fff51ffb700 (LWP 305867)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x555563c97eb0) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555563c97e60, cond=0x555563c97e88) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x555563c97e88, mutex=0x555563c97e60) at pthread_cond_wait.c:638 #3 0x00007fffed124b5b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #4 0x00007fffed12475b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #5 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 --Type <RET> for more, q to quit, c to continue without paging-- Thread 137 (Thread 0x7fff035fe700 (LWP 305850)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x555562055e60) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555562055e10, cond=0x555562055e38) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x555562055e38, mutex=0x555562055e10) at pthread_cond_wait.c:638 #3 0x00007fffed124b5b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #4 0x00007fffed12475b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #5 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 136 (Thread 0x7fff24ffd700 (LWP 305849)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5555618819e0) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555561881990, cond=0x5555618819b8) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x5555618819b8, mutex=0x555561881990) at pthread_cond_wait.c:638 #3 0x00007fffed124b5b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #4 0x00007fffed12475b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #5 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 103 (Thread 0x7fff6aa8a700 (LWP 305816)): #0 0x00007ffff44f4aff in __GI___poll (fds=0x7fff5c0025e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007ffff1fd918e in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007ffff1fd92c3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007ffff4aab565 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007ffff4a524db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007ffff488a785 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007fffe16be1a9 in () at /lib/x86_64-linux-gnu/libQt5Qml.so.5 #7 0x00007ffff488b9d2 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #9 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 --Type <RET> for more, q to quit, c to continue without paging-- Thread 102 (Thread 0x7fff6a289700 (LWP 305815)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff488e0b0 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007ffff488df16 in QSemaphore::tryAcquire(int, int) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #3 0x00007ffff5d67917 in KisTileDataSwapper::waitForWork() (this=<optimized out>) at /home/deevad/sources/krita/src/libs/image/tiles3/swap/kis_tile_data_swapper.cpp:74 #4 0x00007ffff5d67afa in KisTileDataSwapper::run() (this=0x7ffff611eb20 <(anonymous namespace)::Q_QGS_s_instance::innerFunction()::holder+64>) at /home/deevad/sources/krita/src/libs/image/tiles3/swap/kis_tile_data_swapper.cpp:80 #5 0x00007ffff488b9d2 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #7 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 100 (Thread 0x7fff8097d700 (LWP 305813)): #0 0x00007ffff44f4aff in __GI___poll (fds=0x7fff6c0029e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007ffff1fd918e in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007ffff1fd92c3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007ffff4aab565 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007ffff4a524db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007ffff488a785 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007ffff488b9d2 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #8 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 98 (Thread 0x7fff817fa700 (LWP 305810)): #0 0x00007ffff44f4aff in __GI___poll (fds=0x7fff7801c570, nfds=4, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007ffff1fd918e in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007ffff1fd92c3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007ffff4aab565 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007ffff4a524db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 --Type <RET> for more, q to quit, c to continue without paging-- #5 0x00007ffff488a785 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007ffff1d42efa in () at /lib/x86_64-linux-gnu/libQt5DBus.so.5 #7 0x00007ffff488b9d2 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #9 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 97 (Thread 0x7fff81ffb700 (LWP 305809)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55555747f820) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55555747f7d0, cond=0x55555747f7f8) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x55555747f7f8, mutex=0x55555747f7d0) at pthread_cond_wait.c:638 #3 0x00007fffed124b5b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #4 0x00007fffed12475b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #5 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 96 (Thread 0x7fff827fc700 (LWP 305808)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5555572649f0) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5555572649a0, cond=0x5555572649c8) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x5555572649c8, mutex=0x5555572649a0) at pthread_cond_wait.c:638 #3 0x00007fffed124b5b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #4 0x00007fffed12475b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #5 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 95 (Thread 0x7fff82ffd700 (LWP 305807)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5555572649f0) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5555572649a0, cond=0x5555572649c8) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x5555572649c8, mutex=0x5555572649a0) at pthread_cond_wait.c:638 #3 0x00007fffed124b5b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #4 0x00007fffed12475b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #5 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 --Type <RET> for more, q to quit, c to continue without paging-- #6 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 94 (Thread 0x7fff837fe700 (LWP 305806)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5555572649f0) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5555572649a0, cond=0x5555572649c8) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x5555572649c8, mutex=0x5555572649a0) at pthread_cond_wait.c:638 #3 0x00007fffed124b5b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #4 0x00007fffed12475b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #5 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 93 (Thread 0x7fff83fff700 (LWP 305805)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5555572649f0) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5555572649a0, cond=0x5555572649c8) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x5555572649c8, mutex=0x5555572649a0) at pthread_cond_wait.c:638 #3 0x00007fffed124b5b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #4 0x00007fffed12475b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #5 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 92 (Thread 0x7fffb8ff9700 (LWP 305804)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5555572649f0) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5555572649a0, cond=0x5555572649c8) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x5555572649c8, mutex=0x5555572649a0) at pthread_cond_wait.c:638 #3 0x00007fffed124b5b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #4 0x00007fffed12475b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #5 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 91 (Thread 0x7fffb97fa700 (LWP 305803)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5555572642ec) at ../sysdeps/nptl/futex-internal.h:183 --Type <RET> for more, q to quit, c to continue without paging-- #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555557264298, cond=0x5555572642c0) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x5555572642c0, mutex=0x555557264298) at pthread_cond_wait.c:638 #3 0x00007fffed124b5b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #4 0x00007fffed12475b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #5 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 90 (Thread 0x7fffb9ffb700 (LWP 305802)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5555572642ec) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555557264298, cond=0x5555572642c0) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x5555572642c0, mutex=0x555557264298) at pthread_cond_wait.c:638 #3 0x00007fffed124b5b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #4 0x00007fffed12475b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #5 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 89 (Thread 0x7fffba7fc700 (LWP 305801)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5555572642ec) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555557264298, cond=0x5555572642c0) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x5555572642c0, mutex=0x555557264298) at pthread_cond_wait.c:638 #3 0x00007fffed124b5b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #4 0x00007fffed12475b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #5 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 88 (Thread 0x7fffbaffd700 (LWP 305800)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5555572642ec) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555557264298, cond=0x5555572642c0) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x5555572642c0, mutex=0x555557264298) at pthread_cond_wait.c:638 #3 0x00007fffed124b5b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #4 0x00007fffed12475b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so --Type <RET> for more, q to quit, c to continue without paging-- #5 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 87 (Thread 0x7fffbb7fe700 (LWP 305799)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5555572642ec) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555557264298, cond=0x5555572642c0) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x5555572642c0, mutex=0x555557264298) at pthread_cond_wait.c:638 #3 0x00007fffed124b5b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #4 0x00007fffed12475b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #5 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 86 (Thread 0x7fffbbfff700 (LWP 305798)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5555572642ec) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555557264298, cond=0x5555572642c0) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x5555572642c0, mutex=0x555557264298) at pthread_cond_wait.c:638 #3 0x00007fffed124b5b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #4 0x00007fffed12475b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #5 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 85 (Thread 0x7fffc0ff9700 (LWP 305797)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5555572642ec) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555557264298, cond=0x5555572642c0) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x5555572642c0, mutex=0x555557264298) at pthread_cond_wait.c:638 #3 0x00007fffed124b5b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #4 0x00007fffed12475b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #5 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 84 (Thread 0x7fffc17fa700 (LWP 305796)): --Type <RET> for more, q to quit, c to continue without paging-- #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5555572642ec) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555557264298, cond=0x5555572642c0) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x5555572642c0, mutex=0x555557264298) at pthread_cond_wait.c:638 #3 0x00007fffed124b5b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #4 0x00007fffed12475b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #5 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 83 (Thread 0x7fffc1ffb700 (LWP 305795)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5555572642ec) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555557264298, cond=0x5555572642c0) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x5555572642c0, mutex=0x555557264298) at pthread_cond_wait.c:638 #3 0x00007fffed124b5b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #4 0x00007fffed12475b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #5 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 82 (Thread 0x7fffc27fc700 (LWP 305794)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5555572642e8) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555557264298, cond=0x5555572642c0) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x5555572642c0, mutex=0x555557264298) at pthread_cond_wait.c:638 #3 0x00007fffed124b5b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #4 0x00007fffed12475b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #5 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 81 (Thread 0x7fffc2ffd700 (LWP 305793)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5555572642ec) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555557264298, cond=0x5555572642c0) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x5555572642c0, mutex=0x555557264298) at pthread_cond_wait.c:638 #3 0x00007fffed124b5b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so --Type <RET> for more, q to quit, c to continue without paging-- #4 0x00007fffed12475b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #5 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 80 (Thread 0x7fffc37fe700 (LWP 305792)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5555572642ec) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555557264298, cond=0x5555572642c0) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x5555572642c0, mutex=0x555557264298) at pthread_cond_wait.c:638 #3 0x00007fffed124b5b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #4 0x00007fffed12475b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #5 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 79 (Thread 0x7fffc3fff700 (LWP 305791)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fffd4001ae8) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7fffd4001a98, cond=0x7fffd4001ac0) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x7fffd4001ac0, mutex=0x7fffd4001a98) at pthread_cond_wait.c:638 #3 0x00007fffed124b5b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #4 0x00007fffed12475b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #5 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 78 (Thread 0x7fffe0856700 (LWP 305790)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fffd4001aec) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7fffd4001a98, cond=0x7fffd4001ac0) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x7fffd4001ac0, mutex=0x7fffd4001a98) at pthread_cond_wait.c:638 #3 0x00007fffed124b5b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #4 0x00007fffed12475b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #5 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 --Type <RET> for more, q to quit, c to continue without paging-- Thread 77 (Thread 0x7fffe285a700 (LWP 305789)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fffd4001aec) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7fffd4001a98, cond=0x7fffd4001ac0) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x7fffd4001ac0, mutex=0x7fffd4001a98) at pthread_cond_wait.c:638 #3 0x00007fffed124b5b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #4 0x00007fffed12475b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #5 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 76 (Thread 0x7fffecaa3700 (LWP 305788)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fffd4001ae8) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7fffd4001a98, cond=0x7fffd4001ac0) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x7fffd4001ac0, mutex=0x7fffd4001a98) at pthread_cond_wait.c:638 #3 0x00007fffed124b5b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #4 0x00007fffed12475b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #5 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 75 (Thread 0x7fffe2059700 (LWP 305787)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55555725d2a8) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55555725d258, cond=0x55555725d280) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x55555725d280, mutex=0x55555725d258) at pthread_cond_wait.c:638 #3 0x00007fffed124b5b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #4 0x00007fffed12475b in () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so #5 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 74 (Thread 0x7fffe1057700 (LWP 305786)): #0 0x00007ffff44f4aff in __GI___poll (fds=0x7fffe1056ca8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007ffff1e4bc1a in () at /lib/x86_64-linux-gnu/libxcb.so.1 #2 0x00007ffff1e4d90a in xcb_wait_for_event () at /lib/x86_64-linux-gnu/libxcb.so.1 --Type <RET> for more, q to quit, c to continue without paging-- #3 0x00007fffef6f2298 in () at /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5 #4 0x00007ffff488b9d2 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007ffff27e8609 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007ffff4501293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 1 (Thread 0x7fffef8781c0 (LWP 305710)): #0 0x00007ffff44f4aff in __GI___poll (fds=0x55556015b060, nfds=4, timeout=8) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007ffff1fd918e in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007ffff1fd92c3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007ffff4aab565 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007ffff4a524db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007ffff4a5a246 in QCoreApplication::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x0000555555e281ee in main(int, char**) (argc=<optimized out>, argv=0x7fffffffe168) at /home/deevad/sources/krita/src/krita/main.cc:663 (gdb) (gdb) (gdb)
*** Bug 434858 has been marked as a duplicate of this bug. ***
I was looking at warnings yesterday and there are some very worrisome warnings in the mypaint surface imlpementation where variable length arrays are used.
A possibly relevant merge request was started @ https://invent.kde.org/graphics/krita/-/merge_requests/777
Git commit 0a9b43e3c868dff731f5168596563d9d897b15fe by Halla Rempt, on behalf of Agata Cacko. Committed on 30/03/2021 at 08:36. Pushed by rempt into branch 'master'. Fx MyPaint brush engine crashing in big sizes Before this commit, MyPaint brushes would crash on big sizes (easy test: size 1000px on blend+paint) because it was initialized in the stack instead of on the heap. (For future readers, the wrong/stack initialization for big sizes: int array[size]; heap initialization: int array = new array[size]; // and remember to delete [] array;!) This commit not only removes that initialization which fixes the crash, but also changes it to use a fixed device instead, which should help with memory fragmentization and make the brush engine faster on Windows (hopefully - no benchmarks were done). M +12 -4 plugins/paintops/mypaint/MyPaintSurface.cpp M +2 -0 plugins/paintops/mypaint/MyPaintSurface.h https://invent.kde.org/graphics/krita/commit/0a9b43e3c868dff731f5168596563d9d897b15fe