Bug 511458

Summary: Spectacle crash on screen record attempt under wayland.
Product: [Applications] Spectacle Reporter: Konstantin Popov <konstantin.popov.89>
Component: GeneralAssignee: Noah Davis <noahadvs>
Status: REPORTED ---    
Severity: crash CC: kde, kdedev, sam
Priority: NOR Keywords: drkonqi
Version First Reported In: 6.4.5   
Target Milestone: ---   
Platform: Gentoo Packages   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:
Attachments: Backtrace 20251105 with debug symbols

Description Konstantin Popov 2025-11-01 12:09:52 UTC
Application: spectacle (6.4.5)

ApplicationNotResponding [ANR]: false
Qt Version: 6.9.3
Frameworks Version: 6.18.0
Operating System: Linux 6.12.41-gentoo x86_64
Windowing System: Wayland
Distribution: "Gentoo Linux"
DrKonqi: 6.3.80 [KCrashBackend]

-- Information about the crash:
Steps to reproduce:
1) start screen record (for exaple, for a single window);
2) wait for several seconds;
3) stop the recording by clicking "red circle" tray icon.

After this I always get a crash.

The crash can be reproduced every time.

-- Backtrace:
Application: Spectacle (spectacle), signal: Segmentation fault

[KCrash Handler]
#7  0x00007f3ee8a2ee96 in end_ebml_master_crc32 (pb=pb@entry=0x7f3eb404c000, dyn_cp=dyn_cp@entry=0x7f3eb4023c50, mkv=mkv@entry=0x7f3eb4023c00, id=id@entry=524531317, length_size=length_size@entry=0, keep_buffer=keep_buffer@entry=0, add_seekentry=0) at src/libavformat/matroskaenc.c:789
#8  0x00007f3ee8a33b23 in mkv_write_trailer (s=0x7f3eb4eebc80) at src/libavformat/matroskaenc.c:3176
#9  0x00007f3ee8a840ce in av_write_trailer (s=0x7f3eb4eebc80) at src/libavformat/mux.c:1319
#10 0x00007f3eeeeeee3c in PipeWireRecordProduce::cleanup (this=0x5601a5824120) at /var/tmp/portage/kde-plasma/kpipewire-6.4.5/work/kpipewire-6.4.5/src/pipewirerecord.cpp:201
#11 0x00007f3eeeef1e95 in PipeWireProduce::destroy (this=0x5601a5824120) at /var/tmp/portage/kde-plasma/kpipewire-6.4.5/work/kpipewire-6.4.5/src/pipewireproduce.cpp:254
#12 0x00007f3eebc53670 in QObject::event(QEvent*) () at /usr/lib64/libQt6Core.so.6
#13 0x00007f3eedf72806 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt6Widgets.so.6
#14 0x00007f3eebcd0e08 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt6Core.so.6
#15 0x00007f3eebcf7882 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/libQt6Core.so.6
#16 0x00007f3eeba81aa7 in ??? () at /usr/lib64/libQt6Core.so.6
#17 0x00007f3ee7eb7d13 in ??? () at /usr/lib64/libglib-2.0.so.0
#18 0x00007f3ee7ebb027 in ??? () at /usr/lib64/libglib-2.0.so.0
#19 0x00007f3ee7ebb790 in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#20 0x00007f3eeba81b33 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt6Core.so.6
#21 0x00007f3eebcfe7a2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt6Core.so.6
#22 0x00007f3eebc2b6de in QThread::exec() () at /usr/lib64/libQt6Core.so.6
#23 0x00007f3eebbc886f in ??? () at /usr/lib64/libQt6Core.so.6
#24 0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#25 0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 55 (Thread 0x7f3ea37f66c0 (LWP 2321) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee8c217cb in thread_worker (v=0x7f3eb4051380) at src/libavutil/slicethread.c:82
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 54 (Thread 0x7f3ea3ff76c0 (LWP 2322) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee8c217cb in thread_worker (v=0x7f3eb40513f0) at src/libavutil/slicethread.c:82
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 53 (Thread 0x7f3ea47f86c0 (LWP 2323) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee8c217cb in thread_worker (v=0x7f3eb4051460) at src/libavutil/slicethread.c:82
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 52 (Thread 0x7f3ea4ff96c0 (LWP 2324) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee8c217cb in thread_worker (v=0x7f3eb40514d0) at src/libavutil/slicethread.c:82
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 51 (Thread 0x7f3ec139b6c0 (LWP 2325) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee8c217cb in thread_worker (v=0x7f3eb4051540) at src/libavutil/slicethread.c:82
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 50 (Thread 0x7f3ec09e86c0 (LWP 2326) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee8c217cb in thread_worker (v=0x7f3eb40515b0) at src/libavutil/slicethread.c:82
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 49 (Thread 0x7f3ead9b56c0 (LWP 2327) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee8c217cb in thread_worker (v=0x7f3eb4051620) at src/libavutil/slicethread.c:82
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 48 (Thread 0x7f3ead1b46c0 (LWP 2328) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee8c217cb in thread_worker (v=0x7f3eb4051690) at src/libavutil/slicethread.c:82
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 47 (Thread 0x7f3eac9b36c0 (LWP 2329) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee8c217cb in thread_worker (v=0x7f3eb4051700) at src/libavutil/slicethread.c:82
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 46 (Thread 0x7f3ea7fff6c0 (LWP 2330) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee8c217cb in thread_worker (v=0x7f3eb4051770) at src/libavutil/slicethread.c:82
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 45 (Thread 0x7f3ea77fe6c0 (LWP 2331) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee8c217cb in thread_worker (v=0x7f3eb40517e0) at src/libavutil/slicethread.c:82
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 44 (Thread 0x7f3ea6ffd6c0 (LWP 2332) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee8c217cb in thread_worker (v=0x7f3eb4051850) at src/libavutil/slicethread.c:82
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 43 (Thread 0x7f3ea67fc6c0 (LWP 2333) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee8c217cb in thread_worker (v=0x7f3eb40518c0) at src/libavutil/slicethread.c:82
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 42 (Thread 0x7f3ea5ffb6c0 (LWP 2334) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee8c217cb in thread_worker (v=0x7f3eb4051930) at src/libavutil/slicethread.c:82
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 41 (Thread 0x7f3ea57fa6c0 (LWP 2335) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee8c217cb in thread_worker (v=0x7f3eb40519a0) at src/libavutil/slicethread.c:82
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 40 (Thread 0x7f3ea2ff56c0 (LWP 2336) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee8c217cb in thread_worker (v=0x7f3eb4070880) at src/libavutil/slicethread.c:82
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 39 (Thread 0x7f3ea27f46c0 (LWP 2337) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee8c217cb in thread_worker (v=0x7f3eb40708f0) at src/libavutil/slicethread.c:82
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 38 (Thread 0x7f3ea1ff36c0 (LWP 2338) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee8c217cb in thread_worker (v=0x7f3eb4070960) at src/libavutil/slicethread.c:82
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 37 (Thread 0x7f3ea17f26c0 (LWP 2339) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee8c217cb in thread_worker (v=0x7f3eb40709d0) at src/libavutil/slicethread.c:82
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 36 (Thread 0x7f3ea0ff16c0 (LWP 2340) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee8c217cb in thread_worker (v=0x7f3eb4070a40) at src/libavutil/slicethread.c:82
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 35 (Thread 0x7f3ea07f06c0 (LWP 2342) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee8c217cb in thread_worker (v=0x7f3eb4070ab0) at src/libavutil/slicethread.c:82
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 34 (Thread 0x7f3e9ffef6c0 (LWP 2343) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee8c217cb in thread_worker (v=0x7f3eb4070b20) at src/libavutil/slicethread.c:82
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 33 (Thread 0x7f3e9f7ee6c0 (LWP 2344) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee8c217cb in thread_worker (v=0x7f3eb4070b90) at src/libavutil/slicethread.c:82
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 32 (Thread 0x7f3e9efed6c0 (LWP 2345) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee8c217cb in thread_worker (v=0x7f3eb4070c00) at src/libavutil/slicethread.c:82
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 31 (Thread 0x7f3e9e7ec6c0 (LWP 2346) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee8c217cb in thread_worker (v=0x7f3eb4070c70) at src/libavutil/slicethread.c:82
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 30 (Thread 0x7f3e9dfeb6c0 (LWP 2347) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee8c217cb in thread_worker (v=0x7f3eb4070ce0) at src/libavutil/slicethread.c:82
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 29 (Thread 0x7f3e9d7ea6c0 (LWP 2348) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee8c217cb in thread_worker (v=0x7f3eb4070d50) at src/libavutil/slicethread.c:82
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 28 (Thread 0x7f3e9cfe96c0 (LWP 2349) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee8c217cb in thread_worker (v=0x7f3eb4070dc0) at src/libavutil/slicethread.c:82
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 27 (Thread 0x7f3e9c7e86c0 (LWP 2350) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee8c217cb in thread_worker (v=0x7f3eb4070e30) at src/libavutil/slicethread.c:82
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 26 (Thread 0x7f3e9bfe76c0 (LWP 2351) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee8c217cb in thread_worker (v=0x7f3eb4070ea0) at src/libavutil/slicethread.c:82
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 25 (Thread 0x7f3e9b7e66c0 (LWP 2352) "Thread (pooled)"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c858f in pthread_cond_timedwait () at /usr/lib64/libc.so.6
#4  0x00007f3eebba9551 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib64/libQt6Core.so.6
#5  0x00007f3eebbd3a2a in ??? () at /usr/lib64/libQt6Core.so.6
#6  0x00007f3eebbc886f in ??? () at /usr/lib64/libQt6Core.so.6
#7  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#8  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 24 (Thread 0x7f3e9afe56c0 (LWP 2353) "Thread (pooled)"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c858f in pthread_cond_timedwait () at /usr/lib64/libc.so.6
#4  0x00007f3eebba9551 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib64/libQt6Core.so.6
#5  0x00007f3eebbd3a2a in ??? () at /usr/lib64/libQt6Core.so.6
#6  0x00007f3eebbc886f in ??? () at /usr/lib64/libQt6Core.so.6
#7  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#8  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 23 (Thread 0x7f3e9a7e46c0 (LWP 2354) "Thread (pooled)"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c858f in pthread_cond_timedwait () at /usr/lib64/libc.so.6
#4  0x00007f3eebba9551 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib64/libQt6Core.so.6
#5  0x00007f3eebbd3a2a in ??? () at /usr/lib64/libQt6Core.so.6
#6  0x00007f3eebbc886f in ??? () at /usr/lib64/libQt6Core.so.6
#7  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#8  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 22 (Thread 0x7f3e989066c0 (LWP 2368) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee51a3a0b in threadpool_thread (pool=0x7f3eb46e1540) at ../x264-4613ac3c15fd75cebc4b9f65b7fb95e70a3acce1/common/threadpool.c:55
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 21 (Thread 0x7f3e8bfff6c0 (LWP 2369) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee51a3a0b in threadpool_thread (pool=0x7f3eb46e1540) at ../x264-4613ac3c15fd75cebc4b9f65b7fb95e70a3acce1/common/threadpool.c:55
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 20 (Thread 0x7f3e8b7fe6c0 (LWP 2370) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee51a3a0b in threadpool_thread (pool=0x7f3eb46e1540) at ../x264-4613ac3c15fd75cebc4b9f65b7fb95e70a3acce1/common/threadpool.c:55
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 19 (Thread 0x7f3e8affd6c0 (LWP 2371) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee51a3a0b in threadpool_thread (pool=0x7f3eb46e1540) at ../x264-4613ac3c15fd75cebc4b9f65b7fb95e70a3acce1/common/threadpool.c:55
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 18 (Thread 0x7f3e8a7fc6c0 (LWP 2372) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee51a3a0b in threadpool_thread (pool=0x7f3eb46e1540) at ../x264-4613ac3c15fd75cebc4b9f65b7fb95e70a3acce1/common/threadpool.c:55
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 17 (Thread 0x7f3e89ffb6c0 (LWP 2373) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee51a3a0b in threadpool_thread (pool=0x7f3eb46e1540) at ../x264-4613ac3c15fd75cebc4b9f65b7fb95e70a3acce1/common/threadpool.c:55
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 16 (Thread 0x7f3e897fa6c0 (LWP 2374) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee51a3a0b in threadpool_thread (pool=0x7f3eb46e1540) at ../x264-4613ac3c15fd75cebc4b9f65b7fb95e70a3acce1/common/threadpool.c:55
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 15 (Thread 0x7f3e88ff96c0 (LWP 2375) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee51a3a0b in threadpool_thread (pool=0x7f3eb46e1540) at ../x264-4613ac3c15fd75cebc4b9f65b7fb95e70a3acce1/common/threadpool.c:55
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 14 (Thread 0x7f3e887f86c0 (LWP 2376) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee51a3a0b in threadpool_thread (pool=0x7f3eb46e1540) at ../x264-4613ac3c15fd75cebc4b9f65b7fb95e70a3acce1/common/threadpool.c:55
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 13 (Thread 0x7f3e87ff76c0 (LWP 2377) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee51a3a0b in threadpool_thread (pool=0x7f3eb46e1540) at ../x264-4613ac3c15fd75cebc4b9f65b7fb95e70a3acce1/common/threadpool.c:55
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 12 (Thread 0x7f3e877f66c0 (LWP 2378) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee51a3a0b in threadpool_thread (pool=0x7f3eb46e1540) at ../x264-4613ac3c15fd75cebc4b9f65b7fb95e70a3acce1/common/threadpool.c:55
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 11 (Thread 0x7f3e86ff56c0 (LWP 2379) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee51a3a0b in threadpool_thread (pool=0x7f3eb46e1540) at ../x264-4613ac3c15fd75cebc4b9f65b7fb95e70a3acce1/common/threadpool.c:55
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 10 (Thread 0x7f3e867f46c0 (LWP 2380) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee51a3a0b in threadpool_thread (pool=0x7f3eb46e1540) at ../x264-4613ac3c15fd75cebc4b9f65b7fb95e70a3acce1/common/threadpool.c:55
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 9 (Thread 0x7f3e85ff36c0 (LWP 2381) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee51a3a0b in threadpool_thread (pool=0x7f3eb46e1540) at ../x264-4613ac3c15fd75cebc4b9f65b7fb95e70a3acce1/common/threadpool.c:55
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 8 (Thread 0x7f3e857f26c0 (LWP 2382) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee51a3a0b in threadpool_thread (pool=0x7f3eb46e1540) at ../x264-4613ac3c15fd75cebc4b9f65b7fb95e70a3acce1/common/threadpool.c:55
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 7 (Thread 0x7f3e84ff16c0 (LWP 2383) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee51a3a0b in threadpool_thread (pool=0x7f3eb46e1540) at ../x264-4613ac3c15fd75cebc4b9f65b7fb95e70a3acce1/common/threadpool.c:55
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 6 (Thread 0x7f3e847f06c0 (LWP 2384) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee51a3a0b in threadpool_thread (pool=0x7f3eb4eb95c0) at ../x264-4613ac3c15fd75cebc4b9f65b7fb95e70a3acce1/common/threadpool.c:55
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 5 (Thread 0x7f3e83fef6c0 (LWP 2385) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee51a3a0b in threadpool_thread (pool=0x7f3eb4eb95c0) at ../x264-4613ac3c15fd75cebc4b9f65b7fb95e70a3acce1/common/threadpool.c:55
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 4 (Thread 0x7f3e837ee6c0 (LWP 2386) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee51a3a0b in threadpool_thread (pool=0x7f3eb4eb95c0) at ../x264-4613ac3c15fd75cebc4b9f65b7fb95e70a3acce1/common/threadpool.c:55
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 3 (Thread 0x7f3e82fed6c0 (LWP 2387) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee51a3a0b in threadpool_thread (pool=0x7f3eb4eb95c0) at ../x264-4613ac3c15fd75cebc4b9f65b7fb95e70a3acce1/common/threadpool.c:55
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 2 (Thread 0x7f3e827ec6c0 (LWP 2388) "PipeWireProduce"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5dac in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb4c83b1 in pthread_cond_wait () at /usr/lib64/libc.so.6
#4  0x00007f3ee51a3a0b in threadpool_thread (pool=0x7f3eb4eb95c0) at ../x264-4613ac3c15fd75cebc4b9f65b7fb95e70a3acce1/common/threadpool.c:55
#5  0x00007f3eeb4c8de4 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f3eeb5497cc in ??? () at /usr/lib64/libc.so.6

Thread 1 (Thread 0x7f3ee1dc6f80 (LWP 2146) "spectacle"):
#1  0x00007f3eeb4c573c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f3eeb4c5781 in ??? () at /usr/lib64/libc.so.6
#3  0x00007f3eeb53cba3 in ppoll () at /usr/lib64/libc.so.6
#4  0x00007f3ee7ebb0fc in ??? () at /usr/lib64/libglib-2.0.so.0
#5  0x00007f3ee7ebb790 in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#6  0x00007f3eeba81b51 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt6Core.so.6
#7  0x00007f3eebcfe7a2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt6Core.so.6
#8  0x00007f3eebcfe943 in QCoreApplication::exec() () at /usr/lib64/libQt6Core.so.6
#9  0x000056017ab7e0ac in ??? ()
#10 0x00007f3eeb45e42e in ??? () at /usr/lib64/libc.so.6
#11 0x00007f3eeb45e4e9 in __libc_start_main () at /usr/lib64/libc.so.6
#12 0x000056017ab7efd5 in ??? ()
[Inferior 1 (process 2146) detached]

Reported using DrKonqi
Comment 1 TraceyC 2025-11-04 20:59:05 UTC
Thank you for the bug report. Unfortunately the backtrace is incomplete and missing debug symbols for the following lines that we need to figure out exactly what's going wrong:

#16 0x00007f3eeba81aa7 in ??? () at /usr/lib64/libQt6Core.so.6

Could you please install debug packages and attach a new symbolicated backtrace generated by using `coredumpctl gdb` in a terminal window? See https://community.kde.org/Guidelines_and_HOWTOs/Debugging/How_to_create_useful_crash_reports#Retrieving_a_backtrace_using_coredumpctl for details about how to do this. Thanks again!
Comment 2 Konstantin Popov 2025-11-05 08:42:10 UTC
Created attachment 186512 [details]
Backtrace 20251105 with debug symbols

New coredump attached, libQt6Core has debug symbols now.
Comment 3 TraceyC 2025-11-05 17:26:16 UTC
Thanks for the new backtrace, that will be useful for the developers. They'll take it from here.


[KCrash Handler]
#7  0x00007f36d47fde96 in end_ebml_master_crc32 (pb=pb@entry=0x7f369c04e540, dyn_cp=dyn_cp@entry=0x7f369e227250, mkv=mkv@entry=0x7f369e227200, id=id@entry=524531317, length_size=length_size@entry=0, keep_buffer=keep_buffer@entry=0, add_seekentry=0) at src/libavformat/matroskaenc.c:789
#8  0x00007f36d4802b23 in mkv_write_trailer (s=0x7f369ceec040) at src/libavformat/matroskaenc.c:3176
#9  0x00007f36d48530ce in av_write_trailer (s=0x7f369ceec040) at src/libavformat/mux.c:1319
#10 0x00007f36dacbde3c in PipeWireRecordProduce::cleanup (this=0x5592ba1dcd40) at /var/tmp/portage/kde-plasma/kpipewire-6.4.5/work/kpipewire-6.4.5/src/pipewirerecord.cpp:201
#11 0x00007f36dacc0e95 in PipeWireProduce::destroy (this=0x5592ba1dcd40) at /var/tmp/portage/kde-plasma/kpipewire-6.4.5/work/kpipewire-6.4.5/src/pipewireproduce.cpp:254
#12 0x00007f36d7a22670 in QObject::event (this=0x5592ba1dcd40, e=0x5592ba3cce40) at /var/tmp/portage/dev-qt/qtbase-6.9.3/work/qtbase-everywhere-src-6.9.3/src/corelib/kernel/qobject.cpp:1432
#13 0x00007f36d9d41806 in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x5592ba1dcd40, e=0x5592ba3cce40) at /var/tmp/portage/dev-qt/qtbase-6.9.3/work/qtbase-everywhere-src-6.9.3/src/widgets/kernel/qapplication.cpp:3300
#14 0x00007f36d7a9fe08 in QCoreApplication::notifyInternal2 (receiver=0x5592ba1dcd40, event=event@entry=0x5592ba3cce40) at /var/tmp/portage/dev-qt/qtbase-6.9.3/work/qtbase-everywhere-src-6.9.3/src/corelib/kernel/qcoreapplication.cpp:1106
#15 0x00007f36d7ac6882 in QCoreApplication::sendEvent (receiver=<optimized out>, event=0x5592ba3cce40) at /var/tmp/portage/dev-qt/qtbase-6.9.3/work/qtbase-everywhere-src-6.9.3/src/corelib/kernel/qcoreapplication.cpp:1546
#16 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x5592ba1083b0) at /var/tmp/portage/dev-qt/qtbase-6.9.3/work/qtbase-everywhere-src-6.9.3/src/corelib/kernel/qcoreapplication.cpp:1891
#17 0x00007f36d7850aa7 in postEventSourceDispatch (s=0x7f369c000f20) at /var/tmp/portage/dev-qt/qtbase-6.9.3/work/qtbase-everywhere-src-6.9.3/src/corelib/kernel/qeventdispatcher_glib.cpp:246
#18 0x00007f36d3c86d13 in ??? () at /usr/lib64/libglib-2.0.so.0
#19 0x00007f36d3c8a027 in ??? () at /usr/lib64/libglib-2.0.so.0
#20 0x00007f36d3c8a790 in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#21 0x00007f36d7850b33 in QEventDispatcherGlib::processEvents (this=0x7f369c000b70, flags=...) at /var/tmp/portage/dev-qt/qtbase-6.9.3/work/qtbase-everywhere-src-6.9.3/src/corelib/kernel/qeventdispatcher_glib.cpp:399
#22 0x00007f36d7acd7a2 in QEventLoop::exec (this=this@entry=0x7f36bf7fd5c0, flags=..., flags@entry=...) at /var/tmp/portage/dev-qt/qtbase-6.9.3/work/qtbase-everywhere-src-6.9.3/src/corelib/global/qflags.h:77
#23 0x00007f36d79fa6de in QThread::exec (this=<optimized out>) at /var/tmp/portage/dev-qt/qtbase-6.9.3/work/qtbase-everywhere-src-6.9.3/src/corelib/global/qflags.h:77
#24 0x00007f36d799786f in operator() (__closure=<optimized out>) at /var/tmp/portage/dev-qt/qtbase-6.9.3/work/qtbase-everywhere-src-6.9.3/src/corelib/thread/qthread_unix.cpp:435
#25 (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=<optimized out>) at /var/tmp/portage/dev-qt/qtbase-6.9.3/work/qtbase-everywhere-src-6.9.3/src/corelib/thread/qthread_unix.cpp:367
#26 QThreadPrivate::start (arg=0x5592ba1357c0) at /var/tmp/portage/dev-qt/qtbase-6.9.3/work/qtbase-everywhere-src-6.9.3/src/corelib/thread/qthread_unix.cpp:395
#27 0x00007f36d7297de4 in ??? () at /usr/lib64/libc.so.6
#28 0x00007f36d73187cc in ??? () at /usr/lib64/libc.so.6