musescore
[MU4 Issue] No audio backend causes SIGSEGV (crash) on Linux.
If no audio backend, click anywhere on the staff, causes SIGSEGV (crash) on Linux.
Create a new score, click on the staff.
Stacktrace:
Thread 1 "mscore" received signal SIGSEGV, Segmentation fault. mu::playback::PlaybackController::seek (this=0x555558adddd0, tick=0) at src/playback/internal/playbackcontroller.cpp:157 157 playback()->player()->seek(m_currentSequenceId, tickToMsecs(tick)); (gdb) ba #0 mu::playback::PlaybackController::seek (this=0x555558adddd0, tick=0) at src/playback/internal/playbackcontroller.cpp:157 #1 0x00005555565d77e7 in mu::playback::PlaybackController::seekElement (this=0x555558adddd0, element=0x555560050160) at src/playback/internal/playbackcontroller.cpp:237 #2 0x000055555634d35f in mu::notation::NotationViewInputController::mousePressEvent (this=0x55555e6b6ac0, event=0x7fffffffd6e0) at src/notation/view/notationviewinputcontroller.cpp:524 #3 0x0000555556346671 in mu::notation::NotationPaintView::mousePressEvent (this=0x55555e6b6480, event=0x7fffffffd6e0) at src/notation/view/notationpaintview.cpp:906 #4 0x00007ffff7ac2388 in QQuickItem::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #5 0x0000555556346cdf in mu::notation::NotationPaintView::event (this=0x55555e6b6480, event=0x7fffffffd6e0) at src/notation/view/notationpaintview.cpp:986 #6 0x00007ffff68d115f in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #7 0x00007ffff5e0efca in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007ffff7adcc56 in QQuickWindowPrivate::deliverMatchingPointsToItem(QQuickItem*, QQuickPointerEvent*, bool) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #9 0x00007ffff7addce7 in QQuickWindowPrivate::deliverPressOrReleaseEvent(QQuickPointerEvent*, bool) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #10 0x00007ffff7ade5ed in QQuickWindowPrivate::deliverMouseEvent(QQuickPointerMouseEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #11 0x00007ffff7adf64b in QQuickWindowPrivate::deliverPointerEvent(QQuickPointerEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #12 0x00007ffff61f57e5 in QWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5 #13 0x00007ffff68d115f in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #14 0x00007ffff5e0efca in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #15 0x00007ffff61e9583 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5 #16 0x00007ffff61bf64c in QWindowSystemInterface::sendWindowSystemEvents(QFlagsQEventLoop::ProcessEventsFlag) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5 #17 0x00007ffff27017da in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5 #18 0x00007ffff4af1e6b in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #19 0x00007ffff4af2118 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #20 0x00007ffff4af21cf in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #21 0x00007ffff5e6651f in QEventDispatcherGlib::processEvents(QFlagsQEventLoop::ProcessEventsFlag) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #22 0x00007ffff5e0d98b in QEventLoop::exec(QFlagsQEventLoop::ProcessEventsFlag) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #23 0x00007ffff5e15c00 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #24 0x0000555555eca3d8 in mu::appshell::AppShell::run (this=0x7fffffffe0e0, argc=1, argv=0x7fffffffe518) at src/appshell/appshell.cpp:237 #25 0x0000555555740b21 in main (argc=1, argv=0x7fffffffe518) at src/main/main.cpp:321
Alternative stacktrace: Thread 1 "mscore" received signal SIGSEGV, Segmentation fault. 0x00005555565d840c in mu::playback::PlaybackController::onSelectionChanged (this=0x555558adddd0) at src/playback/internal/playbackcontroller.cpp:336 336 playback()->player()->resetLoop(m_currentSequenceId); (gdb) ba #0 0x00005555565d840c in mu::playback::PlaybackController::onSelectionChanged (this=0x555558adddd0) at src/playback/internal/playbackcontroller.cpp:336 #1 0x00005555565d7eaf in operator() (__closure=0x55555db95048) at src/playback/internal/playbackcontroller.cpp:315 #2 0x00005555565fac69 in std::__invoke_impl<void, mu::playback::PlaybackController::onNotationChanged()::<lambda()>&>(std::__invoke_other, struct {...} &) (__f=...) at /usr/include/c++/10/bits/invoke.h:60 #3 0x00005555565fa0b4 in std::__invoke<mu::playback::PlaybackController::onNotationChanged()::<lambda()>&>(struct {...} &) (__fn=...) at /usr/include/c++/10/bits/invoke.h:95 #4 0x00005555565f7b24 in std::__apply_impl<mu::playback::PlaybackController::onNotationChanged()::<lambda()>&, std::tuple<> >(struct {...} &, std::tuple<> &&, std::index_sequence) ( __f=..., __t=...) at /usr/include/c++/10/tuple:1723 #5 0x00005555565f7b5e in std::apply<mu::playback::PlaybackController::onNotationChanged()::<lambda()>&, std::tuple<> >(struct {...} &, std::tuple<> &&) (__f=..., __t=...) at /usr/include/c++/10/tuple:1734 #6 0x00005555565f7b9e in deto::async::Channel<>::ReceiveCall<mu::playback::PlaybackController::onNotationChanged()::<lambda()> >::received(const deto::async::NotifyData &) ( this=0x55555db95040, d=...) at src/framework/global/thirdparty/deto_async/async/channel.h:80 #7 0x0000555555850655 in deto::async::Channel<>::ChannelInvoker::doInvoke(int, void*, deto::async::NotifyData const&) (this=0x55555daf05d0, callKey=1, call=0x55555db95040, d=...) at src/framework/global/thirdparty/deto_async/async/channel.h:126 #8 0x000055555577c214 in deto::async::AbstractInvoker::invokeCallback (this=0x55555daf05d0, type=1, c=..., data=...) at src/framework/global/thirdparty/deto_async/async/internal/abstractinvoker.cpp:61 #9 0x000055555577c011 in deto::async::AbstractInvoker::invoke (this=0x55555daf05d0, type=1, data=...) at src/framework/global/thirdparty/deto_async/async/internal/abstractinvoker.cpp:44 #10 0x00005555558296e6 in deto::async::Channel<>::send() (this=0x55555daefee8) at src/framework/global/thirdparty/deto_async/async/channel.h:32 #11 0x00005555558257b8 in deto::async::Notification::notify (this=0x55555daefee8) at src/framework/global/thirdparty/deto_async/async/notification.h:14 #12 0x000055555639a053 in mu::notation::NotationInteraction::notifyAboutSelectionChangedIfNeed (this=0x55555daefe20) at src/notation/internal/notationinteraction.cpp:255 #13 0x000055555639cff8 in mu::notation::NotationInteraction::select (this=0x55555daefe20, elements=std::vector of length 1, capacity 1 = {...}, type=mu::engraving::SelectType::SINGLE, staffIndex=0) at src/notation/internal/notationinteraction.cpp:682 #14 0x000055555634d11d in mu::notation::NotationViewInputController::mousePressEvent (this=0x55555ec6cd00, event=0x7fffffffd6e0) at src/notation/view/notationviewinputcontroller.cpp:517 #15 0x0000555556346671 in mu::notation::NotationPaintView::mousePressEvent (this=0x55555ec6c6c0, event=0x7fffffffd6e0) at src/notation/view/notationpaintview.cpp:906 #16 0x00007ffff7ac2388 in QQuickItem::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
@lyrra This comment here: https://github.com/musescore/MuseScore/issues/10433#issuecomment-1263330016 suggests that this issue might have been resolved too. Could you re-check?
