Bug 512991

Created attachment 187372 [details]
New crash information added by DrKonqi

DrKonqi auto-attaching complete backtrace.

Full backtrace of the crashing thread:

Thread 1 (Thread 0x76ddc838be00 (LWP 1809)):
[KCrash Handler]
#6  QtWebEngineCore::ContentClientQt::SetGpuInfo () at /workspace/build/src/core/content_client_qt.cpp:528
#7  0x000076dd0c78465d in content::GpuDataManagerImplPrivate::UpdateGpuInfo () at ../../../../../src/3rdparty/chromium/content/browser/gpu/gpu_data_manager_impl_private.cc:1051
#8  0x000076dd0c77c8bf in content::GpuDataManagerImpl::UpdateGpuInfo () at ../../../../../src/3rdparty/chromium/content/browser/gpu/gpu_data_manager_impl.cc:168
#9  0x000076dd0c79237c in content::GpuProcessHost::DidInitialize () at ../../../../../src/3rdparty/chromium/content/browser/gpu/gpu_process_host.cc:988
#10 0x000076dd101bb51c in viz::GpuHostImpl::DidInitialize () at ./../../../../../src/3rdparty/chromium/components/viz/host/gpu_host_impl.cc:498
#11 0x000076dd0abfa052 in viz::mojom::GpuHostStubDispatch::Accept () at ./gen/services/viz/privileged/mojom/gl/gpu_host.mojom.cc:1297
#12 0x000076dd0ec6adeb in mojo::InterfaceEndpointClient::HandleValidatedMessage () at ../../../../../src/3rdparty/chromium/mojo/public/cpp/bindings/lib/interface_endpoint_client.cc:1052
#13 0x000076dd0ec6c7a6 in mojo::MessageDispatcher::Accept () at ../../../../../src/3rdparty/chromium/mojo/public/cpp/bindings/lib/message_dispatcher.cc:43
#14 0x000076dd0ec6aaa2 in mojo::InterfaceEndpointClient::HandleIncomingMessage () at ../../../../../src/3rdparty/chromium/mojo/public/cpp/bindings/lib/interface_endpoint_client.cc:724
#15 0x000076dd0ec6fff0 in mojo::internal::MultiplexRouter::ProcessIncomingMessage () at ../../../../../src/3rdparty/chromium/mojo/public/cpp/bindings/lib/multiplex_router.cc:1121
#16 0x000076dd0ec73754 in mojo::internal::MultiplexRouter::Accept () at ../../../../../src/3rdparty/chromium/mojo/public/cpp/bindings/lib/multiplex_router.cc:734
#17 0x000076dd0ec6c7a6 in mojo::MessageDispatcher::Accept () at ../../../../../src/3rdparty/chromium/mojo/public/cpp/bindings/lib/message_dispatcher.cc:43
#18 0x000076dd0ec6225e in mojo::Connector::DispatchMessage () at ../../../../../src/3rdparty/chromium/mojo/public/cpp/bindings/lib/connector.cc:562
#19 0x000076dd0ec62e86 in mojo::Connector::ReadAllAvailableMessages () at ../../../../../src/3rdparty/chromium/mojo/public/cpp/bindings/lib/connector.cc:620
#20 0x000076dd0ec62fe2 in mojo::Connector::OnHandleReadyInternal () at ../../../../../src/3rdparty/chromium/mojo/public/cpp/bindings/lib/connector.cc:452
#21 mojo::Connector::OnWatcherHandleReady () at ../../../../../src/3rdparty/chromium/mojo/public/cpp/bindings/lib/connector.cc:418
#22 0x000076dd0ab78452 in base::RepeatingCallback<void (unsigned int)>::Run(unsigned int) const & () at ../../../../../src/3rdparty/chromium/base/functional/callback.h:344
#23 mojo::SimpleWatcher::DiscardReadyState(base::RepeatingCallback<void (unsigned int)> const&, unsigned int, mojo::HandleSignalsState const&) () at ../../../../../src/3rdparty/chromium/mojo/public/cpp/system/simple_watcher.h:192
#24 0x000076dd0ec8a815 in base::RepeatingCallback<void (unsigned int, mojo::HandleSignalsState const&)>::Run(unsigned int, mojo::HandleSignalsState const&) const & () at ../../../../../src/3rdparty/chromium/base/functional/callback.h:344
#25 mojo::SimpleWatcher::OnHandleReady () at ../../../../../src/3rdparty/chromium/mojo/public/cpp/system/simple_watcher.cc:278
#26 0x000076dd0e082882 in base::OnceCallback<void ()>::Run() && () at ../../../../../src/3rdparty/chromium/base/functional/callback.h:156
#27 base::TaskAnnotator::RunTaskImpl () at ./../../../../../src/3rdparty/chromium/base/task/common/task_annotator.cc:209
#28 0x000076dd0e0a83bd in RunTask<base::sequence_manager::internal::ThreadControllerWithMessagePumpImpl::DoWorkImpl(base::LazyNow*)::<lambda(perfetto::EventContext&)> > () at ../../../../../src/3rdparty/chromium/base/task/common/task_annotator.h:106
#29 base::sequence_manager::internal::ThreadControllerWithMessagePumpImpl::DoWorkImpl () at ./../../../../../src/3rdparty/chromium/base/task/sequence_manager/thread_controller_with_message_pump_impl.cc:456
#30 0x000076dd0e0a93eb in base::sequence_manager::internal::ThreadControllerWithMessagePumpImpl::DoWork () at ./../../../../../src/3rdparty/chromium/base/task/sequence_manager/thread_controller_with_message_pump_impl.cc:330
#31 0x000076dd09549d72 in QtWebEngineCore::MessagePumpForUIQt::handleScheduledWork () at /workspace/build/src/core/browser_main_parts_qt.cpp:154
#32 QtWebEngineCore::MessagePumpForUIQt::MessagePumpForUIQt()::{lambda()#1}::operator()() const () at /workspace/build/src/core/browser_main_parts_qt.cpp:107
#33 std::__invoke_impl<void, QtWebEngineCore::MessagePumpForUIQt::MessagePumpForUIQt()::{lambda()#1}&>(std::__invoke_other, QtWebEngineCore::MessagePumpForUIQt::MessagePumpForUIQt()::{lambda()#1}&) () at /usr/include/c++/13/bits/invoke.h:61
#34 std::__invoke_r<void, QtWebEngineCore::MessagePumpForUIQt::MessagePumpForUIQt()::{lambda()#1}&>(QtWebEngineCore::MessagePumpForUIQt::MessagePumpForUIQt()::{lambda()#1}&) () at /usr/include/c++/13/bits/invoke.h:111
#35 std::_Function_handler<void (), QtWebEngineCore::MessagePumpForUIQt::MessagePumpForUIQt()::{lambda()#1}>::_M_invoke(std::_Any_data const&) () at /usr/include/c++/13/bits/std_function.h:290
#36 0x000076ddcf632d8e in QObject::event (this=0x5981e590dde0, e=0x76dc904c0310) at /usr/src/qt6-base-6.10.1-0zneon+24.04+noble+release+build144/src/corelib/kernel/qobject.cpp:1388
#37 0x000076ddd1c3d68d in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x5981e590dde0, e=0x76dc904c0310) at /usr/src/qt6-base-6.10.1-0zneon+24.04+noble+release+build144/src/widgets/kernel/qapplication.cpp:3305
#38 0x000076ddcf6d6ec0 in QCoreApplication::notifyInternal2 (receiver=0x5981e590dde0, event=0x76dc904c0310) at /usr/src/qt6-base-6.10.1-0zneon+24.04+noble+release+build144/src/corelib/kernel/qcoreapplication.cpp:1109
#39 0x000076ddcf6d6f0d in QCoreApplication::sendEvent (receiver=<optimized out>, event=<optimized out>) at /usr/src/qt6-base-6.10.1-0zneon+24.04+noble+release+build144/src/corelib/kernel/qcoreapplication.cpp:1549
#40 0x000076ddcf6d7191 in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x5981e4229610) at /usr/src/qt6-base-6.10.1-0zneon+24.04+noble+release+build144/src/corelib/kernel/qcoreapplication.cpp:1904
#41 0x000076ddcf48852f in postEventSourceDispatch (s=0x5981e4299a60) at /usr/src/qt6-base-6.10.1-0zneon+24.04+noble+release+build144/src/corelib/kernel/qeventdispatcher_glib.cpp:246
#42 0x000076ddcde085c5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#43 0x000076ddcde67737 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#44 0x000076ddcde07a63 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#45 0x000076ddcf486fef in QEventDispatcherGlib::processEvents (this=0x5981e422fe50, flags=...) at /usr/src/qt6-base-6.10.1-0zneon+24.04+noble+release+build144/src/corelib/kernel/qeventdispatcher_glib.cpp:399
#46 0x000076ddcf6e14e3 in QEventLoop::exec (this=0x7ffcf73a0bd0, flags=...) at /usr/src/qt6-base-6.10.1-0zneon+24.04+noble+release+build144/src/corelib/global/qflags.h:77
#47 0x000076ddcf6db62f in QCoreApplication::exec () at /usr/src/qt6-base-6.10.1-0zneon+24.04+noble+release+build144/src/corelib/global/qflags.h:77
#48 0x00005981c0c14338 in main (argc=<optimized out>, argv=<optimized out>) at /usr/src/plasma-workspace-4:6.5.3-0zneon+24.04+noble+release+build67/shell/main.cpp:188

Reported using DrKonqi

I don't see any KDE code implicated in the backtrace. It looks like it's all in QtWebEngine. So either a Qt regression, or a distro integration regression. Moving to Neon.

This is https://qt-project.atlassian.net/browse/QTBUG-142497