https://bugs.kde.org/show_bug.cgi?id=432171
Bug ID: 432171
Summary: Crash in EglMultiBackend::beginFrame()
Product: kwin
Version: git master
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
* frame #0: 0x00007f0d9e2f2615 libc.so.6`raise + 325
frame #1: 0x00007f0d9e2db862 libc.so.6`abort + 278
frame #2: 0x00007f0da269a235
libQt5Core.so.5`::qt_message_fatal((null)=QtFatalMsg,
context=0x00007fff87049010, message=0x00007fff87048f00) at qlogging.cpp:1914:15
frame #3: 0x00007f0da26968a0
libQt5Core.so.5`QMessageLogger::fatal(this=0x00007fff87049010, msg="ASSERT:
\"%s\" in file %s, line %d") const at qlogging.cpp:893:21
frame #4: 0x00007f0da268d2d0 libQt5Core.so.5`qt_assert(assertion="backend
!= nullptr",
file="/data/projects/src/kwin/plugins/platforms/drm/egl_multi_backend.cpp",
line=63) at qglobal.cpp:3358:46
frame #5: 0x00007f0d983f42ad
KWinWaylandDrmBackend.so`KWin::EglMultiBackend::beginFrame(this=0x000055fd953c55d0,
screenId=2) at egl_multi_backend.cpp:63:5
frame #6: 0x00007f0d980ba0d9
KWinSceneOpenGL.so`KWin::SceneOpenGL::paint(this=0x000055fd940f5970,
screenId=2, damage=0x00007fff87049350, toplevels=0x00007fff870493d0,
presentTime=(__r = 8664177)) at scene_opengl.cpp:622:26
frame #7: 0x00007f0da1f90c09
libkwin.so.5`KWin::Compositor::handleFrameRequested(this=0x000055fd93e89d20,
renderLoop=0x000055fd93e76690) at composite.cpp:669:14
frame #8: 0x00007f0da1f99b7c
libkwin.so.5`QtPrivate::FunctorCall<QtPrivate::IndexesList<0>,
QtPrivate::List<KWin::RenderLoop*>, void, void
(KWin::Compositor::*)(KWin::RenderLoop*)>::call(f=81 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00, o=0x000055fd93e89d20,
arg=0x00007fff870496d0)(KWin::RenderLoop*), KWin::Compositor*, void**) at
qobjectdefs_impl.h:152:13
frame #9: 0x00007f0da1f99ad8 libkwin.so.5`void
QtPrivate::FunctionPointer<void
(KWin::Compositor::*)(KWin::RenderLoop*)>::call<QtPrivate::List<KWin::RenderLoop*>,
void>(f=81 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00, o=0x000055fd93e89d20,
arg=0x00007fff870496d0)(KWin::RenderLoop*), KWin::Compositor*, void**) at
qobjectdefs_impl.h:185:13
frame #10: 0x00007f0da1f99a05 libkwin.so.5`QtPrivate::QSlotObject<void
(KWin::Compositor::*)(KWin::RenderLoop*), QtPrivate::List<KWin::RenderLoop*>,
void>::impl(which=1, this_=0x000055fd9540c400, r=0x000055fd93e89d20,
a=0x00007fff870496d0, ret=0x0000000000000000) at qobjectdefs_impl.h:418:17
frame #11: 0x00007f0da2930023
libQt5Core.so.5`QtPrivate::QSlotObjectBase::call(this=0x000055fd9540c400,
r=0x000055fd93e89d20, a=0x00007fff870496d0) at qobjectdefs_impl.h:398:57
frame #12: 0x00007f0da297327c libQt5Core.so.5`void
doActivate<false>(sender=0x000055fd93e76690, signal_index=5,
argv=0x00007fff870496d0) at qobject.cpp:3886:30
frame #13: 0x00007f0da296c7dd
libQt5Core.so.5`QMetaObject::activate(sender=0x000055fd93e76690,
m=0x00007f0da23fd700, local_signal_index=2, argv=0x00007fff870496d0) at
qobject.cpp:3946:26
frame #14: 0x00007f0da1f236f6
libkwin.so.5`KWin::RenderLoop::frameRequested(this=0x000055fd93e76690,
_t1=0x000055fd93e76690) at moc_renderloop.cpp:193:5
frame #15: 0x00007f0da20f2dc3
libkwin.so.5`KWin::RenderLoopPrivate::dispatch(this=0x000055fd93f26de0) at
renderloop.cpp:143:13
frame #16: 0x00007f0da20f34f8
libkwin.so.5`KWin::RenderLoopPrivate::RenderLoopPrivate(this=0x000055fd93e76780)::$_0::operator()()
const at renderloop.cpp:30:71
frame #17: 0x00007f0da20f34a6
libkwin.so.5`QtPrivate::FunctorCall<QtPrivate::IndexesList<>,
QtPrivate::List<>, void,
KWin::RenderLoopPrivate::RenderLoopPrivate(KWin::RenderLoop*)::$_0>::call(f=0x000055fd93e76780,
arg=0x00007fff87049960)::$_0&, void**) at qobjectdefs_impl.h:146:13
frame #18: 0x00007f0da20f3471 libkwin.so.5`void
QtPrivate::Functor<KWin::RenderLoopPrivate::RenderLoopPrivate(KWin::RenderLoop*)::$_0,
0>::call<QtPrivate::List<>, void>(f=0x000055fd93e76780,
(null)=0x000055fd93e76690, arg=0x00007fff87049960)::$_0&, void*, void**) at
qobjectdefs_impl.h:256:13
frame #19: 0x00007f0da20f341c
libkwin.so.5`QtPrivate::QFunctorSlotObject<KWin::RenderLoopPrivate::RenderLoopPrivate(KWin::RenderLoop*)::$_0,
0, QtPrivate::List<>, void>::impl(which=1, this_=0x000055fd93e76770,
r=0x000055fd93e76690, a=0x00007fff87049960, ret=0x0000000000000000) at
qobjectdefs_impl.h:443:17
frame #20: 0x00007f0da2930023
libQt5Core.so.5`QtPrivate::QSlotObjectBase::call(this=0x000055fd93e76770,
r=0x000055fd93e76690, a=0x00007fff87049960) at qobjectdefs_impl.h:398:57
frame #21: 0x00007f0da297327c libQt5Core.so.5`void
doActivate<false>(sender=0x000055fd93f26df8, signal_index=3,
argv=0x00007fff87049960) at qobject.cpp:3886:30
frame #22: 0x00007f0da296c7dd
libQt5Core.so.5`QMetaObject::activate(sender=0x000055fd93f26df8,
m=0x00007f0da2d114a0, local_signal_index=0, argv=0x00007fff87049960) at
qobject.cpp:3946:26
frame #23: 0x00007f0da297ec38
libQt5Core.so.5`QTimer::timeout(this=0x000055fd93f26df8, _t1=QPrivateSignal @
0x00007fff87049957) at moc_qtimer.cpp:205:26
frame #24: 0x00007f0da297dbf7
libQt5Core.so.5`QTimer::timerEvent(this=0x000055fd93f26df8,
e=0x00007fff87049f00) at qtimer.cpp:257:21
frame #25: 0x00007f0da2965642
libQt5Core.so.5`QObject::event(this=0x000055fd93f26df8, e=0x00007fff87049f00)
at qobject.cpp:1291:19
frame #26: 0x00007f0d9f34bd3b
libQt5Widgets.so.5`QApplicationPrivate::notify_helper(this=0x000055fd93ccd550,
receiver=0x000055fd93f26df8, e=0x00007fff87049f00) at qapplication.cpp:3632:31
frame #27: 0x00007f0d9f349079
libQt5Widgets.so.5`QApplication::notify(this=0x00007fff8704a918,
receiver=0x000055fd93f26df8, e=0x00007fff87049f00) at qapplication.cpp:2972:31
frame #28: 0x00007f0da291dd31
libQt5Core.so.5`QCoreApplication::notifyInternal2(receiver=0x000055fd93f26df8,
event=0x00007fff87049f00) at qcoreapplication.cpp:1064:24
frame #29: 0x00007f0da291e788
libQt5Core.so.5`QCoreApplication::sendEvent(receiver=0x000055fd93f26df8,
event=0x00007fff87049f00) at qcoreapplication.cpp:1462:27
frame #30: 0x00007f0da29b4ac3
libQt5Core.so.5`QTimerInfoList::activateTimers(this=0x000055fd93cfef48) at
qtimerinfo_unix.cpp:643:40
frame #31: 0x00007f0da29af648
libQt5Core.so.5`QEventDispatcherUNIXPrivate::activateTimers(this=0x000055fd93cfeec0)
at qeventdispatcher_unix.cpp:249:36
frame #32: 0x00007f0da29b0792
libQt5Core.so.5`QEventDispatcherUNIX::processEvents(this=0x000055fd93ce9ab0,
flags=(i = 36)) at qeventdispatcher_unix.cpp:516:37
frame #33: 0x00007f0d99b554a6
KWinQpaPlugin.so`QUnixEventDispatcherQPA::processEvents(this=0x000055fd93ce9ab0,
flags=(i = 36)) at qunixeventdispatcher.cpp:63:67
frame #34: 0x00007f0da291a3e3
libQt5Core.so.5`QEventLoop::processEvents(this=0x00007fff8704a0e0, flags=(i =
36)) at qeventloop.cpp:139:68
frame #35: 0x00007f0da291a745
libQt5Core.so.5`QEventLoop::exec(this=0x00007fff8704a0e0, flags=(i = 0)) at
qeventloop.cpp:232:22
frame #36: 0x00007f0da291e5ca libQt5Core.so.5`QCoreApplication::exec() at
qcoreapplication.cpp:1375:36
frame #37: 0x00007f0da2e66184 libQt5Gui.so.5`QGuiApplication::exec() at
qguiapplication.cpp:1867:34
frame #38: 0x00007f0d9f348a45 libQt5Widgets.so.5`QApplication::exec() at
qapplication.cpp:2824:33
frame #39: 0x000055fd931f5960 kwin_wayland`main(argc=5,
argv=0x00007fff8704ab78) at main_wayland.cpp:782:12
frame #40: 0x00007f0d9e2dd152 libc.so.6`__libc_start_main + 242
frame #41: 0x000055fd931c330e kwin_wayland`_start + 46
This crash happens randomly after changing system settings.
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