[ksplash] [Bug 427582] New: Crash on Wayland with systemdBoot=true

Thiago Sueto bugzilla_noreply at kde.org
Mon Oct 12 11:30:20 BST 2020 

https://bugs.kde.org/show_bug.cgi?id=427582

            Bug ID: 427582
           Summary: Crash on Wayland with systemdBoot=true
           Product: ksplash
           Version: 5.19.90
          Platform: openSUSE RPMs
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: herzenschein at gmail.com
  Target Milestone: ---

Created attachment 132294
  --> https://bugs.kde.org/attachment.cgi?id=132294&action=edit
Full screenshot of ksplash before crash

This crash:
- Is Wayland specific (doesn't occur on Xorg)
- Occurs only with systemdBoot enabled (commenting it makes the bug disappear,
no issue with dimensions)
- Is not always reproducible (sometimes ksplashqml finishes properly, despite
its dimensions on the screen)
- Seems to imply another issue with ksplash not recognizing monitor resolutions
(see attachment)
- Shows a Wayland window opening after login only with systemdBoot enabled (I
mentioned about this to d_ed)


Application: ksplashqml (ksplashqml), signal: Segmentation fault

[New LWP 1945]
[New LWP 1946]
[New LWP 1947]
[New LWP 1948]
[New LWP 1949]
[New LWP 1950]
[New LWP 1951]
[New LWP 1958]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
0x00007f74a0533082 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
[Current thread is 1 (Thread 0x7f749e37d840 (LWP 1940))]

Thread 9 (Thread 0x7f7473fff640 (LWP 1958)):
[KCrash Handler]
#4  0x00007f749b3ee01d in update_buffers
(dri2_surf=dri2_surf at entry=0x7f746c0051c0) at
../src/egl/drivers/dri2/platform_wayland.c:675
#5  0x00007f749b3ee584 in image_get_buffers (driDrawable=<optimized out>,
format=<optimized out>, stamp=<optimized out>, loaderPrivate=0x7f746c0051c0,
buffer_mask=<optimized out>, buffers=0x7f7473ffded0) at
../src/egl/drivers/dri2/platform_wayland.c:810
#6  0x00007f749ae64756 in intel_update_image_buffers (drawable=0x55fa6acb9800,
brw=0x55fa6b1b8170) at ../src/mesa/drivers/dri/i965/brw_context.c:1896
#7  intel_update_renderbuffers.isra.0 (drawable=0x55fa6acb9800,
context=<optimized out>, context=<optimized out>) at
../src/mesa/drivers/dri/i965/brw_context.c:1523
#8  0x00007f749a632d06 in intel_prepare_render (brw=0x55fa6b1b8170) at
../src/mesa/drivers/dri/i965/brw_context.c:1544
#9  0x00007f749a61d411 in brw_clear (ctx=0x55fa6b1b8170, mask=50) at
../src/mesa/drivers/dri/i965/brw_clear.c:257
#10 0x00007f74a21b02c7 in QSGBatchRenderer::Renderer::renderBatches
(this=this at entry=0x7f746c006f10) at
/usr/src/debug/libqt5-qtdeclarative-5.15.1-ku.2.1.x86_64/include/QtQuick/5.15.1/QtQuick/private/../../../../../src/quick/scenegraph/coreapi/qsgrenderer_p.h:131
#11 0x00007f74a21b0bd2 in QSGBatchRenderer::Renderer::render (this=<optimized
out>) at
/usr/src/debug/libqt5-qtdeclarative-5.15.1-ku.2.1.x86_64/src/quick/scenegraph/coreapi/qsgbatchrenderer.cpp:4363
#12 0x00007f74a2199270 in QSGRenderer::renderScene (bindable=...,
this=0x7f746c006f10) at
/usr/src/debug/libqt5-qtdeclarative-5.15.1-ku.2.1.x86_64/src/quick/scenegraph/coreapi/qsgrenderer.cpp:264
#13 QSGRenderer::renderScene (this=0x7f746c006f10, bindable=...) at
/usr/src/debug/libqt5-qtdeclarative-5.15.1-ku.2.1.x86_64/src/quick/scenegraph/coreapi/qsgrenderer.cpp:220
#14 0x00007f74a2199743 in QSGRenderer::renderScene (this=<optimized out>,
fboId=<optimized out>) at
/usr/src/debug/libqt5-qtdeclarative-5.15.1-ku.2.1.x86_64/src/quick/scenegraph/coreapi/qsgrenderer.cpp:212
#15 0x00007f74a21f88d3 in QSGDefaultRenderContext::renderNextFrame
(this=0x55fa6ac80a60, renderer=0x7f746c006f10, fboId=<optimized out>) at
/usr/src/debug/libqt5-qtdeclarative-5.15.1-ku.2.1.x86_64/src/quick/scenegraph/qsgdefaultrendercontext.cpp:228
#16 0x00007f74a22624d9 in QQuickWindowPrivate::renderSceneGraph
(this=0x55fa6abf81d0, size=..., surfaceSize=...) at
/usr/src/debug/libqt5-qtdeclarative-5.15.1-ku.2.1.x86_64/src/quick/items/qquickwindow.cpp:617
#17 0x00007f74a220664d in QSGRenderThread::syncAndRender (this=0x55fa6ac6f390,
grabImage=0x0) at /usr/include/qt5/QtGui/5.15.1/QtGui/private/qrhi_p.h:1259
#18 0x00007f74a2206fa7 in QSGRenderThread::run (this=0x55fa6ac6f390) at
/usr/src/debug/libqt5-qtdeclarative-5.15.1-ku.2.1.x86_64/src/quick/scenegraph/qsgthreadedrenderloop.cpp:1043
#19 0x00007f74a12ea911 in QThreadPrivate::start (arg=0x55fa6ac6f390) at
thread/qthread_unix.cpp:329
#20 0x00007f74a052ceb1 in start_thread () from /lib64/libpthread.so.0
#21 0x00007f74a0f6bccf in clone () from /lib64/libc.so.6

Thread 8 (Thread 0x7f747aefa640 (LWP 1951)):
#0  0x00007f74a0533082 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f74a12f092b in QWaitConditionPrivate::wait (deadline=...,
deadline=..., this=0x55fa6ac8fa90) at thread/qwaitcondition_unix.cpp:146
#2  QWaitCondition::wait (this=this at entry=0x55fa6ac6eca8,
mutex=mutex at entry=0x55fa6ac6eca0, deadline=...) at
thread/qwaitcondition_unix.cpp:225
#3  0x00007f74a2204b57 in QSGRenderThreadEventQueue::takeEvent (wait=true,
this=0x55fa6ac6ec98) at /usr/include/qt5/QtCore/qdeadlinetimer.h:68
#4  QSGRenderThread::processEventsAndWaitForMore
(this=this at entry=0x55fa6ac6ec00) at
/usr/src/debug/libqt5-qtdeclarative-5.15.1-ku.2.1.x86_64/src/quick/scenegraph/qsgthreadedrenderloop.cpp:936
#5  0x00007f74a2206fe9 in QSGRenderThread::run (this=0x55fa6ac6ec00) at
/usr/src/debug/libqt5-qtdeclarative-5.15.1-ku.2.1.x86_64/src/quick/scenegraph/qsgthreadedrenderloop.cpp:1053
#6  0x00007f74a12ea911 in QThreadPrivate::start (arg=0x55fa6ac6ec00) at
thread/qthread_unix.cpp:329
#7  0x00007f74a052ceb1 in start_thread () from /lib64/libpthread.so.0
#8  0x00007f74a0f6bccf in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7f7483fff640 (LWP 1950)):
#0  0x00007f74a0f60e7f in poll () from /lib64/libc.so.6
#1  0x00007f749f2e05ee in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f749f2e070f in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007f74a15215cb in QEventDispatcherGlib::processEvents
(this=0x7f747c000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f74a14c8a1b in QEventLoop::exec (this=this at entry=0x7f7483ffeca0,
flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#5  0x00007f74a12e97ce in QThread::exec (this=this at entry=0x55fa6a922770) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#6  0x00007f74a0cf32d5 in QQmlThreadPrivate::run (this=0x55fa6a922770) at
/usr/src/debug/libqt5-qtdeclarative-5.15.1-ku.2.1.x86_64/src/qml/qml/ftw/qqmlthread.cpp:155
#7  0x00007f74a12ea911 in QThreadPrivate::start (arg=0x55fa6a922770) at
thread/qthread_unix.cpp:329
#8  0x00007f74a052ceb1 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f74a0f6bccf in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7f7498b44640 (LWP 1949)):
#0  0x00007f74a0533082 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f749aa288fb in cnd_wait (mtx=0x55fa6a93f4c8, cond=0x55fa6a93f4f0) at
../include/c11/threads_posix.h:155
#2  util_queue_thread_func (input=input at entry=0x55fa6a976380) at
../src/util/u_queue.c:275
#3  0x00007f749aa27c67 in impl_thrd_routine (p=<optimized out>) at
../include/c11/threads_posix.h:87
#4  0x00007f74a052ceb1 in start_thread () from /lib64/libpthread.so.0
#5  0x00007f74a0f6bccf in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7f7499345640 (LWP 1948)):
#0  0x00007f74a0533082 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f749aa288fb in cnd_wait (mtx=0x55fa6a93f4c8, cond=0x55fa6a93f4f0) at
../include/c11/threads_posix.h:155
#2  util_queue_thread_func (input=input at entry=0x55fa6a9761a0) at
../src/util/u_queue.c:275
#3  0x00007f749aa27c67 in impl_thrd_routine (p=<optimized out>) at
../include/c11/threads_posix.h:87
#4  0x00007f74a052ceb1 in start_thread () from /lib64/libpthread.so.0
#5  0x00007f74a0f6bccf in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f7499b46640 (LWP 1947)):
#0  0x00007f74a0533082 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f749aa288fb in cnd_wait (mtx=0x55fa6a93f4c8, cond=0x55fa6a93f4f0) at
../include/c11/threads_posix.h:155
#2  util_queue_thread_func (input=input at entry=0x55fa6a9761e0) at
../src/util/u_queue.c:275
#3  0x00007f749aa27c67 in impl_thrd_routine (p=<optimized out>) at
../include/c11/threads_posix.h:87
#4  0x00007f74a052ceb1 in start_thread () from /lib64/libpthread.so.0
#5  0x00007f74a0f6bccf in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f749a347640 (LWP 1946)):
#0  0x00007f74a0533082 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f749aa288fb in cnd_wait (mtx=0x55fa6a93f4c8, cond=0x55fa6a93f4f0) at
../include/c11/threads_posix.h:155
#2  util_queue_thread_func (input=input at entry=0x55fa6a976200) at
../src/util/u_queue.c:275
#3  0x00007f749aa27c67 in impl_thrd_routine (p=<optimized out>) at
../include/c11/threads_posix.h:87
#4  0x00007f74a052ceb1 in start_thread () from /lib64/libpthread.so.0
#5  0x00007f74a0f6bccf in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f749bc45640 (LWP 1945)):
#0  0x00007f74a0f60e7f in poll () from /lib64/libc.so.6
#1  0x00007f749f2e05ee in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f749f2e070f in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007f74a15215cb in QEventDispatcherGlib::processEvents
(this=0x7f7494000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f74a14c8a1b in QEventLoop::exec (this=this at entry=0x7f749bc44c70,
flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#5  0x00007f74a12e97ce in QThread::exec (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#6  0x00007f74a1f06a27 in ?? () from /usr/lib64/libQt5DBus.so.5
#7  0x00007f74a12ea911 in QThreadPrivate::start (arg=0x7f74a1f73d80) at
thread/qthread_unix.cpp:329
#8  0x00007f74a052ceb1 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f74a0f6bccf in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f749e37d840 (LWP 1940)):
#0  0x00007f74a0533082 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f74a12f092b in QWaitConditionPrivate::wait (deadline=...,
deadline=..., this=0x55fa6acf76e0) at thread/qwaitcondition_unix.cpp:146
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x55fa6ac6f3e8,
deadline=...) at thread/qwaitcondition_unix.cpp:225
#3  0x00007f74a22078ae in QSGThreadedRenderLoop::handleObscurity
(this=0x55fa6aab9170, w=0x55fa6ac27b50) at
/usr/include/qt5/QtCore/qdeadlinetimer.h:68
#4  0x00007f74a220889e in QSGThreadedRenderLoop::hide (this=0x55fa6aab9170,
window=0x55fa6aca3f50) at /usr/include/qt5/QtCore/qlist.h:570
#5  0x00007f74a1918655 in QWindow::event(QEvent*) () from
/usr/lib64/libQt5Gui.so.5
#6  0x00007f74a14ca05a in QCoreApplication::notifyInternal2
(receiver=0x55fa6aca3f50, event=0x7fff94d37330) at
../../include/QtCore/5.15.1/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325
#7  0x00007f74a191822e in QWindowPrivate::setVisible(bool) () from
/usr/lib64/libQt5Gui.so.5
#8  0x00007f74a1917689 in QWindowPrivate::destroy() () from
/usr/lib64/libQt5Gui.so.5
#9  0x00007f74a1918710 in QWindow::event(QEvent*) () from
/usr/lib64/libQt5Gui.so.5
#10 0x00007f74a14ca05a in QCoreApplication::notifyInternal2
(receiver=0x55fa6aca3f50, event=0x7fff94d374d0) at
../../include/QtCore/5.15.1/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325
#11 0x00007f74a190915d in
QGuiApplicationPrivate::processCloseEvent(QWindowSystemInterfacePrivate::CloseEvent*)
() from /usr/lib64/libQt5Gui.so.5
#12 0x00007f74a18e2a95 in bool
QWindowSystemInterfacePrivate::handleWindowSystemEvent<QWindowSystemInterface::SynchronousDelivery>(QWindowSystemInterfacePrivate::WindowSystemEvent*)
() from /usr/lib64/libQt5Gui.so.5
#13 0x00007f74a15045f2 in QtPrivate::QSlotObjectBase::call (a=0x7fff94d37530,
r=<optimized out>, this=<optimized out>) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#14 QSingleShotTimer::timerEvent (this=0x55fa6ac6da80) at kernel/qtimer.cpp:320
#15 0x00007f74a14f5fcf in QObject::event (this=0x55fa6ac6da80,
e=0x7fff94d37660) at kernel/qobject.cpp:1291
#16 0x00007f74a14ca05a in QCoreApplication::notifyInternal2
(receiver=0x55fa6ac6da80, event=0x7fff94d37660) at
../../include/QtCore/5.15.1/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325
#17 0x00007f74a1520973 in QTimerInfoList::activateTimers (this=0x55fa6a965c30)
at kernel/qtimerinfo_unix.cpp:643
#18 0x00007f74a15211f4 in timerSourceDispatch (source=<optimized out>) at
kernel/qeventdispatcher_glib.cpp:183
#19 0x00007f749f2e02d7 in g_main_context_dispatch () from
/usr/lib64/libglib-2.0.so.0
#20 0x00007f749f2e0658 in ?? () from /usr/lib64/libglib-2.0.so.0
#21 0x00007f749f2e070f in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#22 0x00007f74a15215af in QEventDispatcherGlib::processEvents
(this=0x55fa6a9643f0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#23 0x00007f74a14c8a1b in QEventLoop::exec (this=this at entry=0x7fff94d378a0,
flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#24 0x00007f74a14d0c90 in QCoreApplication::exec () at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#25 0x000055fa69497c52 in main (argc=<optimized out>, argv=<optimized out>) at
/usr/src/debug/plasma5-workspace-5.20.80git.20201011T170646~3c7d853d0-ku.4.1.x86_64/ksplash/ksplashqml/main.cpp:72
[Inferior 1 (process 1940) detached]

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