https://bugs.kde.org/show_bug.cgi?id=383681
--- Comment #3 from Jerrod Frost <piroisl...@gmail.com> ---
jcfrosty@CtrlZ ~ $ sudo coredumpctl gdb /usr/lib64/libexec/kscreenlocker_greet
PID: 4124 (kscreenlocker_g)
UID: 1002 (jcfrosty)
GID: 1003 (jcfrosty)
Signal: 11 (SEGV)
Timestamp: Fri 2017-08-18 22:53:22 CDT (13h ago)
Command Line: /usr/lib64/libexec/kscreenlocker_greet --testing
Executable: /usr/lib64/libexec/kscreenlocker_greet
Control Group: /user.slice/user-1002.slice/session-1.scope
Unit: session-1.scope
Slice: user-1002.slice
Session: 1
Owner UID: 1002 (jcfrosty)
Boot ID: 09af5c1a0b714138a3c9edf3caff684f
Machine ID: f812d2ab6856476f95d56e868635927b
Hostname: CtrlZ
Storage:
/var/lib/systemd/coredump/core.kscreenlocker_g.1002.09af5c1a0b714138a3c9edf3caff684f.4124.1503114802000000.lz4
Message: Process 4124 (kscreenlocker_g) of user 1002 dumped core.
GNU gdb (Gentoo 7.12.1 vanilla) 7.12.1
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Reading symbols from /usr/lib64/libexec/kscreenlocker_greet...Reading symbols
from /usr/lib64/debug//usr/lib64/libexec/kscreenlocker_greet.debug...(no
debugging symbols found)...done.
(no debugging symbols found)...done.
warning: core file may not match specified executable file.
[New LWP 4124]
[New LWP 4127]
[New LWP 4128]
[New LWP 4131]
[New LWP 4132]
[New LWP 4135]
[New LWP 4125]
[New LWP 4129]
[New LWP 4130]
[New LWP 4134]
[New LWP 4133]
Core was generated by `/usr/lib64/libexec/kscreenlocker_greet --testing'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x00007f6fee2f732b in ?? ()
[Current thread is 1 (LWP 4124)]
warning: File "/home/jcfrosty/.gdbinit" auto-loading has been declined by your
`auto-load safe-path' set to "$debugdir:$datadir/auto-load".
To enable execution of this file add
add-auto-load-safe-path /home/jcfrosty/.gdbinit
line to your configuration file "/root/.gdbinit".
To completely disable this security protection add
set auto-load safe-path /
line to your configuration file "/root/.gdbinit".
For more information about this security protection see the
"Auto-loading safe path" section in the GDB manual. E.g., run from the shell:
info "(gdb)Auto-loading safe path"
(gdb) run --testing
Starting program: /usr/lib64/libexec/kscreenlocker_greet --testing
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
[New Thread 0x7fffe5b12700 (LWP 25109)]
QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root'
[New Thread 0x7fffd5343700 (LWP 25111)]
[New Thread 0x7fffd4a01700 (LWP 25112)]
[New Thread 0x7fffd3ffb700 (LWP 25113)]
[New Thread 0x7fffd37fa700 (LWP 25114)]
[New Thread 0x7fffd2ff9700 (LWP 25115)]
[New Thread 0x7fffd27f8700 (LWP 25116)]
[New Thread 0x7fffd1ff7700 (LWP 25117)]
[New Thread 0x7fffd17f6700 (LWP 25118)]
[Thread 0x7fffd17f6700 (LWP 25118) exited]
[New Thread 0x7fffd17f6700 (LWP 25119)]
[New Thread 0x7fffd0ff5700 (LWP 25125)]
QObject: Cannot create children for a parent that is in a different thread.
(Parent is ScreenLocker::UnlockApp(0x7fffffffe170), parent's thread is
QThread(0x622450), current thread is QThread(0x699cf0)
QObject::installEventFilter(): Cannot filter events for objects in a different
thread.
QObject: Cannot create children for a parent that is in a different thread.
(Parent is ScreenLocker::UnlockApp(0x7fffffffe170), parent's thread is
QThread(0x622450), current thread is QThread(0x699cf0)
org.kde.kcoreaddons: Failed to establish shared memory mapping, will fallback
to private memory -- memory usage will increase
QObject: Cannot create children for a parent that is in a different thread.
(Parent is ScreenLocker::UnlockApp(0x7fffffffe170), parent's thread is
QThread(0x622450), current thread is QThread(0x699cf0)
QObject::installEventFilter(): Cannot filter events for objects in a different
thread.
No metadata file in the package, expected it at: "/usr/share/backgrounds/"
No metadata file in the package, expected it at: "/usr/share/backgrounds/"
No metadata file in the package, expected it at: "/usr/share/backgrounds/"
[New Thread 0x7fffc235e700 (LWP 25126)]
No metadata file in the package, expected it at: "/usr/share/backgrounds/"
No metadata file in the package, expected it at: "/usr/share/backgrounds/"
No metadata file in the package, expected it at: "/usr/share/backgrounds/"
No metadata file in the package, expected it at: "/usr/share/backgrounds/"
No metadata file in the package, expected it at: "/usr/share/backgrounds/"
No metadata file in the package, expected it at: "/usr/share/backgrounds/"
No metadata file in the package, expected it at: "/usr/share/backgrounds/"
No metadata file in the package, expected it at: "/usr/share/backgrounds/"
No metadata file in the package, expected it at: "/usr/share/backgrounds/"
No metadata file in the package, expected it at: "/usr/share/backgrounds/"
No metadata file in the package, expected it at: "/usr/share/backgrounds/"
No metadata file in the package, expected it at: "/usr/share/backgrounds/"
No metadata file in the package, expected it at: "/usr/share/backgrounds/"
No metadata file in the package, expected it at: "/usr/share/backgrounds/"
No metadata file in the package, expected it at: "/usr/share/backgrounds/"
No metadata file in the package, expected it at: "/usr/share/backgrounds/"
No metadata file in the package, expected it at: "/usr/share/backgrounds/"
No metadata file in the package, expected it at: "/usr/share/backgrounds/"
Locked at 1503162656
No metadata file in the package, expected it at: "/usr/share/backgrounds/"
No metadata file in the package, expected it at: "/usr/share/backgrounds/"
No metadata file in the package, expected it at: "/usr/share/backgrounds/"
No metadata file in the package, expected it at: "/usr/share/backgrounds/"
No metadata file in the package, expected it at: "/usr/share/backgrounds/"
No metadata file in the package, expected it at: "/usr/share/backgrounds/"
No metadata file in the package, expected it at: "/usr/share/backgrounds/"
No metadata file in the package, expected it at: "/usr/share/backgrounds/"
No metadata file in the package, expected it at: "/usr/share/backgrounds/"
No metadata file in the package, expected it at: "/usr/share/backgrounds/"
No metadata file in the package, expected it at: "/usr/share/backgrounds/"
No metadata file in the package, expected it at: "/usr/share/backgrounds/"
No metadata file in the package, expected it at: "/usr/share/backgrounds/"
No metadata file in the package, expected it at: "/usr/share/backgrounds/"
No metadata file in the package, expected it at: "/usr/share/backgrounds/"
No metadata file in the package, expected it at: "/usr/share/backgrounds/"
No metadata file in the package, expected it at: "/usr/share/backgrounds/"
No metadata file in the package, expected it at: "/usr/share/backgrounds/"
No metadata file in the package, expected it at: "/usr/share/backgrounds/"
No metadata file in the package, expected it at: "/usr/share/backgrounds/"
No metadata file in the package, expected it at: "/usr/share/backgrounds/"
No metadata file in the package, expected it at: "/usr/share/backgrounds/"
No metadata file in the package, expected it at: "/usr/share/backgrounds/"
No metadata file in the package, expected it at: "/usr/share/backgrounds/"
[New Thread 0x7fffc0fd6700 (LWP 25127)]
Thread 1 "kscreenlocker_g" received signal SIGSEGV, Segmentation fault.
0x00007fffdf3c6697 in st_update_framebuffer_state () from
/usr/lib64/dri/radeonsi_dri.so
(gdb) backtrace
#0 0x00007fffdf3c6697 in st_update_framebuffer_state () from
/usr/lib64/dri/radeonsi_dri.so
#1 0x00007fffdf3c544c in st_validate_state () from
/usr/lib64/dri/radeonsi_dri.so
#2 0x00007fffdf3ccbec in st_Clear () from /usr/lib64/dri/radeonsi_dri.so
#3 0x00007ffff5f24da6 in QSGBatchRenderer::Renderer::renderBatches() () from
/usr/lib64/libQt5Quick.so.5
#4 0x00007ffff5f2a889 in QSGBatchRenderer::Renderer::render() () from
/usr/lib64/libQt5Quick.so.5
#5 0x00007ffff5f35e8c in QSGRenderer::renderScene(QSGBindable const&) () from
/usr/lib64/libQt5Quick.so.5
#6 0x00007ffff5f3650b in QSGRenderer::renderScene(unsigned int) () from
/usr/lib64/libQt5Quick.so.5
#7 0x00007ffff5f4577e in QSGRenderContext::renderNextFrame(QSGRenderer*,
unsigned int) () from /usr/lib64/libQt5Quick.so.5
#8 0x00007ffff5f8d8bd in QQuickWindowPrivate::renderSceneGraph(QSize const&)
() from /usr/lib64/libQt5Quick.so.5
#9 0x00007ffff5f5be26 in ?? () from /usr/lib64/libQt5Quick.so.5
#10 0x00007ffff5f5ce10 in ?? () from /usr/lib64/libQt5Quick.so.5
#11 0x00007ffff54f1bca in QWindow::event(QEvent*) () from
/usr/lib64/libQt5Gui.so.5
#12 0x00007ffff5f98a75 in QQuickWindow::event(QEvent*) () from
/usr/lib64/libQt5Quick.so.5
#13 0x00007ffff51bb975 in ?? () from /usr/lib64/libQt5Core.so.5
#14 0x00007ffff51bbad8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib64/libQt5Core.so.5
#15 0x00007ffff54e7f39 in
QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*)
()
from /usr/lib64/libQt5Gui.so.5
#16 0x00007ffff54e8a5d in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
()
from /usr/lib64/libQt5Gui.so.5
#17 0x00007ffff54caad3 in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
()
from /usr/lib64/libQt5Gui.so.5
#18 0x00007fffe7e9de80 in ?? () from /usr/lib64/libQt5XcbQpa.so.5
#19 0x00007ffff0d9185d in g_main_context_dispatch () from
/usr/lib64/libglib-2.0.so.0
#20 0x00007ffff0d91b08 in ?? () from /usr/lib64/libglib-2.0.so.0
#21 0x00007ffff0d91bac in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#22 0x00007ffff5203b07 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib64/libQt5Core.so.5
#23 0x00007ffff51ba89a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/libQt5Core.so.5
#24 0x00007ffff51c1f6d in QCoreApplication::exec() () from
/usr/lib64/libQt5Core.so.5
#25 0x000000000040982d in main ()
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