https://bugs.kde.org/show_bug.cgi?id=410211
Bug ID: 410211
Summary: plasmashell segmentation fault when running
startplasmacompositor from VT in Fedora Rawhide
Product: plasmashell
Version: 5.16.2
Platform: Fedora RPMs
OS: Linux
Status: REPORTED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: k...@davidedmundson.co.uk
Reporter: matthew.fagn...@utoronto.ca
CC: plasma-b...@kde.org
Target Milestone: 1.0
Application: plasmashell (5.16.2)
Qt Version: 5.12.4
Frameworks Version: 5.59.0
Operating System: Linux 5.3.0-0.rc1.git1.1.fc31.x86_64 x86_64
Distribution (Platform): Fedora RPMs
-- Information about the crash:
- What I was doing when the application crashed:
I booted into the Fedora Rawhide/31 KDE Plasma spin image
Fedora-KDE-Live-x86_64-Rawhide-20190724.n.0.iso at
https://koji.fedoraproject.org/koji/buildinfo?buildID=1319740
I ran sudo dnf install x*amd* kwin*way* pla*way*
kwayland-integration-5.16.2-1.fc31.x86_64
kwin-wayland-5.16.2-1.fc31.x86_64
plasma-workspace-wayland-5.16.2-2.fc31.x86_64
xorg-x11-drv-amdgpu-19.0.1-1.fc31.x86_64
xorg-x11-server-Xwayland-1.20.5-5.fc31.x86_64
I logged out of Plasma. I switched to VT2 when I ran sudo systemctl restart
sddm.
Plasma on X logged in automatically but Plasma froze on the splash screen. I
ran sudo systemctl stop sddm in VT2. I ran startplasmacompositor & from VT2.
Plasma on Wayland started, but drkonqi showed this segmentation fault in
plasmashell. I installed the plasma-workspaces and qt5-qtbase debugging rpms. I
haven't seen this crash before when doing similar steps to start Plasma on
Wayland.
The crash can be reproduced sometimes.
-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f4a48b7dd00 (LWP 3462))]
Thread 2 (Thread 0x7f4a359f6700 (LWP 3721)):
#0 0x00007f4a466fd79f in poll () from /lib64/libc.so.6
#1 0x00007f4a453102ee in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#2 0x00007f4a45310423 in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#3 0x00007f4a46c90bd3 in QEventDispatcherGlib::processEvents
(this=0x7f4a300018e0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4 0x00007f4a46c3a9db in QEventLoop::exec (this=this@entry=0x7f4a359f5cf0,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#5 0x00007f4a46a93625 in QThread::exec (this=this@entry=0x7f4a4752a060
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#6 0x00007f4a474a6f4a in QDBusConnectionManager::run (this=0x7f4a4752a060
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
qdbusconnection.cpp:178
#7 0x00007f4a46a94776 in QThreadPrivate::start (arg=0x7f4a4752a060 <(anonymous
namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread_unix.cpp:361
#8 0x00007f4a45ef04e2 in start_thread () from /lib64/libpthread.so.0
#9 0x00007f4a46708333 in clone () from /lib64/libc.so.6
Thread 1 (Thread 0x7f4a48b7dd00 (LWP 3462)):
[KCrash Handler]
#5 ScreenPool::ScreenPool (this=0x55f81a24adb0, config=..., parent=<optimized
out>) at
/usr/src/debug/plasma-workspace-5.16.2-2.fc31.x86_64/shell/screenpool.cpp:48
#6 0x000055f8198ba860 in ShellCorona::ShellCorona (this=0x55f81a21ff50,
parent=<optimized out>) at /usr/include/qt5/QtCore/qarraydata.h:257
#7 0x000055f8198c7b9f in ShellManager::loadHandlers (this=0x7f4a3000b050) at
/usr/src/debug/plasma-workspace-5.16.2-2.fc31.x86_64/shell/shellmanager.cpp:93
#8 0x000055f81988f5a5 in ShellManager::qt_static_metacall (_o=<optimized out>,
_id=<optimized out>, _a=<optimized out>, _c=<optimized out>) at
/usr/src/debug/plasma-workspace-5.16.2-2.fc31.x86_64/x86_64-redhat-linux-gnu/shell/plasmashell_autogen/EWIEGA46WW/moc_shellmanager.cpp:104
#9 0x00007f4a46c66bda in QObject::event (this=0x7f4a3000b050, e=<optimized
out>) at kernel/qobject.cpp:1260
#10 0x00007f4a47736af6 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib64/libQt5Widgets.so.5
#11 0x00007f4a4773fe80 in QApplication::notify(QObject*, QEvent*) () from
/lib64/libQt5Widgets.so.5
#12 0x00007f4a46c3bad8 in QCoreApplication::notifyInternal2
(receiver=0x7f4a3000b050, event=0x55f81a1dd8f0) at
kernel/qcoreapplication.cpp:1084
#13 0x00007f4a46c3ea7b in QCoreApplicationPrivate::sendPostedEvents
(receiver=0x0, event_type=0, data=0x55f81a100b90) at
kernel/qcoreapplication.cpp:1821
#14 0x00007f4a46c90e27 in postEventSourceDispatch (s=0x55f81a1d2fc0) at
kernel/qeventdispatcher_glib.cpp:276
#15 0x00007f4a4530ffed in g_main_context_dispatch () from
/lib64/libglib-2.0.so.0
#16 0x00007f4a45310380 in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#17 0x00007f4a45310423 in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#18 0x00007f4a46c90bb5 in QEventDispatcherGlib::processEvents
(this=0x55f81a1b1360, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#19 0x00007f4a46c3a9db in QEventLoop::exec (this=this@entry=0x7ffe296ad0d0,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#20 0x00007f4a46c42706 in QCoreApplication::exec () at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#21 0x000055f81988e7e4 in main (argc=<optimized out>, argv=<optimized out>) at
/usr/src/debug/plasma-workspace-5.16.2-2.fc31.x86_64/shell/main.cpp:215
[Inferior 1 (process 3462) detached]
Reported using DrKonqi
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