https://bugs.kde.org/show_bug.cgi?id=375105
--- Comment #3 from rооt ---
Application: plasmashell (5.9.90)
Qt Version: 5.7.1
Frameworks Version: 5.31.0
Operating System: Linux config-4.10.0-2-generic x86_64
Distribution: Ubuntu Zesty Zapus (development branch)
-- Information about the crash:
- What I was doing when the application crashed:
Right click on the Panel start icon (KDE icon)
Choose "Alternatives" from the context menu
The crash can be reproduced every time.
-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7ff3bd825900 (LWP 1061))]
Thread 7 (Thread 0x7ff2f13c7700 (LWP 1315)):
#0 0x7ff3b73e310d in poll () at ../sysdeps/unix/syscall-template.S:84
#1 0x7ff3b204da36 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x7ff3b204db4c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x7ff3b7d06eeb in QEventDispatcherGlib::processEvents
(this=0x7ff2ec0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4 0x7ff3b7cb084a in QEventLoop::exec (this=this@entry=0x7ff2f13c6ca0,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5 0x7ff3b7addfe3 in QThread::exec (this=this@entry=0x564bc331ce20) at
thread/qthread.cpp:507
#6 0x7ff3ba9a7df5 in QQmlThreadPrivate::run (this=0x564bc331ce20) at
qml/ftw/qqmlthread.cpp:147
#7 0x7ff3b7ae2c98 in QThreadPrivate::start (arg=0x564bc331ce20) at
thread/qthread_unix.cpp:368
#8 0x7ff3b69856ca in start_thread (arg=0x7ff2f13c7700) at
pthread_create.c:333
#9 0x7ff3b73ef0ff in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
Thread 6 (Thread 0x7ff309998700 (LWP 1141)):
#0 0x7ff3b2093044 in g_mutex_unlock () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1 0x7ff3b204d3d4 in g_main_context_check () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x7ff3b204d9d4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x7ff3b204db4c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x7ff3b7d06eeb in QEventDispatcherGlib::processEvents
(this=0x7ff3040008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5 0x7ff3b7cb084a in QEventLoop::exec (this=this@entry=0x7ff309997c50,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6 0x7ff3b7addfe3 in QThread::exec (this=this@entry=0x564bc01f8cc0) at
thread/qthread.cpp:507
#7 0x7ff3bb52e4c6 in QQuickPixmapReader::run (this=0x564bc01f8cc0) at
util/qquickpixmapcache.cpp:822
#8 0x7ff3b7ae2c98 in QThreadPrivate::start (arg=0x564bc01f8cc0) at
thread/qthread_unix.cpp:368
#9 0x7ff3b69856ca in start_thread (arg=0x7ff309998700) at
pthread_create.c:333
#10 0x7ff3b73ef0ff in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
Thread 5 (Thread 0x7ff393fff700 (LWP 1140)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x7ff3bd1992c4 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2 0x7ff3bd199309 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3 0x7ff3b69856ca in start_thread (arg=0x7ff393fff700) at
pthread_create.c:333
#4 0x7ff3b73ef0ff in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
Thread 4 (Thread 0x7ff399959700 (LWP 1139)):
#0 0x7ff3b73e310d in poll () at ../sysdeps/unix/syscall-template.S:84
#1 0x7ff3b204da36 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x7ff3b204db4c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x7ff3b7d06eeb in QEventDispatcherGlib::processEvents
(this=0x7ff38c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4 0x7ff3b7cb084a in QEventLoop::exec (this=this@entry=0x7ff399958ca0,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5 0x7ff3b7addfe3 in QThread::exec (this=this@entry=0x564bbfd95e10) at
thread/qthread.cpp:507
#6 0x7ff3ba9a7df5 in QQmlThreadPrivate::run (this=0x564bbfd95e10) at
qml/ftw/qqmlthread.cpp:147
#7 0x7ff3b7ae2c98 in QThreadPrivate::start (arg=0x564bbfd95e10) at
thread/qthread_unix.cpp:368
#8 0x7ff3b69856ca in start_thread (arg=0x7ff399959700) at
pthread_create.c:333
#9 0x7ff3b73ef0ff in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
Thread 3 (Thread 0x7ff39b7cb700 (LWP 1138)):
#0 0x7ff3b204db27 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1 0x7ff3b7d06eeb in QEventDispatcherGlib::processEvents
(this=0x7ff3940008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#2 0x7ff3b7cb084a in QEventLoop::exec (this=this@entry=0x7ff39b7caca0,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#3 0x7ff3b7addfe3 in QThread::exec (this=this@entry=0x564bbfd4f4b0) at
thread/qthread.cpp:507
#4 0x7ff3ba9a7df5 in QQmlThreadPrivate::run (this=0x564bbfd4f4b0) at
qml/ftw/qqmlthread.cpp:147
#5 0x7ff3b7ae2
