https://bugs.kde.org/show_bug.cgi?id=404130
Bug ID: 404130
Summary: Plasmashell crashes on every login
Product: plasmashell
Version: 5.13.5
Platform: Ubuntu Packages
OS: Linux
Status: REPORTED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: k...@davidedmundson.co.uk
Reporter: d...@decent.cz
CC: plasma-b...@kde.org
Target Milestone: 1.0
Application: plasmashell (5.13.5)
Qt Version: 5.11.1
Frameworks Version: 5.50.0
Operating System: Linux 4.18.0-15-generic x86_64
Distribution: Ubuntu 18.10
-- Information about the crash:
- What I was doing when the application crashed:
Just logged in.
Plasmashell crashes and restarts on login everytime. It started with upgrade
to Kubuntu 18.04. Plasmashell was cycling in crash-restart loops on every
login. When I was inspecting console output after manual plasmashell restart,
and searching the web for a fix, I found several people having the same issue.
No solution yet. Some people mentioned Nvidia dual head setups, like I have,
some not.
I upgraded to Kubuntu 18.10 as one person reported the problem is gone.
Unfortunately, that wasn't my case and the problem persisted without any
change. I tried to create a test user account. No crashes under fresh account.
OK, I removed .config/plasma-org.kde.plasma.desktop-appletsrc under my original
account and the problem was gone. I added only one Folder View applet to the
desktop and three more to the panel. I was having more applets back then.
Everything was OK for a few days but now it started crashing once one every log
in. There are no further crashes. Never and there never was.
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 0x7f4f259e4840 (LWP 3454))]
Thread 10 (Thread 0x7f4e71ea4700 (LWP 4167)):
#0 0x00007f4f2bda72eb in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x5614573b7e14) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1 0x00007f4f2bda72eb in __pthread_cond_wait_common (abstime=0x0,
mutex=0x5614573b7dc0, cond=0x5614573b7de8) at pthread_cond_wait.c:502
#2 0x00007f4f2bda72eb in __pthread_cond_wait (cond=0x5614573b7de8,
mutex=0x5614573b7dc0) at pthread_cond_wait.c:655
#3 0x00007f4f2c23843b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f4f2de79279 in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5 0x00007f4f2de794da in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6 0x00007f4f2c237c87 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f4f2bda1164 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#8 0x00007f4f2bf1bdef in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 9 (Thread 0x7f4e78c19700 (LWP 4091)):
#0 0x00007f4f295d3509 in g_mutex_lock () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1 0x00007f4f2958cf58 in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f4f2c43215b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3 0x00007f4f2c3df16b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f4f2c22e0b6 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f4e79bc08b7 in KCupsConnection::run() () at
/usr/lib/x86_64-linux-gnu/libkcupslib.so
#6 0x00007f4f2c237c87 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f4f2bda1164 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#8 0x00007f4f2bf1bdef in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 8 (Thread 0x7f4e7bfff700 (LWP 3956)):
#0 0x00007f4f2bda72eb in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x56145605aa64) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1 0x00007f4f2bda72eb in __pthread_cond_wait_common (abstime=0x0,
mutex=0x56145605aa10, cond=0x56145605aa38) at pthread_cond_wait.c:502
#2 0x00007f4f2bda72eb in __pthread_cond_wait (cond=0x56145605aa38,
mutex=0x56145605aa10) at pthread_cond_wait.c:655
#3 0x00007f4f2c23843b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f4f2de79279 in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5 0x00007f4f2de794da in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6 0x00007f4f2c237c87 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f4f2bda1164 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#8 0x00007f4f2bf1bdef in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 7 (Thread 0x7f4e87bff700 (LWP 3773)):
#0 0x00007f4f2bf0af64 in __GI___libc_read (fd=34, buf=0x7f4e87bfeb00,
nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:26
#1 0x00007f4f295d2180 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f4f2958c91f in g_main_context_check () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f4f2958cdf0 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007f4f2958cf6c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5 0x00007f4f2c43215b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007f4f2c3df16b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f4f2c22e0b6 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8 0x00007f4f2ddfa396 in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#9 0x00007f4f2c237c87 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f4f2bda1164 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#11 0x00007f4f2bf1bdef in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 6 (Thread 0x7f4e8ea5a700 (LWP 3645)):
#0 0x00007f4f2bda72eb in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x561455d9ecb0) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1 0x00007f4f2bda72eb in __pthread_cond_wait_common (abstime=0x0,
mutex=0x561455d9ec60, cond=0x561455d9ec88) at pthread_cond_wait.c:502
#2 0x00007f4f2bda72eb in __pthread_cond_wait (cond=0x561455d9ec88,
mutex=0x561455d9ec60) at pthread_cond_wait.c:655
#3 0x00007f4f2c23843b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f4f2de79279 in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5 0x00007f4f2de794da in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6 0x00007f4f2c237c87 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f4f2bda1164 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#8 0x00007f4f2bf1bdef in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 5 (Thread 0x7f4f20a08700 (LWP 3547)):
#0 0x00007f4f2bda72eb in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7f4f2e83efb8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1 0x00007f4f2bda72eb in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f4f2e83ef68, cond=0x7f4f2e83ef90) at pthread_cond_wait.c:502
#2 0x00007f4f2bda72eb in __pthread_cond_wait (cond=0x7f4f2e83ef90,
mutex=0x7f4f2e83ef68) at pthread_cond_wait.c:655
#3 0x00007f4f2e747e2a in () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4 0x00007f4f2e747e49 in () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5 0x00007f4f2bda1164 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#6 0x00007f4f2bf1bdef in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 4 (Thread 0x7f4f21efe700 (LWP 3536)):
#0 0x00007f4f2bf0f6d9 in __GI___poll (fds=0x7f4f18004a00, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007f4f2958ce46 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f4f2958cf6c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f4f2c43215b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f4f2c3df16b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f4f2c22e0b6 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007f4f2db751f5 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7 0x00007f4f2c237c87 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8 0x00007f4f2bda1164 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#9 0x00007f4f2bf1bdef in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 3 (Thread 0x7f4f23152700 (LWP 3494)):
#0 0x00007f4f2bf0f6d9 in __GI___poll (fds=0x7f4f14004db0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007f4f2958ce46 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f4f2958cf6c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f4f2c43215b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f4f2c3df16b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f4f2c22e0b6 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007f4f2d57a545 in () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7 0x00007f4f2c237c87 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8 0x00007f4f2bda1164 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#9 0x00007f4f2bf1bdef in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 2 (Thread 0x7f4f2411e700 (LWP 3477)):
#0 0x00007f4f2bf0f6d9 in __GI___poll (fds=0x7f4f2411dc78, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007f4f2e245917 in () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2 0x00007f4f2e24753a in xcb_wait_for_event () at
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3 0x00007f4f25096159 in () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4 0x00007f4f2c237c87 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f4f2bda1164 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#6 0x00007f4f2bf1bdef in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 1 (Thread 0x7f4f259e4840 (LWP 3454)):
[KCrash Handler]
#6 0x00007f4f2ddb8c06 in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7 0x00007f4f2c409f92 in QObject::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8 0x00007f4f2ce7c4a1 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#9 0x00007f4f2ce83ae0 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#10 0x00007f4f2c3e0499 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f4f2c3e348b in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f4f2c432b23 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f4f2958cc3e in g_main_context_dispatch () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#14 0x00007f4f2958ced8 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#15 0x00007f4f2958cf6c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#16 0x00007f4f2c432143 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007f4f25127e51 in () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#18 0x00007f4f2c3df16b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007f4f2c3e72e2 in QCoreApplication::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x000056145412c32b in ()
#21 0x00007f4f2be2509b in __libc_start_main (main=0x56145412b820, argc=1,
argv=0x7ffc80986018, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffc80986008) at ../csu/libc-start.c:308
#22 0x000056145412c77a in _start ()
[Inferior 1 (process 3454) detached]
Reported using DrKonqi
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