https://bugs.kde.org/show_bug.cgi?id=414083
Bug ID: 414083
Summary: Plasma crashes after login
Product: plasmashell
Version: 5.16.5
Platform: Ubuntu Packages
OS: Linux
Status: REPORTED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: k...@davidedmundson.co.uk
Reporter: ajiv...@gmail.com
CC: plasma-b...@kde.org
Target Milestone: 1.0
Application: plasmashell (5.16.5)
Qt Version: 5.12.4
Frameworks Version: 5.62.0
Operating System: Linux 5.3.0-22-generic x86_64
Distribution: Ubuntu 19.10
-- Information about the crash:
After login I get a black screen and nothing responds after I get the message
that KDE plasma has crashed. Applications that were previously open before
problem occured still opened.
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 0x7f8fd340a880 (LWP 1262))]
Thread 8 (Thread 0x7f8fb65de700 (LWP 1514)):
#0 0x00007fffa0baf933 in clock_gettime ()
#1 0x00007f8fd992b12b in __GI___clock_gettime (clock_id=1, tp=0x7f8fb65ddb00)
at ../sysdeps/unix/sysv/linux/clock_gettime.c:33
#2 0x00007f8fd9eb6f85 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3 0x00007f8fd9eb582d in QTimerInfoList::updateCurrentTime() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f8fd9eb7e65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f8fd8389471 in g_main_context_check () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6 0x00007f8fd83899e2 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#7 0x00007f8fd8389b73 in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#8 0x00007f8fd9eb76c3 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9 0x00007f8fd9e5e63b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f8fd9c97a75 in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f8fd9c98cc2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f8fd911b669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#13 0x00007f8fd991d323 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 7 (Thread 0x7f8fb6de5700 (LWP 1513)):
#0 0x00007fffa0baf933 in clock_gettime ()
#1 0x00007f8fd992b12b in __GI___clock_gettime (clock_id=1, tp=0x7f8fb6de4a50)
at ../sysdeps/unix/sysv/linux/clock_gettime.c:33
#2 0x00007f8fd9eb6f85 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3 0x00007f8fd9eb582d in QTimerInfoList::updateCurrentTime() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f8fd9eb5e09 in QTimerInfoList::timerWait(timespec&) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f8fd9eb7416 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007f8fd8388fbf in g_main_context_prepare () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#7 0x00007f8fd838996b in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#8 0x00007f8fd8389b73 in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#9 0x00007f8fd9eb76c3 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f8fd9e5e63b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f8fd9c97a75 in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f8fb75d101c in KCupsConnection::run() () from
/usr/lib/x86_64-linux-gnu/libkcupslib.so
#13 0x00007f8fd9c98cc2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f8fd911b669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#15 0x00007f8fd991d323 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 6 (Thread 0x7f8fbec29700 (LWP 1487)):
#0 futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x561b87027e34) at ../sysdeps/unix/sysv/linux/futex-internal.h:80
#1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x561b87027de0,
cond=0x561b87027e08) at pthread_cond_wait.c:508
#2 __pthread_cond_wait (cond=0x561b87027e08, mutex=0x561b87027de0) at
pthread_cond_wait.c:638
#3 0x00007f8fd9c9edef in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f8fd9c9eee1 in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f8fdbab77b9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6 0x00007f8fdbab7a1a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7 0x00007f8fd9c98cc2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8 0x00007f8fd911b669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#9 0x00007f8fd991d323 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 5 (Thread 0x7f8fbf8a0700 (LWP 1484)):
#0 0x00007f8fd83d5c3d in g_mutex_lock () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1 0x00007f8fd83895fa in g_main_context_dispatch () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f8fd8389ad0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f8fd8389b73 in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007f8fd9eb76c3 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f8fd9e5e63b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007f8fd9c97a75 in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f8fdba2f8aa in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8 0x00007f8fd9c98cc2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9 0x00007f8fd911b669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#10 0x00007f8fd991d323 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 4 (Thread 0x7f8fcbfff700 (LWP 1426)):
#0 0x00007f8fd8389594 in g_main_context_check () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1 0x00007f8fd83899e2 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f8fd8389b73 in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f8fd9eb76c3 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f8fd9e5e63b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f8fd9c97a75 in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007f8fdb75a319 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7 0x00007f8fd9c98cc2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8 0x00007f8fd911b669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#9 0x00007f8fd991d323 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 3 (Thread 0x7f8fd1782700 (LWP 1294)):
#0 0x00007f8fd8386594 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1 0x00007f8fd8387c14 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f8fd838938f in g_main_context_check () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f8fd83899e2 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007f8fd8389b73 in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5 0x00007f8fd9eb76c3 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007f8fd9e5e63b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f8fd9c97a75 in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8 0x00007f8fda77cefa in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#9 0x00007f8fd9c98cc2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f8fd911b669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#11 0x00007f8fd991d323 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 2 (Thread 0x7f8fd25a6700 (LWP 1272)):
#0 0x00007f8fd9910c2f in __GI___poll (fds=0x7f8fd25a5c28, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007f8fdbeae917 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2 0x00007f8fdbeb053a in xcb_wait_for_event () from
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3 0x00007f8fd2d5c288 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4 0x00007f8fd9c98cc2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f8fd911b669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#6 0x00007f8fd991d323 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 1 (Thread 0x7f8fd340a880 (LWP 1262)):
[KCrash Handler]
#6 0x00007f8fb75f073a in JobModel::updateJob(int, KCupsJob const&) () from
/usr/lib/x86_64-linux-gnu/libkcupslib.so
#7 0x00007f8fb75f27e8 in JobModel::insertJob(int, KCupsJob const&) () from
/usr/lib/x86_64-linux-gnu/libkcupslib.so
#8 0x00007f8fb75f2ca9 in JobModel::getJobFinished(KCupsRequest*) () from
/usr/lib/x86_64-linux-gnu/libkcupslib.so
#9 0x00007f8fd9e8beba in QObject::event(QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f8fda9fba86 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#11 0x00007f8fdaa04e00 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#12 0x00007f8fd9e5fa9a in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f8fd9e62718 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f8fd9eb80a7 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f8fd838984d in g_main_context_dispatch () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#16 0x00007f8fd8389ad0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#17 0x00007f8fd8389b73 in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#18 0x00007f8fd9eb76a5 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007f8fd9e5e63b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007f8fd9e663a6 in QCoreApplication::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x0000561b851be774 in ?? ()
#22 0x00007f8fd98221e3 in __libc_start_main (main=0x561b851bdc20, argc=1,
argv=0x7fffa0b53408, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7fffa0b533f8) at ../csu/libc-start.c:308
#23 0x0000561b851bebfe in _start ()
[Inferior 1 (process 1262) detached]
Possible duplicates by query: bug 413909, bug 412269, bug 411870, bug 410847,
bug 410570.
Reported using DrKonqi
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