Bug 388939

Summary:	plasmashell 5.11.5 segfaults every couple of minutes
Product:	[Plasma] plasmashell	Reporter:	Denis M. (Phr33d0m) <god>
Component:	general	Assignee:	David Edmundson <kde>
Status:	RESOLVED DUPLICATE
Severity:	crash	CC:	arojas, paul, plasma-bugs
Priority:	NOR	Keywords:	drkonqi
Version:	5.11.5
Target Milestone:	1.0
Platform:	Arch Linux
OS:	Linux
Latest Commit:		Version Fixed In:
Sentry Crash Report:
Attachments:	Backtrace with debug symbols

Description Denis M. (Phr33d0m) 2018-01-14 02:50:12 UTC

Application: plasmashell (5.11.5)

Qt Version: 5.10.0
Frameworks Version: 5.41.0
Operating System: Linux 4.14.13-1-ARCH x86_64
Distribution: "Arch Linux"

-- Information about the crash:
- What I was doing when the application crashed:
It does not matter if I'm working with my computer or watching it accross the hall. It just crashes every couple of minutes with a segfault.

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7ffff7f7b800 (LWP 1073))]

Thread 13 (Thread 0x7ffefbdef700 (LWP 1698)):
#0  0x00007ffff0d0b39d in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007ffff1b5100c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007ffff59929ca in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007ffff5992e54 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007ffff1b4fb2d in  () at /usr/lib/libQt5Core.so.5
#5  0x00007ffff0d0508c in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007ffff1457e1f in clone () at /usr/lib/libc.so.6

Thread 12 (Thread 0x7fff1497e700 (LWP 1697)):
#0  0x00007ffff0d0b39d in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007ffff1b5100c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007ffff59929ca in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007ffff5992e54 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007ffff1b4fb2d in  () at /usr/lib/libQt5Core.so.5
#5  0x00007ffff0d0508c in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007ffff1457e1f in clone () at /usr/lib/libc.so.6

Thread 11 (Thread 0x7fff1566c700 (LWP 1602)):
#0  0x00007ffff0d0b39d in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007ffff1b5100c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007ffff59929ca in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007ffff5992e54 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007ffff1b4fb2d in  () at /usr/lib/libQt5Core.so.5
#5  0x00007ffff0d0508c in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007ffff1457e1f in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7fff1733a700 (LWP 1586)):
#0  0x00007ffff0d0b39d in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007ffff1b5100c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007ffff59929ca in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007ffff5992e54 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007ffff1b4fb2d in  () at /usr/lib/libQt5Core.so.5
#5  0x00007ffff0d0508c in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007ffff1457e1f in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7fff1dd78700 (LWP 1562)):
#0  0x00007ffff1d98283 in  () at /usr/lib/libQt5Core.so.5
#1  0x00007fffebcf8579 in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#2  0x00007fffebcf8f7e in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007fffebcf916e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007ffff1d986b4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007ffff1d3a82b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007ffff1b4a78e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007ffff1b4fb2d in  () at /usr/lib/libQt5Core.so.5
#8  0x00007ffff0d0508c in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007ffff1457e1f in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7fff305a5700 (LWP 1359)):
#0  0x00007ffff7ffa969 in  ()
#1  0x00007ffff7ffac20 in clock_gettime ()
#2  0x00007ffff14656e6 in clock_gettime () at /usr/lib/libc.so.6
#3  0x00007ffff1d97fa2 in  () at /usr/lib/libQt5Core.so.5
#4  0x00007ffff1d9673a in QTimerInfoList::updateCurrentTime() () at /usr/lib/libQt5Core.so.5
#5  0x00007ffff1d96d16 in QTimerInfoList::timerWait(timespec&) () at /usr/lib/libQt5Core.so.5
#6  0x00007ffff1d983ff in  () at /usr/lib/libQt5Core.so.5
#7  0x00007fffebcf8579 in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#8  0x00007fffebcf8f7e in  () at /usr/lib/libglib-2.0.so.0
#9  0x00007fffebcf916e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#10 0x00007ffff1d986b4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#11 0x00007ffff1d3a82b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#12 0x00007ffff1b4a78e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#13 0x00007ffff1b4fb2d in  () at /usr/lib/libQt5Core.so.5
#14 0x00007ffff0d0508c in start_thread () at /usr/lib/libpthread.so.0
#15 0x00007ffff1457e1f in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7fff40e24700 (LWP 1337)):
#0  0x00007ffff0d0b39d in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007ffff1b5100c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007ffff59929ca in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007ffff5992e54 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007ffff1b4fb2d in  () at /usr/lib/libQt5Core.so.5
#5  0x00007ffff0d0508c in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007ffff1457e1f in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7fff420b2700 (LWP 1332)):
#0  0x00007ffff144d91b in poll () at /usr/lib/libc.so.6
#1  0x00007fffebcf9053 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fffebcf916e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007ffff1d986b4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007ffff1d3a82b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007ffff1b4a78e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007ffff5910bcb in  () at /usr/lib/libQt5Quick.so.5
#7  0x00007ffff1b4fb2d in  () at /usr/lib/libQt5Core.so.5
#8  0x00007ffff0d0508c in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007ffff1457e1f in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7fffd1b50700 (LWP 1275)):
#0  0x00007ffff0d0b39d in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007ffff7661f77 in  () at /usr/lib/libQt5Script.so.5
#2  0x00007ffff7661fb9 in  () at /usr/lib/libQt5Script.so.5
#3  0x00007ffff0d0508c in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007ffff1457e1f in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7fffd3bb3700 (LWP 1211)):
#0  0x00007fffebd3fbd9 in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0x00007fffebcf9159 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#2  0x00007ffff1d986b4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#3  0x00007ffff1d3a82b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007ffff1b4a78e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5  0x00007ffff4d54a19 in  () at /usr/lib/libQt5Qml.so.5
#6  0x00007ffff1b4fb2d in  () at /usr/lib/libQt5Core.so.5
#7  0x00007ffff0d0508c in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007ffff1457e1f in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7fffd98fd700 (LWP 1197)):
#0  0x00007ffff144d91b in poll () at /usr/lib/libc.so.6
#1  0x00007fffebcf9053 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fffebcf916e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007ffff1d986b4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007ffff1d3a82b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007ffff1b4a78e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007ffff4d54a19 in  () at /usr/lib/libQt5Qml.so.5
#7  0x00007ffff1b4fb2d in  () at /usr/lib/libQt5Core.so.5
#8  0x00007ffff0d0508c in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007ffff1457e1f in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7fffdb346700 (LWP 1159)):
#0  0x00007ffff144d91b in poll () at /usr/lib/libc.so.6
#1  0x00007fffebcf9053 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fffebcf916e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007ffff1d986b4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007ffff1d3a82b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007ffff1b4a78e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007ffff21ba416 in  () at /usr/lib/libQt5DBus.so.5
#7  0x00007ffff1b4fb2d in  () at /usr/lib/libQt5Core.so.5
#8  0x00007ffff0d0508c in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007ffff1457e1f in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7ffff7f7b800 (LWP 1073)):
[KCrash Handler]
#5  0x00007ffff1d45b27 in QMetaObject::cast(QObject const*) const () at /usr/lib/libQt5Core.so.5
#6  0x00007ffff5302f70 in  () at /usr/lib/libKF5XmlGui.so.5
#7  0x00007ffff1d3bd5c in QCoreApplicationPrivate::sendThroughApplicationEventFilters(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#8  0x00007ffff2d40e7a in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#9  0x00007ffff2d48816 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#10 0x00007ffff1d3c1e0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#11 0x00007ffff1d3ee46 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#12 0x00007ffff1d990a4 in  () at /usr/lib/libQt5Core.so.5
#13 0x00007fffebcf8e98 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#14 0x00007fffebcf90e1 in  () at /usr/lib/libglib-2.0.so.0
#15 0x00007fffebcf916e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#16 0x00007ffff1d98691 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#17 0x00007fffe3f6d282 in  () at /usr/lib/libQt5XcbQpa.so.5
#18 0x00007ffff1d3a82b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#19 0x00007ffff1d43b18 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#20 0x000055555556f8d8 in  ()
#21 0x00007ffff1382f4a in __libc_start_main () at /usr/lib/libc.so.6
#22 0x000055555556fc9a in _start ()

Reported using DrKonqi

Comment 1 Denis M. (Phr33d0m) 2018-01-14 02:53:36 UTC

Here's additional information running plasmashell through gdb manually:

(gdb) bt full
#0  0x0000000000000000 in  ()
#1  0x00007ffff1d45b29 in QMetaObject::cast(QObject const*) const () at /usr/lib/libQt5Core.so.5
#2  0x00007ffff5302f70 in  () at /usr/lib/libKF5XmlGui.so.5
#3  0x00007ffff1d3bd5c in QCoreApplicationPrivate::sendThroughApplicationEventFilters(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#4  0x00007ffff2d40e7a in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#5  0x00007ffff2d48816 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#6  0x00007ffff1d3c1e0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#7  0x00007ffff1d3ee46 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#8  0x00007ffff1d990a4 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fffebcf8e98 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#10 0x00007fffebcf90e1 in  () at /usr/lib/libglib-2.0.so.0
#11 0x00007fffebcf916e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#12 0x00007ffff1d98691 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#13 0x00007fffe3f6d282 in  () at /usr/lib/libQt5XcbQpa.so.5
#14 0x00007ffff1d3a82b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#15 0x00007ffff1d43b18 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#16 0x000055555556f8d8 in  ()
#17 0x00007ffff1382f4a in __libc_start_main () at /usr/lib/libc.so.6
#18 0x000055555556fc9a in _start ()

Comment 2 Antonio Rojas 2018-01-14 09:44:39 UTC


*** This bug has been marked as a duplicate of bug 388901 ***

Comment 3 Paul Konecny 2018-01-14 19:06:07 UTC

Created attachment 109861 [details]
Backtrace with debug symbols

This is my backtrace with debug symbols for arch.
I hope this helps.
Cheers!