Bug 368071

Summary: Crash in KDeclarative::Plotter with threaded render loop
Product: [Plasma] plasmashell Reporter: aaaSashaMGGU <aaaSashaMGGU>
Component: generalAssignee: David Edmundson <kde>
Status: RESOLVED DUPLICATE    
Severity: crash CC: aaaSashaMGGU, bhush94, isma.casti, kde, notmart, plasma-bugs, xapeiron
Priority: NOR Keywords: drkonqi
Version: 5.5.5   
Target Milestone: 1.0   
Platform: Ubuntu   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:
Attachments: New crash information added by DrKonqi

Description aaaSashaMGGU 2016-08-31 19:18:53 UTC 
Application: plasmashell (5.5.5)

Qt Version: 5.5.1
Operating System: Linux 4.4.0-36-generic x86_64
Distribution: Ubuntu 16.04.1 LTS

-- Information about the crash:
Plasma crashPlasma crashPlasma crash

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma (plasmashell), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
[Current thread is 1 (Thread 0x7fcdb4d098c0 (LWP 12381))]

Thread 20 (Thread 0x7fccbdf30700 (LWP 31420)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fcdafb0daeb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fcdb2dab92e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007fcdb2dac1b3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007fcdafb0c84e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fcdaebf96fa in start_thread (arg=0x7fccbdf30700) at pthread_create.c:333
#6  0x00007fcdaf422b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 19 (Thread 0x7fccbe9fc700 (LWP 31419)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fcdafb0daeb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fcdb2dab92e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007fcdb2dac1b3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007fcdafb0c84e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fcdaebf96fa in start_thread (arg=0x7fccbe9fc700) at pthread_create.c:333
#6  0x00007fcdaf422b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 18 (Thread 0x7fccbf3fd700 (LWP 28113)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fcdafb0daeb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fcdb2dab92e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007fcdb2dac1b3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007fcdafb0c84e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fcdaebf96fa in start_thread (arg=0x7fccbf3fd700) at pthread_create.c:333
#6  0x00007fcdaf422b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 17 (Thread 0x7fccbfdfe700 (LWP 28112)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fcdafb0daeb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fcdb2dab92e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007fcdb2dac1b3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007fcdafb0c84e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fcdaebf96fa in start_thread (arg=0x7fccbfdfe700) at pthread_create.c:333
#6  0x00007fcdaf422b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 16 (Thread 0x7fccc8cfe700 (LWP 23394)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fcdafb0daeb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fcdb2dab92e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007fcdb2dac1b3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007fcdafb0c84e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fcdaebf96fa in start_thread (arg=0x7fccc8cfe700) at pthread_create.c:333
#6  0x00007fcdaf422b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 15 (Thread 0x7fccc94ff700 (LWP 23390)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fcdafb0daeb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fcdb2dab92e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007fcdb2dac1b3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007fcdafb0c84e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fcdaebf96fa in start_thread (arg=0x7fccc94ff700) at pthread_create.c:333
#6  0x00007fcdaf422b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 14 (Thread 0x7fcccb994700 (LWP 12472)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fcdafb0daeb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fcdb2dab92e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007fcdb2dac1b3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007fcdafb0c84e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fcdaebf96fa in start_thread (arg=0x7fcccb994700) at pthread_create.c:333
#6  0x00007fcdaf422b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 13 (Thread 0x7fccd2bf0700 (LWP 12434)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fcdafb0daeb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fcdb2dab92e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007fcdb2dac1b3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007fcdafb0c84e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fcdaebf96fa in start_thread (arg=0x7fccd2bf0700) at pthread_create.c:333
#6  0x00007fcdaf422b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7fccd37d1700 (LWP 12433)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fcdafb0daeb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fcdb2dab92e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007fcdb2dac1b3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007fcdafb0c84e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fcdaebf96fa in start_thread (arg=0x7fccd37d1700) at pthread_create.c:333
#6  0x00007fcdaf422b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7fccd92ad700 (LWP 12419)):
#0  0x00007fcdac1f0ac9 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fcdac1ac35e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fcdac1ac4ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fcdafd43a9b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fcdafceadea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fcdafb078a4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fccdb78c7d7 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#7  0x00007fcdafb0c84e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fcdaebf96fa in start_thread (arg=0x7fccd92ad700) at pthread_create.c:333
#9  0x00007fcdaf422b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7fccf0efb700 (LWP 12404)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fcdafb0daeb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fcdb2dab92e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007fcdb2dac1b3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007fcdafb0c84e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fcdaebf96fa in start_thread (arg=0x7fccf0efb700) at pthread_create.c:333
#6  0x00007fcdaf422b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7fccf2bfe700 (LWP 12400)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fcdafb0daeb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fcdb2dab92e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007fcdb2dac1b3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007fcdafb0c84e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fcdaebf96fa in start_thread (arg=0x7fccf2bfe700) at pthread_create.c:333
#6  0x00007fcdaf422b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7fccfa1f6700 (LWP 12399)):
[KCrash Handler]
#6  0x00007fcdaf351418 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:54
#7  0x00007fcdaf35301a in __GI_abort () at abort.c:89
#8  0x00007fcdaf39372a in __libc_message (do_abort=do_abort@entry=2, fmt=fmt@entry=0x7fcdaf4ac6b0 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/posix/libc_fatal.c:175
#9  0x00007fcdaf39bf4a in malloc_printerr (ar_ptr=<optimized out>, ptr=<optimized out>, str=0x7fcdaf4a948f "free(): invalid pointer", action=3) at malloc.c:5007
#10 _int_free (av=<optimized out>, p=<optimized out>, have_lock=0) at malloc.c:3868
#11 0x00007fcdaf39fabc in __GI___libc_free (mem=<optimized out>) at malloc.c:2969
#12 0x00007fcd9395bad1 in ?? () from /usr/lib/nvidia-361/libGLX_nvidia.so.0
#13 0x00007fcd92776d42 in ?? () from /usr/lib/nvidia-361/libnvidia-glcore.so.361.42
#14 0x00007fcd92777100 in ?? () from /usr/lib/nvidia-361/libnvidia-glcore.so.361.42
#15 0x00007fcd84784f46 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kquickcontrolsaddons/libkquickcontrolsaddonsplugin.so
#16 0x00007fcdafd1be4f in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007fcdb2dd2ece in QQuickWindowPrivate::renderSceneGraph(QSize const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#18 0x00007fcdb2da69c8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#19 0x00007fcdb2dac08c in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#20 0x00007fcdafb0c84e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007fcdaebf96fa in start_thread (arg=0x7fccfa1f6700) at pthread_create.c:333
#22 0x00007fcdaf422b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7fccfbf4c700 (LWP 12397)):
#0  __GI___tls_get_addr (ti=0x7fcdaff37788) at dl-tls.c:832
#1  0x00007fcdafb0b792 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fcdafd42ffa in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007fcdac1ab92d in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fcdac1ac2cb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fcdac1ac4ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fcdafd43a9b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fcdafceadea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fcdafb078a4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fcdb2d35ed6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#10 0x00007fcdafb0c84e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007fcdaebf96fa in start_thread (arg=0x7fccfbf4c700) at pthread_create.c:333
#12 0x00007fcdaf422b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7fcd860db700 (LWP 12392)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fcdb4754bd4 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007fcdb4754c19 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007fcdaebf96fa in start_thread (arg=0x7fcd860db700) at pthread_create.c:333
#4  0x00007fcdaf422b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7fcd877a2700 (LWP 12391)):
#0  0x00007fcdaf416e8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fcdac1ac39c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fcdac1ac4ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fcdafd43a9b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fcdafceadea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fcdafb078a4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fcdb23af3c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fcdafb0c84e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fcdaebf96fa in start_thread (arg=0x7fcd877a2700) at pthread_create.c:333
#9  0x00007fcdaf422b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7fcd8d6ee700 (LWP 12390)):
#0  0x00007fcdac1f0ae4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fcdac1ab920 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fcdac1ac2cb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fcdac1ac4ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fcdafd43a9b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fcdafceadea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fcdafb078a4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fcdb23af3c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fcdafb0c84e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fcdaebf96fa in start_thread (arg=0x7fcd8d6ee700) at pthread_create.c:333
#10 0x00007fcdaf422b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7fcd9a1ab700 (LWP 12388)):
#0  0x00007fcdac1f0ae4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fcdac1ab9b0 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fcdac1ac2cb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fcdac1ac4ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fcdafd43a9b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fcdafceadea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fcdafb078a4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fcdb23af3c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fcdafb0c84e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fcdaebf96fa in start_thread (arg=0x7fcd9a1ab700) at pthread_create.c:333
#10 0x00007fcdaf422b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7fcda0e30700 (LWP 12383)):
#0  0x00007fcdaf416e8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fcdb34dbc62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fcdb34dd8d7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fcda35b0629 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007fcdafb0c84e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fcdaebf96fa in start_thread (arg=0x7fcda0e30700) at pthread_create.c:333
#6  0x00007fcdaf422b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fcdb4d098c0 (LWP 12381)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fcdafb0daeb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fcdb2da8bc6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007fcdb2da95a2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007fcdb2dde857 in QQuickWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x000000000043f206 in DesktopView::event(QEvent*) ()
#6  0x00007fcdb07f005c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#7  0x00007fcdb07f5516 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#8  0x00007fcdafced62b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fcdb00380b0 in QWindowPrivate::deliverUpdateRequest() () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#10 0x00007fcdb00385e9 in QWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#11 0x00007fcdb2dde871 in QQuickWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#12 0x000000000043f206 in DesktopView::event(QEvent*) ()
#13 0x00007fcdb07f005c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#14 0x00007fcdb07f5516 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#15 0x00007fcdafced62b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007fcdafd4289d in QTimerInfoList::activateTimers() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007fcdafd42dd9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007fcdac1ac1a7 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007fcdac1ac400 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007fcdac1ac4ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007fcdafd43a7f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007fcdafceadea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007fcdafcf2e8c in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x0000000000432d4a in main ()

Possible duplicates by query: bug 365976, bug 359344, bug 355122.

Reported using DrKonqi
Comment 1 aaaSashaMGGU 2016-09-22 18:27:35 UTC 
Created attachment 101233 [details]
New crash information added by DrKonqi

plasmashell (5.5.5) using Qt 5.5.1

Crash
Crash
Crash
Crash
Crash
Crash

-- Backtrace (Reduced):
#6  0x00007f78d6850418 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:54
#7  0x00007f78d685201a in __GI_abort () at abort.c:89
[...]
#9  0x00007f78d689af4a in malloc_printerr (ar_ptr=<optimized out>, ptr=<optimized out>, str=0x7f78d69a848f "free(): invalid pointer", action=3) at malloc.c:5007
#10 _int_free (av=<optimized out>, p=<optimized out>, have_lock=0) at malloc.c:3868
#11 0x00007f78d689eabc in __GI___libc_free (mem=<optimized out>) at malloc.c:2969
Comment 2 David Edmundson 2016-09-30 13:06:54 UTC 
*** Bug 369553 has been marked as a duplicate of this bug. ***
Comment 3 Marco Martin 2016-12-30 13:50:19 UTC 
is this still happening? doesn't seem to be reproduceable at all on the combintation Qt 5.8/Plasma5.8/intel modesettings drivers
Comment 4 aaaSashaMGGU 2016-12-30 17:08:42 UTC 
No, the problem does not appear
Comment 5 Marco Martin 2017-01-17 10:16:55 UTC 
*** Bug 375165 has been marked as a duplicate of this bug. ***
Comment 6 Marco Martin 2017-10-10 12:14:15 UTC 
*** Bug 376968 has been marked as a duplicate of this bug. ***
Comment 7 David Edmundson 2019-04-18 09:04:26 UTC 

*** This bug has been marked as a duplicate of bug 403453 ***