Bug 353378

Application: plasmashell (5.4.1)

Qt Version: 5.4.2
Operating System: Linux 4.1.0-2-amd64 x86_64
Distribution: Debian GNU/Linux testing (stretch)

-- Information about the crash:
- What I was doing when the application crashed:
Nothing Special, it just happens after loggin in. 
It happen every time.

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".
[Current thread is 1 (Thread 0x7f97dc27f940 (LWP 2018))]

Thread 7 (Thread 0x7f97c73e8700 (LWP 2020)):
#0  0x00007f97d6a4452d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f97daa6e252 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f97daa6fddf in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f97c8f002f9 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
#4  0x00007f97d712d25e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f97d624d0a4 in start_thread (arg=0x7f97c73e8700) at pthread_create.c:309
#6  0x00007f97d6a4d06d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 6 (Thread 0x7f97c4dbf700 (LWP 2024)):
#0  0x00007f97d38042f0 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f97d3804de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f97d3804fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f97d7363e4b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f97d730a2ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f97d7128374 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f97d9937055 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f97d712d25e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f97d624d0a4 in start_thread (arg=0x7f97c4dbf700) at pthread_create.c:309
#9  0x00007f97d6a4d06d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 5 (Thread 0x7f97b7fff700 (LWP 2029)):
#0  0x00007f97d3849734 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f97d38043f0 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f97d3804de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f97d3804fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f97d7363e4b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f97d730a2ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f97d7128374 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f97d9937055 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f97d712d25e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f97d624d0a4 in start_thread (arg=0x7f97b7fff700) at pthread_create.c:309
#10 0x00007f97d6a4d06d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 4 (Thread 0x7f97b5c5d700 (LWP 2033)):
#0  0x00007f97d3849730 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f97d38043f0 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f97d3804de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f97d3804fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f97d7363e4b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f97d730a2ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f97d7128374 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f97d9937055 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f97d712d25e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f97d624d0a4 in start_thread (arg=0x7f97b5c5d700) at pthread_create.c:309
#10 0x00007f97d6a4d06d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (Thread 0x7f97a7fff700 (LWP 2034)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f97dbcde144 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007f97dbcde189 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007f97d624d0a4 in start_thread (arg=0x7f97a7fff700) at pthread_create.c:309
#4  0x00007f97d6a4d06d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7f9725948700 (LWP 2035)):
#0  0x00007f97d6a4452d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f97d3804ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f97d3804fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f97d7363e4b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f97d730a2ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f97d7128374 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f97da2b4c26 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f97d712d25e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f97d624d0a4 in start_thread (arg=0x7f9725948700) at pthread_create.c:309
#9  0x00007f97d6a4d06d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7f97dc27f940 (LWP 2018)):
[KCrash Handler]
#6  0x00007f97d699c107 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#7  0x00007f97d699d4e8 in __GI_abort () at abort.c:89
#8  0x00007f97d382ab55 in g_assertion_message () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f97d382abea in g_assertion_message_expr () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f97cb8d0b51 in glib_defer_free (e=<optimized out>) at pulse/glib-mainloop.c:407
#11 0x00007f97caf9dba5 in pa_pstream_unlink (p=0x342a590) at pulsecore/pstream.c:1060
#12 0x00007f97cbae30f6 in context_unlink (c=c@entry=0x31d7750) at pulse/context.c:209
#13 0x00007f97cbae3848 in pa_context_set_state (c=0x31d7750, st=PA_CONTEXT_FAILED) at pulse/context.c:297
#14 0x00007f97cbae5005 in pa_context_handle_error (c=c@entry=0x31d7750, command=command@entry=1, t=t@entry=0x0, fail=fail@entry=true) at pulse/context.c:448
#15 0x00007f97cbae6542 in setup_complete_callback (pd=pd@entry=0x342e610, command=command@entry=1, tag=tag@entry=0, t=t@entry=0x0, userdata=userdata@entry=0x31d7750) at pulse/context.c:467
#16 0x00007f97caf98a91 in run_action (pd=0x342e610, r=0x307eb60, command=1, ts=0x0) at pulsecore/pdispatch.c:284
#17 0x00007f97cb8d105d in dispatch_func (source=0x31d7530, callback=<optimized out>, userdata=<optimized out>) at pulse/glib-mainloop.c:577
#18 0x00007f97d3804c3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007f97d3804f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f97d3804fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f97d7363e2f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007f97d730a2ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007f97d7311e3c in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00000000004322c3 in main (argc=4, argv=<optimized out>) at ../../shell/main.cpp:176

Reported using DrKonqi