Bug 350794

Summary: Plasma Crash
Product: [Plasma] plasmashell Reporter: Stirling Westrup <swestrup>
Component: FolderAssignee: Eike Hein <hein>
Status: RESOLVED FIXED    
Severity: crash CC: bhush94, bobboer1995, flowwolf, izenzon, plasma-bugs, thilt
Priority: NOR Keywords: drkonqi
Version: 5.3.2   
Target Milestone: 1.0   
Platform: Debian unstable   
OS: Linux   
Latest Commit: http://commits.kde.org/plasma-desktop/19d6267711fb9c769f94166c657370b308083e9e Version Fixed In:
Sentry Crash Report:

Description Stirling Westrup 2015-07-30 15:43:48 UTC 
Application: plasmashell (5.3.2)

Qt Version: 5.4.2
Operating System: Linux 4.0.0-2-amd64 x86_64
Distribution: Debian GNU/Linux unstable (sid)

-- Information about the crash:
- What I was doing when the application crashed:
Right Clicked on a Desktop Icon and asked to see its properties.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
[Current thread is 1 (Thread 0x7f7cde066940 (LWP 2807))]

Thread 24 (Thread 0x7f7cdbdd9700 (LWP 2861)):
#0  0x00007f7cecf4d53d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f7cf0fb8252 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f7cf0fb9ddf in xcb_wait_for_event () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f7cddf96aa9 in QXcbEventReader::run() (this=0x21cec50) at qxcbconnection.cpp:1105
#4  0x00007f7ced5c887e in QThreadPrivate::start(void*) (arg=0x21cec50) at thread/qthread_unix.cpp:337
#5  0x00007f7cec5460a4 in start_thread (arg=0x7f7cdbdd9700) at pthread_create.c:309
#6  0x00007f7cecf5607d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 23 (Thread 0x7f7cd99d6700 (LWP 4526)):
#0  0x00007f7cecf4d53d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f7ce9ad9ebc in g_main_context_iterate (priority=2147483647, n_fds=1, fds=0x7f7ccc003070, timeout=-1, context=0x7f7ccc0009b0) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:4103
#2  0x00007f7ce9ad9ebc in g_main_context_iterate (context=context@entry=0x7f7ccc0009b0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3803
#3  0x00007f7ce9ad9fcc in g_main_context_iteration (context=0x7f7ccc0009b0, may_block=1) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3869
#4  0x00007f7ced81135c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f7ccc0008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f7ced7b5b62 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f7cd99d5c60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f7ced5c38b4 in QThread::exec() (this=this@entry=0x222a7c0) at thread/qthread.cpp:503
#7  0x00007f7cefe51f05 in QQmlThreadPrivate::run() (this=0x222a7c0) at qml/ftw/qqmlthread.cpp:141
#8  0x00007f7ced5c887e in QThreadPrivate::start(void*) (arg=0x222a7c0) at thread/qthread_unix.cpp:337
#9  0x00007f7cec5460a4 in start_thread (arg=0x7f7cd99d6700) at pthread_create.c:309
#10 0x00007f7cecf5607d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 22 (Thread 0x7f7cd1ede700 (LWP 4697)):
#0  0x00007f7ced5c0b7f in QMutex::unlock() (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=0x1, _q_value=@0x285f848: 0x0) at ../../include/QtCore/../../src/corelib/arch/qatomic_x86.h:259
#1  0x00007f7ced5c0b7f in QMutex::unlock() (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=0x1, _q_value=@0x285f848: 0x0) at ../../include/QtCore/../../src/corelib/thread/qgenericatomic.h:175
#2  0x00007f7ced5c0b7f in QMutex::unlock() (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=0x1, this=this@entry=0x285f848) at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:272
#3  0x00007f7ced5c0b7f in QMutex::unlock() (current=<synthetic pointer>, this=this@entry=0x285f848) at thread/qmutex.h:85
#4  0x00007f7ced5c0b7f in QMutex::unlock() (this=this@entry=0x285f848) at thread/qmutex.cpp:264
#5  0x00007f7ced810ca5 in postEventSourceCheck(GSource*) (this=<synthetic pointer>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:138
#6  0x00007f7ced810ca5 in postEventSourceCheck(GSource*) (this=<synthetic pointer>, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:132
#7  0x00007f7ced810ca5 in postEventSourceCheck(GSource*) (this=<optimized out>) at ../../include/QtCore/5.4.2/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:244
#8  0x00007f7ced810ca5 in postEventSourceCheck(GSource*) (timeout=<synthetic pointer>, s=0x7f7cc80012d0) at kernel/qeventdispatcher_glib.cpp:254
#9  0x00007f7ced810ca5 in postEventSourceCheck(GSource*) (source=0x7f7cc80012d0) at kernel/qeventdispatcher_glib.cpp:264
#10 0x00007f7ce9ad98c1 in g_main_context_check (context=context@entry=0x7f7cc8000990, max_priority=2147483647, fds=fds@entry=0x7f7cc80013e0, n_fds=n_fds@entry=1) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3649
#11 0x00007f7ce9ad9e60 in g_main_context_iterate (context=context@entry=0x7f7cc8000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3805
#12 0x00007f7ce9ad9fcc in g_main_context_iteration (context=0x7f7cc8000990, may_block=1) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3869
#13 0x00007f7ced81135c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f7cc80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#14 0x00007f7ced7b5b62 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f7cd1eddc60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#15 0x00007f7ced5c38b4 in QThread::exec() (this=this@entry=0x26d0050) at thread/qthread.cpp:503
#16 0x00007f7cefe51f05 in QQmlThreadPrivate::run() (this=0x26d0050) at qml/ftw/qqmlthread.cpp:141
#17 0x00007f7ced5c887e in QThreadPrivate::start(void*) (arg=0x26d0050) at thread/qthread_unix.cpp:337
#18 0x00007f7cec5460a4 in start_thread (arg=0x7f7cd1ede700) at pthread_create.c:309
#19 0x00007f7cecf5607d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 21 (Thread 0x7f7cc7dc9700 (LWP 4771)):
#0  0x00007f7ced5c073a in QMutex::lock() (currentValue=<synthetic pointer>, newValue=0x1, expectedValue=0x0, _q_value=@0x289f7a8: 0x1) at ../../include/QtCore/../../src/corelib/arch/qatomic_x86.h:259
#1  0x00007f7ced5c073a in QMutex::lock() (currentValue=<synthetic pointer>, newValue=0x1, expectedValue=0x0, _q_value=@0x289f7a8: 0x1) at ../../include/QtCore/../../src/corelib/thread/qgenericatomic.h:166
#2  0x00007f7ced5c073a in QMutex::lock() (currentValue=<synthetic pointer>, newValue=0x1, expectedValue=0x0, this=0x289f7a8, this@entry=0x1) at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:270
#3  0x00007f7ced5c073a in QMutex::lock() (current=<synthetic pointer>, this=0x289f7a8, this@entry=0x1) at thread/qmutex.h:82
#4  0x00007f7ced5c073a in QMutex::lock() (this=this@entry=0x289f7a8) at thread/qmutex.cpp:212
#5  0x00007f7ced8108cb in postEventSourcePrepare(GSource*, gint*) (m=0x289f7a8, this=<synthetic pointer>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:128
#6  0x00007f7ced8108cb in postEventSourcePrepare(GSource*, gint*) (this=0x289f780) at ../../include/QtCore/5.4.2/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:243
#7  0x00007f7ced8108cb in postEventSourcePrepare(GSource*, gint*) (s=0x7f7cbc0012d0, timeout=timeout@entry=0x7f7cc7dc8a94) at kernel/qeventdispatcher_glib.cpp:254
#8  0x00007f7ce9ad93fd in g_main_context_prepare (context=context@entry=0x7f7cbc000990, priority=priority@entry=0x7f7cc7dc8b20) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3410
#9  0x00007f7ce9ad9de8 in g_main_context_iterate (context=context@entry=0x7f7cbc000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3788
#10 0x00007f7ce9ad9fcc in g_main_context_iteration (context=0x7f7cbc000990, may_block=1) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3869
#11 0x00007f7ced81135c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f7cbc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#12 0x00007f7ced7b5b62 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f7cc7dc8c60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#13 0x00007f7ced5c38b4 in QThread::exec() (this=this@entry=0x2846970) at thread/qthread.cpp:503
#14 0x00007f7cefe51f05 in QQmlThreadPrivate::run() (this=0x2846970) at qml/ftw/qqmlthread.cpp:141
#15 0x00007f7ced5c887e in QThreadPrivate::start(void*) (arg=0x2846970) at thread/qthread_unix.cpp:337
#16 0x00007f7cec5460a4 in start_thread (arg=0x7f7cc7dc9700) at pthread_create.c:309
#17 0x00007f7cecf5607d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 20 (Thread 0x7f7cc6cd8700 (LWP 4774)):
#0  0x00007f7ced5c073a in QMutex::lock() (currentValue=<synthetic pointer>, newValue=0x1, expectedValue=0x0, _q_value=@0x258cd98: 0x1) at ../../include/QtCore/../../src/corelib/arch/qatomic_x86.h:259
#1  0x00007f7ced5c073a in QMutex::lock() (currentValue=<synthetic pointer>, newValue=0x1, expectedValue=0x0, _q_value=@0x258cd98: 0x1) at ../../include/QtCore/../../src/corelib/thread/qgenericatomic.h:166
#2  0x00007f7ced5c073a in QMutex::lock() (currentValue=<synthetic pointer>, newValue=0x1, expectedValue=0x0, this=0x258cd98, this@entry=0x29) at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:270
#3  0x00007f7ced5c073a in QMutex::lock() (current=<synthetic pointer>, this=0x258cd98, this@entry=0x29) at thread/qmutex.h:82
#4  0x00007f7ced5c073a in QMutex::lock() (this=this@entry=0x258cd98) at thread/qmutex.cpp:212
#5  0x00007f7ced810c99 in postEventSourceCheck(GSource*) (m=0x258cd98, this=<synthetic pointer>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:128
#6  0x00007f7ced810c99 in postEventSourceCheck(GSource*) (this=0x258cd70) at ../../include/QtCore/5.4.2/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:243
#7  0x00007f7ced810c99 in postEventSourceCheck(GSource*) (timeout=<synthetic pointer>, s=0x7f7cb40012d0) at kernel/qeventdispatcher_glib.cpp:254
#8  0x00007f7ced810c99 in postEventSourceCheck(GSource*) (source=0x7f7cb40012d0) at kernel/qeventdispatcher_glib.cpp:264
#9  0x00007f7ce9ad98c1 in g_main_context_check (context=context@entry=0x7f7cb4000990, max_priority=2147483647, fds=fds@entry=0x7f7cb40013e0, n_fds=n_fds@entry=1) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3649
#10 0x00007f7ce9ad9e60 in g_main_context_iterate (context=context@entry=0x7f7cb4000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3805
#11 0x00007f7ce9ad9fcc in g_main_context_iteration (context=0x7f7cb4000990, may_block=1) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3869
#12 0x00007f7ced81135c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f7cb40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#13 0x00007f7ced7b5b62 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f7cc6cd7c60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#14 0x00007f7ced5c38b4 in QThread::exec() (this=this@entry=0x2556ba0) at thread/qthread.cpp:503
#15 0x00007f7cefe51f05 in QQmlThreadPrivate::run() (this=0x2556ba0) at qml/ftw/qqmlthread.cpp:141
#16 0x00007f7ced5c887e in QThreadPrivate::start(void*) (arg=0x2556ba0) at thread/qthread_unix.cpp:337
#17 0x00007f7cec5460a4 in start_thread (arg=0x7f7cc6cd8700) at pthread_create.c:309
#18 0x00007f7cecf5607d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 19 (Thread 0x7f7cc5bd7700 (LWP 4806)):
#0  0x00007f7cecf4d53d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f7ce9ad9ebc in g_main_context_iterate (priority=2147483647, n_fds=1, fds=0x7f7cb80013e0, timeout=-1, context=0x7f7cb8000990) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:4103
#2  0x00007f7ce9ad9ebc in g_main_context_iterate (context=context@entry=0x7f7cb8000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3803
#3  0x00007f7ce9ad9fcc in g_main_context_iteration (context=0x7f7cb8000990, may_block=1) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3869
#4  0x00007f7ced81135c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f7cb80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f7ced7b5b62 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f7cc5bd6c60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f7ced5c38b4 in QThread::exec() (this=this@entry=0x25dfd80) at thread/qthread.cpp:503
#7  0x00007f7cefe51f05 in QQmlThreadPrivate::run() (this=0x25dfd80) at qml/ftw/qqmlthread.cpp:141
#8  0x00007f7ced5c887e in QThreadPrivate::start(void*) (arg=0x25dfd80) at thread/qthread_unix.cpp:337
#9  0x00007f7cec5460a4 in start_thread (arg=0x7f7cc5bd7700) at pthread_create.c:309
#10 0x00007f7cecf5607d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 18 (Thread 0x7f7cc4ad6700 (LWP 4814)):
#0  0x00007f7cecf4960d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f7ce5597f45 in  () at /usr/lib/x86_64-linux-gnu/tls/libnvidia-tls.so.340.76
#2  0x00007f7ce9b1d280 in g_wakeup_acknowledge (__nbytes=16, __buf=0x7f7cc4ad5a50, __fd=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/unistd.h:44
#3  0x00007f7ce9b1d280 in g_wakeup_acknowledge (wakeup=0x7f7cb8002750) at /tmp/buildd/glib2.0-2.44.1/./glib/gwakeup.c:210
#4  0x00007f7ce9ad996c in g_main_context_check (context=context@entry=0x7f7cac000990, max_priority=2147483647, fds=fds@entry=0x7f7cac0013e0, n_fds=n_fds@entry=1) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3600
#5  0x00007f7ce9ad9e60 in g_main_context_iterate (context=context@entry=0x7f7cac000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3805
#6  0x00007f7ce9ad9fcc in g_main_context_iteration (context=0x7f7cac000990, may_block=1) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3869
#7  0x00007f7ced81135c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f7cac0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#8  0x00007f7ced7b5b62 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f7cc4ad5c60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#9  0x00007f7ced5c38b4 in QThread::exec() (this=this@entry=0x2573bb0) at thread/qthread.cpp:503
#10 0x00007f7cefe51f05 in QQmlThreadPrivate::run() (this=0x2573bb0) at qml/ftw/qqmlthread.cpp:141
#11 0x00007f7ced5c887e in QThreadPrivate::start(void*) (arg=0x2573bb0) at thread/qthread_unix.cpp:337
#12 0x00007f7cec5460a4 in start_thread (arg=0x7f7cc4ad6700) at pthread_create.c:309
#13 0x00007f7cecf5607d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 17 (Thread 0x7f7cb31c3700 (LWP 4846)):
#0  0x00007f7cecf4960d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f7ce5597f45 in  () at /usr/lib/x86_64-linux-gnu/tls/libnvidia-tls.so.340.76
#2  0x00007f7ce9b1d280 in g_wakeup_acknowledge (__nbytes=16, __buf=0x7f7cb31c2a50, __fd=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/unistd.h:44
#3  0x00007f7ce9b1d280 in g_wakeup_acknowledge (wakeup=0x7f7cac002540) at /tmp/buildd/glib2.0-2.44.1/./glib/gwakeup.c:210
#4  0x00007f7ce9ad996c in g_main_context_check (context=context@entry=0x7f7ca8000990, max_priority=2147483647, fds=fds@entry=0x7f7ca80013e0, n_fds=n_fds@entry=1) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3600
#5  0x00007f7ce9ad9e60 in g_main_context_iterate (context=context@entry=0x7f7ca8000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3805
#6  0x00007f7ce9ad9fcc in g_main_context_iteration (context=0x7f7ca8000990, may_block=1) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3869
#7  0x00007f7ced81135c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f7ca80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#8  0x00007f7ced7b5b62 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f7cb31c2c60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#9  0x00007f7ced5c38b4 in QThread::exec() (this=this@entry=0x29202d0) at thread/qthread.cpp:503
#10 0x00007f7cefe51f05 in QQmlThreadPrivate::run() (this=0x29202d0) at qml/ftw/qqmlthread.cpp:141
#11 0x00007f7ced5c887e in QThreadPrivate::start(void*) (arg=0x29202d0) at thread/qthread_unix.cpp:337
#12 0x00007f7cec5460a4 in start_thread (arg=0x7f7cb31c3700) at pthread_create.c:309
#13 0x00007f7cecf5607d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 16 (Thread 0x7f7cb1fba700 (LWP 4856)):
#0  0x00007f7cec54a08f in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f7cf1dbe644 in QTWTF::TCMalloc_PageHeap::scavengerThread() (this=0x7f7cf1eaff40 <QTWTF::pageheap_memory>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00007f7cf1dbe689 in QTWTF::TCMalloc_PageHeap::runScavengerThread(void*) (context=<optimized out>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x00007f7cec5460a4 in start_thread (arg=0x7f7cb1fba700) at pthread_create.c:309
#4  0x00007f7cecf5607d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 15 (Thread 0x7f7cb16b9700 (LWP 4857)):
#0  0x00007f7ce9b1e734 in g_mutex_unlock (mutex=0x7f7c20000990) at /tmp/buildd/glib2.0-2.44.1/./glib/gthread-posix.c:1350
#1  0x00007f7ce9ad9ddb in g_main_context_iterate (context=context@entry=0x7f7c20000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3786
#2  0x00007f7ce9ad9fcc in g_main_context_iteration (context=0x7f7c20000990, may_block=1) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3869
#3  0x00007f7ced81135c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f7c200008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f7ced7b5b62 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f7cb16b8c60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f7ced5c38b4 in QThread::exec() (this=this@entry=0x296ed20) at thread/qthread.cpp:503
#6  0x00007f7cefe51f05 in QQmlThreadPrivate::run() (this=0x296ed20) at qml/ftw/qqmlthread.cpp:141
#7  0x00007f7ced5c887e in QThreadPrivate::start(void*) (arg=0x296ed20) at thread/qthread_unix.cpp:337
#8  0x00007f7cec5460a4 in start_thread (arg=0x7f7cb16b9700) at pthread_create.c:309
#9  0x00007f7cecf5607d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 14 (Thread 0x7f7c25af4700 (LWP 5357)):
#0  0x00007f7ce9ad98b9 in g_main_context_check (context=context@entry=0x7f7c1c000990, max_priority=2147483647, fds=fds@entry=0x7f7c1c003130, n_fds=n_fds@entry=1) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3649
#1  0x00007f7ce9ad9e60 in g_main_context_iterate (context=context@entry=0x7f7c1c000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3805
#2  0x00007f7ce9ad9fcc in g_main_context_iteration (context=0x7f7c1c000990, may_block=1) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3869
#3  0x00007f7ced81135c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f7c1c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f7ced7b5b62 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f7c25af3c10, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f7ced5c38b4 in QThread::exec() (this=this@entry=0x30b9e30) at thread/qthread.cpp:503
#6  0x00007f7cf02cfa16 in QQuickPixmapReader::run() (this=0x30b9e30) at util/qquickpixmapcache.cpp:714
#7  0x00007f7ced5c887e in QThreadPrivate::start(void*) (arg=0x30b9e30) at thread/qthread_unix.cpp:337
#8  0x00007f7cec5460a4 in start_thread (arg=0x7f7c25af4700) at pthread_create.c:309
#9  0x00007f7cecf5607d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 13 (Thread 0x7f7c252f3700 (LWP 5392)):
#0  0x00007f7cec54a08f in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f7ced5c99db in QWaitCondition::wait(QMutex*, unsigned long) (time=18446744073709551615, this=0x2d883e0) at thread/qwaitcondition_unix.cpp:136
#2  0x00007f7ced5c99db in QWaitCondition::wait(QMutex*, unsigned long) (this=this@entry=0x22245b8, mutex=mutex@entry=0x22245b0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f7cf0341f2b in QSGRenderThread::processEventsAndWaitForMore() (wait=true, this=0x22245a8) at scenegraph/qsgthreadedrenderloop.cpp:232
#4  0x00007f7cf0341f2b in QSGRenderThread::processEventsAndWaitForMore() (this=this@entry=0x2224530) at scenegraph/qsgthreadedrenderloop.cpp:643
#5  0x00007f7cf0342320 in QSGRenderThread::run() (this=0x2224530) at scenegraph/qsgthreadedrenderloop.cpp:672
#6  0x00007f7ced5c887e in QThreadPrivate::start(void*) (arg=0x2224530) at thread/qthread_unix.cpp:337
#7  0x00007f7cec5460a4 in start_thread (arg=0x7f7c252f3700) at pthread_create.c:309
#8  0x00007f7cecf5607d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 12 (Thread 0x7f7c1abfe700 (LWP 5428)):
#0  0x00007f7cecf4960d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f7ce5597f45 in  () at /usr/lib/x86_64-linux-gnu/tls/libnvidia-tls.so.340.76
#2  0x00007f7ce9b1d280 in g_wakeup_acknowledge (__nbytes=16, __buf=0x7f7c1abfda50, __fd=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/unistd.h:44
#3  0x00007f7ce9b1d280 in g_wakeup_acknowledge (wakeup=0x7f7c10001e00) at /tmp/buildd/glib2.0-2.44.1/./glib/gwakeup.c:210
#4  0x00007f7ce9ad996c in g_main_context_check (context=context@entry=0x7f7c10000990, max_priority=2147483647, fds=fds@entry=0x7f7c100013e0, n_fds=n_fds@entry=1) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3600
#5  0x00007f7ce9ad9e60 in g_main_context_iterate (context=context@entry=0x7f7c10000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3805
#6  0x00007f7ce9ad9fcc in g_main_context_iteration (context=0x7f7c10000990, may_block=1) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3869
#7  0x00007f7ced81135c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f7c100008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#8  0x00007f7ced7b5b62 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f7c1abfdc60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#9  0x00007f7ced5c38b4 in QThread::exec() (this=this@entry=0x2765220) at thread/qthread.cpp:503
#10 0x00007f7cefe51f05 in QQmlThreadPrivate::run() (this=0x2765220) at qml/ftw/qqmlthread.cpp:141
#11 0x00007f7ced5c887e in QThreadPrivate::start(void*) (arg=0x2765220) at thread/qthread_unix.cpp:337
#12 0x00007f7cec5460a4 in start_thread (arg=0x7f7c1abfe700) at pthread_create.c:309
#13 0x00007f7cecf5607d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 11 (Thread 0x7f7c0fb95700 (LWP 5976)):
#0  0x00007f7ce9ad9660 in g_main_context_query (context=context@entry=0x7f7c08000990, max_priority=2147483647, timeout=timeout@entry=0x7f7c0fb94b24, fds=fds@entry=0x7f7c080013e0, n_fds=n_fds@entry=1) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3535
#1  0x00007f7ce9ad9e37 in g_main_context_iterate (context=context@entry=0x7f7c08000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3790
#2  0x00007f7ce9ad9fcc in g_main_context_iteration (context=0x7f7c08000990, may_block=1) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3869
#3  0x00007f7ced81135c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f7c080008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f7ced7b5b62 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f7c0fb94c60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f7ced5c38b4 in QThread::exec() (this=this@entry=0x37d31d0) at thread/qthread.cpp:503
#6  0x00007f7cefe51f05 in QQmlThreadPrivate::run() (this=0x37d31d0) at qml/ftw/qqmlthread.cpp:141
#7  0x00007f7ced5c887e in QThreadPrivate::start(void*) (arg=0x37d31d0) at thread/qthread_unix.cpp:337
#8  0x00007f7cec5460a4 in start_thread (arg=0x7f7c0fb95700) at pthread_create.c:309
#9  0x00007f7cecf5607d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 10 (Thread 0x7f7c0ea92700 (LWP 5980)):
#0  0x00007f7cf233eb05 in __tls_get_addr (ti=0x7f7ced9f7708) at dl-tls.c:775
#1  0x00007f7ced5c7782 in QThreadData::current(bool) () at thread/qthread_unix.cpp:181
#2  0x00007f7ced5c7782 in QThreadData::current(bool) (createIfNecessary=createIfNecessary@entry=true) at thread/qthread_unix.cpp:212
#3  0x00007f7ced810c81 in postEventSourceCheck(GSource*) (timeout=0x0, s=0x7f7c000012d0) at kernel/qeventdispatcher_glib.cpp:247
#4  0x00007f7ced810c81 in postEventSourceCheck(GSource*) (source=0x7f7c000012d0) at kernel/qeventdispatcher_glib.cpp:264
#5  0x00007f7ce9ad98c1 in g_main_context_check (context=context@entry=0x7f7c00000990, max_priority=2147483647, fds=fds@entry=0x7f7c000013e0, n_fds=n_fds@entry=1) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3649
#6  0x00007f7ce9ad9e60 in g_main_context_iterate (context=context@entry=0x7f7c00000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3805
#7  0x00007f7ce9ad9fcc in g_main_context_iteration (context=0x7f7c00000990, may_block=1) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3869
#8  0x00007f7ced81135c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f7c000008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#9  0x00007f7ced7b5b62 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f7c0ea91c60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#10 0x00007f7ced5c38b4 in QThread::exec() (this=this@entry=0x38c25b0) at thread/qthread.cpp:503
#11 0x00007f7cefe51f05 in QQmlThreadPrivate::run() (this=0x38c25b0) at qml/ftw/qqmlthread.cpp:141
#12 0x00007f7ced5c887e in QThreadPrivate::start(void*) (arg=0x38c25b0) at thread/qthread_unix.cpp:337
#13 0x00007f7cec5460a4 in start_thread (arg=0x7f7c0ea92700) at pthread_create.c:309
#14 0x00007f7cecf5607d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 9 (Thread 0x7f7c07d79700 (LWP 7274)):
#0  0x00007f7cec54a08f in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f7ced5c99db in QWaitCondition::wait(QMutex*, unsigned long) (time=18446744073709551615, this=0x3f8c990) at thread/qwaitcondition_unix.cpp:136
#2  0x00007f7ced5c99db in QWaitCondition::wait(QMutex*, unsigned long) (this=this@entry=0x3ed5618, mutex=mutex@entry=0x3ed5610, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f7cf0341f2b in QSGRenderThread::processEventsAndWaitForMore() (wait=true, this=0x3ed5608) at scenegraph/qsgthreadedrenderloop.cpp:232
#4  0x00007f7cf0341f2b in QSGRenderThread::processEventsAndWaitForMore() (this=this@entry=0x3ed5590) at scenegraph/qsgthreadedrenderloop.cpp:643
#5  0x00007f7cf0342320 in QSGRenderThread::run() (this=0x3ed5590) at scenegraph/qsgthreadedrenderloop.cpp:672
#6  0x00007f7ced5c887e in QThreadPrivate::start(void*) (arg=0x3ed5590) at thread/qthread_unix.cpp:337
#7  0x00007f7cec5460a4 in start_thread (arg=0x7f7c07d79700) at pthread_create.c:309
#8  0x00007f7cecf5607d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 8 (Thread 0x7f7c06897700 (LWP 7374)):
#0  0x00007f7cecf49602 in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f7ce5597f45 in  () at /usr/lib/x86_64-linux-gnu/tls/libnvidia-tls.so.340.76
#2  0x00007f7ce9b1d280 in g_wakeup_acknowledge (__nbytes=16, __buf=0x7f7c06896a50, __fd=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/unistd.h:44
#3  0x00007f7ce9b1d280 in g_wakeup_acknowledge (wakeup=0x4114990) at /tmp/buildd/glib2.0-2.44.1/./glib/gwakeup.c:210
#4  0x00007f7ce9ad996c in g_main_context_check (context=context@entry=0x7f7c00287630, max_priority=2147483647, fds=fds@entry=0x7f7c00283e70, n_fds=n_fds@entry=1) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3600
#5  0x00007f7ce9ad9e60 in g_main_context_iterate (context=context@entry=0x7f7c00287630, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3805
#6  0x00007f7ce9ad9fcc in g_main_context_iteration (context=0x7f7c00287630, may_block=1) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3869
#7  0x00007f7ced81135c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f7c0028b8a0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#8  0x00007f7ced7b5b62 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f7c06896c60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#9  0x00007f7ced5c38b4 in QThread::exec() (this=this@entry=0x4570400) at thread/qthread.cpp:503
#10 0x00007f7cefe51f05 in QQmlThreadPrivate::run() (this=0x4570400) at qml/ftw/qqmlthread.cpp:141
#11 0x00007f7ced5c887e in QThreadPrivate::start(void*) (arg=0x4570400) at thread/qthread_unix.cpp:337
#12 0x00007f7cec5460a4 in start_thread (arg=0x7f7c06897700) at pthread_create.c:309
#13 0x00007f7cecf5607d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 7 (Thread 0x7f7c057b6700 (LWP 7379)):
#0  0x00007f7ce9b1e734 in g_mutex_unlock (mutex=0x7f7c080033d0) at /tmp/buildd/glib2.0-2.44.1/./glib/gthread-posix.c:1350
#1  0x00007f7ce9ad96f9 in g_main_context_query (context=context@entry=0x7f7c080033d0, max_priority=2147483647, timeout=timeout@entry=0x7f7c057b5b24, fds=fds@entry=0x7f7c08003de0, n_fds=n_fds@entry=1) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3557
#2  0x00007f7ce9ad9e37 in g_main_context_iterate (context=context@entry=0x7f7c080033d0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3790
#3  0x00007f7ce9ad9fcc in g_main_context_iteration (context=0x7f7c080033d0, may_block=1) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3869
#4  0x00007f7ced81135c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f7c08003300, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f7ced7b5b62 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f7c057b5c60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f7ced5c38b4 in QThread::exec() (this=this@entry=0x4654920) at thread/qthread.cpp:503
#7  0x00007f7cefe51f05 in QQmlThreadPrivate::run() (this=0x4654920) at qml/ftw/qqmlthread.cpp:141
#8  0x00007f7ced5c887e in QThreadPrivate::start(void*) (arg=0x4654920) at thread/qthread_unix.cpp:337
#9  0x00007f7cec5460a4 in start_thread (arg=0x7f7c057b6700) at pthread_create.c:309
#10 0x00007f7cecf5607d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 6 (Thread 0x7f7bfeb25700 (LWP 8108)):
#0  0x00007f7ce9b1e719 in g_mutex_lock (mutex=mutex@entry=0x7f7c1419b820) at /tmp/buildd/glib2.0-2.44.1/./glib/gthread-posix.c:1338
#1  0x00007f7ce9ad9409 in g_main_context_prepare (context=context@entry=0x7f7c1419b820, priority=priority@entry=0x7f7bfeb24b20) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3412
#2  0x00007f7ce9ad9de8 in g_main_context_iterate (context=context@entry=0x7f7c1419b820, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3788
#3  0x00007f7ce9ad9fcc in g_main_context_iteration (context=0x7f7c1419b820, may_block=1) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3869
#4  0x00007f7ced81135c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f7c141d56f0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f7ced7b5b62 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f7bfeb24c60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f7ced5c38b4 in QThread::exec() (this=this@entry=0x47ae780) at thread/qthread.cpp:503
#7  0x00007f7cefe51f05 in QQmlThreadPrivate::run() (this=0x47ae780) at qml/ftw/qqmlthread.cpp:141
#8  0x00007f7ced5c887e in QThreadPrivate::start(void*) (arg=0x47ae780) at thread/qthread_unix.cpp:337
#9  0x00007f7cec5460a4 in start_thread (arg=0x7f7bfeb25700) at pthread_create.c:309
#10 0x00007f7cecf5607d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 5 (Thread 0x7f7bfdb24700 (LWP 8112)):
#0  0x00007f7ce9ad987c in g_main_context_check (context=context@entry=0x7f7c1c003010, max_priority=<optimized out>, fds=fds@entry=0x7f7c1c003630, n_fds=n_fds@entry=1) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3719
#1  0x00007f7ce9ad9e60 in g_main_context_iterate (context=context@entry=0x7f7c1c003010, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3805
#2  0x00007f7ce9ad9fcc in g_main_context_iteration (context=0x7f7c1c003010, may_block=1) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3869
#3  0x00007f7ced81135c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f7c1c003560, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f7ced7b5b62 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f7bfdb23c60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f7ced5c38b4 in QThread::exec() (this=this@entry=0x49811f0) at thread/qthread.cpp:503
#6  0x00007f7cefe51f05 in QQmlThreadPrivate::run() (this=0x49811f0) at qml/ftw/qqmlthread.cpp:141
#7  0x00007f7ced5c887e in QThreadPrivate::start(void*) (arg=0x49811f0) at thread/qthread_unix.cpp:337
#8  0x00007f7cec5460a4 in start_thread (arg=0x7f7bfdb24700) at pthread_create.c:309
#9  0x00007f7cecf5607d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 4 (Thread 0x7f7bfbe7e700 (LWP 10249)):
#0  0x00007f7cec54a08f in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f7ced5c99db in QWaitCondition::wait(QMutex*, unsigned long) (time=18446744073709551615, this=0x5149f80) at thread/qwaitcondition_unix.cpp:136
#2  0x00007f7ced5c99db in QWaitCondition::wait(QMutex*, unsigned long) (this=this@entry=0x5130498, mutex=mutex@entry=0x5130490, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f7cf0341f2b in QSGRenderThread::processEventsAndWaitForMore() (wait=true, this=0x5130488) at scenegraph/qsgthreadedrenderloop.cpp:232
#4  0x00007f7cf0341f2b in QSGRenderThread::processEventsAndWaitForMore() (this=this@entry=0x5130410) at scenegraph/qsgthreadedrenderloop.cpp:643
#5  0x00007f7cf0342320 in QSGRenderThread::run() (this=0x5130410) at scenegraph/qsgthreadedrenderloop.cpp:672
#6  0x00007f7ced5c887e in QThreadPrivate::start(void*) (arg=0x5130410) at thread/qthread_unix.cpp:337
#7  0x00007f7cec5460a4 in start_thread (arg=0x7f7bfbe7e700) at pthread_create.c:309
#8  0x00007f7cecf5607d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (Thread 0x7f7bff326700 (LWP 16605)):
#0  0x00007f7cec54a08f in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f7ced5c99db in QWaitCondition::wait(QMutex*, unsigned long) (time=18446744073709551615, this=0x4257060) at thread/qwaitcondition_unix.cpp:136
#2  0x00007f7ced5c99db in QWaitCondition::wait(QMutex*, unsigned long) (this=this@entry=0x4e383b8, mutex=mutex@entry=0x4e383b0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f7cf0341f2b in QSGRenderThread::processEventsAndWaitForMore() (wait=true, this=0x4e383a8) at scenegraph/qsgthreadedrenderloop.cpp:232
#4  0x00007f7cf0341f2b in QSGRenderThread::processEventsAndWaitForMore() (this=this@entry=0x4e38330) at scenegraph/qsgthreadedrenderloop.cpp:643
#5  0x00007f7cf0342320 in QSGRenderThread::run() (this=0x4e38330) at scenegraph/qsgthreadedrenderloop.cpp:672
#6  0x00007f7ced5c887e in QThreadPrivate::start(void*) (arg=0x4e38330) at thread/qthread_unix.cpp:337
#7  0x00007f7cec5460a4 in start_thread (arg=0x7f7bff326700) at pthread_create.c:309
#8  0x00007f7cecf5607d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7f7bf85bf700 (LWP 20812)):
[KCrash Handler]
#6  0x00007f7ced5c6976 in QThreadStorageData::finish(void**) (this=0xf8) at ../../include/QtCore/../../src/corelib/tools/qvector.h:84
#7  0x00007f7ced5c6976 in QThreadStorageData::finish(void**) (p=p@entry=0xf8) at thread/qthreadstorage.cpp:169
#8  0x00007f7ced5c79ef in QThreadPrivate::finish(void*) (arg=arg@entry=0x5565d80) at thread/qthread_unix.cpp:357
#9  0x00007f7ced5c889f in QThreadPrivate::start(void*) (this=<synthetic pointer>, __in_chrg=<optimized out>) at /usr/include/pthread.h:572
#10 0x00007f7ced5c889f in QThreadPrivate::start(void*) (arg=0x5565d80) at thread/qthread_unix.cpp:339
#11 0x00007f7cec5460a4 in start_thread (arg=0x7f7bf85bf700) at pthread_create.c:309
#12 0x00007f7cecf5607d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7f7cde066940 (LWP 2807)):
#0  0x00007f7cec54a08f in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f7cf0fb84a9 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f7cf0fb9b6f in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f7cf0fb9c81 in xcb_wait_for_reply () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#4  0x00007f7cf1213317 in _XReply () at /usr/lib/x86_64-linux-gnu/libX11.so.6
#5  0x00007f7ce277a07a in XSyncQueryCounter () at /usr/lib/x86_64-linux-gnu/libXext.so.6
#6  0x00007f7c0cb98624 in  () at /usr/lib/x86_64-linux-gnu/libKF5IdleTime.so.5
#7  0x00007f7c0ce0b162 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/plasma/dataengine/plasma_engine_powermanagement.so
#8  0x00007f7cf0d48fab in  () at /usr/lib/x86_64-linux-gnu/libKF5Plasma.so.5
#9  0x00007f7ced7e912e in QMetaObject::activate(QObject*, int, int, void**) (sender=0x3c20120, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffc0c91ea0) at kernel/qobject.cpp:3717
#10 0x00007f7cf0d45752 in Plasma::DataContainer::updateRequested(Plasma::DataContainer*) () at /usr/lib/x86_64-linux-gnu/libKF5Plasma.so.5
#11 0x00007f7cf0d4fac8 in  () at /usr/lib/x86_64-linux-gnu/libKF5Plasma.so.5
#12 0x00007f7ced7e9e43 in QObject::event(QEvent*) (this=0x3c32ed0, e=<optimized out>) at kernel/qobject.cpp:1267
#13 0x00007f7cee2b6adc in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=this@entry=0x21a6470, receiver=receiver@entry=0x3c32ed0, e=e@entry=0x7fffc0c921b0) at kernel/qapplication.cpp:3720
#14 0x00007f7cee2bbfb0 in QApplication::notify(QObject*, QEvent*) (this=0x7fffc0c94620, receiver=0x3c32ed0, e=0x7fffc0c921b0) at kernel/qapplication.cpp:3503
#15 0x00007f7ced7b83ab in QCoreApplication::notifyInternal(QObject*, QEvent*) (this=0x7fffc0c94620, receiver=0x3c32ed0, event=event@entry=0x7fffc0c921b0) at kernel/qcoreapplication.cpp:935
#16 0x00007f7ced8101d5 in QTimerInfoList::activateTimers() (event=0x7fffc0c921b0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:228
#17 0x00007f7ced8101d5 in QTimerInfoList::activateTimers() (this=0x21f35c0) at kernel/qtimerinfo_unix.cpp:635
#18 0x00007f7ced810689 in idleTimerSourceDispatch(GSource*, GSourceFunc, gpointer) (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:177
#19 0x00007f7ced810689 in idleTimerSourceDispatch(GSource*, GSourceFunc, gpointer) (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:224
#20 0x00007f7ce9ad9c3d in g_main_context_dispatch (context=0x7f7cd4001710) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3122
#21 0x00007f7ce9ad9c3d in g_main_context_dispatch (context=context@entry=0x7f7cd4001710) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3737
#22 0x00007f7ce9ad9f20 in g_main_context_iterate (context=context@entry=0x7f7cd4001710, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3808
#23 0x00007f7ce9ad9fcc in g_main_context_iteration (context=0x7f7cd4001710, may_block=1) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3869
#24 0x00007f7ced81135c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x21fa570, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#25 0x00007f7ced7b5b62 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fffc0c92400, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#26 0x00007f7cee43afb0 in QMenu::exec(QPoint const&, QAction*) (this=<optimized out>, p=..., action=0x0) at widgets/qmenu.cpp:2180
#27 0x00007f7c271a8577 in  () at /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/private/desktopcontainment/folder/libfolderplugin.so
#28 0x00007f7c271c813e in  () at /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/private/desktopcontainment/folder/libfolderplugin.so
#29 0x00007f7c271c9067 in  () at /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/private/desktopcontainment/folder/libfolderplugin.so
#30 0x00007f7cefd9430d in CallMethod(QObject*, int, int, int, int*, QV8Engine*, QV4::CallData*) (object=object@entry=0x319e6f0, index=108, returnType=returnType@entry=43, argCount=argCount@entry=0, argTypes=argTypes@entry=0x0, engine=engine@entry=0x28f31b0, callArgs=0x7f7cb21c3098) at jsruntime/qv4qobjectwrapper.cpp:1169
#31 0x00007f7cefd96935 in CallPrecise(QObject*, QQmlPropertyData const&, QV8Engine*, QV4::CallData*) (object=object@entry=0x319e6f0, data=..., engine=engine@entry=0x28f31b0, callArgs=callArgs@entry=0x7f7cb21c3098) at jsruntime/qv4qobjectwrapper.cpp:1407
#32 0x00007f7cefd97053 in QV4::QObjectMethod::callInternal(QV4::CallData*) (this=<optimized out>, callData=0x7f7cb21c3098) at jsruntime/qv4qobjectwrapper.cpp:1888
#33 0x00007f7cefda2ab8 in QV4::Runtime::callProperty(QV4::ExecutionContext*, QV4::String*, QV4::CallData*) (d=0x7f7cb21c3098, this=<optimized out>) at jsruntime/qv4object_p.h:278
#34 0x00007f7cefda2ab8 in QV4::Runtime::callProperty(QV4::ExecutionContext*, QV4::String*, QV4::CallData*) (context=0x7fffc0c92d40, name=0x7f7cc4113dc0, callData=0x7f7cb21c3098) at jsruntime/qv4runtime.cpp:934
#35 0x00007f7c267f4cc8 in  ()
#36 0x00000000027427b0 in  ()
#37 0x00007fffc0c92ca0 in  ()
#38 0x0003000000000007 in  ()
#39 0x0001800000000000 in  ()
#40 0x00007f7cb21c3000 in  ()
#41 0x0000000004796de0 in  ()
#42 0x00000000047b9ff0 in  ()
#43 0x00000000029055e0 in  ()
#44 0x00000000029055e0 in  ()
#45 0x00007f7cb21c3058 in  ()
#46 0x00007f7cc4196000 in  ()
#47 0x00007f7cefd52896 in QV4::SimpleScriptFunction::call(QV4::Managed*, QV4::CallData*) (that=0x7f7cc411efe0, callData=<optimized out>) at jsruntime/qv4functionobject.cpp:511
#48 0x00007f7cefe37c2f in QQmlJavaScriptExpression::evaluate(QQmlContextData*, QV4::ValueRef, QV4::CallData*, bool*) (d=0x26b0bd0, this=<optimized out>) at ../../include/QtQml/5.4.2/QtQml/private/../../../../../src/qml/jsruntime/qv4object_p.h:278
#49 0x00007f7cefe37c2f in QQmlJavaScriptExpression::evaluate(QQmlContextData*, QV4::ValueRef, QV4::CallData*, bool*) (this=this@entry=0x31eaac0, context=<optimized out>, function=..., function@entry=..., callData=callData@entry=0x7f7cb21c3008, isUndefined=isUndefined@entry=0x0) at qml/qqmljavascriptexpression.cpp:158
#50 0x00007f7cefdd8b16 in QQmlBoundSignalExpression::evaluate(void**) (this=<optimized out>, a=a@entry=0x7fffc0c932d0) at qml/qqmlboundsignal.cpp:281
#51 0x00007f7cefdd955b in QQmlBoundSignal_callback(QQmlNotifierEndpoint*, void**) (e=0x31e4758, a=0x7fffc0c932d0) at qml/qqmlboundsignal.cpp:408
#52 0x00007f7cefe1a437 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) (endpoint=0x31e4758, a=a@entry=0x7fffc0c932d0) at qml/qqmlnotifier.cpp:73
#53 0x00007f7cefdb709c in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) (object=0x2fb41c0, index=29, a=0x7fffc0c932d0) at qml/qqmlengine.cpp:717
#54 0x00007f7ced7e88a1 in QMetaObject::activate(QObject*, int, int, void**) (sender=0x2fb41c0, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffc0c932d0) at kernel/qobject.cpp:3603
#55 0x00007f7c26830f5f in  () at /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kquickcontrolsaddons/libkquickcontrolsaddonsplugin.so
#56 0x00007f7c26825003 in  () at /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kquickcontrolsaddons/libkquickcontrolsaddonsplugin.so
#57 0x00007f7cf03607d8 in QQuickItem::event(QEvent*) (this=0x2fb41c0, ev=0x5116700) at items/qquickitem.cpp:7298
#58 0x00007f7cee2b6adc in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=this@entry=0x21a6470, receiver=receiver@entry=0x2fb41c0, e=e@entry=0x5116700) at kernel/qapplication.cpp:3720
#59 0x00007f7cee2bbfb0 in QApplication::notify(QObject*, QEvent*) (this=0x7fffc0c94620, receiver=0x2fb41c0, e=0x5116700) at kernel/qapplication.cpp:3503
#60 0x00007f7ced7b83ab in QCoreApplication::notifyInternal(QObject*, QEvent*) (this=0x7fffc0c94620, receiver=receiver@entry=0x2fb41c0, event=event@entry=0x5116700) at kernel/qcoreapplication.cpp:935
#61 0x00007f7cf0371113 in QQuickWindow::sendEvent(QQuickItem*, QEvent*) (event=0x5116700, receiver=0x2fb41c0) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qcoreapplication.h:228
#62 0x00007f7cf0371113 in QQuickWindow::sendEvent(QQuickItem*, QEvent*) (this=this@entry=0x27427b0, item=item@entry=0x2fb41c0, e=e@entry=0x5116700) at items/qquickwindow.cpp:2534
#63 0x00007f7cf03713de in QQuickWindowPrivate::deliverInitialMousePressEvent(QQuickItem*, QMouseEvent*) (this=this@entry=0x27e6ae0, item=item@entry=0x2fb41c0, event=event@entry=0x7fffc0c94100) at items/qquickwindow.cpp:1481
#64 0x00007f7cf0371324 in QQuickWindowPrivate::deliverInitialMousePressEvent(QQuickItem*, QMouseEvent*) (this=this@entry=0x27e6ae0, item=item@entry=0x2fb3de0, event=event@entry=0x7fffc0c94100) at items/qquickwindow.cpp:1471
#65 0x00007f7cf0371324 in QQuickWindowPrivate::deliverInitialMousePressEvent(QQuickItem*, QMouseEvent*) (this=this@entry=0x27e6ae0, item=item@entry=0x31060d0, event=event@entry=0x7fffc0c94100) at items/qquickwindow.cpp:1471
#66 0x00007f7cf0371324 in QQuickWindowPrivate::deliverInitialMousePressEvent(QQuickItem*, QMouseEvent*) (this=this@entry=0x27e6ae0, item=item@entry=0x30d5260, event=event@entry=0x7fffc0c94100) at items/qquickwindow.cpp:1471
#67 0x00007f7cf0371324 in QQuickWindowPrivate::deliverInitialMousePressEvent(QQuickItem*, QMouseEvent*) (this=this@entry=0x27e6ae0, item=item@entry=0x30d3010, event=event@entry=0x7fffc0c94100) at items/qquickwindow.cpp:1471
#68 0x00007f7cf0371324 in QQuickWindowPrivate::deliverInitialMousePressEvent(QQuickItem*, QMouseEvent*) (this=this@entry=0x27e6ae0, item=item@entry=0x278db10, event=event@entry=0x7fffc0c94100) at items/qquickwindow.cpp:1471
#69 0x00007f7cf0371324 in QQuickWindowPrivate::deliverInitialMousePressEvent(QQuickItem*, QMouseEvent*) (this=this@entry=0x27e6ae0, item=item@entry=0x3069280, event=event@entry=0x7fffc0c94100) at items/qquickwindow.cpp:1471
#70 0x00007f7cf0371324 in QQuickWindowPrivate::deliverInitialMousePressEvent(QQuickItem*, QMouseEvent*) (this=this@entry=0x27e6ae0, item=0x28e8bb0, event=event@entry=0x7fffc0c94100) at items/qquickwindow.cpp:1471
#71 0x00007f7cf0371567 in QQuickWindowPrivate::deliverMouseEvent(QMouseEvent*) (this=this@entry=0x27e6ae0, event=event@entry=0x7fffc0c94100) at items/qquickwindow.cpp:1502
#72 0x00007f7cf03715e2 in QQuickWindow::mousePressEvent(QMouseEvent*) (this=this@entry=0x27427b0, event=event@entry=0x7fffc0c94100) at items/qquickwindow.cpp:1533
#73 0x00007f7cf04217de in QQuickView::mousePressEvent(QMouseEvent*) (this=0x27427b0, e=0x7fffc0c94100) at items/qquickview.cpp:619
#74 0x00007f7cedaf16a5 in QWindow::event(QEvent*) (this=this@entry=0x27427b0, ev=ev@entry=0x7fffc0c94100) at kernel/qwindow.cpp:2058
#75 0x00007f7cf0378c63 in QQuickWindow::event(QEvent*) (this=0x27427b0, e=0x7fffc0c94100) at items/qquickwindow.cpp:1394
#76 0x000000000043cab2 in DesktopView::event(QEvent*) ()
#77 0x00007f7cee2b6adc in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=this@entry=0x21a6470, receiver=receiver@entry=0x27427b0, e=e@entry=0x7fffc0c94100) at kernel/qapplication.cpp:3720
#78 0x00007f7cee2bbfb0 in QApplication::notify(QObject*, QEvent*) (this=0x7fffc0c94620, receiver=0x27427b0, e=0x7fffc0c94100) at kernel/qapplication.cpp:3503
#79 0x00007f7ced7b83ab in QCoreApplication::notifyInternal(QObject*, QEvent*) (this=0x7fffc0c94620, receiver=receiver@entry=0x27427b0, event=event@entry=0x7fffc0c94100) at kernel/qcoreapplication.cpp:935
#80 0x00007f7cedae8e83 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) (event=0x7fffc0c94100, receiver=0x27427b0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#81 0x00007f7cedae8e83 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) (e=0x549b280) at kernel/qguiapplication.cpp:1769
#82 0x00007f7cedaeaa75 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) (e=e@entry=0x549b280) at kernel/qguiapplication.cpp:1573
#83 0x00007f7cedacf24f in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) (flags=...) at kernel/qwindowsysteminterface.cpp:572
#84 0x00007f7cddfc1320 in userEventSourceDispatch(GSource*, GSourceFunc, gpointer) (source=<optimized out>) at eventdispatchers/qeventdispatcher_glib.cpp:70
#85 0x00007f7ce9ad9c3d in g_main_context_dispatch (context=0x7f7cd4001710) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3122
#86 0x00007f7ce9ad9c3d in g_main_context_dispatch (context=context@entry=0x7f7cd4001710) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3737
#87 0x00007f7ce9ad9f20 in g_main_context_iterate (context=context@entry=0x7f7cd4001710, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3808
#88 0x00007f7ce9ad9fcc in g_main_context_iteration (context=0x7f7cd4001710, may_block=1) at /tmp/buildd/glib2.0-2.44.1/./glib/gmain.c:3869
#89 0x00007f7ced811347 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x21fa570, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#90 0x00007f7ced7b5b62 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fffc0c944a0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#91 0x00007f7ced7bd7ac in QCoreApplication::exec() () at kernel/qcoreapplication.cpp:1188
#92 0x0000000000430a43 in main ()

Possible duplicates by query: bug 347448, bug 347403.

Reported using DrKonqi
Comment 1 David Edmundson 2015-07-30 15:52:38 UTC 
>#26 0x00007f7cee43afb0 in QMenu::exec(QPoint const&, QAction*) (this=<optimized out>, p=..., action=0x0) at widgets/qmenu.cpp:2180
#27 0x00007f7c271a8577 in () at /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/private/desktopcontainment/folder/libfolderplugin.so

execs in the main thread from QtQuick always seem to do something weird. Is this one possible to port away from?
Comment 2 David Edmundson 2015-08-23 21:13:04 UTC 
*** Bug 351668 has been marked as a duplicate of this bug. ***
Comment 3 David Edmundson 2015-08-23 21:13:15 UTC 
*** Bug 347448 has been marked as a duplicate of this bug. ***
Comment 4 Eike Hein 2015-09-01 11:04:18 UTC 
Git commit 19d6267711fb9c769f94166c657370b308083e9e by Eike Hein.
Committed on 01/09/2015 at 11:03.
Pushed by hein into branch 'master'.

Open context menu asynchronously.

M  +2    -2    containments/desktop/plugins/folder/foldermodel.cpp

http://commits.kde.org/plasma-desktop/19d6267711fb9c769f94166c657370b308083e9e
Comment 5 Bhushan Shah 2015-09-08 07:38:29 UTC 
*** Bug 352413 has been marked as a duplicate of this bug. ***
Comment 6 David Edmundson 2021-07-16 12:55:08 UTC 
*** Bug 439941 has been marked as a duplicate of this bug. ***