Bug 354619

Summary: Muon crash
Product: [Plasma] plasmashell Reporter: dylan.bedin
Component: generalAssignee: David Edmundson <kde>
Status: RESOLVED DUPLICATE    
Severity: crash CC: bhush94, plasma-bugs
Priority: NOR Keywords: drkonqi
Version: 5.4.2   
Target Milestone: 1.0   
Platform: Ubuntu   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description dylan.bedin 2015-10-30 21:39:59 UTC 
Application: plasmashell (5.4.2)

Qt Version: 5.4.2
Operating System: Linux 4.2.0-16-generic x86_64
Distribution: Ubuntu 15.10

-- Information about the crash:
- What I was doing when the application crashed:
I was trying to check if muon had some updates for me then... POUF

The crash can be reproduced sometimes.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f7885206800 (LWP 1382))]

Thread 16 (Thread 0x7f7870862700 (LWP 1386)):
#0  0x00007f787f9b38dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f78839fabd2 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f78839fc74f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f7872baca39 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
#4  0x00007f78800a62be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f787f1956aa in start_thread (arg=0x7f7870862700) at pthread_create.c:333
#6  0x00007f787f9beeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 15 (Thread 0x7f786a20e700 (LWP 1419)):
#0  0x00007f787c75d248 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f787c75f71b in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f787c76011b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f787c7602fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f78802dd29b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f788028375a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f78800a13d4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f78828c9f85 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f78800a62be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f787f1956aa in start_thread (arg=0x7f786a20e700) at pthread_create.c:333
#10 0x00007f787f9beeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 14 (Thread 0x7f785ed9d700 (LWP 1421)):
#0  0x00007f78802db237 in QTimerInfoList::repairTimersIfNeeded() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007f78802db2a3 in QTimerInfoList::timerWait(timespec&) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f78802dc67e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f787c75f77d in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f787c76011b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f787c7602fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f78802dd29b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f788028375a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f78800a13d4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f78828c9f85 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007f78800a62be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f787f1956aa in start_thread (arg=0x7f785ed9d700) at pthread_create.c:333
#12 0x00007f787f9beeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 13 (Thread 0x7f7857fff700 (LWP 1428)):
#0  0x00007f787c75f9ca in g_main_context_query () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f787c760167 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f787c7602fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f78802dd29b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f788028375a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f78800a13d4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f78828c9f85 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f78800a62be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f787f1956aa in start_thread (arg=0x7f7857fff700) at pthread_create.c:333
#9  0x00007f787f9beeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7f7856bd7700 (LWP 1433)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f7884c55114 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007f7884c55159 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007f787f1956aa in start_thread (arg=0x7f7856bd7700) at pthread_create.c:333
#4  0x00007f787f9beeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7f77cbfff700 (LWP 1437)):
#0  0x00007f787f9b38dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f787c7601ec in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f787c7602fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f78802dd29b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f788028375a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f78800a13d4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f7883245ef6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f78800a62be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f787f1956aa in start_thread (arg=0x7f77cbfff700) at pthread_create.c:333
#9  0x00007f787f9beeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7f77bb70d700 (LWP 1446)):
#0  0x00007f787c75d255 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f787c75f71b in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f787c76011b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f787c7602fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f78802dd29b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f788028375a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f78800a13d4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f77bda278f7 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#8  0x00007f78800a62be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f787f1956aa in start_thread (arg=0x7f77bb70d700) at pthread_create.c:333
#10 0x00007f787f9beeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7f77b2040700 (LWP 1464)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f78800a755b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f77cad0929f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#3  0x00007f77cad0d4c8 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007f77cad0844d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f77cad0d522 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f77cad0844d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f77cad0b423 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f78800a62be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f787f1956aa in start_thread (arg=0x7f77b2040700) at pthread_create.c:333
#10 0x00007f787f9beeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7f77b183f700 (LWP 1465)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f78800a755b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f77cad0929f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#3  0x00007f77cad0d4c8 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007f77cad0844d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f77cad0d522 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f77cad0844d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f77cad0b423 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f78800a62be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f787f1956aa in start_thread (arg=0x7f77b183f700) at pthread_create.c:333
#10 0x00007f787f9beeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7f77b103e700 (LWP 1466)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f78800a755b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f77cad0929f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#3  0x00007f77cad0d4c8 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007f77cad0844d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f77cad0d522 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f77cad0844d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f77cad0d522 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f77cad0844d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f77cad0d522 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f77cad0844d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007f77cad0d522 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#12 0x00007f77cad0844d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#13 0x00007f77cad0d522 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#14 0x00007f77cad0844d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#15 0x00007f77cad0d522 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#16 0x00007f77cad0844d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#17 0x00007f77cad0b423 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#18 0x00007f78800a62be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007f787f1956aa in start_thread (arg=0x7f77b103e700) at pthread_create.c:333
#20 0x00007f787f9beeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f77b083d700 (LWP 1467)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f78800a755b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f77cad0929f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#3  0x00007f77cad0d4c8 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007f77cad0844d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f77cad0d522 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f77cad0844d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f77cad0d522 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f77cad0844d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f77cad0b423 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f78800a62be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f787f1956aa in start_thread (arg=0x7f77b083d700) at pthread_create.c:333
#12 0x00007f787f9beeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f779ffff700 (LWP 1468)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f78800a755b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f77cad0929f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#3  0x00007f77cad0d4c8 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007f77cad0844d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f77cad0d522 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f77cad0844d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f77cad0d522 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f77cad0844d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f77cad0b423 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f78800a62be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f787f1956aa in start_thread (arg=0x7f779ffff700) at pthread_create.c:333
#12 0x00007f787f9beeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f7797fff700 (LWP 1469)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f78800a755b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f77cad0929f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#3  0x00007f77cad0d4c8 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007f77cad0844d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f77cad0d522 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f77cad0844d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f77cad0d522 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f77cad0844d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f77cad0d522 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f77cad0844d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007f77cad0d522 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#12 0x00007f77cad0844d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#13 0x00007f77cad0b423 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#14 0x00007f78800a62be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f787f1956aa in start_thread (arg=0x7f7797fff700) at pthread_create.c:333
#16 0x00007f787f9beeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f778f7fe700 (LWP 1470)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f78800a755b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f77cad0929f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#3  0x00007f77cad0d4c8 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007f77cad0844d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f77cad0d522 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f77cad0844d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f77cad0d522 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f77cad0844d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f77cad0b423 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f78800a62be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f787f1956aa in start_thread (arg=0x7f778f7fe700) at pthread_create.c:333
#12 0x00007f787f9beeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f779f6e2700 (LWP 1471)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f78800a755b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f77cad0929f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#3  0x00007f77cad0d4c8 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007f77cad0844d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f77cad0d522 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f77cad0844d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f77cad0b423 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f78800a62be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f787f1956aa in start_thread (arg=0x7f779f6e2700) at pthread_create.c:333
#10 0x00007f787f9beeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f7885206800 (LWP 1382)):
[KCrash Handler]
#6  brw_meta_fast_clear (brw=brw@entry=0x2780a68, fb=fb@entry=0x5a55e90, buffers=buffers@entry=34, partial_clear=partial_clear@entry=false) at ../../../../../../../src/mesa/drivers/dri/i965/brw_meta_fast_clear.c:451
#7  0x00007f7863948dcc in brw_clear (ctx=0x2780a68, mask=34) at ../../../../../../../src/mesa/drivers/dri/i965/brw_clear.c:247
#8  0x00007f788327837a in QSGBatchRenderer::Renderer::renderBatches() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#9  0x00007f788327cb3a in QSGBatchRenderer::Renderer::render() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#10 0x00007f7883287a1c in QSGRenderer::renderScene(QSGBindable const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007f7883287e9b in QSGRenderer::renderScene(unsigned int) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#12 0x00007f78832965be in QSGRenderContext::renderNextFrame(QSGRenderer*, unsigned int) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#13 0x00007f78832e020c in QQuickWindowPrivate::renderSceneGraph(QSize const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#14 0x00007f78832b0bac in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#15 0x00007f78832b16d1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#16 0x00007f7880d63b8c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#17 0x00007f7880d69230 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#18 0x00007f7880285f1b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007f78802dc09d in QTimerInfoList::activateTimers() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007f78802dc5a1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007f787c75fff7 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f787c760250 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f787c7602fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f78802dd27f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007f788028375a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007f788028b2cc in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00000000004322c3 in main (argc=2, argv=<optimized out>) at ../../shell/main.cpp:176

Possible duplicates by query: bug 354243, bug 354155, bug 353609, bug 352979, bug 352972.

Reported using DrKonqi
Comment 1 David Edmundson 2015-11-02 17:33:39 UTC 
#6 brw_meta_fast_clear (brw=brw@entry=0x2780a68, fb=fb@entry=0x5a55e90, buffers=buffers@entry=34, partial_clear=partial_clear@entry=false) at ../../../../../../../src/mesa/drivers/dri/i965/brw_meta_fast_clear.c:451

This is crashing in your graphic driver which we can't do much about.

Please upgrade/downgrade your version of mesa. See information (including a workaround) in the linked report.

*** This bug has been marked as a duplicate of bug 349519 ***