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
#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 ***