Application: krunner (5.18.5)

Qt Version: 5.12.8
Frameworks Version: 5.68.0
Operating System: Linux 5.8.0-050800-generic x86_64
Windowing system: X11
Distribution: Ubuntu 20.04.1 LTS

-- Information about the crash:
- What I was doing when the application crashed:

Just tried to launch Firefox through krunner when it crashed.

-- Backtrace:
Application: krunner (krunner), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7ffe28584048) at ../sysdeps/nptl/futex-internal.h:183
[Current thread is 1 (Thread 0x7fd17860d800 (LWP 4274))]

Thread 18 (Thread 0x7fd12a7fc700 (LWP 4308)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5634a9fcb9b0) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5634a9fcb960, cond=0x5634a9fcb988) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x5634a9fcb988, mutex=0x5634a9fcb960) at pthread_cond_wait.c:638
#3  0x00007fd17c5bbb0f in QWaitConditionPrivate::wait (deadline=..., this=0x5634a9fcb960) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x5634a9fcb5c0, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007fd17c5bbc01 in QWaitCondition::wait (this=0x5634a9fcb8c8, mutex=0x5634a9fcb5c0, time=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#6  0x00007fd16c020050 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fd16c023d4e in ?? () from /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fd16c01f222 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007fd16c023da9 in ?? () from /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007fd16c01f222 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007fd16c021cb3 in ThreadWeaver::Thread::run() () from /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#12 0x00007fd17c5b59d2 in QThreadPrivate::start (arg=0x7fd1140056f0) at thread/qthread_unix.cpp:361
#13 0x00007fd17b900609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#14 0x00007fd17c244103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7fd12affd700 (LWP 4307)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fd17c5b5c75 in QtLinuxFutex::_q_futex (val3=0, addr2=0x0, val2=0, val=3, op=0, addr=0x5634aa31f250) at thread/qfutex_p.h:105
#2  QtLinuxFutex::futexWait<QBasicAtomicPointer<QMutexData> > (expectedValue=0x3, futex=...) at thread/qfutex_p.h:107
#3  lockInternal_helper<false> (timeout=-1, elapsedTimer=0x0, d_ptr=...) at thread/qmutex_linux.cpp:142
#4  QBasicMutex::lockInternal (this=0x5634aa31f250) at thread/qmutex_linux.cpp:159
#5  0x00007fd17c5b5e6e in QMutex::lock (this=this@entry=0x5634aa31f250) at thread/qmutex.cpp:227
#6  0x00007fd14292629b in QMutexLocker::QMutexLocker (m=0x5634aa31f250, this=<synthetic pointer>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qmutex.h:206
#7  InstallerRunner::findComponentsByString (this=this@entry=0x5634aa31f220, query=...) at ./runners/appstream/appstreamrunner.cpp:118
#8  0x00007fd1429267a1 in InstallerRunner::match (this=0x5634aa31f220, context=...) at ./runners/appstream/appstreamrunner.cpp:85
#9  0x00007fd16333f1f8 in Plasma::AbstractRunner::performMatch(Plasma::RunnerContext&) () from /lib/x86_64-linux-gnu/libKF5Runner.so.5
#10 0x00007fd16335059c in ?? () from /lib/x86_64-linux-gnu/libKF5Runner.so.5
#11 0x00007fd16c02345d in ThreadWeaver::Executor::run(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () from /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#12 0x00007fd16c022177 in ThreadWeaver::Job::execute(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () from /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#13 0x00007fd16c021d51 in ThreadWeaver::Thread::run() () from /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#14 0x00007fd17c5b59d2 in QThreadPrivate::start (arg=0x7fd1140029e0) at thread/qthread_unix.cpp:361
#15 0x00007fd17b900609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#16 0x00007fd17c244103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7fd12b7fe700 (LWP 4306)):
[KCrash Handler]
#6  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
#7  0x00007fd17c147859 in __GI_abort () at abort.c:79
#8  0x00007fd142583a83 in mdb_assert_fail (env=0x7fd1200049f0, expr_txt=expr_txt@entry=0x7fd142586270 "IS_BRANCH(mc->mc_pg[mc->mc_top])", func=func@entry=0x7fd1425868f0 <__func__.8022> "mdb_cursor_sibling", line=line@entry=5837, file=0x7fd142586010 "mdb.c") at mdb.c:1542
#9  0x00007fd142578a27 in mdb_cursor_sibling (mc=mc@entry=0x7fd114004600, move_right=move_right@entry=1) at mdb.c:5403
#10 0x00007fd1425789ba in mdb_cursor_sibling (mc=mc@entry=0x7fd114004600, move_right=move_right@entry=1) at mdb.c:5823
#11 0x00007fd14257a7cd in mdb_cursor_next (mc=mc@entry=0x7fd114004600, key=0x7fd12b7fd9c0, data=data@entry=0x7fd12b7fd9d0, op=MDB_NEXT) at mdb.c:5902
#12 0x00007fd1425792f2 in mdb_cursor_get (mc=0x7fd114004600, key=key@entry=0x7fd12b7fd9c0, data=data@entry=0x7fd12b7fd9d0, op=op@entry=MDB_NEXT) at mdb.c:6441
#13 0x00007fd142886fab in as_cache_search (cache=0x5634aa7268d0, terms=terms@entry=0x7fd114007f90, sort=sort@entry=0, error=error@entry=0x7fd12b7fda50) at ../src/as-cache.c:2237
#14 0x00007fd142898176 in as_pool_search (pool=0x5634aa3220e0, search=<optimized out>) at ../src/as-pool.c:1770
#15 0x00007fd1428e86c7 in AppStream::Pool::search (this=0x5634aa31f238, term=...) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qarraydata.h:61
#16 0x00007fd1429262ee in InstallerRunner::findComponentsByString (this=this@entry=0x5634aa31f220, query=...) at ./runners/appstream/appstreamrunner.cpp:131
#17 0x00007fd1429267a1 in InstallerRunner::match (this=0x5634aa31f220, context=...) at ./runners/appstream/appstreamrunner.cpp:85
#18 0x00007fd16333f1f8 in Plasma::AbstractRunner::performMatch(Plasma::RunnerContext&) () from /lib/x86_64-linux-gnu/libKF5Runner.so.5
#19 0x00007fd16335059c in ?? () from /lib/x86_64-linux-gnu/libKF5Runner.so.5
#20 0x00007fd16c02345d in ThreadWeaver::Executor::run(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () from /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#21 0x00007fd16c022177 in ThreadWeaver::Job::execute(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () from /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#22 0x00007fd16c021d51 in ThreadWeaver::Thread::run() () from /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#23 0x00007fd17c5b59d2 in QThreadPrivate::start (arg=0x7fd124005770) at thread/qthread_unix.cpp:361
#24 0x00007fd17b900609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#25 0x00007fd17c244103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7fd12bfff700 (LWP 4305)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5634a9fcb9b0) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5634a9fcb960, cond=0x5634a9fcb988) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x5634a9fcb988, mutex=0x5634a9fcb960) at pthread_cond_wait.c:638
#3  0x00007fd17c5bbb0f in QWaitConditionPrivate::wait (deadline=..., this=0x5634a9fcb960) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x5634a9fcb5c0, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007fd17c5bbc01 in QWaitCondition::wait (this=0x5634a9fcb8c8, mutex=0x5634a9fcb5c0, time=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#6  0x00007fd16c020050 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fd16c023d4e in ?? () from /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fd16c01f222 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007fd16c023da9 in ?? () from /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007fd16c01f222 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007fd16c021cb3 in ThreadWeaver::Thread::run() () from /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#12 0x00007fd17c5b59d2 in QThreadPrivate::start (arg=0x5634aa1f6dc0) at thread/qthread_unix.cpp:361
#13 0x00007fd17b900609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#14 0x00007fd17c244103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7fd130bb3700 (LWP 4304)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5634a9fcb9b0) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5634a9fcb960, cond=0x5634a9fcb988) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x5634a9fcb988, mutex=0x5634a9fcb960) at pthread_cond_wait.c:638
#3  0x00007fd17c5bbb0f in QWaitConditionPrivate::wait (deadline=..., this=0x5634a9fcb960) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x5634a9fcb5c0, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007fd17c5bbc01 in QWaitCondition::wait (this=0x5634a9fcb8c8, mutex=0x5634a9fcb5c0, time=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#6  0x00007fd16c020050 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fd16c023d4e in ?? () from /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fd16c01f222 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007fd16c023da9 in ?? () from /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007fd16c01f222 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007fd16c021cb3 in ThreadWeaver::Thread::run() () from /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#12 0x00007fd17c5b59d2 in QThreadPrivate::start (arg=0x7fd1240029e0) at thread/qthread_unix.cpp:361
#13 0x00007fd17b900609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#14 0x00007fd17c244103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7fd1313b4700 (LWP 4303)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5634a9fcb9b0) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5634a9fcb960, cond=0x5634a9fcb988) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x5634a9fcb988, mutex=0x5634a9fcb960) at pthread_cond_wait.c:638
#3  0x00007fd17c5bbb0f in QWaitConditionPrivate::wait (deadline=..., this=0x5634a9fcb960) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x5634a9fcb5c0, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007fd17c5bbc01 in QWaitCondition::wait (this=0x5634a9fcb8c8, mutex=0x5634a9fcb5c0, time=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#6  0x00007fd16c020050 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fd16c023d4e in ?? () from /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fd16c01f222 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007fd16c023da9 in ?? () from /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007fd16c01f222 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007fd16c021cb3 in ThreadWeaver::Thread::run() () from /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#12 0x00007fd17c5b59d2 in QThreadPrivate::start (arg=0x5634aa1e3d30) at thread/qthread_unix.cpp:361
#13 0x00007fd17b900609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#14 0x00007fd17c244103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7fd1293b4700 (LWP 4302)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fd17c5b5c75 in QtLinuxFutex::_q_futex (val3=0, addr2=0x0, val2=0, val=3, op=0, addr=0x5634aa31f250) at thread/qfutex_p.h:105
#2  QtLinuxFutex::futexWait<QBasicAtomicPointer<QMutexData> > (expectedValue=0x3, futex=...) at thread/qfutex_p.h:107
#3  lockInternal_helper<false> (timeout=-1, elapsedTimer=0x0, d_ptr=...) at thread/qmutex_linux.cpp:142
#4  QBasicMutex::lockInternal (this=0x5634aa31f250) at thread/qmutex_linux.cpp:159
#5  0x00007fd17c5b5e6e in QMutex::lock (this=this@entry=0x5634aa31f250) at thread/qmutex.cpp:227
#6  0x00007fd14292629b in QMutexLocker::QMutexLocker (m=0x5634aa31f250, this=<synthetic pointer>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qmutex.h:206
#7  InstallerRunner::findComponentsByString (this=this@entry=0x5634aa31f220, query=...) at ./runners/appstream/appstreamrunner.cpp:118
#8  0x00007fd1429267a1 in InstallerRunner::match (this=0x5634aa31f220, context=...) at ./runners/appstream/appstreamrunner.cpp:85
#9  0x00007fd16333f1f8 in Plasma::AbstractRunner::performMatch(Plasma::RunnerContext&) () from /lib/x86_64-linux-gnu/libKF5Runner.so.5
#10 0x00007fd16335059c in ?? () from /lib/x86_64-linux-gnu/libKF5Runner.so.5
#11 0x00007fd16c02345d in ThreadWeaver::Executor::run(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () from /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#12 0x00007fd16c022177 in ThreadWeaver::Job::execute(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () from /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#13 0x00007fd16c021d51 in ThreadWeaver::Thread::run() () from /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#14 0x00007fd17c5b59d2 in QThreadPrivate::start (arg=0x5634aa53b6a0) at thread/qthread_unix.cpp:361
#15 0x00007fd17b900609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#16 0x00007fd17c244103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7fd131bb5700 (LWP 4301)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5634a9fcb9b0) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5634a9fcb960, cond=0x5634a9fcb988) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x5634a9fcb988, mutex=0x5634a9fcb960) at pthread_cond_wait.c:638
#3  0x00007fd17c5bbb0f in QWaitConditionPrivate::wait (deadline=..., this=0x5634a9fcb960) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x5634a9fcb5c0, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007fd17c5bbc01 in QWaitCondition::wait (this=0x5634a9fcb8c8, mutex=0x5634a9fcb5c0, time=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#6  0x00007fd16c020050 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fd16c023d4e in ?? () from /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fd16c01f222 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007fd16c023da9 in ?? () from /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007fd16c01f222 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007fd16c021cb3 in ThreadWeaver::Thread::run() () from /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#12 0x00007fd17c5b59d2 in QThreadPrivate::start (arg=0x5634aa24aaa0) at thread/qthread_unix.cpp:361
#13 0x00007fd17b900609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#14 0x00007fd17c244103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7fd161479700 (LWP 4283)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fd148005dc0) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5634a9b9bd28, cond=0x7fd148005d98) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7fd148005d98, mutex=0x5634a9b9bd28) at pthread_cond_wait.c:638
#3  0x00007fd17be0bdf0 in ?? () from /lib/x86_64-linux-gnu/libxcb.so.1
#4  0x00007fd17be0da02 in xcb_wait_for_special_event () from /lib/x86_64-linux-gnu/libxcb.so.1
#5  0x00007fd175eb041e in glPrimitiveBoundingBox () from /lib/x86_64-linux-gnu/libGLX_mesa.so.0
#6  0x00007fd175eb0588 in glPrimitiveBoundingBox () from /lib/x86_64-linux-gnu/libGLX_mesa.so.0
#7  0x00007fd175eb174e in glPrimitiveBoundingBox () from /lib/x86_64-linux-gnu/libGLX_mesa.so.0
#8  0x00007fd175eb26ac in glPrimitiveBoundingBox () from /lib/x86_64-linux-gnu/libGLX_mesa.so.0
#9  0x00007fd17462c6b3 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#10 0x00007fd17462e7f4 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#11 0x00007fd17463a91c in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#12 0x00007fd17463af90 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#13 0x00007fd17465eb85 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#14 0x00007fd174663706 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#15 0x00007fd17dff201c in QSGBatchRenderer::Renderer::renderBatches() () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#16 0x00007fd17dff84b2 in QSGBatchRenderer::Renderer::render() () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#17 0x00007fd17dfe4964 in QSGRenderer::renderScene(QSGBindable const&) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#18 0x00007fd17dfe4e13 in QSGRenderer::renderScene(unsigned int) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#19 0x00007fd17e0272b4 in QSGDefaultRenderContext::renderNextFrame(QSGRenderer*, unsigned int) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#20 0x00007fd17e08d65c in QQuickWindowPrivate::renderSceneGraph(QSize const&) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#21 0x00007fd17e0335b8 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#22 0x00007fd17e037318 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#23 0x00007fd17c5b59d2 in QThreadPrivate::start (arg=0x5634a9f75da0) at thread/qthread_unix.cpp:361
#24 0x00007fd17b900609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#25 0x00007fd17c244103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7fd16cdea700 (LWP 4282)):
#0  __GI___libc_read (nbytes=16, buf=0x7fd16cde9b70, fd=13) at ../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=13, buf=0x7fd16cde9b70, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007fd17b04389f in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd17affacfe in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fd17affb152 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fd17affb2e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fd17c7d5583 in QEventDispatcherGlib::processEvents (this=0x7fd144000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#7  0x00007fd17c77c4db in QEventLoop::exec (this=this@entry=0x7fd16cde9d80, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#8  0x00007fd17c5b4785 in QThread::exec (this=this@entry=0x5634a9ea0f70) at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#9  0x00007fd17dcc61a9 in QQmlThreadPrivate::run (this=0x5634a9ea0f70) at qml/ftw/qqmlthread.cpp:148
#10 0x00007fd17c5b59d2 in QThreadPrivate::start (arg=0x5634a9ea0f70) at thread/qthread_unix.cpp:361
#11 0x00007fd17b900609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#12 0x00007fd17c244103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7fd16dffb700 (LWP 4281)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fd1700046c8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7fd170004678, cond=0x7fd1700046a0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7fd1700046a0, mutex=0x7fd170004678) at pthread_cond_wait.c:638
#3  0x00007fd1749a362b in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#4  0x00007fd1749a323b in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#5  0x00007fd17b900609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fd17c244103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fd16e7fc700 (LWP 4280)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fd1700046c8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7fd170004678, cond=0x7fd1700046a0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7fd1700046a0, mutex=0x7fd170004678) at pthread_cond_wait.c:638
#3  0x00007fd1749a362b in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#4  0x00007fd1749a323b in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#5  0x00007fd17b900609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fd17c244103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fd16effd700 (LWP 4279)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fd1700046c8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7fd170004678, cond=0x7fd1700046a0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7fd1700046a0, mutex=0x7fd170004678) at pthread_cond_wait.c:638
#3  0x00007fd1749a362b in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#4  0x00007fd1749a323b in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#5  0x00007fd17b900609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fd17c244103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fd16f7fe700 (LWP 4278)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fd1700046c8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7fd170004678, cond=0x7fd1700046a0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7fd1700046a0, mutex=0x7fd170004678) at pthread_cond_wait.c:638
#3  0x00007fd1749a362b in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#4  0x00007fd1749a323b in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#5  0x00007fd17b900609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fd17c244103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fd16ffff700 (LWP 4277)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5634a9cc54a8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5634a9cc5458, cond=0x5634a9cc5480) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x5634a9cc5480, mutex=0x5634a9cc5458) at pthread_cond_wait.c:638
#3  0x00007fd1749a362b in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#4  0x00007fd1749a323b in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#5  0x00007fd17b900609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fd17c244103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fd17670e700 (LWP 4276)):
#0  0x00007fd17c23796f in __GI___poll (fds=0x7fd168009550, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fd17affb1ae in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd17affb2e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd17c7d5583 in QEventDispatcherGlib::processEvents (this=0x7fd168000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fd17c77c4db in QEventLoop::exec (this=this@entry=0x7fd17670dd70, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#5  0x00007fd17c5b4785 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#6  0x00007fd17d042efa in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007fd17c5b59d2 in QThreadPrivate::start (arg=0x7fd17d0c5d80) at thread/qthread_unix.cpp:361
#8  0x00007fd17b900609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007fd17c244103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fd17749d700 (LWP 4275)):
#0  0x00007fd17c23796f in __GI___poll (fds=0x7fd17749cca8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fd17be0bc1a in ?? () from /lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fd17be0d90a in xcb_wait_for_event () from /lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fd177c9e298 in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007fd17c5b59d2 in QThreadPrivate::start (arg=0x5634a9b87640) at thread/qthread_unix.cpp:361
#5  0x00007fd17b900609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fd17c244103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fd17860d800 (LWP 4274)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7ffe28584048) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5634a9b9bd28, cond=0x7ffe28584020) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7ffe28584020, mutex=0x5634a9b9bd28) at pthread_cond_wait.c:638
#3  0x00007fd17be0bdf0 in ?? () from /lib/x86_64-linux-gnu/libxcb.so.1
#4  0x00007fd17be0d61f in ?? () from /lib/x86_64-linux-gnu/libxcb.so.1
#5  0x00007fd17be0d735 in xcb_wait_for_reply () from /lib/x86_64-linux-gnu/libxcb.so.1
#6  0x00007fd17420525f in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemX11Plugin.so
#7  0x00007fd17e3cad90 in ?? () from /lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#8  0x00007fd17e3cc248 in ?? () from /lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#9  0x00007fd17e3ccf0f in ?? () from /lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#10 0x00007fd17c7a9300 in QMetaObject::activate (sender=0x5634a9c37e48, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3804
#11 0x00007fd17c7b651e in QTimer::timeout (this=<optimized out>, _t1=...) at .moc/moc_qtimer.cpp:204
#12 0x00007fd17c7a9cf5 in QObject::event (this=0x5634a9c37e48, e=<optimized out>) at kernel/qobject.cpp:1283
#13 0x00007fd17d231a66 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#14 0x00007fd17d23b0f0 in QApplication::notify(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#15 0x00007fd17c77d93a in QCoreApplication::notifyInternal2 (receiver=0x5634a9c37e48, event=0x7ffe285846c0) at ../../include/QtCore/../../src/corelib/kernel/qobject.h:142
#16 0x00007fd17c7d48b0 in QTimerInfoList::activateTimers (this=0x5634a9b8ced0) at kernel/qtimerinfo_unix.cpp:643
#17 0x00007fd17c7d51e4 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:182
#18 idleTimerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:229
#19 0x00007fd17affafbd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007fd17affb240 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007fd17affb2e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007fd17c7d5565 in QEventDispatcherGlib::processEvents (this=0x5634a9becb70, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#23 0x00007fd17c77c4db in QEventLoop::exec (this=this@entry=0x7ffe28584900, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#24 0x00007fd17c784246 in QCoreApplication::exec () at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#25 0x00005634a9940983 in main (argc=<optimized out>, argv=<optimized out>) at ./krunner/main.cpp:126
[Inferior 1 (process 4274) detached]

Possible duplicates by query: bug 424911, bug 423951, bug 423222, bug 422433, bug 421576.

Reported using DrKonqi