Application: plasma-discover (5.18.5)

Qt Version: 5.12.8
Frameworks Version: 5.68.0
Operating System: Linux 5.4.0-47-generic x86_64
Windowing system: X11
Distribution: Ubuntu 20.04.1 LTS

-- Information about the crash:
- What I was doing when the application crashed: I was installing the Skype applicatioin when I realized I would use another service for video chatting.  I selected the "cancel" icon next to the installing Skype application, and DISCOVER crashed almost immediately.

-- Backtrace:
Application: Discover (plasma-discover), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f4053eb1f40 (LWP 51337))]

Thread 30 (Thread 0x7f3fbacfb700 (LWP 51395)):
#0  0x00007f4056bd433d in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f4056b8673a in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4056b870db in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4056b872e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f4058658583 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f40585ff4db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f4058437785 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f40584389d2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f4057446609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f40580c7103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 29 (Thread 0x7f3fbb4fc700 (LWP 51394)):
#0  __GI___libc_read (nbytes=16, buf=0x7f3fbb4fba90, fd=49) at ../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=49, buf=0x7f3fbb4fba90, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f4056bcf89f in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4056b86cfe in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f4056b87152 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f4056b872e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f4058658583 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f40585ff4db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f4058437785 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f40584389d2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f4057446609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#11 0x00007f40580c7103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 28 (Thread 0x7f3fbbcfd700 (LWP 51393)):
#0  0x00007f40580ba96f in __GI___poll (fds=0x7f3fb0002dc0, nfds=1, timeout=29931) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f4056b871ae in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4056b872e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4058658583 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f40585ff4db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f4058437785 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f40584389d2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f4057446609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007f40580c7103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 27 (Thread 0x7f3fd9bfa700 (LWP 51370)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x560c69714714) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x560c697146c0, cond=0x560c697146e8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x560c697146e8, mutex=0x560c697146c0) at pthread_cond_wait.c:638
#3  0x00007f405843eb0f in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f405843ec01 in QWaitCondition::wait(QMutex*, unsigned long) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f405a0c8109 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f405a0c83ad in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f40584389d2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f4057446609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f40580c7103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 26 (Thread 0x7f3fda3fb700 (LWP 51369)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x560c697b08f8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x560c697b08a8, cond=0x560c697b08d0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x560c697b08d0, mutex=0x560c697b08a8) at pthread_cond_wait.c:638
#3  0x00007f4041e8f62b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f4041e8f23b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f4057446609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f40580c7103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 25 (Thread 0x7f3fdabfc700 (LWP 51368)):
#0  __GI___libc_read (nbytes=16, buf=0x7f3fdabfba90, fd=38) at ../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=38, buf=0x7f3fdabfba90, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f4056bcf89f in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4056b86cfe in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f4056b87152 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f4056b872e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f4058658583 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f40585ff4db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f4058437785 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f40584389d2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f4057446609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#11 0x00007f40580c7103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 24 (Thread 0x7f3ff541b700 (LWP 51363)):
#0  0x00007f40580ba96f in __GI___poll (fds=0x7f3fdc109f60, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f4056b871ae in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4056b872e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4058658583 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f40585ff4db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f4058437785 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f40584389d2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f4057446609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007f40580c7103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 23 (Thread 0x7f3ff6019700 (LWP 51362)):
#0  0x00007f4056b83a80 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f4056b866c0 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4056b870db in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4056b872e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f4058658583 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f40585ff4db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f4058437785 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f40584389d2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f4057446609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f40580c7103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 22 (Thread 0x7f3ff690f700 (LWP 51361)):
#0  0x00007f40580ba96f in __GI___poll (fds=0x560c6937a5e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f4056b871ae in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4056b87533 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f40568e3eda in ?? () from /lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f4056bb0931 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f4057446609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f40580c7103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7f3ff7110700 (LWP 51360)):
#0  0x00007f4056b86707 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f4056b870db in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4056b872e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4056b87331 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f4056bb0931 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f4057446609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f40580c7103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7f4014ff9700 (LWP 51359)):
#0  0x00007ffc205f76cb in ?? ()
#1  0x00007ffc205f7918 in clock_gettime ()
#2  0x00007f4058085235 in __GI___clock_gettime (clock_id=1, tp=0x7f4014ff89d0) at ../sysdeps/unix/sysv/linux/clock_gettime.c:38
#3  0x00007f4058657e45 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f40586566dd in QTimerInfoList::updateCurrentTime() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f4058656cb9 in QTimerInfoList::timerWait(timespec&) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f40586582d6 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f4056b8672f in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f4056b870db in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f4056b872e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f4058658583 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f40585ff4db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f4058437785 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f405a03be1a in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#14 0x00007f40584389d2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f4057446609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#16 0x00007f40580c7103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7f40157fa700 (LWP 51356)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x560c68bbfd88) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x560c68bbfd38, cond=0x560c68bbfd60) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x560c68bbfd60, mutex=0x560c68bbfd38) at pthread_cond_wait.c:638
#3  0x00007f4041e8f62b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f4041e8f23b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f4057446609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f40580c7103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f4015ffb700 (LWP 51355)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x560c68bbfd88) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x560c68bbfd38, cond=0x560c68bbfd60) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x560c68bbfd60, mutex=0x560c68bbfd38) at pthread_cond_wait.c:638
#3  0x00007f4041e8f62b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f4041e8f23b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f4057446609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f40580c7103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f40167fc700 (LWP 51354)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x560c68bbfd88) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x560c68bbfd38, cond=0x560c68bbfd60) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x560c68bbfd60, mutex=0x560c68bbfd38) at pthread_cond_wait.c:638
#3  0x00007f4041e8f62b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f4041e8f23b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f4057446609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f40580c7103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f4016ffd700 (LWP 51353)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x560c68bbfd88) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x560c68bbfd38, cond=0x560c68bbfd60) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x560c68bbfd60, mutex=0x560c68bbfd38) at pthread_cond_wait.c:638
#3  0x00007f4041e8f62b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f4041e8f23b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f4057446609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f40580c7103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f40177fe700 (LWP 51352)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x560c68bbf680) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x560c68bbf630, cond=0x560c68bbf658) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x560c68bbf658, mutex=0x560c68bbf630) at pthread_cond_wait.c:638
#3  0x00007f4041e8f62b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f4041e8f23b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f4057446609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f40580c7103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f4017fff700 (LWP 51351)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x560c68bbf680) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x560c68bbf630, cond=0x560c68bbf658) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x560c68bbf658, mutex=0x560c68bbf630) at pthread_cond_wait.c:638
#3  0x00007f4041e8f62b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f4041e8f23b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f4057446609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f40580c7103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f4034ff9700 (LWP 51350)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x560c68bbf680) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x560c68bbf630, cond=0x560c68bbf658) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x560c68bbf658, mutex=0x560c68bbf630) at pthread_cond_wait.c:638
#3  0x00007f4041e8f62b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f4041e8f23b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f4057446609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f40580c7103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f40357fa700 (LWP 51349)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x560c68bbf684) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x560c68bbf630, cond=0x560c68bbf658) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x560c68bbf658, mutex=0x560c68bbf630) at pthread_cond_wait.c:638
#3  0x00007f4041e8f62b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f4041e8f23b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f4057446609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f40580c7103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f4035ffb700 (LWP 51348)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x560c68bbf680) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x560c68bbf630, cond=0x560c68bbf658) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x560c68bbf658, mutex=0x560c68bbf630) at pthread_cond_wait.c:638
#3  0x00007f4041e8f62b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f4041e8f23b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f4057446609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f40580c7103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f40367fc700 (LWP 51347)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x560c68bbf684) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x560c68bbf630, cond=0x560c68bbf658) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x560c68bbf658, mutex=0x560c68bbf630) at pthread_cond_wait.c:638
#3  0x00007f4041e8f62b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f4041e8f23b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f4057446609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f40580c7103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f4036ffd700 (LWP 51346)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x560c68a9f8dc) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x560c68a9f888, cond=0x560c68a9f8b0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x560c68a9f8b0, mutex=0x560c68a9f888) at pthread_cond_wait.c:638
#3  0x00007f4041e8f62b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f4041e8f23b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f4057446609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f40580c7103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f40377fe700 (LWP 51345)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x560c68a9f8dc) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x560c68a9f888, cond=0x560c68a9f8b0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x560c68a9f8b0, mutex=0x560c68a9f888) at pthread_cond_wait.c:638
#3  0x00007f4041e8f62b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f4041e8f23b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f4057446609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f40580c7103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f4037fff700 (LWP 51344)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x560c68a9f8dc) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x560c68a9f888, cond=0x560c68a9f8b0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x560c68a9f8b0, mutex=0x560c68a9f888) at pthread_cond_wait.c:638
#3  0x00007f4041e8f62b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f4041e8f23b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f4057446609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f40580c7103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f403c867700 (LWP 51343)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x560c68a9f8dc) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x560c68a9f888, cond=0x560c68a9f8b0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x560c68a9f8b0, mutex=0x560c68a9f888) at pthread_cond_wait.c:638
#3  0x00007f4041e8f62b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f4041e8f23b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f4057446609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f40580c7103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f403d1bd700 (LWP 51342)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x560c68a78bcc) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x560c68a78b78, cond=0x560c68a78ba0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x560c68a78ba0, mutex=0x560c68a78b78) at pthread_cond_wait.c:638
#3  0x00007f4041e8f62b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f4041e8f23b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f4057446609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f40580c7103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f4050e7f700 (LWP 51341)):
#0  0x00007f40580ba96f in __GI___poll (fds=0x7f40480025e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f4056b871ae in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4056b872e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4058658583 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f40585ff4db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f4058437785 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f4058cb41a9 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f40584389d2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f4057446609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f40580c7103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f4052090700 (LWP 51340)):
#0  __GI___libc_read (nbytes=16, buf=0x7f405208fa60, fd=7) at ../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=7, buf=0x7f405208fa60, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f4056bcf89f in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4056b86cfe in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f4056b87152 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f4056b872e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f4058658583 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f40585ff4db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f4058437785 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f4059aecefa in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#10 0x00007f40584389d2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f4057446609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#12 0x00007f40580c7103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f4052ff9700 (LWP 51339)):
#0  0x00007f40580ba96f in __GI___poll (fds=0x7f4052ff8ba8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f4056a79c1a in ?? () from /lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f4056a7b90a in xcb_wait_for_event () from /lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f4053809298 in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f40584389d2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f4057446609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f40580c7103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f4053eb1f40 (LWP 51337)):
[KCrash Handler]
#6  0x00007f405a0fe7c8 in QQuickItem::isVisible() const () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f405a11c751 in QQuickWindowPrivate::findCursorItem(QQuickItem*, QPointF const&) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007f405a11c77d in QQuickWindowPrivate::findCursorItem(QQuickItem*, QPointF const&) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#9  0x00007f405a11c77d in QQuickWindowPrivate::findCursorItem(QQuickItem*, QPointF const&) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#10 0x00007f405a11c77d in QQuickWindowPrivate::findCursorItem(QQuickItem*, QPointF const&) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007f405a11c77d in QQuickWindowPrivate::findCursorItem(QQuickItem*, QPointF const&) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#12 0x00007f405a11c77d in QQuickWindowPrivate::findCursorItem(QQuickItem*, QPointF const&) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#13 0x00007f405a11c77d in QQuickWindowPrivate::findCursorItem(QQuickItem*, QPointF const&) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#14 0x00007f405a11c77d in QQuickWindowPrivate::findCursorItem(QQuickItem*, QPointF const&) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#15 0x00007f405a11c77d in QQuickWindowPrivate::findCursorItem(QQuickItem*, QPointF const&) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#16 0x00007f405a11c77d in QQuickWindowPrivate::findCursorItem(QQuickItem*, QPointF const&) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#17 0x00007f405a11c77d in QQuickWindowPrivate::findCursorItem(QQuickItem*, QPointF const&) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#18 0x00007f405a11c77d in QQuickWindowPrivate::findCursorItem(QQuickItem*, QPointF const&) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#19 0x00007f405a11c77d in QQuickWindowPrivate::findCursorItem(QQuickItem*, QPointF const&) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#20 0x00007f405a11c77d in QQuickWindowPrivate::findCursorItem(QQuickItem*, QPointF const&) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#21 0x00007f405a11c77d in QQuickWindowPrivate::findCursorItem(QQuickItem*, QPointF const&) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#22 0x00007f405a11c77d in QQuickWindowPrivate::findCursorItem(QQuickItem*, QPointF const&) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#23 0x00007f405a11c77d in QQuickWindowPrivate::findCursorItem(QQuickItem*, QPointF const&) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#24 0x00007f405a11c77d in QQuickWindowPrivate::findCursorItem(QQuickItem*, QPointF const&) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#25 0x00007f405a11c77d in QQuickWindowPrivate::findCursorItem(QQuickItem*, QPointF const&) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#26 0x00007f405a11c809 in QQuickWindowPrivate::updateCursor(QPointF const&) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#27 0x00007f405a129c91 in QQuickWindowPrivate::handleMouseEvent(QMouseEvent*) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#28 0x00007f4058f809ad in QWindow::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#29 0x00007f405a12b159 in QQuickWindow::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#30 0x00007f40595a4a66 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#31 0x00007f40595ae0f0 in QApplication::notify(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#32 0x00007f405860093a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x00007f4058f757d3 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#34 0x00007f4058f7710b in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#35 0x00007f4058f5135b in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#36 0x00007f405380a32e in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#37 0x00007f4056b86fbd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#38 0x00007f4056b87240 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#39 0x00007f4056b872e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#40 0x00007f4058658565 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#41 0x00007f40585ff4db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#42 0x00007f4058607246 in QCoreApplication::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#43 0x0000560c66e3c4f1 in ?? ()
#44 0x00007f4057fcc0b3 in __libc_start_main (main=0x560c66e3bd00, argc=1, argv=0x7ffc205d9f28, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffc205d9f18) at ../csu/libc-start.c:308
#45 0x0000560c66e3cb1e in _start ()
[Inferior 1 (process 51337) detached]

Possible duplicates by query: bug 396190, bug 390350, bug 390291, bug 390240, bug 390196.

Reported using DrKonqi