https://bugs.kde.org/show_bug.cgi?id=421047

            Bug ID: 421047
           Summary: Wayland - Crash on Wallpaper settings (or mesa
                    upgrade)
           Product: plasmashell
           Version: 5.18.4
          Platform: unspecified
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: k...@davidedmundson.co.uk
          Reporter: ja...@jasonplayne.com
                CC: plasma-b...@kde.org
  Target Milestone: 1.0

Application: plasmashell (5.18.4)

Qt Version: 5.14.2
Frameworks Version: 5.69.0
Operating System: Linux 5.6.7-050607-generic x86_64
Windowing system: Wayland
Distribution: KDE neon User Edition 5.18

-- Information about the crash:
- What I was doing when the application crashed:
While I was waiting for discover to upload to the mesa 20.1 RC1 release I was
fiddling with my wallpaper settings.

I have a dual monitor setup (2x1080p) with 1 hdmi and one DP->DVI monitor

- Unusual behavior I noticed:

The screen flickered (like it was attempting to recover?) and then crashed the
desktop session crashed with only my apps left open. The wallpaper settings
page is no longer around.

- Custom settings of the application:

I am using a PPA

deb http://ppa.launchpad.net/ernstp/mesarc/ubuntu bionic main

for mesa stable releases

-- Backtrace:
Application: Plasma (plasmashell), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fdd8964c800 (LWP 9293))]

Thread 59 (Thread 0x7fdc377fe700 (LWP 24712)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae6c744f4) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae6c744a0, cond=0x55aae6c744c8) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae6c744c8,
mutex=0x55aae6c744a0) at pthread_cond_wait.c:655
#3  0x00007fdd8312ee5b in QWaitConditionPrivate::wait(QDeadlineTimer)
(deadline=..., this=0x55aae6c744a0) at thread/qwaitcondition_unix.cpp:146
#4  0x00007fdd8312ee5b in QWaitCondition::wait(QMutex*, QDeadlineTimer)
(this=<optimized out>, mutex=0x55aae50bb630, deadline=...) at
thread/qwaitcondition_unix.cpp:225
#5  0x00007fdd8312efd9 in QWaitCondition::wait(QMutex*, unsigned long)
(this=this@entry=0x55aae50bb638, mutex=mutex@entry=0x55aae50bb630,
time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#6  0x00007fdd87231233 in QSGRenderThreadEventQueue::takeEvent(bool)
(wait=true, this=0x55aae50bb628) at scenegraph/qsgthreadedrenderloop.cpp:255
#7  0x00007fdd87231233 in QSGRenderThread::processEventsAndWaitForMore()
(this=this@entry=0x55aae50bb590) at scenegraph/qsgthreadedrenderloop.cpp:905
#8  0x00007fdd87231691 in QSGRenderThread::run() (this=0x55aae50bb590) at
scenegraph/qsgthreadedrenderloop.cpp:1000
#9  0x00007fdd831288ac in QThreadPrivate::start(void*) (arg=0x55aae50bb590) at
thread/qthread_unix.cpp:342
#10 0x00007fdd7fdab6db in start_thread (arg=0x7fdc377fe700) at
pthread_create.c:463
#11 0x00007fdd82a1d88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 58 (Thread 0x7fdc37fff700 (LWP 24711)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae7019e88) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae7019e38, cond=0x55aae7019e60) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae7019e60,
mutex=0x55aae7019e38) at pthread_cond_wait.c:655
#3  0x00007fdd6916e57b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x0000000000000000 in  ()

Thread 57 (Thread 0x7fdc4b365700 (LWP 24710)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae6f8f1ec) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae6f8f198, cond=0x55aae6f8f1c0) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae6f8f1c0,
mutex=0x55aae6f8f198) at pthread_cond_wait.c:655
#3  0x00007fdd6916e57b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x0000000000000000 in  ()

Thread 56 (Thread 0x7fdc494ff700 (LWP 24703)):
#0  0x00007fdd82a0c0b4 in __GI___libc_read (fd=58, buf=0x7fdc494feb70,
nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007fdd7cb662b0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fdd7cb210b7 in g_main_context_check () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fdd7cb21570 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fdd7cb216dc in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fdd8337744b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7fdc300160f0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007fdd833169aa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7fdc494fed80, flags=..., flags@entry=...) at
kernel/qeventloop.cpp:225
#7  0x00007fdd831273d7 in QThread::exec() (this=this@entry=0x55aae41c4070) at
thread/qthread.cpp:536
#8  0x00007fdd86cddfc5 in QQmlThreadPrivate::run() (this=0x55aae41c4070) at
qml/ftw/qqmlthread.cpp:155
#9  0x00007fdd831288ac in QThreadPrivate::start(void*) (arg=0x55aae41c4070) at
thread/qthread_unix.cpp:342
#10 0x00007fdd7fdab6db in start_thread (arg=0x7fdc494ff700) at
pthread_create.c:463
#11 0x00007fdd82a1d88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 55 (Thread 0x7fdc4a501700 (LWP 18233)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae3a47b44) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae3a47af0, cond=0x55aae3a47b18) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae3a47b18,
mutex=0x55aae3a47af0) at pthread_cond_wait.c:655
#3  0x00007fdd8312ee5b in QWaitConditionPrivate::wait(QDeadlineTimer)
(deadline=..., this=0x55aae3a47af0) at thread/qwaitcondition_unix.cpp:146
#4  0x00007fdd8312ee5b in QWaitCondition::wait(QMutex*, QDeadlineTimer)
(this=<optimized out>, mutex=0x55aae57d03c0, deadline=...) at
thread/qwaitcondition_unix.cpp:225
#5  0x00007fdd8312efd9 in QWaitCondition::wait(QMutex*, unsigned long)
(this=this@entry=0x55aae57d03c8, mutex=mutex@entry=0x55aae57d03c0,
time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#6  0x00007fdd87231233 in QSGRenderThreadEventQueue::takeEvent(bool)
(wait=true, this=0x55aae57d03b8) at scenegraph/qsgthreadedrenderloop.cpp:255
#7  0x00007fdd87231233 in QSGRenderThread::processEventsAndWaitForMore()
(this=this@entry=0x55aae57d0320) at scenegraph/qsgthreadedrenderloop.cpp:905
#8  0x00007fdd87231691 in QSGRenderThread::run() (this=0x55aae57d0320) at
scenegraph/qsgthreadedrenderloop.cpp:1000
#9  0x00007fdd831288ac in QThreadPrivate::start(void*) (arg=0x55aae57d0320) at
thread/qthread_unix.cpp:342
#10 0x00007fdd7fdab6db in start_thread (arg=0x7fdc4a501700) at
pthread_create.c:463
#11 0x00007fdd82a1d88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 54 (Thread 0x7fdc49d00700 (LWP 18232)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae67821a8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae6782158, cond=0x55aae6782180) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae6782180,
mutex=0x55aae6782158) at pthread_cond_wait.c:655
#3  0x00007fdd6916e57b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x0000000000000000 in  ()

Thread 53 (Thread 0x7fdc86ffd700 (LWP 18231)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae5eda9e8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae5eda998, cond=0x55aae5eda9c0) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae5eda9c0,
mutex=0x55aae5eda998) at pthread_cond_wait.c:655
#3  0x00007fdd6916e57b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x0000000000000000 in  ()

Thread 52 (Thread 0x7fdc64cdc700 (LWP 12416)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae6948698) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae6948648, cond=0x55aae6948670) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae6948670,
mutex=0x55aae6948648) at pthread_cond_wait.c:655
#3  0x00007fdd6916e57b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x0000000000000000 in  ()

Thread 51 (Thread 0x7fdc867fc700 (LWP 12326)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae5e99fd8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae5e99f88, cond=0x55aae5e99fb0) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae5e99fb0,
mutex=0x55aae5e99f88) at pthread_cond_wait.c:655
#3  0x00007fdd6916e57b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x0000000000000000 in  ()

Thread 50 (Thread 0x7fdc577fe700 (LWP 12305)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae5c850d8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae5c85088, cond=0x55aae5c850b0) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae5c850b0,
mutex=0x55aae5c85088) at pthread_cond_wait.c:655
#3  0x00007fdd6916e57b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x0000000000000000 in  ()

Thread 49 (Thread 0x7fdc667df700 (LWP 12150)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae5873cb4) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae5873c60, cond=0x55aae5873c88) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae5873c88,
mutex=0x55aae5873c60) at pthread_cond_wait.c:655
#3  0x00007fdd8312ee5b in QWaitConditionPrivate::wait(QDeadlineTimer)
(deadline=..., this=0x55aae5873c60) at thread/qwaitcondition_unix.cpp:146
#4  0x00007fdd8312ee5b in QWaitCondition::wait(QMutex*, QDeadlineTimer)
(this=<optimized out>, mutex=0x55aae5a97410, deadline=...) at
thread/qwaitcondition_unix.cpp:225
#5  0x00007fdd8312efd9 in QWaitCondition::wait(QMutex*, unsigned long)
(this=this@entry=0x55aae5a97418, mutex=mutex@entry=0x55aae5a97410,
time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#6  0x00007fdd87231233 in QSGRenderThreadEventQueue::takeEvent(bool)
(wait=true, this=0x55aae5a97408) at scenegraph/qsgthreadedrenderloop.cpp:255
#7  0x00007fdd87231233 in QSGRenderThread::processEventsAndWaitForMore()
(this=this@entry=0x55aae5a97370) at scenegraph/qsgthreadedrenderloop.cpp:905
#8  0x00007fdd87231691 in QSGRenderThread::run() (this=0x55aae5a97370) at
scenegraph/qsgthreadedrenderloop.cpp:1000
#9  0x00007fdd831288ac in QThreadPrivate::start(void*) (arg=0x55aae5a97370) at
thread/qthread_unix.cpp:342
#10 0x00007fdd7fdab6db in start_thread (arg=0x7fdc667df700) at
pthread_create.c:463
#11 0x00007fdd82a1d88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 48 (Thread 0x7fdc657dd700 (LWP 12149)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae58f8868) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae58f8818, cond=0x55aae58f8840) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae58f8840,
mutex=0x55aae58f8818) at pthread_cond_wait.c:655
#3  0x00007fdd6916e57b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x0000000000000000 in  ()

Thread 47 (Thread 0x7fdca9ffb700 (LWP 12148)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae56c61d8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae56c6188, cond=0x55aae56c61b0) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae56c61b0,
mutex=0x55aae56c6188) at pthread_cond_wait.c:655
#3  0x00007fdd6916e57b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x0000000000000000 in  ()

Thread 46 (Thread 0x7fdc57fff700 (LWP 12119)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae5d13be8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae5d13b98, cond=0x55aae5d13bc0) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae5d13bc0,
mutex=0x55aae5d13b98) at pthread_cond_wait.c:655
#3  0x00007fdd6916e57b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x0000000000000000 in  ()

Thread 45 (Thread 0x7fdc65fde700 (LWP 12094)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae59b75e8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae59b7598, cond=0x55aae59b75c0) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae59b75c0,
mutex=0x55aae59b7598) at pthread_cond_wait.c:655
#3  0x00007fdd6916e57b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x0000000000000000 in  ()

Thread 44 (Thread 0x7fdca97fa700 (LWP 12060)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae545ec50) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae545ec00, cond=0x55aae545ec28) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae545ec28,
mutex=0x55aae545ec00) at pthread_cond_wait.c:655
#3  0x00007fdd8312ee5b in QWaitConditionPrivate::wait(QDeadlineTimer)
(deadline=..., this=0x55aae545ec00) at thread/qwaitcondition_unix.cpp:146
#4  0x00007fdd8312ee5b in QWaitCondition::wait(QMutex*, QDeadlineTimer)
(this=<optimized out>, mutex=0x7fdd6471d400, deadline=...) at
thread/qwaitcondition_unix.cpp:225
#5  0x00007fdd8312efd9 in QWaitCondition::wait(QMutex*, unsigned long)
(this=this@entry=0x7fdd6471d408, mutex=mutex@entry=0x7fdd6471d400,
time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#6  0x00007fdd87231233 in QSGRenderThreadEventQueue::takeEvent(bool)
(wait=true, this=0x7fdd6471d3f8) at scenegraph/qsgthreadedrenderloop.cpp:255
#7  0x00007fdd87231233 in QSGRenderThread::processEventsAndWaitForMore()
(this=this@entry=0x7fdd6471d360) at scenegraph/qsgthreadedrenderloop.cpp:905
#8  0x00007fdd87231691 in QSGRenderThread::run() (this=0x7fdd6471d360) at
scenegraph/qsgthreadedrenderloop.cpp:1000
#9  0x00007fdd831288ac in QThreadPrivate::start(void*) (arg=0x7fdd6471d360) at
thread/qthread_unix.cpp:342
#10 0x00007fdd7fdab6db in start_thread (arg=0x7fdca97fa700) at
pthread_create.c:463
#11 0x00007fdd82a1d88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 43 (Thread 0x7fdca8ff9700 (LWP 12059)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae56f9c88) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae56f9c38, cond=0x55aae56f9c60) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae56f9c60,
mutex=0x55aae56f9c38) at pthread_cond_wait.c:655
#3  0x00007fdd6916e57b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x0000000000000000 in  ()

Thread 42 (Thread 0x7fdc877fe700 (LWP 12058)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae55ecbac) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae55ecb58, cond=0x55aae55ecb80) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae55ecb80,
mutex=0x55aae55ecb58) at pthread_cond_wait.c:655
#3  0x00007fdd6916e57b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x0000000000000000 in  ()

Thread 41 (Thread 0x7fdc87fff700 (LWP 9811)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae4ca3ce8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae4ca3c98, cond=0x55aae4ca3cc0) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae4ca3cc0,
mutex=0x55aae4ca3c98) at pthread_cond_wait.c:655
#3  0x00007fdd6916e57b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x0000000000000000 in  ()

Thread 40 (Thread 0x7fdcaaffd700 (LWP 9739)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae48421c8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae4842178, cond=0x55aae48421a0) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae48421a0,
mutex=0x55aae4842178) at pthread_cond_wait.c:655
#3  0x00007fdd6916e57b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x0000000000000000 in  ()

Thread 39 (Thread 0x7fdcaa7fc700 (LWP 9553)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae47d9448) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae47d93f8, cond=0x55aae47d9420) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae47d9420,
mutex=0x55aae47d93f8) at pthread_cond_wait.c:655
#3  0x00007fdd6916e57b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x0000000000000000 in  ()

Thread 38 (Thread 0x7fdcab7fe700 (LWP 9475)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae45f61a4) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae45f6150, cond=0x55aae45f6178) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae45f6178,
mutex=0x55aae45f6150) at pthread_cond_wait.c:655
#3  0x00007fdd8312ee5b in QWaitConditionPrivate::wait(QDeadlineTimer)
(deadline=..., this=0x55aae45f6150) at thread/qwaitcondition_unix.cpp:146
#4  0x00007fdd8312ee5b in QWaitCondition::wait(QMutex*, QDeadlineTimer)
(this=<optimized out>, mutex=0x55aae45f62f0, deadline=...) at
thread/qwaitcondition_unix.cpp:225
#5  0x00007fdd8312efd9 in QWaitCondition::wait(QMutex*, unsigned long)
(this=this@entry=0x55aae45f62f8, mutex=mutex@entry=0x55aae45f62f0,
time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#6  0x00007fdd87231233 in QSGRenderThreadEventQueue::takeEvent(bool)
(wait=true, this=0x55aae45f62e8) at scenegraph/qsgthreadedrenderloop.cpp:255
#7  0x00007fdd87231233 in QSGRenderThread::processEventsAndWaitForMore()
(this=this@entry=0x55aae45f6250) at scenegraph/qsgthreadedrenderloop.cpp:905
#8  0x00007fdd87231691 in QSGRenderThread::run() (this=0x55aae45f6250) at
scenegraph/qsgthreadedrenderloop.cpp:1000
#9  0x00007fdd831288ac in QThreadPrivate::start(void*) (arg=0x55aae45f6250) at
thread/qthread_unix.cpp:342
#10 0x00007fdd7fdab6db in start_thread (arg=0x7fdcab7fe700) at
pthread_create.c:463
#11 0x00007fdd82a1d88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 37 (Thread 0x7fdcabfff700 (LWP 9474)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae46cf148) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae46cf0f8, cond=0x55aae46cf120) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae46cf120,
mutex=0x55aae46cf0f8) at pthread_cond_wait.c:655
#3  0x00007fdd6916e57b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x0000000000000000 in  ()

Thread 36 (Thread 0x7fdcb0e64700 (LWP 9473)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae4631fa8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae4631f58, cond=0x55aae4631f80) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae4631f80,
mutex=0x55aae4631f58) at pthread_cond_wait.c:655
#3  0x00007fdd6916e57b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x0000000000000000 in  ()

Thread 35 (Thread 0x7fdcb2d7e700 (LWP 9470)):
#0  0x00007fdd7cb67644 in g_mutex_unlock () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fdd7cb20b18 in g_main_context_prepare () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fdd7cb214fb in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fdd7cb216dc in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fdd8337744b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7fdcac000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007fdd833169aa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7fdcb2d7dd60, flags=..., flags@entry=...) at
kernel/qeventloop.cpp:225
#6  0x00007fdd831273d7 in QThread::exec() (this=<optimized out>) at
thread/qthread.cpp:536
#7  0x00007fdcb56dd467 in KCupsConnection::run() () at
/usr/lib/x86_64-linux-gnu/libkcupslib.so
#8  0x00007fdd831288ac in QThreadPrivate::start(void*) (arg=0x55aae33e2d00) at
thread/qthread_unix.cpp:342
#9  0x00007fdd7fdab6db in start_thread (arg=0x7fdcb2d7e700) at
pthread_create.c:463
#10 0x00007fdd82a1d88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 34 (Thread 0x7fdcc524c700 (LWP 9469)):
#0  0x00007fdd82a10bf9 in __GI___poll (fds=0x7fdcb8002de0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fdd7cb215c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fdd7cb216dc in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fdd8337744b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7fdcb8000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fdd833169aa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7fdcc524bda0, flags=..., flags@entry=...) at
kernel/qeventloop.cpp:225
#5  0x00007fdd831273d7 in QThread::exec() (this=<optimized out>) at
thread/qthread.cpp:536
#6  0x00007fdd831288ac in QThreadPrivate::start(void*) (arg=0x55aae2eb7b50) at
thread/qthread_unix.cpp:342
#7  0x00007fdd7fdab6db in start_thread (arg=0x7fdcc524c700) at
pthread_create.c:463
#8  0x00007fdd82a1d88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 33 (Thread 0x7fdce1010700 (LWP 9465)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae2a9e1d4) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae2a9e180, cond=0x55aae2a9e1a8) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae2a9e1a8,
mutex=0x55aae2a9e180) at pthread_cond_wait.c:655
#3  0x00007fdd8312ee5b in QWaitConditionPrivate::wait(QDeadlineTimer)
(deadline=..., this=0x55aae2a9e180) at thread/qwaitcondition_unix.cpp:146
#4  0x00007fdd8312ee5b in QWaitCondition::wait(QMutex*, QDeadlineTimer)
(this=<optimized out>, mutex=0x55aae2a9e0f0, deadline=...) at
thread/qwaitcondition_unix.cpp:225
#5  0x00007fdd8312efd9 in QWaitCondition::wait(QMutex*, unsigned long)
(this=this@entry=0x55aae2a9e0f8, mutex=mutex@entry=0x55aae2a9e0f0,
time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#6  0x00007fdd87231233 in QSGRenderThreadEventQueue::takeEvent(bool)
(wait=true, this=0x55aae2a9e0e8) at scenegraph/qsgthreadedrenderloop.cpp:255
#7  0x00007fdd87231233 in QSGRenderThread::processEventsAndWaitForMore()
(this=this@entry=0x55aae2a9e050) at scenegraph/qsgthreadedrenderloop.cpp:905
#8  0x00007fdd87231691 in QSGRenderThread::run() (this=0x55aae2a9e050) at
scenegraph/qsgthreadedrenderloop.cpp:1000
#9  0x00007fdd831288ac in QThreadPrivate::start(void*) (arg=0x55aae2a9e050) at
thread/qthread_unix.cpp:342
#10 0x00007fdd7fdab6db in start_thread (arg=0x7fdce1010700) at
pthread_create.c:463
#11 0x00007fdd82a1d88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 32 (Thread 0x7fdce1811700 (LWP 9463)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae2b87bd8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae2b87b88, cond=0x55aae2b87bb0) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae2b87bb0,
mutex=0x55aae2b87b88) at pthread_cond_wait.c:655
#3  0x00007fdd6916e57b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x0000000000000000 in  ()

Thread 31 (Thread 0x7fdce2012700 (LWP 9462)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae2aea94c) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae2aea8f8, cond=0x55aae2aea920) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae2aea920,
mutex=0x55aae2aea8f8) at pthread_cond_wait.c:655
#3  0x00007fdd6916e57b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x0000000000000000 in  ()

Thread 30 (Thread 0x7fdce2ffd700 (LWP 9460)):
#0  0x00007fdd82a10bf9 in __GI___poll (fds=0x7fdcd40068f0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fdd7cb215c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fdd7cb216dc in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fdd8337744b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7fdcd4000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fdd833169aa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7fdce2ffcd30, flags=..., flags@entry=...) at
kernel/qeventloop.cpp:225
#5  0x00007fdd831273d7 in QThread::exec() (this=this@entry=0x55aae2881400) at
thread/qthread.cpp:536
#6  0x00007fdd87173b06 in QQuickPixmapReader::run() (this=0x55aae2881400) at
util/qquickpixmapcache.cpp:987
#7  0x00007fdd831288ac in QThreadPrivate::start(void*) (arg=0x55aae2881400) at
thread/qthread_unix.cpp:342
#8  0x00007fdd7fdab6db in start_thread (arg=0x7fdce2ffd700) at
pthread_create.c:463
#9  0x00007fdd82a1d88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 29 (Thread 0x7fdce37fe700 (LWP 9455)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae25c6174) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae25c6120, cond=0x55aae25c6148) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae25c6148,
mutex=0x55aae25c6120) at pthread_cond_wait.c:655
#3  0x00007fdd8312ee5b in QWaitConditionPrivate::wait(QDeadlineTimer)
(deadline=..., this=0x55aae25c6120) at thread/qwaitcondition_unix.cpp:146
#4  0x00007fdd8312ee5b in QWaitCondition::wait(QMutex*, QDeadlineTimer)
(this=<optimized out>, mutex=0x55aae25d3ce0, deadline=...) at
thread/qwaitcondition_unix.cpp:225
#5  0x00007fdd8312efd9 in QWaitCondition::wait(QMutex*, unsigned long)
(this=this@entry=0x55aae25d3ce8, mutex=mutex@entry=0x55aae25d3ce0,
time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#6  0x00007fdd87231233 in QSGRenderThreadEventQueue::takeEvent(bool)
(wait=true, this=0x55aae25d3cd8) at scenegraph/qsgthreadedrenderloop.cpp:255
#7  0x00007fdd87231233 in QSGRenderThread::processEventsAndWaitForMore()
(this=this@entry=0x55aae25d3c40) at scenegraph/qsgthreadedrenderloop.cpp:905
#8  0x00007fdd87231691 in QSGRenderThread::run() (this=0x55aae25d3c40) at
scenegraph/qsgthreadedrenderloop.cpp:1000
#9  0x00007fdd831288ac in QThreadPrivate::start(void*) (arg=0x55aae25d3c40) at
thread/qthread_unix.cpp:342
#10 0x00007fdd7fdab6db in start_thread (arg=0x7fdce37fe700) at
pthread_create.c:463
#11 0x00007fdd82a1d88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 28 (Thread 0x7fdce3fff700 (LWP 9454)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae26b7048) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae26b6ff8, cond=0x55aae26b7020) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae26b7020,
mutex=0x55aae26b6ff8) at pthread_cond_wait.c:655
#3  0x00007fdd6916e57b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x0000000000000000 in  ()

Thread 27 (Thread 0x7fdce9d73700 (LWP 9453)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae2621a38) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae26219e8, cond=0x55aae2621a10) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae2621a10,
mutex=0x55aae26219e8) at pthread_cond_wait.c:655
#3  0x00007fdd6916e57b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x0000000000000000 in  ()

Thread 26 (Thread 0x7fdcea574700 (LWP 9449)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae21dec88) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae21dec38, cond=0x55aae21dec60) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae21dec60,
mutex=0x55aae21dec38) at pthread_cond_wait.c:655
#3  0x00007fdd6916e57b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x0000000000000000 in  ()

Thread 25 (Thread 0x7fdd0b7fe700 (LWP 9410)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae170f6b8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae170f668, cond=0x55aae170f690) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae170f690,
mutex=0x55aae170f668) at pthread_cond_wait.c:655
#3  0x00007fdd6916e57b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x0000000000000000 in  ()

Thread 24 (Thread 0x7fdd03fff700 (LWP 9409)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae170f6b8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae170f668, cond=0x55aae170f690) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae170f690,
mutex=0x55aae170f668) at pthread_cond_wait.c:655
#3  0x00007fdd6916e57b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x0000000000000000 in  ()

Thread 23 (Thread 0x7fdd0bfff700 (LWP 9408)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae170f6b8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae170f668, cond=0x55aae170f690) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae170f690,
mutex=0x55aae170f668) at pthread_cond_wait.c:655
#3  0x00007fdd6916e57b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x0000000000000000 in  ()

Thread 22 (Thread 0x7fdd2cff9700 (LWP 9407)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae170f6b8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae170f668, cond=0x55aae170f690) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae170f690,
mutex=0x55aae170f668) at pthread_cond_wait.c:655
#3  0x00007fdd6916e57b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x0000000000000000 in  ()

Thread 21 (Thread 0x7fdd2d7fa700 (LWP 9406)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae170f6b8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae170f668, cond=0x55aae170f690) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae170f690,
mutex=0x55aae170f668) at pthread_cond_wait.c:655
#3  0x00007fdd6916e57b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x0000000000000000 in  ()

Thread 20 (Thread 0x7fdd2dffb700 (LWP 9405)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae170efb0) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae170ef60, cond=0x55aae170ef88) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae170ef88,
mutex=0x55aae170ef60) at pthread_cond_wait.c:655
#3  0x00007fdd6916e57b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x0000000000000000 in  ()

Thread 19 (Thread 0x7fdd2e7fc700 (LWP 9404)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae170efb0) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae170ef60, cond=0x55aae170ef88) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae170ef88,
mutex=0x55aae170ef60) at pthread_cond_wait.c:655
#3  0x00007fdd6916e57b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x0000000000000000 in  ()

Thread 18 (Thread 0x7fdd2effd700 (LWP 9403)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae170efb0) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae170ef60, cond=0x55aae170ef88) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae170ef88,
mutex=0x55aae170ef60) at pthread_cond_wait.c:655
#3  0x00007fdd6916e57b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x0000000000000000 in  ()

Thread 17 (Thread 0x7fdd2f7fe700 (LWP 9402)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae170efb0) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae170ef60, cond=0x55aae170ef88) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae170ef88,
mutex=0x55aae170ef60) at pthread_cond_wait.c:655
#3  0x00007fdd6916e57b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x0000000000000000 in  ()

Thread 16 (Thread 0x7fdd2ffff700 (LWP 9401)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae170efb0) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae170ef60, cond=0x55aae170ef88) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae170ef88,
mutex=0x55aae170ef60) at pthread_cond_wait.c:655
#3  0x00007fdd6916e57b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x0000000000000000 in  ()

Thread 15 (Thread 0x7fdd44ff9700 (LWP 9400)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae170efb0) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae170ef60, cond=0x55aae170ef88) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae170ef88,
mutex=0x55aae170ef60) at pthread_cond_wait.c:655
#3  0x00007fdd6916e57b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x0000000000000000 in  ()

Thread 14 (Thread 0x7fdd457fa700 (LWP 9399)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae170efb0) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae170ef60, cond=0x55aae170ef88) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae170ef88,
mutex=0x55aae170ef60) at pthread_cond_wait.c:655
#3  0x00007fdd6916e57b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x0000000000000000 in  ()

Thread 13 (Thread 0x7fdd45ffb700 (LWP 9398)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae170efb0) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae170ef60, cond=0x55aae170ef88) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae170ef88,
mutex=0x55aae170ef60) at pthread_cond_wait.c:655
#3  0x00007fdd6916e57b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x0000000000000000 in  ()

Thread 12 (Thread 0x7fdd467fc700 (LWP 9397)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae170efb0) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae170ef60, cond=0x55aae170ef88) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae170ef88,
mutex=0x55aae170ef60) at pthread_cond_wait.c:655
#3  0x00007fdd6916e57b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x0000000000000000 in  ()

Thread 11 (Thread 0x7fdd46ffd700 (LWP 9396)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae170efb4) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae170ef60, cond=0x55aae170ef88) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae170ef88,
mutex=0x55aae170ef60) at pthread_cond_wait.c:655
#3  0x00007fdd6916e57b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x0000000000000000 in  ()

Thread 10 (Thread 0x7fdd477fe700 (LWP 9395)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae170efb4) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae170ef60, cond=0x55aae170ef88) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae170ef88,
mutex=0x55aae170ef60) at pthread_cond_wait.c:655
#3  0x00007fdd6916e57b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x0000000000000000 in  ()

Thread 9 (Thread 0x7fdd47fff700 (LWP 9394)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae170efb4) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae170ef60, cond=0x55aae170ef88) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae170ef88,
mutex=0x55aae170ef60) at pthread_cond_wait.c:655
#3  0x00007fdd6916e57b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x0000000000000000 in  ()

Thread 8 (Thread 0x7fdd5ce9d700 (LWP 9393)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae16ba058) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae16ba008, cond=0x55aae16ba030) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae16ba030,
mutex=0x55aae16ba008) at pthread_cond_wait.c:655
#3  0x00007fdd6916e57b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x0000000000000000 in  ()

Thread 7 (Thread 0x7fdd5d69e700 (LWP 9392)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae16ba058) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae16ba008, cond=0x55aae16ba030) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae16ba030,
mutex=0x55aae16ba008) at pthread_cond_wait.c:655
#3  0x00007fdd6916e57b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x0000000000000000 in  ()

Thread 6 (Thread 0x7fdd5de9f700 (LWP 9391)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae16ba058) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae16ba008, cond=0x55aae16ba030) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae16ba030,
mutex=0x55aae16ba008) at pthread_cond_wait.c:655
#3  0x00007fdd6916e57b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x0000000000000000 in  ()

Thread 5 (Thread 0x7fdd5e6a0700 (LWP 9390)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae16ba058) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae16ba008, cond=0x55aae16ba030) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae16ba030,
mutex=0x55aae16ba008) at pthread_cond_wait.c:655
#3  0x00007fdd6916e57b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x0000000000000000 in  ()

Thread 4 (Thread 0x7fdd5f6e3700 (LWP 9389)):
#0  0x00007fdd7fdb19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aae170db98) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdd7fdb19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aae170db48, cond=0x55aae170db70) at pthread_cond_wait.c:502
#2  0x00007fdd7fdb19f3 in __pthread_cond_wait (cond=0x55aae170db70,
mutex=0x55aae170db48) at pthread_cond_wait.c:655
#3  0x00007fdd6916e57b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x0000000000000000 in  ()

Thread 3 (Thread 0x7fdd728bf700 (LWP 9388)):
#0  0x00007fdd82a10bf9 in __GI___poll (fds=0x7fdd64002de0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fdd7cb215c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fdd7cb216dc in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fdd8337744b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7fdd64000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fdd833169aa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7fdd728bed80, flags=..., flags@entry=...) at
kernel/qeventloop.cpp:225
#5  0x00007fdd831273d7 in QThread::exec() (this=this@entry=0x55aae119e1a0) at
thread/qthread.cpp:536
#6  0x00007fdd86cddfc5 in QQmlThreadPrivate::run() (this=0x55aae119e1a0) at
qml/ftw/qqmlthread.cpp:155
#7  0x00007fdd831288ac in QThreadPrivate::start(void*) (arg=0x55aae119e1a0) at
thread/qthread_unix.cpp:342
#8  0x00007fdd7fdab6db in start_thread (arg=0x7fdd728bf700) at
pthread_create.c:463
#9  0x00007fdd82a1d88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fdd74736700 (LWP 9310)):
#0  0x00007fdd82a10bf9 in __GI___poll (fds=0x7fdd6c002de0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fdd7cb215c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fdd7cb216dc in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fdd8337744b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7fdd6c000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fdd833169aa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7fdd74735d70, flags=..., flags@entry=...) at
kernel/qeventloop.cpp:225
#5  0x00007fdd831273d7 in QThread::exec() (this=<optimized out>) at
thread/qthread.cpp:536
#6  0x00007fdd85024555 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007fdd831288ac in QThreadPrivate::start(void*) (arg=0x7fdd8529cda0) at
thread/qthread_unix.cpp:342
#8  0x00007fdd7fdab6db in start_thread (arg=0x7fdd74736700) at
pthread_create.c:463
#9  0x00007fdd82a1d88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fdd8964c800 (LWP 9293)):
[KCrash Handler]
#6  0x00007fdd8293ae97 in __GI_raise (sig=sig@entry=6) at
../sysdeps/unix/sysv/linux/raise.c:51
#7  0x00007fdd8293c801 in __GI_abort () at abort.c:79
#8  0x00007fdd831045fb in qt_message_fatal (context=..., message=<synthetic
pointer>...) at global/qlogging.cpp:1914
#9  0x00007fdd831045fb in QMessageLogger::fatal(char const*, ...) const
(this=<optimized out>, msg=<optimized out>) at global/qlogging.cpp:893
#10 0x00007fdd76a4e5fd in  () at
/usr/lib/x86_64-linux-gnu/libQt5WaylandClient.so.5
#11 0x00007fdd76a4e64e in QtWaylandClient::QWaylandDisplay::flushRequests() ()
at /usr/lib/x86_64-linux-gnu/libQt5WaylandClient.so.5
#12 0x00007fdd83353139 in doActivate<false>(QObject*, int, void**)
(sender=0x55aae0f98f30, signal_index=3, argv=0x7fff8afce300) at
kernel/qobject.cpp:3882
#13 0x00007fdd8334dc12 in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) (sender=sender@entry=0x55aae0f98f30, m=m@entry=0x7fdd837e5240
<QAbstractEventDispatcher::staticMetaObject>,
local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at
kernel/qobject.cpp:3930
#14 0x00007fdd83314810 in QAbstractEventDispatcher::aboutToBlock()
(this=this@entry=0x55aae0f98f30) at .moc/moc_qabstracteventdispatcher.cpp:143
#15 0x00007fdd833773fe in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x55aae0f98f30, flags=...) at kernel/qeventdispatcher_glib.cpp:410
#16 0x00007fdd833169aa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7fff8afce420, flags=..., flags@entry=...) at
kernel/qeventloop.cpp:225
#17 0x00007fdd83320120 in QCoreApplication::exec() () at
kernel/qcoreapplication.cpp:1383
#18 0x000055aae09b6894 in main(int, char**) (argc=<optimized out>,
argv=<optimized out>) at ./shell/main.cpp:228

Possible duplicates by query: bug 421008, bug 420414, bug 419877, bug 419798,
bug 419017.

Reported using DrKonqi

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