https://bugs.kde.org/show_bug.cgi?id=458153

            Bug ID: 458153
           Summary: Plsama crush when connect 2 displays via USB-C dock
           Product: plasmashell
           Version: 5.25.4
          Platform: Neon Packages
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: plasma-b...@kde.org
          Reporter: kp...@yandex.ru
                CC: k...@davidedmundson.co.uk
  Target Milestone: 1.0

Application: plasmashell (5.25.4)

Qt Version: 5.15.5
Frameworks Version: 5.96.0
Operating System: Linux 5.15.0-46-generic x86_64
Windowing System: X11
Distribution: KDE neon User - 5.25
DrKonqi: 5.25.4 [KCrashBackend]

-- Information about the crash:
Every time when i connect 2 extra displays to my laptop plasma crashed. It
started after last update

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault

[New LWP 3676]
[New LWP 3695]
[New LWP 3763]
[New LWP 3773]
[New LWP 3800]
[New LWP 3801]
[New LWP 3802]
[New LWP 3803]
[New LWP 3804]
[New LWP 3805]
[New LWP 3806]
[New LWP 3807]
[New LWP 3808]
[New LWP 3809]
[New LWP 3810]
[New LWP 3811]
[New LWP 3812]
[New LWP 3813]
[New LWP 3814]
[New LWP 3815]
[New LWP 3816]
[New LWP 3817]
[New LWP 3818]
[New LWP 3915]
[New LWP 3916]
[New LWP 3966]
[New LWP 4075]
[New LWP 4132]
[New LWP 4133]
[New LWP 5817]
[New LWP 5818]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f0d5028199f in __GI___poll (fds=0x7ffdb851be38, nfds=1, timeout=1000) at
../sysdeps/unix/sysv/linux/poll.c:29
__preamble__
[Current thread is 1 (Thread 0x7f0d4c3ac9c0 (LWP 3664))]

Thread 32 (Thread 0x7f0c57fff700 (LWP 5818)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55c2e47c8f60) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55c2e47c8f10,
cond=0x55c2e47c8f38) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55c2e47c8f38, mutex=0x55c2e47c8f10) at
pthread_cond_wait.c:647
#3  0x00007f0d506175fb in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f0d522b12f4 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f0d522b1769 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f0d50611553 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f0d4ffa4609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#8  0x00007f0d5028e133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 31 (Thread 0x7f0c577fe700 (LWP 5817)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55c2e49363a0) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55c2e4936350,
cond=0x55c2e4936378) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55c2e4936378, mutex=0x55c2e4936350) at
pthread_cond_wait.c:647
#3  0x00007f0d398ad5eb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f0d398ad1eb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f0d4ffa4609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007f0d5028e133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 30 (Thread 0x7f0c73fff700 (LWP 4133)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55c2e370b654) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55c2e370b600,
cond=0x55c2e370b628) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55c2e370b628, mutex=0x55c2e370b600) at
pthread_cond_wait.c:647
#3  0x00007f0d506175fb in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f0d522b12f4 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f0d522b1769 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f0d50611553 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f0d4ffa4609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#8  0x00007f0d5028e133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 29 (Thread 0x7f0c94d78700 (LWP 4132)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55c2e3de7d00) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55c2e3de7cb0,
cond=0x55c2e3de7cd8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55c2e3de7cd8, mutex=0x55c2e3de7cb0) at
pthread_cond_wait.c:647
#3  0x00007f0d398ad5eb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f0d398ad1eb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f0d4ffa4609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007f0d5028e133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 28 (Thread 0x7f0c96ffd700 (LWP 4075)):
#0  0x00007f0d4eb5d508 in g_mutex_unlock () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f0d4eb0f888 in g_main_context_prepare () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0d4eb1029b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0d4eb104a3 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f0d508525bb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0d507f676b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f0d50610372 in QThread::exec() () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f0c9577a07c in KCupsConnection::run() () from
/lib/x86_64-linux-gnu/libkcupslib.so
#8  0x00007f0d50611553 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f0d4ffa4609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007f0d5028e133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 27 (Thread 0x7f0cd23e5700 (LWP 3966)):
#0  0x00007f0d5028199f in __GI___poll (fds=0x7f0cc4004a30, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f0d4eb1036e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0d4eb104a3 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0d508525bb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f0d507f676b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0d50610372 in QThread::exec() () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f0d521eb63a in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f0d50611553 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f0d4ffa4609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007f0d5028e133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 26 (Thread 0x7f0cd2fe6700 (LWP 3916)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55c2e21b5640) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55c2e21b55f0,
cond=0x55c2e21b5618) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55c2e21b5618, mutex=0x55c2e21b55f0) at
pthread_cond_wait.c:647
#3  0x00007f0d506175fb in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f0d522b12f4 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f0d522b1769 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f0d50611553 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f0d4ffa4609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#8  0x00007f0d5028e133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 25 (Thread 0x7f0d097fa700 (LWP 3915)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55c2e240de60) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55c2e240de10,
cond=0x55c2e240de38) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55c2e240de38, mutex=0x55c2e240de10) at
pthread_cond_wait.c:647
#3  0x00007f0d398ad5eb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f0d398ad1eb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f0d4ffa4609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007f0d5028e133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 24 (Thread 0x7f0d09ffb700 (LWP 3818)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55c2e1eea030) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55c2e1ee9fe0,
cond=0x55c2e1eea008) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55c2e1eea008, mutex=0x55c2e1ee9fe0) at
pthread_cond_wait.c:647
#3  0x00007f0d398ad5eb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f0d398ad1eb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f0d4ffa4609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007f0d5028e133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 23 (Thread 0x7f0d0a7fc700 (LWP 3817)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55c2e1eea030) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55c2e1ee9fe0,
cond=0x55c2e1eea008) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55c2e1eea008, mutex=0x55c2e1ee9fe0) at
pthread_cond_wait.c:647
#3  0x00007f0d398ad5eb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f0d398ad1eb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f0d4ffa4609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007f0d5028e133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 22 (Thread 0x7f0d0affd700 (LWP 3816)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55c2e1eea030) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55c2e1ee9fe0,
cond=0x55c2e1eea008) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55c2e1eea008, mutex=0x55c2e1ee9fe0) at
pthread_cond_wait.c:647
#3  0x00007f0d398ad5eb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f0d398ad1eb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f0d4ffa4609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007f0d5028e133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7f0d0b7fe700 (LWP 3815)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55c2e1eea030) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55c2e1ee9fe0,
cond=0x55c2e1eea008) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55c2e1eea008, mutex=0x55c2e1ee9fe0) at
pthread_cond_wait.c:647
#3  0x00007f0d398ad5eb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f0d398ad1eb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f0d4ffa4609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007f0d5028e133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7f0d0bfff700 (LWP 3814)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55c2e1eea030) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55c2e1ee9fe0,
cond=0x55c2e1eea008) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55c2e1eea008, mutex=0x55c2e1ee9fe0) at
pthread_cond_wait.c:647
#3  0x00007f0d398ad5eb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f0d398ad1eb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f0d4ffa4609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007f0d5028e133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7f0d14ff9700 (LWP 3813)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55c2e1ee9aa4) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55c2e1ee9a50,
cond=0x55c2e1ee9a78) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55c2e1ee9a78, mutex=0x55c2e1ee9a50) at
pthread_cond_wait.c:647
#3  0x00007f0d398ad5eb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f0d398ad1eb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f0d4ffa4609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007f0d5028e133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f0d157fa700 (LWP 3812)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55c2e1ee9aa4) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55c2e1ee9a50,
cond=0x55c2e1ee9a78) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55c2e1ee9a78, mutex=0x55c2e1ee9a50) at
pthread_cond_wait.c:647
#3  0x00007f0d398ad5eb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f0d398ad1eb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f0d4ffa4609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007f0d5028e133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f0d15ffb700 (LWP 3811)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55c2e1ee9aa4) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55c2e1ee9a50,
cond=0x55c2e1ee9a78) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55c2e1ee9a78, mutex=0x55c2e1ee9a50) at
pthread_cond_wait.c:647
#3  0x00007f0d398ad5eb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f0d398ad1eb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f0d4ffa4609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007f0d5028e133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f0d167fc700 (LWP 3810)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55c2e1ee9aa4) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55c2e1ee9a50,
cond=0x55c2e1ee9a78) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55c2e1ee9a78, mutex=0x55c2e1ee9a50) at
pthread_cond_wait.c:647
#3  0x00007f0d398ad5eb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f0d398ad1eb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f0d4ffa4609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007f0d5028e133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f0d16ffd700 (LWP 3809)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55c2e1ee9aa4) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55c2e1ee9a50,
cond=0x55c2e1ee9a78) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55c2e1ee9a78, mutex=0x55c2e1ee9a50) at
pthread_cond_wait.c:647
#3  0x00007f0d398ad5eb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f0d398ad1eb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f0d4ffa4609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007f0d5028e133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f0d177fe700 (LWP 3808)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55c2e1ee9aa4) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55c2e1ee9a50,
cond=0x55c2e1ee9a78) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55c2e1ee9a78, mutex=0x55c2e1ee9a50) at
pthread_cond_wait.c:647
#3  0x00007f0d398ad5eb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f0d398ad1eb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f0d4ffa4609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007f0d5028e133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f0d17fff700 (LWP 3807)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55c2e1ee9aa4) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55c2e1ee9a50,
cond=0x55c2e1ee9a78) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55c2e1ee9a78, mutex=0x55c2e1ee9a50) at
pthread_cond_wait.c:647
#3  0x00007f0d398ad5eb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f0d398ad1eb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f0d4ffa4609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007f0d5028e133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f0d2c845700 (LWP 3806)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55c2e1ee9aa4) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55c2e1ee9a50,
cond=0x55c2e1ee9a78) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55c2e1ee9a78, mutex=0x55c2e1ee9a50) at
pthread_cond_wait.c:647
#3  0x00007f0d398ad5eb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f0d398ad1eb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f0d4ffa4609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007f0d5028e133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f0d2d046700 (LWP 3805)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55c2e1ee9aa4) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55c2e1ee9a50,
cond=0x55c2e1ee9a78) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55c2e1ee9a78, mutex=0x55c2e1ee9a50) at
pthread_cond_wait.c:647
#3  0x00007f0d398ad5eb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f0d398ad1eb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f0d4ffa4609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007f0d5028e133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f0d2d847700 (LWP 3804)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55c2e1ee9aa0) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55c2e1ee9a50,
cond=0x55c2e1ee9a78) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55c2e1ee9a78, mutex=0x55c2e1ee9a50) at
pthread_cond_wait.c:647
#3  0x00007f0d398ad5eb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f0d398ad1eb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f0d4ffa4609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007f0d5028e133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f0d2e048700 (LWP 3803)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55c2e1ee9aa0) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55c2e1ee9a50,
cond=0x55c2e1ee9a78) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55c2e1ee9a78, mutex=0x55c2e1ee9a50) at
pthread_cond_wait.c:647
#3  0x00007f0d398ad5eb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f0d398ad1eb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f0d4ffa4609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007f0d5028e133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f0d2e849700 (LWP 3802)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55c2e1ee9aa0) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55c2e1ee9a50,
cond=0x55c2e1ee9a78) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55c2e1ee9a78, mutex=0x55c2e1ee9a50) at
pthread_cond_wait.c:647
#3  0x00007f0d398ad5eb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f0d398ad1eb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f0d4ffa4609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007f0d5028e133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f0d38c80700 (LWP 3801)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55c2e1b8d9a8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55c2e1b8d958,
cond=0x55c2e1b8d980) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55c2e1b8d980, mutex=0x55c2e1b8d958) at
pthread_cond_wait.c:647
#3  0x00007f0d398ad5eb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f0d398ad1eb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f0d4ffa4609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007f0d5028e133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f0d395d6700 (LWP 3800)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55c2e1edd530) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55c2e1edd4e0,
cond=0x55c2e1edd508) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55c2e1edd508, mutex=0x55c2e1edd4e0) at
pthread_cond_wait.c:647
#3  0x00007f0d398ad5eb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f0d398ad1eb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f0d4ffa4609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007f0d5028e133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f0d3be77700 (LWP 3773)):
#0  __GI___libc_read (nbytes=16, buf=0x7f0d3be769d0, fd=13) at
../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=13, buf=0x7f0d3be769d0, nbytes=16) at
../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f0d4eb58b2f in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0d4eb0febe in g_main_context_check () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f0d4eb10312 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f0d4eb104a3 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f0d508525bb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f0d507f676b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f0d50610372 in QThread::exec() () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f0d50611553 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f0d4ffa4609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#11 0x00007f0d5028e133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f0d49369700 (LWP 3763)):
#0  __GI___libc_read (nbytes=16, buf=0x7f0d493689b0, fd=11) at
../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=11, buf=0x7f0d493689b0, nbytes=16) at
../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f0d4eb58b2f in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0d4eb0febe in g_main_context_check () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f0d4eb10312 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f0d4eb104a3 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f0d508525bb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f0d507f676b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f0d50610372 in QThread::exec() () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f0d51e4d1b9 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007f0d50611553 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f0d4ffa4609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#12 0x00007f0d5028e133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f0d4a605700 (LWP 3695)):
#0  0x00007f0d5028199f in __GI___poll (fds=0x7f0d3c004e60, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f0d4eb1036e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0d4eb104a3 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0d508525bb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f0d507f676b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0d50610372 in QThread::exec() () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f0d51190f4b in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f0d50611553 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f0d4ffa4609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007f0d5028e133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f0d4b338700 (LWP 3676)):
#0  0x00007f0d5028199f in __GI___poll (fds=0x7f0d4b337ae8, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f0d529d3c1a in ?? () from /lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f0d529d590a in xcb_wait_for_event () from
/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f0d4ba633c8 in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f0d50611553 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0d4ffa4609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007f0d5028e133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f0d4c3ac9c0 (LWP 3664)):
[KCrash Handler]
#4  0x00007f0d1456e89b in ?? () from
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kirigami.2/libKirigamiPlugin.so
#5  0x00007f0d5082ed1e in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f0d5061b9d5 in QFutureWatcherBase::event(QEvent*) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f0d51529e83 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#8  0x00007f0d51532c98 in QApplication::notify(QObject*, QEvent*) () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#9  0x00007f0d507f7c6a in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f0d507fa571 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f0d50852f47 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f0d4eb1017d in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#13 0x00007f0d4eb10400 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#14 0x00007f0d4eb104a3 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#15 0x00007f0d508525a2 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007f0d507f676b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007f0d507fe914 in QCoreApplication::exec() () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x000055c2e0ff4577 in ?? ()
#19 0x00007f0d50193083 in __libc_start_main (main=0x55c2e0ff36b0, argc=1,
argv=0x7ffdb851d418, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffdb851d408) at ../csu/libc-start.c:308
#20 0x000055c2e0ff469e in ?? ()
[Inferior 1 (process 3664) detached]

The reporter indicates this bug may be a duplicate of or related to bug 457438.

Reported using DrKonqi

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