https://bugs.kde.org/show_bug.cgi?id=471805

            Bug ID: 471805
           Summary: Closing Firefox ESR window preview crashes taskbar
    Classification: Plasma
           Product: plasmashell
           Version: 5.27.5
          Platform: Debian stable
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: plasma-b...@kde.org
          Reporter: miracledin...@gmail.com
                CC: k...@davidedmundson.co.uk
  Target Milestone: 1.0

Application: plasmashell (5.27.5)

Qt Version: 5.15.8
Frameworks Version: 5.103.0
Operating System: Linux 6.1.0-9-amd64 x86_64
Windowing System: X11
Distribution: Debian GNU/Linux 12 (bookworm)
DrKonqi: 5.27.5 [CoredumpBackend]

-- Information about the crash:
Steps to reproduce
Set Icons-Only Task Manager to show Window Previews when clicking a grouped
task.
Click pinned Firefox ESR on panel
Open a Private window in Firefox
Click the Firefox group on the panel, then press the red X button to close the
original (non-private) window.
The KDE Plasma Panel then crashes and opens the crash handler.

The crash can be reproduced every time.

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

           PID: 3142 (plasmashell)
           UID: 1000 (miracledinner)
           GID: 1000 (miracledinner)
        Signal: 11 (SEGV)
     Timestamp: Fri 2023-06-30 21:29:26 BST (27s ago)
  Command Line: /usr/bin/plasmashell --no-respawn
    Executable: /usr/bin/plasmashell
 Control Group:
/user.slice/user-1000.slice/user@1000.service/session.slice/plasma-plasmashell.service
          Unit: user@1000.service
     User Unit: plasma-plasmashell.service
         Slice: user-1000.slice
     Owner UID: 1000 (miracledinner)
       Boot ID: 66ebc8751a8b46228556e6258997e58e
    Machine ID: aa59d6daa7bf435499c8eb8a556b2dc4
      Hostname: elimina-debian
       Storage:
/var/lib/systemd/coredump/core.plasmashell.1000.66ebc8751a8b46228556e6258997e58e.3142.1688156966000000.zst
(present)
  Size on Disk: 19.3M
       Message: Process 3142 (plasmashell) of user 1000 dumped core.

                Module libsystemd.so.0 from deb systemd-252.6-1.amd64
                Module libudev.so.1 from deb systemd-252.6-1.amd64
                Stack trace of thread 3142:
                #0  0x00007f8594ea9ccc n/a (libc.so.6 + 0x8accc)
                #1  0x00007f8594e5aef2 raise (libc.so.6 + 0x3bef2)
                #2  0x00007f859756ab46 _ZN6KCrash19defaultCrashHandlerEi
(libKF5Crash.so.5 + 0x5b46)
                #3  0x00007f8594e5af90 n/a (libc.so.6 + 0x3bf90)
                #4  0x00007f8594ea9ccc n/a (libc.so.6 + 0x8accc)
                #5  0x00007f8594e5aef2 raise (libc.so.6 + 0x3bef2)
                #6  0x00007f8594e5af90 n/a (libc.so.6 + 0x3bf90)
                #7  0x00007f8594ea4d34 n/a (libc.so.6 + 0x85d34)
                #8  0x00007f8594ea73f8 pthread_cond_wait (libc.so.6 + 0x883f8)
                #9  0x00007f85950d1a2b
_ZN14QWaitCondition4waitEP6QMutex14QDeadlineTimer (libQt5Core.so.5 + 0xd1a2b)
                #10 0x00007f859700bd58 n/a (libQt5Quick.so.5 + 0x20bd58)
                #11 0x00007f859700d013 n/a (libQt5Quick.so.5 + 0x20d013)
                #12 0x00007f85957493f5 _ZN7QWindow5eventEP6QEvent
(libQt5Gui.so.5 + 0x1493f5)
                #13 0x00007f85840dd055 n/a (libcorebindingsplugin.so + 0x3f055)
                #14 0x00007f8596162fae
_ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent (libQt5Widgets.so.5 +
0x162fae)
                #15 0x00007f85952b16f8
_ZN16QCoreApplication15notifyInternal2EP7QObjectP6QEvent (libQt5Core.so.5 +
0x2b16f8)
                #16 0x00007f859573e5cd
_ZN22QGuiApplicationPrivate18processExposeEventEPN29QWindowSystemInterfacePrivate11ExposeEventE
(libQt5Gui.so.5 + 0x13e5cd)
                #17 0x00007f8595711cac
_ZN22QWindowSystemInterface22sendWindowSystemEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE
(libQt5Gui.so.5 + 0x111cac)
                #18 0x00007f85905c6eca n/a (libQt5XcbQpa.so.5 + 0x6deca)
                #19 0x00007f8593d8b7a9 g_main_context_dispatch
(libglib-2.0.so.0 + 0x547a9)
                #20 0x00007f8593d8ba38 n/a (libglib-2.0.so.0 + 0x54a38)
                #21 0x00007f8593d8bacc g_main_context_iteration
(libglib-2.0.so.0 + 0x54acc)
                #22 0x00007f8595309836
_ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE
(libQt5Core.so.5 + 0x309836)
                #23 0x00007f85952b017b
_ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 +
0x2b017b)
                #24 0x00007f85952b82d6 _ZN16QCoreApplication4execEv
(libQt5Core.so.5 + 0x2b82d6)
                #25 0x000055c329c87dc3 n/a (plasmashell + 0x26dc3)
                #26 0x00007f8594e4618a n/a (libc.so.6 + 0x2718a)
                #27 0x00007f8594e46245 __libc_start_main (libc.so.6 + 0x27245)
                #28 0x000055c329c87ee1 n/a (plasmashell + 0x26ee1)

                Stack trace of thread 3146:
                #0  0x00007f8594ea4d36 n/a (libc.so.6 + 0x85d36)
                #1  0x00007f8594ea73f8 pthread_cond_wait (libc.so.6 + 0x883f8)
                #2  0x00007f858c90c059 n/a (iris_dri.so + 0x10c059)
                #3  0x00007f858c8be17b n/a (iris_dri.so + 0xbe17b)
                #4  0x00007f858c90bf97 n/a (iris_dri.so + 0x10bf97)
                #5  0x00007f8594ea7fd4 n/a (libc.so.6 + 0x88fd4)
                #6  0x00007f8594f285bc n/a (libc.so.6 + 0x1095bc)

                Stack trace of thread 3147:
                #0  0x00007f8594ea4d36 n/a (libc.so.6 + 0x85d36)
                #1  0x00007f8594ea73f8 pthread_cond_wait (libc.so.6 + 0x883f8)
                #2  0x00007f858c90c059 n/a (iris_dri.so + 0x10c059)
                #3  0x00007f858c8be17b n/a (iris_dri.so + 0xbe17b)
                #4  0x00007f858c90bf97 n/a (iris_dri.so + 0x10bf97)
                #5  0x00007f8594ea7fd4 n/a (libc.so.6 + 0x88fd4)
                #6  0x00007f8594f285bc n/a (libc.so.6 + 0x1095bc)

                Stack trace of thread 3148:
                #0  0x00007f8594ea4d36 n/a (libc.so.6 + 0x85d36)
                #1  0x00007f8594ea73f8 pthread_cond_wait (libc.so.6 + 0x883f8)
                #2  0x00007f858c90c059 n/a (iris_dri.so + 0x10c059)
                #3  0x00007f858c8be17b n/a (iris_dri.so + 0xbe17b)
                #4  0x00007f858c90bf97 n/a (iris_dri.so + 0x10bf97)
                #5  0x00007f8594ea7fd4 n/a (libc.so.6 + 0x88fd4)
                #6  0x00007f8594f285bc n/a (libc.so.6 + 0x1095bc)

                Stack trace of thread 3145:
                #0  0x00007f8594f1afff __poll (libc.so.6 + 0xfbfff)
                #1  0x00007f8593d8b9ae n/a (libglib-2.0.so.0 + 0x549ae)
                #2  0x00007f8593d8bacc g_main_context_iteration
(libglib-2.0.so.0 + 0x54acc)
                #3  0x00007f859530984e
_ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE
(libQt5Core.so.5 + 0x30984e)
                #4  0x00007f85952b017b
_ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 +
0x2b017b)
                #5  0x00007f85950cab87 _ZN7QThread4execEv (libQt5Core.so.5 +
0xcab87)
                #6  0x00007f8595ebc487 n/a (libQt5DBus.so.5 + 0x17487)
                #7  0x00007f85950cbd43 n/a (libQt5Core.so.5 + 0xcbd43)
                #8  0x00007f8594ea7fd4 n/a (libc.so.6 + 0x88fd4)
                #9  0x00007f8594f285bc n/a (libc.so.6 + 0x1095bc)

                Stack trace of thread 3149:
                #0  0x00007f8594ea4d36 n/a (libc.so.6 + 0x85d36)
                #1  0x00007f8594ea73f8 pthread_cond_wait (libc.so.6 + 0x883f8)
                #2  0x00007f858c90c059 n/a (iris_dri.so + 0x10c059)
                #3  0x00007f858c8be17b n/a (iris_dri.so + 0xbe17b)
                #4  0x00007f858c90bf97 n/a (iris_dri.so + 0x10bf97)
                #5  0x00007f8594ea7fd4 n/a (libc.so.6 + 0x88fd4)
                #6  0x00007f8594f285bc n/a (libc.so.6 + 0x1095bc)

                Stack trace of thread 3150:
                #0  0x00007f8594ea4d36 n/a (libc.so.6 + 0x85d36)
                #1  0x00007f8594ea73f8 pthread_cond_wait (libc.so.6 + 0x883f8)
                #2  0x00007f858c90c059 n/a (iris_dri.so + 0x10c059)
                #3  0x00007f858c8be17b n/a (iris_dri.so + 0xbe17b)
                #4  0x00007f858c90bf97 n/a (iris_dri.so + 0x10bf97)
                #5  0x00007f8594ea7fd4 n/a (libc.so.6 + 0x88fd4)
                #6  0x00007f8594f285bc n/a (libc.so.6 + 0x1095bc)

                Stack trace of thread 3153:
                #0  0x00007f8594ea4d36 n/a (libc.so.6 + 0x85d36)
                #1  0x00007f8594ea73f8 pthread_cond_wait (libc.so.6 + 0x883f8)
                #2  0x00007f858c90c059 n/a (iris_dri.so + 0x10c059)
                #3  0x00007f858c8be17b n/a (iris_dri.so + 0xbe17b)
                #4  0x00007f858c90bf97 n/a (iris_dri.so + 0x10bf97)
                #5  0x00007f8594ea7fd4 n/a (libc.so.6 + 0x88fd4)
                #6  0x00007f8594f285bc n/a (libc.so.6 + 0x1095bc)

                Stack trace of thread 3154:
                #0  0x00007f8594ea4d36 n/a (libc.so.6 + 0x85d36)
                #1  0x00007f8594ea73f8 pthread_cond_wait (libc.so.6 + 0x883f8)
                #2  0x00007f858c90c059 n/a (iris_dri.so + 0x10c059)
                #3  0x00007f858c8be17b n/a (iris_dri.so + 0xbe17b)
                #4  0x00007f858c90bf97 n/a (iris_dri.so + 0x10bf97)
                #5  0x00007f8594ea7fd4 n/a (libc.so.6 + 0x88fd4)
                #6  0x00007f8594f285bc n/a (libc.so.6 + 0x1095bc)

                Stack trace of thread 3152:
                #0  0x00007f8594ea4d36 n/a (libc.so.6 + 0x85d36)
                #1  0x00007f8594ea73f8 pthread_cond_wait (libc.so.6 + 0x883f8)
                #2  0x00007f858c90c059 n/a (iris_dri.so + 0x10c059)
                #3  0x00007f858c8be17b n/a (iris_dri.so + 0xbe17b)
                #4  0x00007f858c90bf97 n/a (iris_dri.so + 0x10bf97)
                #5  0x00007f8594ea7fd4 n/a (libc.so.6 + 0x88fd4)
                #6  0x00007f8594f285bc n/a (libc.so.6 + 0x1095bc)

                Stack trace of thread 3151:
                #0  0x00007f8594ea4d36 n/a (libc.so.6 + 0x85d36)
                #1  0x00007f8594ea73f8 pthread_cond_wait (libc.so.6 + 0x883f8)
                #2  0x00007f858c90c059 n/a (iris_dri.so + 0x10c059)
                #3  0x00007f858c8be17b n/a (iris_dri.so + 0xbe17b)
                #4  0x00007f858c90bf97 n/a (iris_dri.so + 0x10bf97)
                #5  0x00007f8594ea7fd4 n/a (libc.so.6 + 0x88fd4)
                #6  0x00007f8594f285bc n/a (libc.so.6 + 0x1095bc)

                Stack trace of thread 3157:
                #0  0x00007f8594ea4d36 n/a (libc.so.6 + 0x85d36)
                #1  0x00007f8594ea73f8 pthread_cond_wait (libc.so.6 + 0x883f8)
                #2  0x00007f858c90c059 n/a (iris_dri.so + 0x10c059)
                #3  0x00007f858c8be17b n/a (iris_dri.so + 0xbe17b)
                #4  0x00007f858c90bf97 n/a (iris_dri.so + 0x10bf97)
                #5  0x00007f8594ea7fd4 n/a (libc.so.6 + 0x88fd4)
                #6  0x00007f8594f285bc n/a (libc.so.6 + 0x1095bc)

                Stack trace of thread 3155:
                #0  0x00007f8594ea4d36 n/a (libc.so.6 + 0x85d36)
                #1  0x00007f8594ea73f8 pthread_cond_wait (libc.so.6 + 0x883f8)
                #2  0x00007f858c90c059 n/a (iris_dri.so + 0x10c059)
                #3  0x00007f858c8be17b n/a (iris_dri.so + 0xbe17b)
                #4  0x00007f858c90bf97 n/a (iris_dri.so + 0x10bf97)
                #5  0x00007f8594ea7fd4 n/a (libc.so.6 + 0x88fd4)
                #6  0x00007f8594f285bc n/a (libc.so.6 + 0x1095bc)

                Stack trace of thread 3158:
                #0  0x00007f8594ea4d36 n/a (libc.so.6 + 0x85d36)
                #1  0x00007f8594ea73f8 pthread_cond_wait (libc.so.6 + 0x883f8)
                #2  0x00007f858c90c059 n/a (iris_dri.so + 0x10c059)
                #3  0x00007f858c8be17b n/a (iris_dri.so + 0xbe17b)
                #4  0x00007f858c90bf97 n/a (iris_dri.so + 0x10bf97)
                #5  0x00007f8594ea7fd4 n/a (libc.so.6 + 0x88fd4)
                #6  0x00007f8594f285bc n/a (libc.so.6 + 0x1095bc)

                Stack trace of thread 3156:
                #0  0x00007f8594ea4d36 n/a (libc.so.6 + 0x85d36)
                #1  0x00007f8594ea73f8 pthread_cond_wait (libc.so.6 + 0x883f8)
                #2  0x00007f858c90c059 n/a (iris_dri.so + 0x10c059)
                #3  0x00007f858c8be17b n/a (iris_dri.so + 0xbe17b)
                #4  0x00007f858c90bf97 n/a (iris_dri.so + 0x10bf97)
                #5  0x00007f8594ea7fd4 n/a (libc.so.6 + 0x88fd4)
                #6  0x00007f8594f285bc n/a (libc.so.6 + 0x1095bc)

                Stack trace of thread 3169:
                #0  0x00007f8594f1afff __poll (libc.so.6 + 0xfbfff)
                #1  0x00007f8593d8b9ae n/a (libglib-2.0.so.0 + 0x549ae)
                #2  0x00007f8593d8bacc g_main_context_iteration
(libglib-2.0.so.0 + 0x54acc)
                #3  0x00007f8595309836
_ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE
(libQt5Core.so.5 + 0x309836)
                #4  0x00007f85952b017b
_ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 +
0x2b017b)
                #5  0x00007f85950cab87 _ZN7QThread4execEv (libQt5Core.so.5 +
0xcab87)
                #6  0x00007f8596b28555 n/a (libQt5Qml.so.5 + 0x328555)
                #7  0x00007f85950cbd43 n/a (libQt5Core.so.5 + 0xcbd43)
                #8  0x00007f8594ea7fd4 n/a (libc.so.6 + 0x88fd4)
                #9  0x00007f8594f285bc n/a (libc.so.6 + 0x1095bc)

                Stack trace of thread 3620:
                #0  0x00007f8594ea4d36 n/a (libc.so.6 + 0x85d36)
                #1  0x00007f8594ea76dc pthread_cond_timedwait (libc.so.6 +
0x886dc)
                #2  0x00007f85950d19bc
_ZN14QWaitCondition4waitEP6QMutex14QDeadlineTimer (libQt5Core.so.5 + 0xd19bc)
                #3  0x00007f85950cf0a5 n/a (libQt5Core.so.5 + 0xcf0a5)
                #4  0x00007f85950cbd43 n/a (libQt5Core.so.5 + 0xcbd43)
                #5  0x00007f8594ea7fd4 n/a (libc.so.6 + 0x88fd4)
                #6  0x00007f8594f285bc n/a (libc.so.6 + 0x1095bc)

                Stack trace of thread 3617:
                #0  0x00007f8594ea4d36 n/a (libc.so.6 + 0x85d36)
                #1  0x00007f8594ea76dc pthread_cond_timedwait (libc.so.6 +
0x886dc)
                #2  0x00007f85950d19bc
_ZN14QWaitCondition4waitEP6QMutex14QDeadlineTimer (libQt5Core.so.5 + 0xd19bc)
                #3  0x00007f85950cf0a5 n/a (libQt5Core.so.5 + 0xcf0a5)
                #4  0x00007f85950cbd43 n/a (libQt5Core.so.5 + 0xcbd43)
                #5  0x00007f8594ea7fd4 n/a (libc.so.6 + 0x88fd4)
                #6  0x00007f8594f285bc n/a (libc.so.6 + 0x1095bc)

                Stack trace of thread 3968:
                #0  0x00007f8594ea4d36 n/a (libc.so.6 + 0x85d36)
                #1  0x00007f8594ea73f8 pthread_cond_wait (libc.so.6 + 0x883f8)
                #2  0x00007f858c90c059 n/a (iris_dri.so + 0x10c059)
                #3  0x00007f858c8be17b n/a (iris_dri.so + 0xbe17b)
                #4  0x00007f858c90bf97 n/a (iris_dri.so + 0x10bf97)
                #5  0x00007f8594ea7fd4 n/a (libc.so.6 + 0x88fd4)
                #6  0x00007f8594f285bc n/a (libc.so.6 + 0x1095bc)

                Stack trace of thread 3618:
                #0  0x00007f8594ea4d36 n/a (libc.so.6 + 0x85d36)
                #1  0x00007f8594ea76dc pthread_cond_timedwait (libc.so.6 +
0x886dc)
                #2  0x00007f85950d19bc
_ZN14QWaitCondition4waitEP6QMutex14QDeadlineTimer (libQt5Core.so.5 + 0xd19bc)
                #3  0x00007f85950cf0a5 n/a (libQt5Core.so.5 + 0xcf0a5)
                #4  0x00007f85950cbd43 n/a (libQt5Core.so.5 + 0xcbd43)
                #5  0x00007f8594ea7fd4 n/a (libc.so.6 + 0x88fd4)
                #6  0x00007f8594f285bc n/a (libc.so.6 + 0x1095bc)

                Stack trace of thread 3621:
                #0  0x00007f8594ea4d36 n/a (libc.so.6 + 0x85d36)
                #1  0x00007f8594ea76dc pthread_cond_timedwait (libc.so.6 +
0x886dc)
                #2  0x00007f85950d19bc
_ZN14QWaitCondition4waitEP6QMutex14QDeadlineTimer (libQt5Core.so.5 + 0xd19bc)
                #3  0x00007f85950cf0a5 n/a (libQt5Core.so.5 + 0xcf0a5)
                #4  0x00007f85950cbd43 n/a (libQt5Core.so.5 + 0xcbd43)
                #5  0x00007f8594ea7fd4 n/a (libc.so.6 + 0x88fd4)
                #6  0x00007f8594f285bc n/a (libc.so.6 + 0x1095bc)

                Stack trace of thread 3164:
                #0  0x00007f8594ea4d36 n/a (libc.so.6 + 0x85d36)
                #1  0x00007f8594ea73f8 pthread_cond_wait (libc.so.6 + 0x883f8)
                #2  0x00007f858c90c059 n/a (iris_dri.so + 0x10c059)
                #3  0x00007f858c8be17b n/a (iris_dri.so + 0xbe17b)
                #4  0x00007f858c90bf97 n/a (iris_dri.so + 0x10bf97)
                #5  0x00007f8594ea7fd4 n/a (libc.so.6 + 0x88fd4)
                #6  0x00007f8594f285bc n/a (libc.so.6 + 0x1095bc)

                Stack trace of thread 3616:
                #0  0x00007f8594ea4d36 n/a (libc.so.6 + 0x85d36)
                #1  0x00007f8594ea76dc pthread_cond_timedwait (libc.so.6 +
0x886dc)
                #2  0x00007f85950d19bc
_ZN14QWaitCondition4waitEP6QMutex14QDeadlineTimer (libQt5Core.so.5 + 0xd19bc)
                #3  0x00007f85950cf0a5 n/a (libQt5Core.so.5 + 0xcf0a5)
                #4  0x00007f85950cbd43 n/a (libQt5Core.so.5 + 0xcbd43)
                #5  0x00007f8594ea7fd4 n/a (libc.so.6 + 0x88fd4)
                #6  0x00007f8594f285bc n/a (libc.so.6 + 0x1095bc)

                Stack trace of thread 3183:
                #0  0x00007f8594ea4d36 n/a (libc.so.6 + 0x85d36)
                #1  0x00007f8594ea73f8 pthread_cond_wait (libc.so.6 + 0x883f8)
                #2  0x00007f858c90c059 n/a (iris_dri.so + 0x10c059)
                #3  0x00007f858c8be17b n/a (iris_dri.so + 0xbe17b)
                #4  0x00007f858c90bf97 n/a (iris_dri.so + 0x10bf97)
                #5  0x00007f8594ea7fd4 n/a (libc.so.6 + 0x88fd4)
                #6  0x00007f8594f285bc n/a (libc.so.6 + 0x1095bc)

                Stack trace of thread 3619:
                #0  0x00007f8594ea4d36 n/a (libc.so.6 + 0x85d36)
                #1  0x00007f8594ea76dc pthread_cond_timedwait (libc.so.6 +
0x886dc)
                #2  0x00007f85950d19bc
_ZN14QWaitCondition4waitEP6QMutex14QDeadlineTimer (libQt5Core.so.5 + 0xd19bc)
                #3  0x00007f85950cf0a5 n/a (libQt5Core.so.5 + 0xcf0a5)
                #4  0x00007f85950cbd43 n/a (libQt5Core.so.5 + 0xcbd43)
                #5  0x00007f8594ea7fd4 n/a (libc.so.6 + 0x88fd4)
                #6  0x00007f8594f285bc n/a (libc.so.6 + 0x1095bc)

                Stack trace of thread 3622:
                #0  0x00007f8594ea4d36 n/a (libc.so.6 + 0x85d36)
                #1  0x00007f8594ea73f8 pthread_cond_wait (libc.so.6 + 0x883f8)
                #2  0x00007f858c90c059 n/a (iris_dri.so + 0x10c059)
                #3  0x00007f858c8be17b n/a (iris_dri.so + 0xbe17b)
                #4  0x00007f858c90bf97 n/a (iris_dri.so + 0x10bf97)
                #5  0x00007f8594ea7fd4 n/a (libc.so.6 + 0x88fd4)
                #6  0x00007f8594f285bc n/a (libc.so.6 + 0x1095bc)

                Stack trace of thread 3623:
                #0  0x00007f8594f1afff __poll (libc.so.6 + 0xfbfff)
                #1  0x00007f859756a150 n/a (libKF5Crash.so.5 + 0x5150)
                #2  0x00007f859756aad6 _ZN6KCrash19defaultCrashHandlerEi
(libKF5Crash.so.5 + 0x5ad6)
                #3  0x00007f8594e5af90 n/a (libc.so.6 + 0x3bf90)
                #4  0x00007f8596fc1f5a
_ZN30QSGOpaqueTextureMaterialShader11updateStateERKN17QSGMaterialShader11RenderStateEP11QSGMaterialS5_
(libQt5Quick.so.5 + 0x1c1f5a)
                #5  0x00007f8596faa80d
_ZN16QSGBatchRenderer8Renderer17renderMergedBatchEPKNS_5BatchE
(libQt5Quick.so.5 + 0x1aa80d)
                #6  0x00007f8596fafa55
_ZN16QSGBatchRenderer8Renderer13renderBatchesEv (libQt5Quick.so.5 + 0x1afa55)
                #7  0x00007f8596fb05b6 _ZN16QSGBatchRenderer8Renderer6renderEv
(libQt5Quick.so.5 + 0x1b05b6)
                #8  0x00007f8596f97f00
_ZN11QSGRenderer11renderSceneERK11QSGBindable (libQt5Quick.so.5 + 0x197f00)
                #9  0x00007f8596f983b3 _ZN11QSGRenderer11renderSceneEj
(libQt5Quick.so.5 + 0x1983b3)
                #10 0x00007f8596ffb663
_ZN23QSGDefaultRenderContext15renderNextFrameEP11QSGRendererj (libQt5Quick.so.5
+ 0x1fb663)
                #11 0x00007f8597068139
_ZN19QQuickWindowPrivate16renderSceneGraphERK5QSizeS2_ (libQt5Quick.so.5 +
0x268139)
                #12 0x00007f8597009597 n/a (libQt5Quick.so.5 + 0x209597)
                #13 0x00007f859700a46f n/a (libQt5Quick.so.5 + 0x20a46f)
                #14 0x00007f85950cbd43 n/a (libQt5Core.so.5 + 0xcbd43)
                #15 0x00007f8594ea7fd4 n/a (libc.so.6 + 0x88fd4)
                #16 0x00007f8594f285bc n/a (libc.so.6 + 0x1095bc)

                Stack trace of thread 3184:
                #0  0x00007f8594ea4d36 n/a (libc.so.6 + 0x85d36)
                #1  0x00007f8594ea73f8 pthread_cond_wait (libc.so.6 + 0x883f8)
                #2  0x00007f85950d1a2b
_ZN14QWaitCondition4waitEP6QMutex14QDeadlineTimer (libQt5Core.so.5 + 0xd1a2b)
                #3  0x00007f8597008085 n/a (libQt5Quick.so.5 + 0x208085)
                #4  0x00007f859700a4b1 n/a (libQt5Quick.so.5 + 0x20a4b1)
                #5  0x00007f85950cbd43 n/a (libQt5Core.so.5 + 0xcbd43)
                #6  0x00007f8594ea7fd4 n/a (libc.so.6 + 0x88fd4)
                #7  0x00007f8594f285bc n/a (libc.so.6 + 0x1095bc)

                Stack trace of thread 3207:
                #0  0x00007f8594ea4d36 n/a (libc.so.6 + 0x85d36)
                #1  0x00007f8594ea73f8 pthread_cond_wait (libc.so.6 + 0x883f8)
                #2  0x00007f85950d1a2b
_ZN14QWaitCondition4waitEP6QMutex14QDeadlineTimer (libQt5Core.so.5 + 0xd1a2b)
                #3  0x00007f8597008085 n/a (libQt5Quick.so.5 + 0x208085)
                #4  0x00007f859700a4b1 n/a (libQt5Quick.so.5 + 0x20a4b1)
                #5  0x00007f85950cbd43 n/a (libQt5Core.so.5 + 0xcbd43)
                #6  0x00007f8594ea7fd4 n/a (libc.so.6 + 0x88fd4)
                #7  0x00007f8594f285bc n/a (libc.so.6 + 0x1095bc)

                Stack trace of thread 3206:
                #0  0x00007f8594ea4d36 n/a (libc.so.6 + 0x85d36)
                #1  0x00007f8594ea73f8 pthread_cond_wait (libc.so.6 + 0x883f8)
                #2  0x00007f858c90c059 n/a (iris_dri.so + 0x10c059)
                #3  0x00007f858c8be17b n/a (iris_dri.so + 0xbe17b)
                #4  0x00007f858c90bf97 n/a (iris_dri.so + 0x10bf97)
                #5  0x00007f8594ea7fd4 n/a (libc.so.6 + 0x88fd4)
                #6  0x00007f8594f285bc n/a (libc.so.6 + 0x1095bc)

                Stack trace of thread 3193:
                #0  0x00007f8594f1d8e1 pselect (libc.so.6 + 0xfe8e1)
                #1  0x00007f8592f3fa62 n/a (libusbmuxd-2.0.so.6 + 0x2a62)
                #2  0x00007f8592f40e60 n/a (libusbmuxd-2.0.so.6 + 0x3e60)
                #3  0x00007f8594ea7fd4 n/a (libc.so.6 + 0x88fd4)
                #4  0x00007f8594f285bc n/a (libc.so.6 + 0x1095bc)

                Stack trace of thread 3186:
                #0  0x00007f8594f1afff __poll (libc.so.6 + 0xfbfff)
                #1  0x00007f8593d8b9ae n/a (libglib-2.0.so.0 + 0x549ae)
                #2  0x00007f8593d8bacc g_main_context_iteration
(libglib-2.0.so.0 + 0x54acc)
                #3  0x00007f8595309836
_ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE
(libQt5Core.so.5 + 0x309836)
                #4  0x00007f85952b017b
_ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 +
0x2b017b)
                #5  0x00007f85950cab87 _ZN7QThread4execEv (libQt5Core.so.5 +
0xcab87)
                #6  0x00007f8596f566d6 n/a (libQt5Quick.so.5 + 0x1566d6)
                #7  0x00007f85950cbd43 n/a (libQt5Core.so.5 + 0xcbd43)
                #8  0x00007f8594ea7fd4 n/a (libc.so.6 + 0x88fd4)
                #9  0x00007f8594f285bc n/a (libc.so.6 + 0x1095bc)

                Stack trace of thread 3615:
                #0  0x00007f8594ea4d36 n/a (libc.so.6 + 0x85d36)
                #1  0x00007f8594ea76dc pthread_cond_timedwait (libc.so.6 +
0x886dc)
                #2  0x00007f85950d19bc
_ZN14QWaitCondition4waitEP6QMutex14QDeadlineTimer (libQt5Core.so.5 + 0xd19bc)
                #3  0x00007f85950cf0a5 n/a (libQt5Core.so.5 + 0xcf0a5)
                #4  0x00007f85950cbd43 n/a (libQt5Core.so.5 + 0xcbd43)
                #5  0x00007f8594ea7fd4 n/a (libc.so.6 + 0x88fd4)
                #6  0x00007f8594f285bc n/a (libc.so.6 + 0x1095bc)

                Stack trace of thread 3202:
                #0  0x00007f8594f1afff __poll (libc.so.6 + 0xfbfff)
                #1  0x00007f8593d8b9ae n/a (libglib-2.0.so.0 + 0x549ae)
                #2  0x00007f8593d8bacc g_main_context_iteration
(libglib-2.0.so.0 + 0x54acc)
                #3  0x00007f8595309836
_ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE
(libQt5Core.so.5 + 0x309836)
                #4  0x00007f85952b017b
_ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 +
0x2b017b)
                #5  0x00007f85950cab87 _ZN7QThread4execEv (libQt5Core.so.5 +
0xcab87)
                #6  0x00007f850fe45667 _ZN15KCupsConnection3runEv
(libkcupslib.so + 0x23667)
                #7  0x00007f85950cbd43 n/a (libQt5Core.so.5 + 0xcbd43)
                #8  0x00007f8594ea7fd4 n/a (libc.so.6 + 0x88fd4)
                #9  0x00007f8594f285bc n/a (libc.so.6 + 0x1095bc)
                ELF object binary architecture: AMD x86-64

[New LWP 3142]
[New LWP 3146]
[New LWP 3147]
[New LWP 3148]
[New LWP 3145]
[New LWP 3149]
[New LWP 3150]
[New LWP 3153]
[New LWP 3154]
[New LWP 3152]
[New LWP 3151]
[New LWP 3157]
[New LWP 3155]
[New LWP 3158]
[New LWP 3156]
[New LWP 3169]
[New LWP 3620]
[New LWP 3617]
[New LWP 3968]
[New LWP 3618]
[New LWP 3621]
[New LWP 3164]
[New LWP 3616]
[New LWP 3183]
[New LWP 3619]
[New LWP 3622]
[New LWP 3623]
[New LWP 3184]
[New LWP 3207]
[New LWP 3206]
[New LWP 3193]
[New LWP 3186]
[New LWP 3615]
[New LWP 3202]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/usr/bin/plasmashell --no-respawn'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00007f8594ea9ccc in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[Current thread is 1 (Thread 0x7f85906f2500 (LWP 3142))]
[Current thread is 1 (Thread 0x7f85906f2500 (LWP 3142))]

Thread 34 (Thread 0x7f8518da86c0 (LWP 3202)):
#0  0x00007f8594f1afff in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f8593d8b9ae in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8593d8bacc in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8595309836 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f85952b017b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f85950cab87 in QThread::exec() () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f850fe45667 in KCupsConnection::run() () from
/lib/x86_64-linux-gnu/libkcupslib.so
#7  0x00007f85950cbd43 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f8594ea7fd4 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#9  0x00007f8594f285bc in ?? () from /lib/x86_64-linux-gnu/libc.so.6

Thread 33 (Thread 0x7f84ff7fe6c0 (LWP 3615)):
#0  0x00007f8594ea4d36 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f8594ea76dc in pthread_cond_timedwait () from
/lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f85950d19bc in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f85950cf0a5 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f85950cbd43 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f8594ea7fd4 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x00007f8594f285bc in ?? () from /lib/x86_64-linux-gnu/libc.so.6

Thread 32 (Thread 0x7f852adfe6c0 (LWP 3186)):
#0  0x00007f8594f1afff in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f8593d8b9ae in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8593d8bacc in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8595309836 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f85952b017b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f85950cab87 in QThread::exec() () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f8596f566d6 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f85950cbd43 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f8594ea7fd4 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#9  0x00007f8594f285bc in ?? () from /lib/x86_64-linux-gnu/libc.so.6

Thread 31 (Thread 0x7f8529e136c0 (LWP 3193)):
#0  0x00007f8594f1d8e1 in pselect () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f8592f3fa62 in ?? () from /lib/x86_64-linux-gnu/libusbmuxd-2.0.so.6
#2  0x00007f8592f40e60 in ?? () from /lib/x86_64-linux-gnu/libusbmuxd-2.0.so.6
#3  0x00007f8594ea7fd4 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#4  0x00007f8594f285bc in ?? () from /lib/x86_64-linux-gnu/libc.so.6

Thread 30 (Thread 0x7f850ee586c0 (LWP 3206)):
#0  0x00007f8594ea4d36 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f8594ea73f8 in pthread_cond_wait () from
/lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f858c90c059 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#3  0x00007f858c8be17b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f858c90bf97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f8594ea7fd4 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x00007f8594f285bc in ?? () from /lib/x86_64-linux-gnu/libc.so.6

Thread 29 (Thread 0x7f850e6466c0 (LWP 3207)):
#0  0x00007f8594ea4d36 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f8594ea73f8 in pthread_cond_wait () from
/lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f85950d1a2b in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f8597008085 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f859700a4b1 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f85950cbd43 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f8594ea7fd4 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x00007f8594f285bc in ?? () from /lib/x86_64-linux-gnu/libc.so.6

Thread 28 (Thread 0x7f852bfff6c0 (LWP 3184)):
#0  0x00007f8594ea4d36 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f8594ea73f8 in pthread_cond_wait () from
/lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f85950d1a2b in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f8597008085 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f859700a4b1 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f85950cbd43 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f8594ea7fd4 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x00007f8594f285bc in ?? () from /lib/x86_64-linux-gnu/libc.so.6

Thread 27 (Thread 0x7f84df7fe6c0 (LWP 3623)):
[KCrash Handler]
#4  0x00007f8596fc1f5a in
QSGOpaqueTextureMaterialShader::updateState(QSGMaterialShader::RenderState
const&, QSGMaterial*, QSGMaterial*) () from
/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f8596faa80d in
QSGBatchRenderer::Renderer::renderMergedBatch(QSGBatchRenderer::Batch const*)
() from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f8596fafa55 in QSGBatchRenderer::Renderer::renderBatches() () from
/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f8596fb05b6 in QSGBatchRenderer::Renderer::render() () from
/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007f8596f97f00 in QSGRenderer::renderScene(QSGBindable const&) () from
/lib/x86_64-linux-gnu/libQt5Quick.so.5
#9  0x00007f8596f983b3 in QSGRenderer::renderScene(unsigned int) () from
/lib/x86_64-linux-gnu/libQt5Quick.so.5
#10 0x00007f8596ffb663 in
QSGDefaultRenderContext::renderNextFrame(QSGRenderer*, unsigned int) () from
/lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007f8597068139 in QQuickWindowPrivate::renderSceneGraph(QSize const&,
QSize const&) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#12 0x00007f8597009597 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#13 0x00007f859700a46f in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#14 0x00007f85950cbd43 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f8594ea7fd4 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#16 0x00007f8594f285bc in ?? () from /lib/x86_64-linux-gnu/libc.so.6

Thread 26 (Thread 0x7f84dffff6c0 (LWP 3622)):
#0  0x00007f8594ea4d36 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f8594ea73f8 in pthread_cond_wait () from
/lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f858c90c059 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#3  0x00007f858c8be17b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f858c90bf97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f8594ea7fd4 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x00007f8594f285bc in ?? () from /lib/x86_64-linux-gnu/libc.so.6

Thread 25 (Thread 0x7f84fdc9d6c0 (LWP 3619)):
#0  0x00007f8594ea4d36 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f8594ea76dc in pthread_cond_timedwait () from
/lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f85950d19bc in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f85950cf0a5 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f85950cbd43 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f8594ea7fd4 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x00007f8594f285bc in ?? () from /lib/x86_64-linux-gnu/libc.so.6

Thread 24 (Thread 0x7f8559bfe6c0 (LWP 3183)):
#0  0x00007f8594ea4d36 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f8594ea73f8 in pthread_cond_wait () from
/lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f858c90c059 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#3  0x00007f858c8be17b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f858c90bf97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f8594ea7fd4 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x00007f8594f285bc in ?? () from /lib/x86_64-linux-gnu/libc.so.6

Thread 23 (Thread 0x7f84fffff6c0 (LWP 3616)):
#0  0x00007f8594ea4d36 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f8594ea76dc in pthread_cond_timedwait () from
/lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f85950d19bc in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f85950cf0a5 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f85950cbd43 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f8594ea7fd4 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x00007f8594f285bc in ?? () from /lib/x86_64-linux-gnu/libc.so.6

Thread 22 (Thread 0x7f855b7fe6c0 (LWP 3164)):
#0  0x00007f8594ea4d36 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f8594ea73f8 in pthread_cond_wait () from
/lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f858c90c059 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#3  0x00007f858c8be17b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f858c90bf97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f8594ea7fd4 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x00007f8594f285bc in ?? () from /lib/x86_64-linux-gnu/libc.so.6

Thread 21 (Thread 0x7f84fcc9b6c0 (LWP 3621)):
#0  0x00007f8594ea4d36 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f8594ea76dc in pthread_cond_timedwait () from
/lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f85950d19bc in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f85950cf0a5 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f85950cbd43 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f8594ea7fd4 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x00007f8594f285bc in ?? () from /lib/x86_64-linux-gnu/libc.so.6

Thread 20 (Thread 0x7f84fe49e6c0 (LWP 3618)):
#0  0x00007f8594ea4d36 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f8594ea76dc in pthread_cond_timedwait () from
/lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f85950d19bc in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f85950cf0a5 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f85950cbd43 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f8594ea7fd4 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x00007f8594f285bc in ?? () from /lib/x86_64-linux-gnu/libc.so.6

Thread 19 (Thread 0x7f84deffd6c0 (LWP 3968)):
#0  0x00007f8594ea4d36 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f8594ea73f8 in pthread_cond_wait () from
/lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f858c90c059 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#3  0x00007f858c8be17b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f858c90bf97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f8594ea7fd4 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x00007f8594f285bc in ?? () from /lib/x86_64-linux-gnu/libc.so.6

Thread 18 (Thread 0x7f84fec9f6c0 (LWP 3617)):
#0  0x00007f8594ea4d36 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f8594ea76dc in pthread_cond_timedwait () from
/lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f85950d19bc in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f85950cf0a5 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f85950cbd43 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f8594ea7fd4 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x00007f8594f285bc in ?? () from /lib/x86_64-linux-gnu/libc.so.6

Thread 17 (Thread 0x7f84fd49c6c0 (LWP 3620)):
#0  0x00007f8594ea4d36 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f8594ea76dc in pthread_cond_timedwait () from
/lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f85950d19bc in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f85950cf0a5 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f85950cbd43 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f8594ea7fd4 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x00007f8594f285bc in ?? () from /lib/x86_64-linux-gnu/libc.so.6

Thread 16 (Thread 0x7f855a3ff6c0 (LWP 3169)):
#0  0x00007f8594f1afff in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f8593d8b9ae in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8593d8bacc in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8595309836 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f85952b017b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f85950cab87 in QThread::exec() () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f8596b28555 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f85950cbd43 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f8594ea7fd4 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#9  0x00007f8594f285bc in ?? () from /lib/x86_64-linux-gnu/libc.so.6

Thread 15 (Thread 0x7f85617fa6c0 (LWP 3156)):
#0  0x00007f8594ea4d36 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f8594ea73f8 in pthread_cond_wait () from
/lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f858c90c059 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#3  0x00007f858c8be17b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f858c90bf97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f8594ea7fd4 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x00007f8594f285bc in ?? () from /lib/x86_64-linux-gnu/libc.so.6

Thread 14 (Thread 0x7f855bfff6c0 (LWP 3158)):
#0  0x00007f8594ea4d36 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f8594ea73f8 in pthread_cond_wait () from
/lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f858c90c059 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#3  0x00007f858c8be17b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f858c90bf97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f8594ea7fd4 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x00007f8594f285bc in ?? () from /lib/x86_64-linux-gnu/libc.so.6

Thread 13 (Thread 0x7f8561ffb6c0 (LWP 3155)):
#0  0x00007f8594ea4d36 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f8594ea73f8 in pthread_cond_wait () from
/lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f858c90c059 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#3  0x00007f858c8be17b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f858c90bf97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f8594ea7fd4 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x00007f8594f285bc in ?? () from /lib/x86_64-linux-gnu/libc.so.6

Thread 12 (Thread 0x7f8560ff96c0 (LWP 3157)):
#0  0x00007f8594ea4d36 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f8594ea73f8 in pthread_cond_wait () from
/lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f858c90c059 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#3  0x00007f858c8be17b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f858c90bf97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f8594ea7fd4 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x00007f8594f285bc in ?? () from /lib/x86_64-linux-gnu/libc.so.6

Thread 11 (Thread 0x7f8563fff6c0 (LWP 3151)):
#0  0x00007f8594ea4d36 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f8594ea73f8 in pthread_cond_wait () from
/lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f858c90c059 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#3  0x00007f858c8be17b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f858c90bf97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f8594ea7fd4 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x00007f8594f285bc in ?? () from /lib/x86_64-linux-gnu/libc.so.6

Thread 10 (Thread 0x7f85637fe6c0 (LWP 3152)):
#0  0x00007f8594ea4d36 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f8594ea73f8 in pthread_cond_wait () from
/lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f858c90c059 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#3  0x00007f858c8be17b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f858c90bf97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f8594ea7fd4 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x00007f8594f285bc in ?? () from /lib/x86_64-linux-gnu/libc.so.6

Thread 9 (Thread 0x7f85627fc6c0 (LWP 3154)):
#0  0x00007f8594ea4d36 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f8594ea73f8 in pthread_cond_wait () from
/lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f858c90c059 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#3  0x00007f858c8be17b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f858c90bf97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f8594ea7fd4 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x00007f8594f285bc in ?? () from /lib/x86_64-linux-gnu/libc.so.6

Thread 8 (Thread 0x7f8562ffd6c0 (LWP 3153)):
#0  0x00007f8594ea4d36 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f8594ea73f8 in pthread_cond_wait () from
/lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f858c90c059 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#3  0x00007f858c8be17b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f858c90bf97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f8594ea7fd4 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x00007f8594f285bc in ?? () from /lib/x86_64-linux-gnu/libc.so.6

Thread 7 (Thread 0x7f8578dff6c0 (LWP 3150)):
#0  0x00007f8594ea4d36 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f8594ea73f8 in pthread_cond_wait () from
/lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f858c90c059 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#3  0x00007f858c8be17b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f858c90bf97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f8594ea7fd4 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x00007f8594f285bc in ?? () from /lib/x86_64-linux-gnu/libc.so.6

Thread 6 (Thread 0x7f8584ffc6c0 (LWP 3149)):
#0  0x00007f8594ea4d36 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f8594ea73f8 in pthread_cond_wait () from
/lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f858c90c059 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#3  0x00007f858c8be17b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f858c90bf97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f8594ea7fd4 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x00007f8594f285bc in ?? () from /lib/x86_64-linux-gnu/libc.so.6

Thread 5 (Thread 0x7f858f3696c0 (LWP 3145)):
#0  0x00007f8594f1afff in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f8593d8b9ae in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8593d8bacc in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f859530984e in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f85952b017b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f85950cab87 in QThread::exec() () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f8595ebc487 in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f85950cbd43 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f8594ea7fd4 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#9  0x00007f8594f285bc in ?? () from /lib/x86_64-linux-gnu/libc.so.6

Thread 4 (Thread 0x7f85857fd6c0 (LWP 3148)):
#0  0x00007f8594ea4d36 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f8594ea73f8 in pthread_cond_wait () from
/lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f858c90c059 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#3  0x00007f858c8be17b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f858c90bf97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f8594ea7fd4 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x00007f8594f285bc in ?? () from /lib/x86_64-linux-gnu/libc.so.6

Thread 3 (Thread 0x7f8585ffe6c0 (LWP 3147)):
#0  0x00007f8594ea4d36 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f8594ea73f8 in pthread_cond_wait () from
/lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f858c90c059 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#3  0x00007f858c8be17b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f858c90bf97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f8594ea7fd4 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x00007f8594f285bc in ?? () from /lib/x86_64-linux-gnu/libc.so.6

Thread 2 (Thread 0x7f85867ff6c0 (LWP 3146)):
#0  0x00007f8594ea4d36 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f8594ea73f8 in pthread_cond_wait () from
/lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f858c90c059 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#3  0x00007f858c8be17b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f858c90bf97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f8594ea7fd4 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x00007f8594f285bc in ?? () from /lib/x86_64-linux-gnu/libc.so.6

Thread 1 (Thread 0x7f85906f2500 (LWP 3142)):
[KCrash Handler]
#4  0x00007f8594ea9ccc in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#5  0x00007f8594e5aef2 in raise () from /lib/x86_64-linux-gnu/libc.so.6
#6  <signal handler called>
#7  0x00007f8594ea4d34 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#8  0x00007f8594ea73f8 in pthread_cond_wait () from
/lib/x86_64-linux-gnu/libc.so.6
#9  0x00007f85950d1a2b in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f859700bd58 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007f859700d013 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#12 0x00007f85957493f5 in QWindow::event(QEvent*) () from
/lib/x86_64-linux-gnu/libQt5Gui.so.5
#13 0x00007f85840dd055 in ?? () from
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/core/libcorebindingsplugin.so
#14 0x00007f8596162fae in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#15 0x00007f85952b16f8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007f859573e5cd in
QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*)
() from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#17 0x00007f8595711cac in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#18 0x00007f85905c6eca in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#19 0x00007f8593d8b7a9 in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f8593d8ba38 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f8593d8bacc in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f8595309836 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007f85952b017b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007f85952b82d6 in QCoreApplication::exec() () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x000055c329c87dc3 in ?? ()
#26 0x00007f8594e4618a in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#27 0x00007f8594e46245 in __libc_start_main () from
/lib/x86_64-linux-gnu/libc.so.6
#28 0x000055c329c87ee1 in ?? ()

Reported using DrKonqi

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