https://bugs.kde.org/show_bug.cgi?id=494968

            Bug ID: 494968
           Summary: can't open desktop of wayland session
    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: jiakai...@hotmail.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 6.1.0-26-amd64 x86_64
Windowing System: X11
Distribution: Debian GNU/Linux 12 (bookworm)
DrKonqi: 5.27.5 [CoredumpBackend]

-- Information about the crash:
nothing,  just reboot. I3 and Plasma is both installed.  reboot and select
Plasma with Wayland, cannot prepare and show desktop.

The crash can be reproduced sometimes.

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

           PID: 2177 (plasmashell)
           UID: 1000 (leslie)
           GID: 1000 (leslie)
        Signal: 11 (SEGV)
     Timestamp: Fri 2024-10-18 11:47:12 CST (45s 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 (leslie)
       Boot ID: a100401f89ca4ec98c635971881ce269
    Machine ID: 42c3c8fabaa742b89e3458416652dfba
      Hostname: leslie
       Storage:
/var/lib/systemd/coredump/core.plasmashell.1000.a100401f89ca4ec98c635971881ce269.2177.1729223232000000.zst
(present)
  Size on Disk: 15.0M
       Message: Process 2177 (plasmashell) of user 1000 dumped core.

                Module libsystemd.so.0 from deb systemd-252.30-1~deb12u2.amd64
                Module libudev.so.1 from deb systemd-252.30-1~deb12u2.amd64
                Stack trace of thread 2183:
                #0  0x00007fb0e1ca9e3c __pthread_kill_implementation (libc.so.6
+ 0x8ae3c)
                #1  0x00007fb0e1c5afb2 __GI_raise (libc.so.6 + 0x3bfb2)
                #2  0x00007fb0e4320b46 _ZN6KCrash19defaultCrashHandlerEi
(libKF5Crash.so.5 + 0x5b46)
                #3  0x00007fb0e1c5b050 __restore_rt (libc.so.6 + 0x3c050)
                #4  0x00007fb0e1ca9e3c __pthread_kill_implementation (libc.so.6
+ 0x8ae3c)
                #5  0x00007fb0e1c5afb2 __GI_raise (libc.so.6 + 0x3bfb2)
                #6  0x00007fb0e1c5b050 __restore_rt (libc.so.6 + 0x3c050)
                #7  0x00007fb0e1d1b15f __GI___poll (libc.so.6 + 0xfc15f)
                #8  0x00007fb0e0b4b9ae n/a (libglib-2.0.so.0 + 0x549ae)
                #9  0x00007fb0e0b4bacc g_main_context_iteration
(libglib-2.0.so.0 + 0x54acc)
                #10 0x00007fb0e2109876
_ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE
(libQt5Core.so.5 + 0x309876)
                #11 0x00007fb0e20b01bb
_ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 +
0x2b01bb)
                #12 0x00007fb0e1ecabc7 _ZN7QThread4execEv (libQt5Core.so.5 +
0xcabc7)
                #13 0x00007fb0e2cbc487 n/a (libQt5DBus.so.5 + 0x17487)
                #14 0x00007fb0e1ecbd83 n/a (libQt5Core.so.5 + 0xcbd83)
                #15 0x00007fb0e1ca8144 start_thread (libc.so.6 + 0x89144)
                #16 0x00007fb0e1d287dc __clone3 (libc.so.6 + 0x1097dc)

                Stack trace of thread 2177:
                #0  0x00007fb0e1d1b15f __GI___poll (libc.so.6 + 0xfc15f)
                #1  0x00007fb0e4581d12 n/a (libxcb.so.1 + 0xcd12)
                #2  0x00007fb0e4582801 n/a (libxcb.so.1 + 0xd801)
                #3  0x00007fb0e4583e25 n/a (libxcb.so.1 + 0xee25)
                #4  0x00007fb0e4583ea1 xcb_wait_for_reply (libxcb.so.1 +
0xeea1)
                #5  0x00005577efc5162a n/a (plasmashell + 0x3c62a)
                #6  0x00005577efc51d7f n/a (plasmashell + 0x3cd7f)
                #7  0x00007fb0e20e8f8f n/a (libQt5Core.so.5 + 0x2e8f8f)
                #8  0x00007fb0e44d78f1
_ZN6Plasma6Applet13statusChangedENS_5Types10ItemStatusE (libKF5Plasma.so.5 +
0x368f1)
                #9  0x00007fb0e20e8fbc n/a (libQt5Core.so.5 + 0x2e8fbc)
                #10 0x00007fb0e44d78f1
_ZN6Plasma6Applet13statusChangedENS_5Types10ItemStatusE (libKF5Plasma.so.5 +
0x368f1)
                #11 0x00007fb0e38eacf1 n/a (libQt5Qml.so.5 + 0x2eacf1)
                #12 0x00007fb0e38eb93e n/a (libQt5Qml.so.5 + 0x2eb93e)
                #13 0x00007fb0e38e9354
_ZN11QQmlBinding6updateE6QFlagsIN16QQmlPropertyData9WriteFlagEE (libQt5Qml.so.5
+ 0x2e9354)
                #14 0x00007fb0e38f6872
_ZN17QQmlObjectCreator8finalizeER26QQmlInstantiationInterrupt (libQt5Qml.so.5 +
0x2f6872)
                #15 0x00007fb0e388d162
_ZN20QQmlIncubatorPrivate8incubateER26QQmlInstantiationInterrupt
(libQt5Qml.so.5 + 0x28d162)
                #16 0x00007fb0e388d5fd
_ZN17QQmlEnginePrivate8incubateER13QQmlIncubatorP15QQmlContextData
(libQt5Qml.so.5 + 0x28d5fd)
                #17 0x00007fb0e3886ed4
_ZN13QQmlComponent6createER13QQmlIncubatorP11QQmlContextS3_ (libQt5Qml.so.5 +
0x286ed4)
                #18 0x00007fb0e4439a6b
_ZN12KDeclarative9QmlObject22completeInitializationERK5QHashI7QString8QVariantE
(libKF5Declarative.so.5 + 0xba6b)
                #19 0x00007fb0e47a5260 _ZN11PlasmaQuick15AppletQuickItem4initEv
(libKF5PlasmaQuick.so.5 + 0x22260)
                #20 0x00007fb0d426029c n/a (plasma_appletscript_declarative.so
+ 0x1929c)
                #21 0x00007fb0e47a6aa1
_ZN11PlasmaQuick15AppletQuickItem10itemChangeEN10QQuickItem10ItemChangeERKNS1_14ItemChangeDataE
(libKF5PlasmaQuick.so.5 + 0x23aa1)
                #22 0x00007fb0e3e55bed
_ZN17QQuickItemPrivate9refWindowEP12QQuickWindow (libQt5Quick.so.5 + 0x255bed)
                #23 0x00007fb0e3e55baa
_ZN17QQuickItemPrivate9refWindowEP12QQuickWindow (libQt5Quick.so.5 + 0x255baa)
                #24 0x00007fb0e3e55fc4 _ZN10QQuickItem13setParentItemEPS_
(libQt5Quick.so.5 + 0x255fc4)
                #25 0x00007fb0e47b3d71 n/a (libKF5PlasmaQuick.so.5 + 0x30d71)
                #26 0x00005577efc68fe6 n/a (plasmashell + 0x53fe6)
                #27 0x00007fb0e20e8f8f n/a (libQt5Core.so.5 + 0x2e8f8f)
                #28 0x00007fb0e20ecdaa _ZN6QTimer7timeoutENS_14QPrivateSignalE
(libQt5Core.so.5 + 0x2ecdaa)
                #29 0x00007fb0e20dd54d _ZN7QObject5eventEP6QEvent
(libQt5Core.so.5 + 0x2dd54d)
                #30 0x00007fb0e2f62fae
_ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent (libQt5Widgets.so.5 +
0x162fae)
                #31 0x00007fb0e20b1738
_ZN16QCoreApplication15notifyInternal2EP7QObjectP6QEvent (libQt5Core.so.5 +
0x2b1738)
                #32 0x00007fb0e2108c71 _ZN14QTimerInfoList14activateTimersEv
(libQt5Core.so.5 + 0x308c71)
                #33 0x00007fb0e210953c n/a (libQt5Core.so.5 + 0x30953c)
                #34 0x00007fb0e0b4b7a9 g_main_context_dispatch
(libglib-2.0.so.0 + 0x547a9)
                #35 0x00007fb0e0b4ba38 n/a (libglib-2.0.so.0 + 0x54a38)
                #36 0x00007fb0e0b4bacc g_main_context_iteration
(libglib-2.0.so.0 + 0x54acc)
                #37 0x00007fb0e2109876
_ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE
(libQt5Core.so.5 + 0x309876)
                #38 0x00007fb0e20b01bb
_ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 +
0x2b01bb)
                #39 0x00007fb0e20b8316 _ZN16QCoreApplication4execEv
(libQt5Core.so.5 + 0x2b8316)
                #40 0x00005577efc3bdc3 n/a (plasmashell + 0x26dc3)
                #41 0x00007fb0e1c4624a __libc_start_call_main (libc.so.6 +
0x2724a)
                #42 0x00007fb0e1c46305 __libc_start_main_impl (libc.so.6 +
0x27305)
                #43 0x00005577efc3bee1 n/a (plasmashell + 0x26ee1)

                Stack trace of thread 2288:
                #0  0x00007fb0e1d1b15f __GI___poll (libc.so.6 + 0xfc15f)
                #1  0x00007fb0e0b4b9ae n/a (libglib-2.0.so.0 + 0x549ae)
                #2  0x00007fb0e0b4bacc g_main_context_iteration
(libglib-2.0.so.0 + 0x54acc)
                #3  0x00007fb0e210988e
_ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE
(libQt5Core.so.5 + 0x30988e)
                #4  0x00007fb0e20b01bb
_ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 +
0x2b01bb)
                #5  0x00007fb0e1ecabc7 _ZN7QThread4execEv (libQt5Core.so.5 +
0xcabc7)
                #6  0x00007fb0e3928555 n/a (libQt5Qml.so.5 + 0x328555)
                #7  0x00007fb0e1ecbd83 n/a (libQt5Core.so.5 + 0xcbd83)
                #8  0x00007fb0e1ca8144 start_thread (libc.so.6 + 0x89144)
                #9  0x00007fb0e1d287dc __clone3 (libc.so.6 + 0x1097dc)

                Stack trace of thread 2504:
                #0  0x00007fb0d5af88b0 n/a (libnvidia-glcore.so.535.183.01 +
0x14f88b0)
                #1  0x00007fb0d5b2ad1a n/a (libnvidia-glcore.so.535.183.01 +
0x152ad1a)
                #2  0x00007fb0d5b2b62a n/a (libnvidia-glcore.so.535.183.01 +
0x152b62a)
                #3  0x00007fb0d5b13784 n/a (libnvidia-glcore.so.535.183.01 +
0x1513784)
                #4  0x00007fb0e1ca8144 start_thread (libc.so.6 + 0x89144)
                #5  0x00007fb0e1d287dc __clone3 (libc.so.6 + 0x1097dc)

                Stack trace of thread 2490:
                #0  0x00007fb0e1d1b15f __GI___poll (libc.so.6 + 0xfc15f)
                #1  0x00007fb0e0b4b9ae n/a (libglib-2.0.so.0 + 0x549ae)
                #2  0x00007fb0e0b4bacc g_main_context_iteration
(libglib-2.0.so.0 + 0x54acc)
                #3  0x00007fb0e210988e
_ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE
(libQt5Core.so.5 + 0x30988e)
                #4  0x00007fb0e20b01bb
_ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 +
0x2b01bb)
                #5  0x00007fb0e1ecabc7 _ZN7QThread4execEv (libQt5Core.so.5 +
0xcabc7)
                #6  0x00007fb0e3d566d6 n/a (libQt5Quick.so.5 + 0x1566d6)
                #7  0x00007fb0e1ecbd83 n/a (libQt5Core.so.5 + 0xcbd83)
                #8  0x00007fb0e1ca8144 start_thread (libc.so.6 + 0x89144)
                #9  0x00007fb0e1d287dc __clone3 (libc.so.6 + 0x1097dc)

                Stack trace of thread 2503:
                #0  0x00007fb0e1ca4e96 __futex_abstimed_wait_common64
(libc.so.6 + 0x85e96)
                #1  0x00007fb0e1ca7558 __pthread_cond_wait_common (libc.so.6 +
0x88558)
                #2  0x00007fb0e1ed1a6b
_ZN14QWaitCondition4waitEP6QMutex14QDeadlineTimer (libQt5Core.so.5 + 0xd1a6b)
                #3  0x00007fb0e3e08085 n/a (libQt5Quick.so.5 + 0x208085)
                #4  0x00007fb0e3e0a4b1 n/a (libQt5Quick.so.5 + 0x20a4b1)
                #5  0x00007fb0e1ecbd83 n/a (libQt5Core.so.5 + 0xcbd83)
                #6  0x00007fb0e1ca8144 start_thread (libc.so.6 + 0x89144)
                #7  0x00007fb0e1d287dc __clone3 (libc.so.6 + 0x1097dc)

                Stack trace of thread 2491:
                #0  0x00007fb0e1ca4e96 __futex_abstimed_wait_common64
(libc.so.6 + 0x85e96)
                #1  0x00007fb0e1ca783c __pthread_cond_wait_common (libc.so.6 +
0x8883c)
                #2  0x00007fb0e1ed19fc
_ZN14QWaitCondition4waitEP6QMutex14QDeadlineTimer (libQt5Core.so.5 + 0xd19fc)
                #3  0x00007fb0e1ecf0e5 n/a (libQt5Core.so.5 + 0xcf0e5)
                #4  0x00007fb0e1ecbd83 n/a (libQt5Core.so.5 + 0xcbd83)
                #5  0x00007fb0e1ca8144 start_thread (libc.so.6 + 0x89144)
                #6  0x00007fb0e1d287dc __clone3 (libc.so.6 + 0x1097dc)

                Stack trace of thread 2182:
                #0  0x00007fb0e1d1b15f __GI___poll (libc.so.6 + 0xfc15f)
                #1  0x00007fb0e4581d12 n/a (libxcb.so.1 + 0xcd12)
                #2  0x00007fb0e458407a xcb_wait_for_event (libxcb.so.1 +
0xf07a)
                #3  0x00007fb0dd360f00 n/a (libQt5XcbQpa.so.5 + 0x6cf00)
                #4  0x00007fb0e1ecbd83 n/a (libQt5Core.so.5 + 0xcbd83)
                #5  0x00007fb0e1ca8144 start_thread (libc.so.6 + 0x89144)
                #6  0x00007fb0e1d287dc __clone3 (libc.so.6 + 0x1097dc)

                Stack trace of thread 2602:
                #0  0x00007fb0e1d1b15f __GI___poll (libc.so.6 + 0xfc15f)
                #1  0x00007fb0e4320150 n/a (libKF5Crash.so.5 + 0x5150)
                #2  0x00007fb0e4320ad6 _ZN6KCrash19defaultCrashHandlerEi
(libKF5Crash.so.5 + 0x5ad6)
                #3  0x00007fb0e1c5b050 __restore_rt (libc.so.6 + 0x3c050)
                #4  0x00007fb0b355fb0e n/a (libKF5ActivitiesStats.so.1 +
0x27b0e)
                #5  0x00007fb0e1ad44a3 n/a (libstdc++.so.6 + 0xd44a3)
                #6  0x00007fb0e1ca8144 start_thread (libc.so.6 + 0x89144)
                #7  0x00007fb0e1d287dc __clone3 (libc.so.6 + 0x1097dc)

                Stack trace of thread 2601:
                #0  0x00007fb0e1d1da41 pselect64_syscall (libc.so.6 + 0xfea41)
                #1  0x00007fb0dfcf6a62 n/a (libusbmuxd-2.0.so.6 + 0x2a62)
                #2  0x00007fb0dfcf7e60 n/a (libusbmuxd-2.0.so.6 + 0x3e60)
                #3  0x00007fb0e1ca8144 start_thread (libc.so.6 + 0x89144)
                #4  0x00007fb0e1d287dc __clone3 (libc.so.6 + 0x1097dc)
                ELF object binary architecture: AMD x86-64

[New LWP 2183]
[New LWP 2177]
[New LWP 2288]
[New LWP 2504]
[New LWP 2490]
[New LWP 2503]
[New LWP 2491]
[New LWP 2182]
[New LWP 2602]
[New LWP 2601]
[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  __pthread_kill_implementation (threadid=<optimized out>,
signo=signo@entry=11, no_tid=no_tid@entry=0) at ./nptl/pthread_kill.c:44
[Current thread is 1 (Thread 0x7fb0d7fff6c0 (LWP 2183))]
[Current thread is 1 (Thread 0x7fb0d7fff6c0 (LWP 2183))]

Thread 10 (Thread 0x7fb0b25af6c0 (LWP 2601)):
#0  pselect64_syscall (sigmask=<optimized out>, timeout=<optimized out>,
exceptfds=0x0, writefds=0x0, readfds=0x7fb0b25a6ad0, nfds=5) at
../sysdeps/unix/sysv/linux/pselect.c:34
#1  __pselect (nfds=5, readfds=0x7fb0b25a6ad0, writefds=0x0, exceptfds=0x0,
timeout=<optimized out>, sigmask=<optimized out>) at
../sysdeps/unix/sysv/linux/pselect.c:56
#2  0x00007fb0dfcf6a62 in  () at /lib/x86_64-linux-gnu/libusbmuxd-2.0.so.6
#3  0x00007fb0dfcf7e60 in  () at /lib/x86_64-linux-gnu/libusbmuxd-2.0.so.6
#4  0x00007fb0e1ca8144 in start_thread (arg=<optimized out>) at
./nptl/pthread_create.c:442
#5  0x00007fb0e1d287dc in clone3 () at
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 9 (Thread 0x7fb0b1c106c0 (LWP 2602)):
[KCrash Handler]
#4  0x00007fb0b355fb0e in  () at
/lib/x86_64-linux-gnu/libKF5ActivitiesStats.so.1
#5  0x00007fb0e1ad44a3 in  () at /lib/x86_64-linux-gnu/libstdc++.so.6
#6  0x00007fb0e1ca8144 in start_thread (arg=<optimized out>) at
./nptl/pthread_create.c:442
#7  0x00007fb0e1d287dc in clone3 () at
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 8 (Thread 0x7fb0dcbff6c0 (LWP 2182)):
#0  0x00007fb0e1d1b15f in __GI___poll (fds=0x7fb0dcbfeac8, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fb0e4581d12 in  () at /lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fb0e458407a in xcb_wait_for_event () at
/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fb0dd360f00 in  () at /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007fb0e1ecbd83 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fb0e1ca8144 in start_thread (arg=<optimized out>) at
./nptl/pthread_create.c:442
#6  0x00007fb0e1d287dc in clone3 () at
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 7 (Thread 0x7fb0c165c6c0 (LWP 2491)):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true,
abstime=0x7fb0c165bb30, op=137, expected=0, futex_word=0x7fb0bc005320) at
./nptl/futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x7fb0bc005320,
expected=expected@entry=0, clockid=clockid@entry=1,
abstime=abstime@entry=0x7fb0c165bb30, private=private@entry=0,
cancel=cancel@entry=true) at ./nptl/futex-internal.c:87
#2  0x00007fb0e1ca4efb in __GI___futex_abstimed_wait_cancelable64
(futex_word=futex_word@entry=0x7fb0bc005320, expected=expected@entry=0,
clockid=clockid@entry=1, abstime=abstime@entry=0x7fb0c165bb30,
private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x00007fb0e1ca783c in __pthread_cond_wait_common (abstime=0x7fb0c165bb30,
clockid=1, mutex=0x7fb0bc0052d0, cond=0x7fb0bc0052f8) at
./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_timedwait64 (cond=0x7fb0bc0052f8, mutex=0x7fb0bc0052d0,
abstime=0x7fb0c165bb30) at ./nptl/pthread_cond_wait.c:643
#5  0x00007fb0e1ed19fc in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fb0e1ecf0e5 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fb0e1ecbd83 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fb0e1ca8144 in start_thread (arg=<optimized out>) at
./nptl/pthread_create.c:442
#9  0x00007fb0e1d287dc in clone3 () at
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 6 (Thread 0x7fb0c0e586c0 (LWP 2503)):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0,
op=393, expected=0, futex_word=0x557811b4e784) at ./nptl/futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x557811b4e784,
expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0,
private=private@entry=0, cancel=cancel@entry=true) at
./nptl/futex-internal.c:87
#2  0x00007fb0e1ca4efb in __GI___futex_abstimed_wait_cancelable64
(futex_word=futex_word@entry=0x557811b4e784, expected=expected@entry=0,
clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at
./nptl/futex-internal.c:139
#3  0x00007fb0e1ca7558 in __pthread_cond_wait_common (abstime=0x0, clockid=0,
mutex=0x557811b4e730, cond=0x557811b4e758) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x557811b4e758, mutex=0x557811b4e730) at
./nptl/pthread_cond_wait.c:618
#5  0x00007fb0e1ed1a6b in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fb0e3e08085 in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007fb0e3e0a4b1 in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007fb0e1ecbd83 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fb0e1ca8144 in start_thread (arg=<optimized out>) at
./nptl/pthread_create.c:442
#10 0x00007fb0e1d287dc in clone3 () at
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 5 (Thread 0x7fb0c1e5d6c0 (LWP 2490)):
#0  0x00007fb0e1d1b15f in __GI___poll (fds=0x7fb0bc0056f0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fb0e0b4b9ae in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb0e0b4bacc in g_main_context_iteration () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb0e210988e in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fb0e20b01bb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fb0e1ecabc7 in QThread::exec() () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fb0e3d566d6 in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007fb0e1ecbd83 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fb0e1ca8144 in start_thread (arg=<optimized out>) at
./nptl/pthread_create.c:442
#9  0x00007fb0e1d287dc in clone3 () at
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 4 (Thread 0x7fb0b3fff6c0 (LWP 2504)):
#0  0x00007fb0d5af88b0 in  () at
/lib/x86_64-linux-gnu/libnvidia-glcore.so.535.183.01
#1  0x00007fb0d5b2ad1a in  () at
/lib/x86_64-linux-gnu/libnvidia-glcore.so.535.183.01
#2  0x00007fb0d5b2b62a in  () at
/lib/x86_64-linux-gnu/libnvidia-glcore.so.535.183.01
#3  0x00007fb0d5b13784 in  () at
/lib/x86_64-linux-gnu/libnvidia-glcore.so.535.183.01
#4  0x00007fb0e1ca8144 in start_thread (arg=<optimized out>) at
./nptl/pthread_create.c:442
#5  0x00007fb0e1d287dc in clone3 () at
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 3 (Thread 0x7fb0cc9ff6c0 (LWP 2288)):
#0  0x00007fb0e1d1b15f in __GI___poll (fds=0x7fb0c80025e0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fb0e0b4b9ae in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb0e0b4bacc in g_main_context_iteration () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb0e210988e in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fb0e20b01bb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fb0e1ecabc7 in QThread::exec() () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fb0e3928555 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fb0e1ecbd83 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fb0e1ca8144 in start_thread (arg=<optimized out>) at
./nptl/pthread_create.c:442
#9  0x00007fb0e1d287dc in clone3 () at
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 2 (Thread 0x7fb0df3da9c0 (LWP 2177)):
#0  0x00007fb0e1d1b15f in __GI___poll (fds=0x7fffa4eaaa08, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fb0e4581d12 in  () at /lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fb0e4582801 in  () at /lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fb0e4583e25 in  () at /lib/x86_64-linux-gnu/libxcb.so.1
#4  0x00007fb0e4583ea1 in xcb_wait_for_reply () at
/lib/x86_64-linux-gnu/libxcb.so.1
#5  0x00005577efc5162a in  ()
#6  0x00005577efc51d7f in  ()
#7  0x00007fb0e20e8f8f in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fb0e44d78f1 in
Plasma::Applet::statusChanged(Plasma::Types::ItemStatus) () at
/lib/x86_64-linux-gnu/libKF5Plasma.so.5
#9  0x00007fb0e20e8fbc in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fb0e44d78f1 in
Plasma::Applet::statusChanged(Plasma::Types::ItemStatus) () at
/lib/x86_64-linux-gnu/libKF5Plasma.so.5
#11 0x00007fb0e38eacf1 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#12 0x00007fb0e38eb93e in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#13 0x00007fb0e38e9354 in
QQmlBinding::update(QFlags<QQmlPropertyData::WriteFlag>) () at
/lib/x86_64-linux-gnu/libQt5Qml.so.5
#14 0x00007fb0e38f6872 in
QQmlObjectCreator::finalize(QQmlInstantiationInterrupt&) () at
/lib/x86_64-linux-gnu/libQt5Qml.so.5
#15 0x00007fb0e388d162 in
QQmlIncubatorPrivate::incubate(QQmlInstantiationInterrupt&) () at
/lib/x86_64-linux-gnu/libQt5Qml.so.5
#16 0x00007fb0e388d5fd in QQmlEnginePrivate::incubate(QQmlIncubator&,
QQmlContextData*) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#17 0x00007fb0e3886ed4 in QQmlComponent::create(QQmlIncubator&, QQmlContext*,
QQmlContext*) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#18 0x00007fb0e4439a6b in
KDeclarative::QmlObject::completeInitialization(QHash<QString, QVariant>
const&) () at /lib/x86_64-linux-gnu/libKF5Declarative.so.5
#19 0x00007fb0e47a5260 in PlasmaQuick::AppletQuickItem::init() () at
/lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#20 0x00007fb0d426029c in  () at
/usr/lib/x86_64-linux-gnu/qt5/plugins/plasma/scriptengines/plasma_appletscript_declarative.so
#21 0x00007fb0e47a6aa1 in
PlasmaQuick::AppletQuickItem::itemChange(QQuickItem::ItemChange,
QQuickItem::ItemChangeData const&) () at
/lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#22 0x00007fb0e3e55bed in QQuickItemPrivate::refWindow(QQuickWindow*) () at
/lib/x86_64-linux-gnu/libQt5Quick.so.5
#23 0x00007fb0e3e55baa in QQuickItemPrivate::refWindow(QQuickWindow*) () at
/lib/x86_64-linux-gnu/libQt5Quick.so.5
#24 0x00007fb0e3e55fc4 in QQuickItem::setParentItem(QQuickItem*) () at
/lib/x86_64-linux-gnu/libQt5Quick.so.5
#25 0x00007fb0e47b3d71 in  () at /lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#26 0x00005577efc68fe6 in  ()
#27 0x00007fb0e20e8f8f in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x00007fb0e20ecdaa in QTimer::timeout(QTimer::QPrivateSignal) () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x00007fb0e20dd54d in QObject::event(QEvent*) () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#30 0x00007fb0e2f62fae in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#31 0x00007fb0e20b1738 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007fb0e2108c71 in QTimerInfoList::activateTimers() () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x00007fb0e210953c in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#34 0x00007fb0e0b4b7a9 in g_main_context_dispatch () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007fb0e0b4ba38 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007fb0e0b4bacc in g_main_context_iteration () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007fb0e2109876 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib/x86_64-linux-gnu/libQt5Core.so.5
#38 0x00007fb0e20b01bb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#39 0x00007fb0e20b8316 in QCoreApplication::exec() () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#40 0x00005577efc3bdc3 in  ()
#41 0x00007fb0e1c4624a in __libc_start_call_main
(main=main@entry=0x5577efc3aee0, argc=argc@entry=2,
argv=argv@entry=0x7fffa4eabfa8) at ../sysdeps/nptl/libc_start_call_main.h:58
#42 0x00007fb0e1c46305 in __libc_start_main_impl (main=0x5577efc3aee0, argc=2,
argv=0x7fffa4eabfa8, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7fffa4eabf98) at ../csu/libc-start.c:360
#43 0x00005577efc3bee1 in  ()

Thread 1 (Thread 0x7fb0d7fff6c0 (LWP 2183)):
[KCrash Handler]
#5  __pthread_kill_implementation (threadid=<optimized out>,
signo=signo@entry=11, no_tid=no_tid@entry=0) at ./nptl/pthread_kill.c:44
#6  0x00007fb0e1ca9e9f in __pthread_kill_internal (signo=11,
threadid=<optimized out>) at ./nptl/pthread_kill.c:78
#7  0x00007fb0e1c5afb2 in __GI_raise (sig=11) at ../sysdeps/posix/raise.c:26
#8  0x00007fb0e1c5b050 in <signal handler called> () at
/lib/x86_64-linux-gnu/libc.so.6
#9  0x00007fb0e1d1b15f in __GI___poll (fds=0x7fb0d0014330, nfds=4, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#10 0x00007fb0e0b4b9ae in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007fb0e0b4bacc in g_main_context_iteration () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007fb0e2109876 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007fb0e20b01bb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007fb0e1ecabc7 in QThread::exec() () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007fb0e2cbc487 in  () at /lib/x86_64-linux-gnu/libQt5DBus.so.5
#16 0x00007fb0e1ecbd83 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007fb0e1ca8144 in start_thread (arg=<optimized out>) at
./nptl/pthread_create.c:442
#18 0x00007fb0e1d287dc in clone3 () at
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Reported using DrKonqi

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