Bug#1039063: Plasmashell segfaulting upon startup under X11
I am having a similar issue where plasmashell occasionally segfaults upon
logging into an X11 session under Debian 12. The KDE desktop may or may not
appear first, then displaying the KDE crash reporter, indicating the
stacktraces are not useful and it would not report the crash to KDE.
Attached is a recent stacktrace.
Application: Plasma (plasmashell), signal: Segmentation fault
PID: 1395 (plasmashell)
UID: 1000 (epp)
GID: 1000 (epp)
Signal: 11 (SEGV)
Timestamp: Sat 2023-10-07 20:16:42 EDT (36s 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 (epp)
Boot ID: 847aa52a494d44d9bd644e4bd90078a5
Machine ID: d01c54dc30b84287b2ca7f867d54bb71
Hostname: upstairs
Storage: /var/lib/systemd/coredump/core.plasmashell.1000.847aa52a494d44d9bd644e4bd90078a5.1395.1696724202000000.zst (present)
Size on Disk: 7.6M
Message: Process 1395 (plasmashell) of user 1000 dumped core.
Module libsystemd.so.0 from deb systemd-252.17-1~deb12u1.amd64
Module libudev.so.1 from deb systemd-252.17-1~deb12u1.amd64
Stack trace of thread 1829:
#0 0x00007f232f0a9d3c n/a (libc.so.6 + 0x8ad3c)
#1 0x00007f232f05af32 raise (libc.so.6 + 0x3bf32)
#2 0x00007f233169db46 _ZN6KCrash19defaultCrashHandlerEi (libKF5Crash.so.5 + 0x5b46)
#3 0x00007f232f05afd0 n/a (libc.so.6 + 0x3bfd0)
#4 0x00007f232f0a9d3c n/a (libc.so.6 + 0x8ad3c)
#5 0x00007f232f05af32 raise (libc.so.6 + 0x3bf32)
#6 0x00007f232f05afd0 n/a (libc.so.6 + 0x3bfd0)
#7 0x00007f232f11d941 pselect (libc.so.6 + 0xfe941)
#8 0x00007f232d077a62 n/a (libusbmuxd-2.0.so.6 + 0x2a62)
#9 0x00007f232d078e60 n/a (libusbmuxd-2.0.so.6 + 0x3e60)
#10 0x00007f232f0a8044 n/a (libc.so.6 + 0x89044)
#11 0x00007f232f12861c n/a (libc.so.6 + 0x10961c)
Stack trace of thread 1790:
#0 0x00007f232f11b05f __poll (libc.so.6 + 0xfc05f)
#1 0x00007f232ded29ae n/a (libglib-2.0.so.0 + 0x549ae)
#2 0x00007f232ded2acc g_main_context_iteration (libglib-2.0.so.0 + 0x54acc)
#3 0x00007f232f509836 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x309836)
#4 0x00007f232f4b017b _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2b017b)
#5 0x00007f232f2cab87 _ZN7QThread4execEv (libQt5Core.so.5 + 0xcab87)
#6 0x00007f23311566d6 n/a (libQt5Quick.so.5 + 0x1566d6)
#7 0x00007f232f2cbd43 n/a (libQt5Core.so.5 + 0xcbd43)
#8 0x00007f232f0a8044 n/a (libc.so.6 + 0x89044)
#9 0x00007f232f12861c n/a (libc.so.6 + 0x10961c)
Stack trace of thread 1410:
#0 0x00007f232f11b05f __poll (libc.so.6 + 0xfc05f)
#1 0x00007f23318fed12 n/a (libxcb.so.1 + 0xcd12)
#2 0x00007f233190107a xcb_wait_for_event (libxcb.so.1 + 0xf07a)
#3 0x00007f232a2faf00 n/a (libQt5XcbQpa.so.5 + 0x6cf00)
#4 0x00007f232f2cbd43 n/a (libQt5Core.so.5 + 0xcbd43)
#5 0x00007f232f0a8044 n/a (libc.so.6 + 0x89044)
#6 0x00007f232f12861c n/a (libc.so.6 + 0x10961c)
Stack trace of thread 1799:
#0 0x00007f232f0a4da6 n/a (libc.so.6 + 0x85da6)
#1 0x00007f232f0a7468 pthread_cond_wait (libc.so.6 + 0x88468)
#2 0x00007f232f2d1a2b _ZN14QWaitCondition4waitEP6QMutex14QDeadlineTimer (libQt5Core.so.5 + 0xd1a2b)
#3 0x00007f2331208085 n/a (libQt5Quick.so.5 + 0x208085)
#4 0x00007f233120a4b1 n/a (libQt5Quick.so.5 + 0x20a4b1)
#5 0x00007f232f2cbd43 n/a (libQt5Core.so.5 + 0xcbd43)
#6 0x00007f232f0a8044 n/a (libc.so.6 + 0x89044)
#7 0x00007f232f12861c n/a (libc.so.6 + 0x10961c)
Stack trace of thread 1791:
#0 0x00007f232f0a4da6 n/a (libc.so.6 + 0x85da6)
#1 0x00007f232f0a774c pthread_cond_timedwait (libc.so.6 + 0x8874c)
#2 0x00007f232f2d19bc _ZN14QWaitCondition4waitEP6QMutex14QDeadlineTimer (libQt5Core.so.5 + 0xd19bc)
#3 0x00007f232f2cf0a5 n/a (libQt5Core.so.5 + 0xcf0a5)
#4 0x00007f232f2cbd43 n/a (libQt5Core.so.5 + 0xcbd43)
#5 0x00007f232f0a8044 n/a (libc.so.6 + 0x89044)
#6 0x00007f232f12861c n/a (libc.so.6 + 0x10961c)
Stack trace of thread 1830:
#0 0x00007f232f11b05f __poll (libc.so.6 + 0xfc05f)
#1 0x00007f233169d150 n/a (libKF5Crash.so.5 + 0x5150)
#2 0x00007f233169dad6 _ZN6KCrash19defaultCrashHandlerEi (libKF5Crash.so.5 + 0x5ad6)
#3 0x00007f232f05afd0 n/a (libc.so.6 + 0x3bfd0)
#4 0x00007f23031e9b0e n/a (libKF5ActivitiesStats.so.1 + 0x27b0e)
#5 0x00007f232eed44a3 n/a (libstdc++.so.6 + 0xd44a3)
#6 0x00007f232f0a8044 n/a (libc.so.6 + 0x89044)
#7 0x00007f232f12861c n/a (libc.so.6 + 0x10961c)
Stack trace of thread 1412:
#0 0x00007f232f0a4da6 n/a (libc.so.6 + 0x85da6)
#1 0x00007f232f0a7468 pthread_cond_wait (libc.so.6 + 0x88468)
#2 0x00007f232250c059 n/a (r600_dri.so + 0x10c059)
#3 0x00007f23224be17b n/a (r600_dri.so + 0xbe17b)
#4 0x00007f232250bf97 n/a (r600_dri.so + 0x10bf97)
#5 0x00007f232f0a8044 n/a (libc.so.6 + 0x89044)
#6 0x00007f232f12861c n/a (libc.so.6 + 0x10961c)
Stack trace of thread 1639:
#0 0x00007f232f11b05f __poll (libc.so.6 + 0xfc05f)
#1 0x00007f232ded29ae n/a (libglib-2.0.so.0 + 0x549ae)
#2 0x00007f232ded2acc g_main_context_iteration (libglib-2.0.so.0 + 0x54acc)
#3 0x00007f232f509836 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x309836)
#4 0x00007f232f4b017b _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2b017b)
#5 0x00007f232f2cab87 _ZN7QThread4execEv (libQt5Core.so.5 + 0xcab87)
#6 0x00007f2330d28555 n/a (libQt5Qml.so.5 + 0x328555)
#7 0x00007f232f2cbd43 n/a (libQt5Core.so.5 + 0xcbd43)
#8 0x00007f232f0a8044 n/a (libc.so.6 + 0x89044)
#9 0x00007f232f12861c n/a (libc.so.6 + 0x10961c)
Stack trace of thread 1411:
#0 0x00007f232f11b05f __poll (libc.so.6 + 0xfc05f)
#1 0x00007f232ded29ae n/a (libglib-2.0.so.0 + 0x549ae)
#2 0x00007f232ded2acc g_main_context_iteration (libglib-2.0.so.0 + 0x54acc)
#3 0x00007f232f509836 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x309836)
#4 0x00007f232f4b017b _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2b017b)
#5 0x00007f232f2cab87 _ZN7QThread4execEv (libQt5Core.so.5 + 0xcab87)
#6 0x00007f2330050487 n/a (libQt5DBus.so.5 + 0x17487)
#7 0x00007f232f2cbd43 n/a (libQt5Core.so.5 + 0xcbd43)
#8 0x00007f232f0a8044 n/a (libc.so.6 + 0x89044)
#9 0x00007f232f12861c n/a (libc.so.6 + 0x10961c)
Stack trace of thread 1395:
#0 0x00007f232f0a4da6 n/a (libc.so.6 + 0x85da6)
#1 0x00007f232f0a7468 pthread_cond_wait (libc.so.6 + 0x88468)
#2 0x00007f232f2d1a2b _ZN14QWaitCondition4waitEP6QMutex14QDeadlineTimer (libQt5Core.so.5 + 0xd1a2b)
#3 0x00007f2330d28c45 n/a (libQt5Qml.so.5 + 0x328c45)
#4 0x00007f2330caf841 _ZN14QQmlTypeLoader4loadEP12QQmlDataBlobNS_4ModeE (libQt5Qml.so.5 + 0x2af841)
#5 0x00007f2330cb0180 _ZN14QQmlTypeLoader7getTypeERK4QUrlNS_4ModeE (libQt5Qml.so.5 + 0x2b0180)
#6 0x00007f2330c88b34 _ZN20QQmlComponentPrivate7loadUrlERK4QUrlN13QQmlComponent15CompilationModeE (libQt5Qml.so.5 + 0x288b34)
#7 0x00007f23317b734d n/a (libKF5Declarative.so.5 + 0xc34d)
#8 0x00007f2331b21c77 _ZN11PlasmaQuick15AppletQuickItem4initEv (libKF5PlasmaQuick.so.5 + 0x21c77)
#9 0x00007f23282e329c n/a (plasma_appletscript_declarative.so + 0x1929c)
#10 0x00007f2331b23aa1 _ZN11PlasmaQuick15AppletQuickItem10itemChangeEN10QQuickItem10ItemChangeERKNS1_14ItemChangeDataE (libKF5PlasmaQuick.so.5 + 0x23aa1)
#11 0x00007f2331255bed _ZN17QQuickItemPrivate9refWindowEP12QQuickWindow (libQt5Quick.so.5 + 0x255bed)
#12 0x00007f2331255baa _ZN17QQuickItemPrivate9refWindowEP12QQuickWindow (libQt5Quick.so.5 + 0x255baa)
#13 0x00007f2331255fc4 _ZN10QQuickItem13setParentItemEPS_ (libQt5Quick.so.5 + 0x255fc4)
#14 0x00007f2331b30d71 n/a (libKF5PlasmaQuick.so.5 + 0x30d71)
#15 0x000055a7e743afe6 n/a (plasmashell + 0x53fe6)
#16 0x00007f232f4e8f4f n/a (libQt5Core.so.5 + 0x2e8f4f)
#17 0x00007f232f4ecd6a _ZN6QTimer7timeoutENS_14QPrivateSignalE (libQt5Core.so.5 + 0x2ecd6a)
#18 0x00007f232f4dd50d _ZN7QObject5eventEP6QEvent (libQt5Core.so.5 + 0x2dd50d)
#19 0x00007f2330362fae _ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent (libQt5Widgets.so.5 + 0x162fae)
#20 0x00007f232f4b16f8 _ZN16QCoreApplication15notifyInternal2EP7QObjectP6QEvent (libQt5Core.so.5 + 0x2b16f8)
#21 0x00007f232f508c31 _ZN14QTimerInfoList14activateTimersEv (libQt5Core.so.5 + 0x308c31)
#22 0x00007f232f5094fc n/a (libQt5Core.so.5 + 0x3094fc)
#23 0x00007f232ded27a9 g_main_context_dispatch (libglib-2.0.so.0 + 0x547a9)
#24 0x00007f232ded2a38 n/a (libglib-2.0.so.0 + 0x54a38)
#25 0x00007f232ded2acc g_main_context_iteration (libglib-2.0.so.0 + 0x54acc)
#26 0x00007f232f509836 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x309836)
#27 0x00007f232f4b017b _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2b017b)
#28 0x00007f232f4b82d6 _ZN16QCoreApplication4execEv (libQt5Core.so.5 + 0x2b82d6)
#29 0x000055a7e740ddc3 n/a (plasmashell + 0x26dc3)
#30 0x00007f232f0461ca n/a (libc.so.6 + 0x271ca)
#31 0x00007f232f046285 __libc_start_main (libc.so.6 + 0x27285)
#32 0x000055a7e740dee1 n/a (plasmashell + 0x26ee1)
Stack trace of thread 1413:
#0 0x00007f232f0a4da6 n/a (libc.so.6 + 0x85da6)
#1 0x00007f232f0a7468 pthread_cond_wait (libc.so.6 + 0x88468)
#2 0x00007f232250c059 n/a (r600_dri.so + 0x10c059)
#3 0x00007f23224be17b n/a (r600_dri.so + 0xbe17b)
#4 0x00007f232250bf97 n/a (r600_dri.so + 0x10bf97)
#5 0x00007f232f0a8044 n/a (libc.so.6 + 0x89044)
#6 0x00007f232f12861c n/a (libc.so.6 + 0x10961c)
ELF object binary architecture: AMD x86-64
[New LWP 1829]
[New LWP 1790]
[New LWP 1410]
[New LWP 1799]
[New LWP 1791]
[New LWP 1830]
[New LWP 1412]
[New LWP 1639]
[New LWP 1411]
[New LWP 1395]
[New LWP 1413]
[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 0x00007f232f0a9d3c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[Current thread is 1 (Thread 0x7f22f32ba6c0 (LWP 1829))]
[Current thread is 1 (Thread 0x7f22f32ba6c0 (LWP 1829))]
Thread 11 (Thread 0x7f2314dff6c0 (LWP 1413)):
#0 0x00007f232f0a4da6 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007f232f0a7468 in pthread_cond_wait () from /lib/x86_64-linux-gnu/libc.so.6
#2 0x00007f232250c059 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#3 0x00007f23224be17b in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#4 0x00007f232250bf97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#5 0x00007f232f0a8044 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#6 0x00007f232f12861c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
Thread 10 (Thread 0x7f232a820540 (LWP 1395)):
#0 0x00007f232f0a4da6 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007f232f0a7468 in pthread_cond_wait () from /lib/x86_64-linux-gnu/libc.so.6
#2 0x00007f232f2d1a2b in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#3 0x00007f2330d28c45 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#4 0x00007f2330caf841 in QQmlTypeLoader::load(QQmlDataBlob*, QQmlTypeLoader::Mode) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#5 0x00007f2330cb0180 in QQmlTypeLoader::getType(QUrl const&, QQmlTypeLoader::Mode) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#6 0x00007f2330c88b34 in QQmlComponentPrivate::loadUrl(QUrl const&, QQmlComponent::CompilationMode) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#7 0x00007f23317b734d in ?? () from /lib/x86_64-linux-gnu/libKF5Declarative.so.5
#8 0x00007f2331b21c77 in PlasmaQuick::AppletQuickItem::init() () from /lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#9 0x00007f23282e329c in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/plasma/scriptengines/plasma_appletscript_declarative.so
#10 0x00007f2331b23aa1 in PlasmaQuick::AppletQuickItem::itemChange(QQuickItem::ItemChange, QQuickItem::ItemChangeData const&) () from /lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#11 0x00007f2331255bed in QQuickItemPrivate::refWindow(QQuickWindow*) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#12 0x00007f2331255baa in QQuickItemPrivate::refWindow(QQuickWindow*) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#13 0x00007f2331255fc4 in QQuickItem::setParentItem(QQuickItem*) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#14 0x00007f2331b30d71 in ?? () from /lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#15 0x000055a7e743afe6 in ?? ()
#16 0x00007f232f4e8f4f in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007f232f4ecd6a in QTimer::timeout(QTimer::QPrivateSignal) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f232f4dd50d in QObject::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007f2330362fae in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007f232f4b16f8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007f232f508c31 in QTimerInfoList::activateTimers() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007f232f5094fc in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007f232ded27a9 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f232ded2a38 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f232ded2acc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007f232f509836 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007f232f4b017b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x00007f232f4b82d6 in QCoreApplication::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x000055a7e740ddc3 in ?? ()
#30 0x00007f232f0461ca in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#31 0x00007f232f046285 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
#32 0x000055a7e740dee1 in ?? ()
Thread 9 (Thread 0x7f23294fa6c0 (LWP 1411)):
#0 0x00007f232f11b05f in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007f232ded29ae in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f232ded2acc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f232f509836 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f232f4b017b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f232f2cab87 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007f2330050487 in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#7 0x00007f232f2cbd43 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8 0x00007f232f0a8044 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#9 0x00007f232f12861c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
Thread 8 (Thread 0x7f230f3ff6c0 (LWP 1639)):
#0 0x00007f232f11b05f in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007f232ded29ae in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f232ded2acc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f232f509836 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f232f4b017b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f232f2cab87 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007f2330d28555 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#7 0x00007f232f2cbd43 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8 0x00007f232f0a8044 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#9 0x00007f232f12861c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
Thread 7 (Thread 0x7f2320bff6c0 (LWP 1412)):
#0 0x00007f232f0a4da6 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007f232f0a7468 in pthread_cond_wait () from /lib/x86_64-linux-gnu/libc.so.6
#2 0x00007f232250c059 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#3 0x00007f23224be17b in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#4 0x00007f232250bf97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#5 0x00007f232f0a8044 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#6 0x00007f232f12861c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
Thread 6 (Thread 0x7f22f292e6c0 (LWP 1830)):
[KCrash Handler]
#4 0x00007f23031e9b0e in ?? () from /lib/x86_64-linux-gnu/libKF5ActivitiesStats.so.1
#5 0x00007f232eed44a3 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
#6 0x00007f232f0a8044 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#7 0x00007f232f12861c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
Thread 5 (Thread 0x7f23011fe6c0 (LWP 1791)):
#0 0x00007f232f0a4da6 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007f232f0a774c in pthread_cond_timedwait () from /lib/x86_64-linux-gnu/libc.so.6
#2 0x00007f232f2d19bc in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#3 0x00007f232f2cf0a5 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f232f2cbd43 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f232f0a8044 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#6 0x00007f232f12861c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
Thread 4 (Thread 0x7f23009fd6c0 (LWP 1799)):
#0 0x00007f232f0a4da6 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007f232f0a7468 in pthread_cond_wait () from /lib/x86_64-linux-gnu/libc.so.6
#2 0x00007f232f2d1a2b in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#3 0x00007f2331208085 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#4 0x00007f233120a4b1 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#5 0x00007f232f2cbd43 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007f232f0a8044 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#7 0x00007f232f12861c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
Thread 3 (Thread 0x7f2329fff6c0 (LWP 1410)):
#0 0x00007f232f11b05f in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007f23318fed12 in ?? () from /lib/x86_64-linux-gnu/libxcb.so.1
#2 0x00007f233190107a in xcb_wait_for_event () from /lib/x86_64-linux-gnu/libxcb.so.1
#3 0x00007f232a2faf00 in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4 0x00007f232f2cbd43 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f232f0a8044 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#6 0x00007f232f12861c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
Thread 2 (Thread 0x7f23019ff6c0 (LWP 1790)):
#0 0x00007f232f11b05f in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007f232ded29ae in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f232ded2acc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f232f509836 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f232f4b017b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f232f2cab87 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007f23311566d6 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#7 0x00007f232f2cbd43 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8 0x00007f232f0a8044 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#9 0x00007f232f12861c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
Thread 1 (Thread 0x7f22f32ba6c0 (LWP 1829)):
[KCrash Handler]
#4 0x00007f232f0a9d3c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#5 0x00007f232f05af32 in raise () from /lib/x86_64-linux-gnu/libc.so.6
#6 <signal handler called>
#7 0x00007f232f11d941 in pselect () from /lib/x86_64-linux-gnu/libc.so.6
#8 0x00007f232d077a62 in ?? () from /lib/x86_64-linux-gnu/libusbmuxd-2.0.so.6
#9 0x00007f232d078e60 in ?? () from /lib/x86_64-linux-gnu/libusbmuxd-2.0.so.6
#10 0x00007f232f0a8044 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#11 0x00007f232f12861c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
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