Application: plasmashell (5.11.2) (Compiled from sources) Qt Version: 5.9.1 Frameworks Version: 5.39.0 Operating System: Linux 4.13.0-16-generic x86_64 Distribution: Ubuntu 17.10 -- Information about the crash: - What I was doing when the application crashed: Removed a USB memory stick after choosing 'Safely remove...' -- Backtrace: Application: Plasma (plasmashell), signal: Segmentation fault Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [Current thread is 1 (Thread 0x7f915179c900 (LWP 1495))] Thread 8 (Thread 0x7f9096658700 (LWP 1947)): #0 0x00007f9145a415b9 in g_mutex_lock () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #1 0x00007f91459fbb7c in g_main_context_check () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f91459fc110 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f91459fc27c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007f914b70a49b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f914b6afe3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f914b4cf3ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007f90838b5717 in KCupsConnection::run() () at /usr/lib/x86_64-linux-gnu/libkcupslib.so #8 0x00007f914b4d429d in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #9 0x00007f914a6697fc in start_thread (arg=0x7f9096658700) at pthread_create.c:465 #10 0x00007f914add6b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 7 (Thread 0x7f9095e57700 (LWP 1793)): #0 0x00007f914adca901 in __GI___poll (fds=0x7f90880056f0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f91459fc169 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f91459fc27c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f914b70a49b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f914b6afe3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f914b4cf3ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f914f1c6846 in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #7 0x00007f914b4d429d in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f914a6697fc in start_thread (arg=0x7f9095e57700) at pthread_create.c:465 #9 0x00007f914add6b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 6 (Thread 0x7f9122404700 (LWP 1734)): #0 0x00007f914a670072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f9151173fb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88 #1 0x00007f914a670072 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f9151173f68, cond=0x7f9151173f90) at pthread_cond_wait.c:502 #2 0x00007f914a670072 in __pthread_cond_wait (cond=0x7f9151173f90, mutex=0x7f9151173f68) at pthread_cond_wait.c:655 #3 0x00007f9150e7fbd4 in () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5 #4 0x00007f9150e7fc19 in () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5 #5 0x00007f914a6697fc in start_thread (arg=0x7f9122404700) at pthread_create.c:465 #6 0x00007f914add6b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 5 (Thread 0x7f9130976700 (LWP 1593)): #0 0x00007f914adca901 in __GI___poll (fds=0x7f9128002de0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f91459fc169 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f91459fc27c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f914b70a49b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f914b6afe3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f914b4cf3ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f914e630f45 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #7 0x00007f914b4d429d in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f914a6697fc in start_thread (arg=0x7f9130976700) at pthread_create.c:465 #9 0x00007f914add6b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 4 (Thread 0x7f9132be9700 (LWP 1566)): #0 0x00007f914adca901 in __GI___poll (fds=0x7f91240029e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f91459fc169 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f91459fc27c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f914b70a49b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f914b6afe3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f914b4cf3ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f914e630f45 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #7 0x00007f914b4d429d in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f914a6697fc in start_thread (arg=0x7f9132be9700) at pthread_create.c:465 #9 0x00007f914add6b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 3 (Thread 0x7f9133fff700 (LWP 1516)): #0 0x00007f9145a415d4 in g_mutex_unlock () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #1 0x00007f91459fb698 in g_main_context_prepare () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f91459fc09b in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f91459fc27c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007f914b70a49b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f914b6afe3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f914b4cf3ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007f914bb86e45 in () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5 #8 0x00007f914b4d429d in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #9 0x00007f914a6697fc in start_thread (arg=0x7f9133fff700) at pthread_create.c:465 #10 0x00007f914add6b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 2 (Thread 0x7f913a7d5700 (LWP 1508)): #0 0x00007f914adca901 in __GI___poll (fds=0x7f913a7d4bb8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f914fdcc747 in () at /usr/lib/x86_64-linux-gnu/libxcb.so.1 #2 0x00007f914fdce53a in xcb_wait_for_event () at /usr/lib/x86_64-linux-gnu/libxcb.so.1 #3 0x00007f913c91cf09 in () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5 #4 0x00007f914b4d429d in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f914a6697fc in start_thread (arg=0x7f913a7d5700) at pthread_create.c:465 #6 0x00007f914add6b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 1 (Thread 0x7f915179c900 (LWP 1495)): [KCrash Handler] #6 0x00007f914f298986 in QQuickWindowPrivate::removeGrabber(QQuickItem*, bool, bool) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #7 0x00007f914f2871d0 in QQuickItemPrivate::derefWindow() () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #8 0x00007f914f287737 in QQuickItem::setParentItem(QQuickItem*) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #9 0x00007f914f288dfc in QQuickItem::~QQuickItem() () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #10 0x00007f914f2a3a75 in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #11 0x00007f914b6de4cb in QObjectPrivate::deleteChildren() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #12 0x00007f914b6e7d5b in QObject::~QObject() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #13 0x00007f914f288f05 in QQuickItem::~QQuickItem() () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #14 0x00007f914f2a4415 in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #15 0x00007f914b6e1470 in QObject::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #16 0x00007f914f2863eb in QQuickItem::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #17 0x00007f914c6b646c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #18 0x00007f914c6bdd34 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #19 0x00007f914b6b1de8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #20 0x00007f914b6b455d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #21 0x00007f914b70ae53 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #22 0x00007f91459fbfb7 in g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #23 0x00007f91459fc1f0 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #24 0x00007f91459fc27c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #25 0x00007f914b70a47f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #26 0x00007f914b6afe3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #27 0x00007f914b6b8da4 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #28 0x0000558809728ebc in () #29 0x00007f914ace31c1 in __libc_start_main (main=0x5588097284b0, argc=1, argv=0x7ffd97038e58, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd97038e48) at ../csu/libc-start.c:308 #30 0x000055880972925a in _start () Reported using DrKonqi
Thanks for the report James. I've just tested on plasmashell 5.20.3 and I am unable to replicate this issue. Can you please test and confirm if this issue is still occurring or if this bug report can be marked as resolved. I'm setting status to "needsinfo" pending your response, please change back to "reported" or "resolved" when you respond, thanks.
Dear Bug Submitter, This bug has been in NEEDSINFO status with no change for at least 15 days. Please provide the requested information as soon as possible and set the bug status as REPORTED. Due to regular bug tracker maintenance, if the bug is still in NEEDSINFO status with no change in 30 days the bug will be closed as RESOLVED > WORKSFORME due to lack of needed information. For more information about our bug triaging procedures please read the wiki located here: https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging If you have already provided the requested information, please mark the bug as REPORTED so that the KDE team knows that the bug is ready to be confirmed. Thank you for helping us make KDE software even better for everyone!
This bug has been in NEEDSINFO status with no change for at least 30 days. The bug is now closed as RESOLVED > WORKSFORME due to lack of needed information. For more information about our bug triaging procedures please read the wiki located here: https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging Thank you for helping us make KDE software even better for everyone!