Bug 419704

Summary: Discover crashes when searchig for packages
Product: [Applications] Discover Reporter: Wayan Arthur Fontaine-Seiler <wayan1603>
Component: discoverAssignee: Dan Leinir Turthra Jensen <leinir>
Status: RESOLVED UNMAINTAINED    
Severity: crash CC: aleixpol, nate
Priority: NOR Keywords: drkonqi
Version: 5.14.5   
Target Milestone: ---   
Platform: Debian stable   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description Wayan Arthur Fontaine-Seiler 2020-04-06 04:58:30 UTC 
Application: plasma-discover (5.14.5)

Qt Version: 5.11.3
Frameworks Version: 5.54.0
Operating System: Linux 4.19.0-8-amd64 x86_64
Distribution: Debian GNU/Linux 10 (buster)

-- Information about the crash:
- What I was doing when the application crashed: Only searching for a specific package. The bug seems to be independent of the package I searched for.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Discover (plasma-discover), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7ff604812800 (LWP 4685))]

Thread 17 (Thread 0x7ff5c3fff700 (LWP 5853)):
#0  0x00007ff608628819 in __GI___poll (fds=0x7ff5bc0044b0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ff607061136 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff60706125c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff608b3c743 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007ff608aea15b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ff608939e76 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ff608943a67 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007ff607adcfa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#8  0x00007ff6086334cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7ff5c37fe700 (LWP 5846)):
#0  0x00007ff608b3cb24 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007ff607060669 in g_main_context_prepare () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff60706106b in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff60706125c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ff608b3c743 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ff608aea15b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ff608939e76 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007ff608943a67 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007ff607adcfa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007ff6086334cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7ff5c1f17700 (LWP 5693)):
#0  0x00007ff607ae300c in futex_wait_cancelable (private=0, expected=0, futex_word=0x55bf94a53758) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007ff607ae300c in __pthread_cond_wait_common (abstime=0x0, mutex=0x55bf9678d7d0, cond=0x55bf94a53730) at pthread_cond_wait.c:502
#2  0x00007ff607ae300c in __pthread_cond_wait (cond=0x55bf94a53730, mutex=0x55bf9678d7d0) at pthread_cond_wait.c:655
#3  0x00007ff5ee41f457 in  () at /lib/x86_64-linux-gnu/librsvg-2.so.2
#4  0x00007ff5ee4195ab in  () at /lib/x86_64-linux-gnu/librsvg-2.so.2
#5  0x00007ff5ee41a1ac in  () at /lib/x86_64-linux-gnu/librsvg-2.so.2
#6  0x00007ff5ee41b36c in  () at /lib/x86_64-linux-gnu/librsvg-2.so.2
#7  0x00007ff5ee545d6a in  () at /lib/x86_64-linux-gnu/librsvg-2.so.2
#8  0x00007ff5ee41acc0 in  () at /lib/x86_64-linux-gnu/librsvg-2.so.2
#9  0x00007ff5ee53b2ee in  () at /lib/x86_64-linux-gnu/librsvg-2.so.2
#10 0x00007ff5ee50e7f6 in  () at /lib/x86_64-linux-gnu/librsvg-2.so.2
#11 0x00007ff607adcfa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#12 0x00007ff6086334cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7ff5c2118700 (LWP 5692)):
#0  0x00007ff607ae300c in futex_wait_cancelable (private=0, expected=0, futex_word=0x55bf94a53758) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007ff607ae300c in __pthread_cond_wait_common (abstime=0x0, mutex=0x55bf9678d7d0, cond=0x55bf94a53730) at pthread_cond_wait.c:502
#2  0x00007ff607ae300c in __pthread_cond_wait (cond=0x55bf94a53730, mutex=0x55bf9678d7d0) at pthread_cond_wait.c:655
#3  0x00007ff5ee41f457 in  () at /lib/x86_64-linux-gnu/librsvg-2.so.2
#4  0x00007ff5ee4195ab in  () at /lib/x86_64-linux-gnu/librsvg-2.so.2
#5  0x00007ff5ee41a1ac in  () at /lib/x86_64-linux-gnu/librsvg-2.so.2
#6  0x00007ff5ee41b36c in  () at /lib/x86_64-linux-gnu/librsvg-2.so.2
#7  0x00007ff5ee545d6a in  () at /lib/x86_64-linux-gnu/librsvg-2.so.2
#8  0x00007ff5ee41acc0 in  () at /lib/x86_64-linux-gnu/librsvg-2.so.2
#9  0x00007ff5ee53b2ee in  () at /lib/x86_64-linux-gnu/librsvg-2.so.2
#10 0x00007ff5ee50e7f6 in  () at /lib/x86_64-linux-gnu/librsvg-2.so.2
#11 0x00007ff607adcfa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#12 0x00007ff6086334cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7ff5c2319700 (LWP 5691)):
#0  0x00007ff607ae300c in futex_wait_cancelable (private=0, expected=0, futex_word=0x55bf94a53758) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007ff607ae300c in __pthread_cond_wait_common (abstime=0x0, mutex=0x55bf9678d7d0, cond=0x55bf94a53730) at pthread_cond_wait.c:502
#2  0x00007ff607ae300c in __pthread_cond_wait (cond=0x55bf94a53730, mutex=0x55bf9678d7d0) at pthread_cond_wait.c:655
#3  0x00007ff5ee41f457 in  () at /lib/x86_64-linux-gnu/librsvg-2.so.2
#4  0x00007ff5ee4195ab in  () at /lib/x86_64-linux-gnu/librsvg-2.so.2
#5  0x00007ff5ee41a1ac in  () at /lib/x86_64-linux-gnu/librsvg-2.so.2
#6  0x00007ff5ee41b36c in  () at /lib/x86_64-linux-gnu/librsvg-2.so.2
#7  0x00007ff5ee545d6a in  () at /lib/x86_64-linux-gnu/librsvg-2.so.2
#8  0x00007ff5ee41acc0 in  () at /lib/x86_64-linux-gnu/librsvg-2.so.2
#9  0x00007ff5ee53b2ee in  () at /lib/x86_64-linux-gnu/librsvg-2.so.2
#10 0x00007ff5ee50e7f6 in  () at /lib/x86_64-linux-gnu/librsvg-2.so.2
#11 0x00007ff607adcfa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#12 0x00007ff6086334cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7ff5c251a700 (LWP 5690)):
#0  0x00007ff607ae300c in futex_wait_cancelable (private=0, expected=0, futex_word=0x55bf94a53758) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007ff607ae300c in __pthread_cond_wait_common (abstime=0x0, mutex=0x55bf9678d7d0, cond=0x55bf94a53730) at pthread_cond_wait.c:502
#2  0x00007ff607ae300c in __pthread_cond_wait (cond=0x55bf94a53730, mutex=0x55bf9678d7d0) at pthread_cond_wait.c:655
#3  0x00007ff5ee41f457 in  () at /lib/x86_64-linux-gnu/librsvg-2.so.2
#4  0x00007ff5ee4195ab in  () at /lib/x86_64-linux-gnu/librsvg-2.so.2
#5  0x00007ff5ee41a1ac in  () at /lib/x86_64-linux-gnu/librsvg-2.so.2
#6  0x00007ff5ee41b36c in  () at /lib/x86_64-linux-gnu/librsvg-2.so.2
#7  0x00007ff5ee545d6a in  () at /lib/x86_64-linux-gnu/librsvg-2.so.2
#8  0x00007ff5ee41acc0 in  () at /lib/x86_64-linux-gnu/librsvg-2.so.2
#9  0x00007ff5ee53b2ee in  () at /lib/x86_64-linux-gnu/librsvg-2.so.2
#10 0x00007ff5ee50e7f6 in  () at /lib/x86_64-linux-gnu/librsvg-2.so.2
#11 0x00007ff607adcfa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#12 0x00007ff6086334cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7ff5c2dc6700 (LWP 4714)):
#0  0x00007ff608624494 in __GI___libc_read (nbytes=16, buf=0x7ff5c2dc5b80, fd=37) at ../sysdeps/unix/sysv/linux/read.c:26
#1  0x00007ff608624494 in __GI___libc_read (fd=37, buf=0x7ff5c2dc5b80, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007ff6070a6aa0 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff607060c0f in g_main_context_check () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ff6070610e0 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ff60706125c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007ff608b3c743 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007ff608aea15b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007ff608939e76 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007ff608943a67 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007ff607adcfa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#11 0x00007ff6086334cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7ff5e243e700 (LWP 4707)):
#0  0x00007ff6070aae84 in g_mutex_unlock () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007ff607060187 in g_main_context_acquire () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff607060ff5 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff60706125c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ff608b3c743 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ff608aea15b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ff608939e76 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007ff608943a67 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007ff607adcfa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007ff6086334cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7ff5e2ffd700 (LWP 4697)):
#0  0x00007ff6070aae84 in g_mutex_unlock () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007ff607060b09 in g_main_context_check () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff6070610e0 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff60706125c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ff608b3c743 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ff608aea15b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ff608939e76 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007ff608943a67 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007ff607adcfa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007ff6086334cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7ff5e37fe700 (LWP 4696)):
#0  0x00007ff608624494 in __GI___libc_read (nbytes=16, buf=0x7ff5e37fdcd0, fd=18) at ../sysdeps/unix/sysv/linux/read.c:26
#1  0x00007ff608624494 in __GI___libc_read (fd=18, buf=0x7ff5e37fdcd0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007ff6070a6aa0 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff607060c0f in g_main_context_check () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ff6070610e0 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ff6070614c2 in g_main_loop_run () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007ff5edd31266 in  () at /lib/x86_64-linux-gnu/libgio-2.0.so.0
#7  0x00007ff607089415 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007ff607adcfa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007ff6086334cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7ff5e3fff700 (LWP 4695)):
#0  0x00007ff6070610a2 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007ff60706125c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff6070612a1 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff607089415 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ff607adcfa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#5  0x00007ff6086334cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7ff5f88d9700 (LWP 4692)):
#0  0x00007ff608628819 in __GI___poll (fds=0x7ff5e40589e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ff607061136 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff60706125c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff608b3c743 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007ff608aea15b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ff608939e76 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ff60a36e476 in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007ff608943a67 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007ff607adcfa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007ff6086334cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7ff5f93e6700 (LWP 4691)):
#0  0x00007ff607ae300c in futex_wait_cancelable (private=0, expected=0, futex_word=0x55bf93ca10ec) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007ff607ae300c in __pthread_cond_wait_common (abstime=0x0, mutex=0x55bf93ca1098, cond=0x55bf93ca10c0) at pthread_cond_wait.c:502
#2  0x00007ff607ae300c in __pthread_cond_wait (cond=0x55bf93ca10c0, mutex=0x55bf93ca1098) at pthread_cond_wait.c:655
#3  0x00007ff5f99e4e83 in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007ff5f99e4bd7 in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007ff607adcfa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007ff6086334cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7ff5fbfff700 (LWP 4690)):
#0  0x00007ff607060cd3 in g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007ff6070611c8 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff60706125c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff608b3c743 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007ff608aea15b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ff608939e76 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ff6090c7c65 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007ff608943a67 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007ff607adcfa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007ff6086334cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7ff6018a2700 (LWP 4688)):
#0  0x00007ff6086407d2 in __libc_disable_asynccancel () at ../sysdeps/unix/sysv/linux/x86_64/cancellation.S:85
#1  0x00007ff60862882d in __GI___poll (fds=0x7ff5f4011f30, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#2  0x00007ff607061136 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff60706125c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ff608b3c743 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ff608aea15b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ff608939e76 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007ff609e0f545 in  () at /lib/x86_64-linux-gnu/libQt5DBus.so.5
#8  0x00007ff608943a67 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007ff607adcfa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#10 0x00007ff6086334cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7ff603609700 (LWP 4687)):
#0  0x00007ff608628819 in __GI___poll (fds=0x7ff603608cb8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ff606f80cf7 in  () at /lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007ff606f8291a in xcb_wait_for_event () at /lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007ff6043acd79 in  () at /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007ff608943a67 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ff607adcfa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007ff6086334cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7ff604812800 (LWP 4685)):
[KCrash Handler]
#6  0x0000000000000018 in  ()
#7  0x00007ff608af46b9 in QMetaObject::cast(QObject const*) const () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007ff60910612c in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007ff60910d412 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007ff60910d4b2 in QQmlDelegateModel::release(QObject*) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#11 0x00007ff609101d79 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#12 0x00007ff609102206 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#13 0x00007ff609102510 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#14 0x00007ff609103745 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#15 0x00007ff609031d72 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#16 0x00007ff60902f044 in QQmlPropertyPrivate::write(QObject*, QQmlPropertyData const&, QVariant const&, QQmlContextData*, QFlags<QQmlPropertyData::WriteFlag>) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#17 0x00007ff6090af694 in QQmlBinding::slowWrite(QQmlPropertyData const&, QQmlPropertyData const&, QV4::Value const&, bool, QFlags<QQmlPropertyData::WriteFlag>) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#18 0x00007ff6090b07b0 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#19 0x00007ff6090b1d7c in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#20 0x00007ff6090ae353 in QQmlBinding::update(QFlags<QQmlPropertyData::WriteFlag>) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#21 0x00007ff6090855f3 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#22 0x00007ff60901fa8a in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#23 0x00007ff608b1412f in QMetaObject::activate(QObject*, int, int, void**) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007ff6090855f3 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#25 0x00007ff60901fa8a in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#26 0x00007ff608b1412f in QMetaObject::activate(QObject*, int, int, void**) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007ff6090b3f58 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#28 0x00007ff608ffea69 in QV4::Runtime::method_callProperty(QV4::ExecutionEngine*, QV4::Value*, int, QV4::Value*, int) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#29 0x00007ff608ff21f2 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#30 0x00007ff6090a84ff in QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#31 0x00007ff60903c527 in QQmlBoundSignalExpression::evaluate(void**) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#32 0x00007ff60903d6bb in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#33 0x00007ff6090855f3 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#34 0x00007ff60901fa8a in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#35 0x00007ff608b1412f in QMetaObject::activate(QObject*, int, int, void**) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#36 0x00007ff609102096 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#37 0x00007ff6091034e6 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#38 0x00007ff608b147f6 in QMetaObject::activate(QObject*, int, int, void**) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#39 0x00007ff6090f9b7d in QQmlInstanceModel::createdItem(int, QObject*) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#40 0x00007ff60910dae8 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#41 0x00007ff609037edf in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#42 0x00007ff60903837f in QQmlEnginePrivate::incubate(QQmlIncubator&, QQmlContextData*) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#43 0x00007ff60910c9f1 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#44 0x00007ff60910cc91 in QQmlDelegateModel::object(int, QQmlIncubator::IncubationMode) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#45 0x00007ff609102f7a in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#46 0x00007ff609103504 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#47 0x00007ff608b147f6 in QMetaObject::activate(QObject*, int, int, void**) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#48 0x00007ff6090f9b16 in QQmlInstanceModel::modelUpdated(QQmlChangeSet const&, bool) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#49 0x00007ff6091047a8 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#50 0x00007ff60910a485 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#51 0x00007ff60910a5f8 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#52 0x00007ff60910b5c1 in QQmlDelegateModel::_q_itemsInserted(int, int) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#53 0x00007ff609111575 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#54 0x00007ff6091119cb in QQmlDelegateModel::qt_metacall(QMetaObject::Call, int, void**) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#55 0x00007ff608b148b7 in QMetaObject::activate(QObject*, int, int, void**) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#56 0x00007ff608a9f13e in QAbstractItemModel::rowsInserted(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#57 0x00007ff608aa6855 in QAbstractItemModel::endInsertRows() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#58 0x00007ff60a1f697d in ResourcesProxyModel::sortedInsertion(QVector<AbstractResource*> const&) () at /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#59 0x00007ff60a1f7f12 in ResourcesProxyModel::addResources(QVector<AbstractResource*> const&) () at /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#60 0x00007ff608b14933 in QMetaObject::activate(QObject*, int, int, void**) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#61 0x00007ff60a212882 in ResultsStream::resourcesFound(QVector<AbstractResource*> const&) () at /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#62 0x00007ff60a1f0854 in AggregatedResultsStream::emitResults() () at /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#63 0x00007ff60a1f0889 in AggregatedResultsStream::clear() () at /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#64 0x00007ff60a1f1f63 in AggregatedResultsStream::destruction(QObject*) () at /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#65 0x00007ff608b14933 in QMetaObject::activate(QObject*, int, int, void**) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#66 0x00007ff608b14e7f in QObject::destroyed(QObject*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#67 0x00007ff608b1b54f in QObject::~QObject() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#68 0x00007ff60a2015a9 in ResultsStream::~ResultsStream() () at /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#69 0x00007ff608b15090 in QObject::event(QEvent*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#70 0x00007ff6098ff4c1 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#71 0x00007ff609906970 in QApplication::notify(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#72 0x00007ff608aeb489 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#73 0x00007ff608aee46b in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#74 0x00007ff608b3d103 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#75 0x00007ff607060f2e in g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#76 0x00007ff6070611c8 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#77 0x00007ff60706125c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#78 0x00007ff608b3c727 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#79 0x00007ff604443401 in  () at /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#80 0x00007ff608aea15b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#81 0x00007ff608af2132 in QCoreApplication::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#82 0x000055bf91f8eb23 in  ()
#83 0x00007ff60855e09b in __libc_start_main (main=0x55bf91f8e550, argc=1, argv=0x7ffde1023058, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffde1023048) at ../csu/libc-start.c:308
#84 0x000055bf91f8f0ca in _start ()
[Inferior 1 (process 4685) detached]

Reported using DrKonqi
Comment 1 Nate Graham 2020-04-15 02:53:06 UTC 
Plasma 5.14 is no longer supported. I would recommend upgrading your Plasma version to something more recent, if you can.