<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<!DOCTYPE bugzilla SYSTEM "https://bugs.kde.org/page.cgi?id=bugzilla.dtd">

<bugzilla version="5.0.6"
          urlbase="https://bugs.kde.org/"
          
          maintainer="sysadmin@kde.org"
>

    <bug>
          <bug_id>406185</bug_id>
          
          <creation_ts>2019-04-03 13:59:29 +0000</creation_ts>
          <short_desc>Kmail stops deplaying emails, crash and hangs on Ctl+Q</short_desc>
          <delta_ts>2019-04-19 11:49:39 +0000</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>2</classification_id>
          <classification>Applications</classification>
          <product>kontact</product>
          <component>mail</component>
          <version>unspecified</version>
          <rep_platform>Ubuntu</rep_platform>
          <op_sys>Linux</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>DUPLICATE</resolution>
          <dup_id>400581</dup_id>
          
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords>drkonqi</keywords>
          <priority>NOR</priority>
          <bug_severity>crash</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>0</everconfirmed>
          <reporter name="afogl001">afogl001</reporter>
          <assigned_to name="kdepim bugs">pim-bugs-null</assigned_to>
          <cc>afogl001</cc>
          
          <cf_commitlink></cf_commitlink>
          <cf_versionfixedin></cf_versionfixedin>
          <cf_sentryurl></cf_sentryurl>
          <votes>0</votes>

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1848358</commentid>
    <comment_count>0</comment_count>
    <who name="afogl001">afogl001</who>
    <bug_when>2019-04-03 13:59:29 +0000</bug_when>
    <thetext>Application: kontact (5.10.1)
 (Compiled from sources)
Qt Version: 5.12.0
Frameworks Version: 5.56.0
Operating System: Linux 4.15.0-47-generic x86_64
Distribution: KDE neon User Edition 5.15

-- Information about the crash:
- What I was doing when the application crashed:
I&apos;m not 100% sure what causes it but it seems to occur more readily when I transfer into or otherwise use my KolabNow account.  If I avoid KolabNow and only interact with my Gmail and Hotmail account, it seems to not occur (or at least not as quickly)  

One possible unique case is that I&apos;m running RAM from two different manufactures and two different sizes (2x 8GB and 2x 4GB).  This doesn&apos;t seem to cause issues on any other software.  

Please let me know if I can provide any further information.  Thanks!

The crash can be reproduced every time.

-- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
Using host libthread_db library &quot;/lib/x86_64-linux-gnu/libthread_db.so.1&quot;.
[Current thread is 1 (Thread 0x7fe5d7930bc0 (LWP 22543))]

Thread 25 (Thread 0x7fe4befa4700 (LWP 26711)):
#0  __GI___pthread_getspecific (key=&lt;optimized out&gt;) at pthread_getspecific.c:65
#1  0x00007fe5cdc9f5f0 in g_thread_self () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe5cdc7763d in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe5d4d9c15b in QEventDispatcherGlib::processEvents(QFlags&lt;QEventLoop::ProcessEventsFlag&gt;) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fe5d4d3d64a in QEventLoop::exec(QFlags&lt;QEventLoop::ProcessEventsFlag&gt;) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fe5d4b6541a in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fe5d4b66bc2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fe5cfb436db in start_thread (arg=0x7fe4befa4700) at pthread_create.c:463
#8  0x00007fe5d424e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 24 (Thread 0x7fe494e16700 (LWP 26709)):
#0  0x00007fe5d423d0b4 in __GI___libc_read (fd=84, buf=0x7fe494e157d0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007fe5cdcbbcd0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe5cdc77027 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe5cdc774e0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fe5cdc7764c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fe5d4d9c15b in QEventDispatcherGlib::processEvents(QFlags&lt;QEventLoop::ProcessEventsFlag&gt;) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fe5d4d3d64a in QEventLoop::exec(QFlags&lt;QEventLoop::ProcessEventsFlag&gt;) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fe5d4b6541a in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fe5d4b66bc2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fe5cfb436db in start_thread (arg=0x7fe494e16700) at pthread_create.c:463
#10 0x00007fe5d424e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 23 (Thread 0x7fe4a6c0f700 (LWP 26673)):
#0  0x00007fe5cfb49ed9 in futex_reltimed_wait_cancelable (private=&lt;optimized out&gt;, reltime=0x7fe4a6c0e710, expected=0, futex_word=0x7fe4a6c0e8f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7fe4a6c0e7b0, mutex=0x7fe4a6c0e8a8, cond=0x7fe4a6c0e8d0) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7fe4a6c0e8d0, mutex=0x7fe4a6c0e8a8, abstime=0x7fe4a6c0e7b0) at pthread_cond_wait.c:667
#3  0x00007fe5c51a9177 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fe5c51a9ada in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fe5c51a9bc2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fe5c5167851 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fe5c516a387 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fe5c516a974 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fe5c51abcd1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fe5cfb436db in start_thread (arg=0x7fe4a6c0f700) at pthread_create.c:463
#11 0x00007fe5d424e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 22 (Thread 0x7fe47e92d700 (LWP 26672)):
#0  0x00007fe5cfb49ed9 in futex_reltimed_wait_cancelable (private=&lt;optimized out&gt;, reltime=0x7fe47e92c710, expected=0, futex_word=0x7fe47e92c8f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7fe47e92c7b0, mutex=0x7fe47e92c8a8, cond=0x7fe47e92c8d0) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7fe47e92c8d0, mutex=0x7fe47e92c8a8, abstime=0x7fe47e92c7b0) at pthread_cond_wait.c:667
#3  0x00007fe5c51a9177 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fe5c51a9ada in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fe5c51a9bc2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fe5c5167851 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fe5c516a6b6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fe5c516a974 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fe5c51abcd1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fe5cfb436db in start_thread (arg=0x7fe47e92d700) at pthread_create.c:463
#11 0x00007fe5d424e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7fe473225700 (LWP 26671)):
#0  0x00007fe5cfb49ed9 in futex_reltimed_wait_cancelable (private=&lt;optimized out&gt;, reltime=0x7fe473224710, expected=0, futex_word=0x7fe4732248f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7fe4732247b0, mutex=0x7fe4732248a8, cond=0x7fe4732248d0) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7fe4732248d0, mutex=0x7fe4732248a8, abstime=0x7fe4732247b0) at pthread_cond_wait.c:667
#3  0x00007fe5c51a9177 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fe5c51a9ada in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fe5c51a9bc2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fe5c5167851 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fe5c516a6b6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fe5c516a974 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fe5c51abcd1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fe5cfb436db in start_thread (arg=0x7fe473225700) at pthread_create.c:463
#11 0x00007fe5d424e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7fe46f296700 (LWP 24230)):
#0  0x00007fe5cfb49ed9 in futex_reltimed_wait_cancelable (private=&lt;optimized out&gt;, reltime=0x7fe46f295710, expected=0, futex_word=0x7fe46f2958f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7fe46f2957b0, mutex=0x7fe46f2958a8, cond=0x7fe46f2958d0) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7fe46f2958d0, mutex=0x7fe46f2958a8, abstime=0x7fe46f2957b0) at pthread_cond_wait.c:667
#3  0x00007fe5c51a9177 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fe5c51a9ada in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fe5c51a9bc2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fe5c5167851 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fe5c516a6b6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fe5c516a974 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fe5c51abcd1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fe5cfb436db in start_thread (arg=0x7fe46f296700) at pthread_create.c:463
#11 0x00007fe5d424e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7fe486f01700 (LWP 22732)):
#0  0x00007fe5d423d0b4 in __GI___libc_read (fd=130, buf=0x7fe486f007d0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007fe5cdcbbcd0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe5cdc77027 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe5cdc774e0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fe5cdc7764c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fe5d4d9c15b in QEventDispatcherGlib::processEvents(QFlags&lt;QEventLoop::ProcessEventsFlag&gt;) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fe5d4d3d64a in QEventLoop::exec(QFlags&lt;QEventLoop::ProcessEventsFlag&gt;) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fe5d4b6541a in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fe5d4b66bc2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fe5cfb436db in start_thread (arg=0x7fe486f01700) at pthread_create.c:463
#10 0x00007fe5d424e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7fe4a640e700 (LWP 22587)):
#0  0x00007fe5d4241bf9 in __GI___poll (fds=0x7fe49c008030, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fe5cdc77539 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe5cdc7764c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe5d4d9c15b in QEventDispatcherGlib::processEvents(QFlags&lt;QEventLoop::ProcessEventsFlag&gt;) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fe5d4d3d64a in QEventLoop::exec(QFlags&lt;QEventLoop::ProcessEventsFlag&gt;) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fe5d4b6541a in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fe5d4b66bc2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fe5cfb436db in start_thread (arg=0x7fe4a640e700) at pthread_create.c:463
#8  0x00007fe5d424e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7fe4a7aae700 (LWP 22585)):
#0  0x00007fe5d4241bf9 in __GI___poll (fds=0x7fe4a0004a10, nfds=1, timeout=9893) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fe5cdc77539 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe5cdc7764c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe5d4d9c15b in QEventDispatcherGlib::processEvents(QFlags&lt;QEventLoop::ProcessEventsFlag&gt;) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fe5d4d3d64a in QEventLoop::exec(QFlags&lt;QEventLoop::ProcessEventsFlag&gt;) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fe5d4b6541a in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fe5d4b66bc2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fe5cfb436db in start_thread (arg=0x7fe4a7aae700) at pthread_create.c:463
#8  0x00007fe5d424e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7fe4bdfa2700 (LWP 22570)):
#0  0x00007fe5cfb499f3 in futex_wait_cancelable (private=&lt;optimized out&gt;, expected=0, futex_word=0x7fe4bdfa1908) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7fe4bdfa18b8, cond=0x7fe4bdfa18e0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7fe4bdfa18e0, mutex=0x7fe4bdfa18b8) at pthread_cond_wait.c:655
#3  0x00007fe5c51a90a9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fe5c51a9ae8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fe5c51a9b7f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fe5c5167868 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fe5c516a6b6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fe5c516a9f4 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fe5c51abcd1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fe5cfb436db in start_thread (arg=0x7fe4bdfa2700) at pthread_create.c:463
#11 0x00007fe5d424e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7fe4be7a3700 (LWP 22569)):
#0  __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007fe5d425f474 in ___fprintf_chk (fp=0x7fe5d451a8b0 &lt;_IO_stdfile_2_lock&gt;, flag=1, format=0x7fe5bc7b06a8 &quot;[%s] %s\n&quot;) at fprintf_chk.c:30
#2  0x00007fe5bc7989ad in event_logv_ () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007fe5bc798b44 in event_warn () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007fe5bc79a46c in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007fe5bc790114 in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007fe5c51af8c4 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fe5c514649b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fe5c5178d21 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fe5c51abcd1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fe5cfb436db in start_thread (arg=0x7fe4be7a3700) at pthread_create.c:463
#11 0x00007fe5d424e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7fe53ffff700 (LWP 22567)):
#0  0x00007fe5cfb499f3 in futex_wait_cancelable (private=&lt;optimized out&gt;, expected=0, futex_word=0x7fe5bded6fb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7fe5bded6f68, cond=0x7fe5bded6f90) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7fe5bded6f90, mutex=0x7fe5bded6f68) at pthread_cond_wait.c:655
#3  0x00007fe5bdbe0844 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4  0x00007fe5bdbe0889 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5  0x00007fe5cfb436db in start_thread (arg=0x7fe53ffff700) at pthread_create.c:463
#6  0x00007fe5d424e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7fe568f56700 (LWP 22566)):
#0  0x00007fe5d4241bf9 in __GI___poll (fds=0x7fe548007030, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fe59c235481 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#2  0x00007fe59c226e40 in pa_mainloop_poll () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007fe59c2274d0 in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007fe59c227560 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007fe59c2353c9 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007fe58c5cd318 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#7  0x00007fe5cfb436db in start_thread (arg=0x7fe568f56700) at pthread_create.c:463
#8  0x00007fe5d424e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7fe569ffb700 (LWP 22565)):
#0  0x00007fe5d423d187 in __GI___libc_write (fd=2, buf=0x7fe569ff7c40, nbytes=39) at ../sysdeps/unix/sysv/linux/write.c:27
#1  0x00007fe5d41b81bd in _IO_new_file_write (f=0x7fe5d4519680 &lt;_IO_2_1_stderr_&gt;, data=0x7fe569ff7c40, n=39) at fileops.c:1203
#2  0x00007fe5d41b8b2f in new_do_write (to_do=&lt;optimized out&gt;, data=0x7fe569ff7c40 &quot;[warn] epoll_wait: Bad file descriptor\n&quot;, fp=0x7fe5d4519680 &lt;_IO_2_1_stderr_&gt;) at fileops.c:457
#3  _IO_new_file_xsputn (f=0x7fe5d4519680 &lt;_IO_2_1_stderr_&gt;, data=&lt;optimized out&gt;, n=39) at fileops.c:1277
#4  0x00007fe5d418b707 in buffered_vfprintf (s=s@entry=0x7fe5d4519680 &lt;_IO_2_1_stderr_&gt;, format=format@entry=0x7fe5bc7b06a8 &quot;[%s] %s\n&quot;, args=args@entry=0x7fe569ffa200) at vfprintf.c:2350
#5  0x00007fe5d4188726 in _IO_vfprintf_internal (s=s@entry=0x7fe5d4519680 &lt;_IO_2_1_stderr_&gt;, format=0x7fe5bc7b06a8 &quot;[%s] %s\n&quot;, ap=ap@entry=0x7fe569ffa200) at vfprintf.c:1301
#6  0x00007fe5d425f4c6 in ___fprintf_chk (fp=0x7fe5d4519680 &lt;_IO_2_1_stderr_&gt;, flag=1, format=&lt;optimized out&gt;) at fprintf_chk.c:35
#7  0x00007fe5bc7989ad in event_logv_ () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#8  0x00007fe5bc798b44 in event_warn () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#9  0x00007fe5bc79a46c in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#10 0x00007fe5bc790114 in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#11 0x00007fe5c51af789 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007fe5c514649b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007fe5c5178d21 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#14 0x00007fe5c51abcd1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#15 0x00007fe5cfb436db in start_thread (arg=0x7fe569ffb700) at pthread_create.c:463
#16 0x00007fe5d424e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7fe56a7fc700 (LWP 22564)):
#0  _int_free (have_lock=0, p=0x563ede87b6b0, av=0x7fe5d4518c40 &lt;main_arena&gt;) at malloc.c:4244
#1  __GI___libc_free (mem=0x563ede87b6c0) at malloc.c:3124
#2  0x00007fe5d26c4c80 in KIconTheme::~KIconTheme() () from /usr/lib/x86_64-linux-gnu/libKF5IconThemes.so.5
#3  0x00007fe5d26b7ed1 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5IconThemes.so.5
#4  0x00007fe5d26be128 in KIconLoader::~KIconLoader() () from /usr/lib/x86_64-linux-gnu/libKF5IconThemes.so.5
#5  0x00007fe5d26be539 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5IconThemes.so.5
#6  0x00007fe5d4170041 in __run_exit_handlers (status=1, listp=0x7fe5d4518718 &lt;__exit_funcs&gt;, run_list_atexit=run_list_atexit@entry=true, run_dtors=run_dtors@entry=true) at exit.c:108
#7  0x00007fe5d417013a in __GI_exit (status=&lt;optimized out&gt;) at exit.c:139
#8  0x00007fe5d1537775 in _XDefaultIOError () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#9  0x00007fe5aa47580a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#10 0x00007fe5d153799e in _XIOError () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#11 0x00007fe5d1535a81 in _XReply () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#12 0x00007fe5a21eb418 in ?? () from /usr/lib/x86_64-linux-gnu/libGLX_nvidia.so.0
#13 0x00007fe5a21e9b73 in ?? () from /usr/lib/x86_64-linux-gnu/libGLX_nvidia.so.0
#14 0x00007fe5c1abca53 in ?? () from /usr/lib/x86_64-linux-gnu/libGLX.so.0
#15 0x00007fe5c1abdedb in ?? () from /usr/lib/x86_64-linux-gnu/libGLX.so.0
#16 0x00007fe5c582f905 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#17 0x00007fe5c5b6dc31 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#18 0x00007fe5c79a7f9c in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#19 0x00007fe5c79a8463 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#20 0x00007fe5c79b3701 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#21 0x00007fe5c79af54f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#22 0x00007fe5c79af711 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#23 0x00007fe5c79afa6b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#24 0x00007fe5c79b0085 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#25 0x00007fe5c5103133 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#26 0x00007fe5c5128c2a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#27 0x00007fe5c51292ef in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#28 0x00007fe5c5129478 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#29 0x00007fe5c5123b11 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#30 0x00007fe5c514649b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#31 0x00007fe5c5178d21 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#32 0x00007fe5c51abcd1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#33 0x00007fe5cfb436db in start_thread (arg=0x7fe56a7fc700) at pthread_create.c:463
#34 0x00007fe5d424e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7fe56affd700 (LWP 22563)):
#0  0x00007fe5cfb49ed9 in futex_reltimed_wait_cancelable (private=&lt;optimized out&gt;, reltime=0x7fe56affc700, expected=0, futex_word=0x7fe56affc8e8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7fe56affc7a0, mutex=0x7fe56affc898, cond=0x7fe56affc8c0) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7fe56affc8c0, mutex=0x7fe56affc898, abstime=0x7fe56affc7a0) at pthread_cond_wait.c:667
#3  0x00007fe5c51a9177 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fe5c51a9ada in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fe5c5123b70 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fe5c514649b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fe5c5178d21 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fe5c51abcd1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fe5cfb436db in start_thread (arg=0x7fe56affd700) at pthread_create.c:463
#10 0x00007fe5d424e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7fe56b7fe700 (LWP 22562)):
#0  0x00007fe5cfb499f3 in futex_wait_cancelable (private=&lt;optimized out&gt;, expected=0, futex_word=0x563ede66f2e8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x563ede66f228, cond=0x563ede66f2c0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x563ede66f2c0, mutex=0x563ede66f228) at pthread_cond_wait.c:655
#3  0x00007fe5c51a90a9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fe5c5a72b28 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fe5c517a2df in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fe5c51abcd1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fe5cfb436db in start_thread (arg=0x7fe56b7fe700) at pthread_create.c:463
#8  0x00007fe5d424e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7fe56bfff700 (LWP 22561)):
#0  0x00007fe5cfb499f3 in futex_wait_cancelable (private=&lt;optimized out&gt;, expected=0, futex_word=0x7fe56bffe908) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7fe56bffe8b8, cond=0x7fe56bffe8e0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7fe56bffe8e0, mutex=0x7fe56bffe8b8) at pthread_cond_wait.c:655
#3  0x00007fe5c51a90a9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fe5c51a9ae8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fe5c51a9b7f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fe5c5167868 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fe5c516a6b6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fe5c516a9b4 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fe5c51abcd1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fe5cfb436db in start_thread (arg=0x7fe56bfff700) at pthread_create.c:463
#11 0x00007fe5d424e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fe58cff9700 (LWP 22560)):
#0  __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007fe5d425f474 in ___fprintf_chk (fp=0x7fe5d451a8b0 &lt;_IO_stdfile_2_lock&gt;, flag=1, format=0x7fe5bc7b06a8 &quot;[%s] %s\n&quot;) at fprintf_chk.c:30
#2  0x00007fe5bc7989ad in event_logv_ () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007fe5bc798b44 in event_warn () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007fe5bc79a46c in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007fe5bc790114 in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007fe5c51af789 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fe5c514649b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fe5c4afe754 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fe5c5178e78 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fe5c51abcd1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007fe5cfb436db in start_thread (arg=0x7fe58cff9700) at pthread_create.c:463
#12 0x00007fe5d424e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fe58effd700 (LWP 22556)):
#0  0x00007fe5cfb49ed9 in futex_reltimed_wait_cancelable (private=&lt;optimized out&gt;, reltime=0x7fe58effc710, expected=0, futex_word=0x7fe58effc8f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7fe58effc7b0, mutex=0x7fe58effc8a8, cond=0x7fe58effc8d0) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7fe58effc8d0, mutex=0x7fe58effc8a8, abstime=0x7fe58effc7b0) at pthread_cond_wait.c:667
#3  0x00007fe5c51a9177 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fe5c51a9ada in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fe5c51a9bc2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fe5c5167851 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fe5c516a6b6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fe5c516a974 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fe5c51abcd1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fe5cfb436db in start_thread (arg=0x7fe58effd700) at pthread_create.c:463
#11 0x00007fe5d424e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fe58f7fe700 (LWP 22555)):
#0  __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007fe5d425f474 in ___fprintf_chk (fp=0x7fe5d451a8b0 &lt;_IO_stdfile_2_lock&gt;, flag=1, format=0x7fe5bc7b06a8 &quot;[%s] %s\n&quot;) at fprintf_chk.c:30
#2  0x00007fe5bc7989ad in event_logv_ () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007fe5bc798b44 in event_warn () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007fe5bc79a46c in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007fe5bc790114 in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007fe5c51af8c4 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fe5c514649b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fe5c516df44 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fe5c5178e78 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fe5c51abcd1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007fe5cfb436db in start_thread (arg=0x7fe58f7fe700) at pthread_create.c:463
#12 0x00007fe5d424e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fe59cd06700 (LWP 22553)):
#0  __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007fe5d425f474 in ___fprintf_chk (fp=0x7fe5d451a8b0 &lt;_IO_stdfile_2_lock&gt;, flag=1, format=0x7fe5bc7b06a8 &quot;[%s] %s\n&quot;) at fprintf_chk.c:30
#2  0x00007fe5bc7989ad in event_logv_ () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007fe5bc798b44 in event_warn () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007fe5bc79a46c in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007fe5bc790114 in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007fe5c51af789 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fe5c514649b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fe5c5178d21 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fe5c51abcd1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fe5cfb436db in start_thread (arg=0x7fe59cd06700) at pthread_create.c:463
#11 0x00007fe5d424e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fe59f9d7700 (LWP 22546)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fe5d4b69319 in QSemaphore::release(int) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fe5d4d6bdee in QMetaCallEvent::~QMetaCallEvent() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007fe5d4d6be29 in QMetaCallEvent::~QMetaCallEvent() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fe5d4d41e91 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fe5d4d9cb23 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fe5cdc77387 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007fe5cdc775c0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007fe5cdc7764c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007fe5d4d9c13f in QEventDispatcherGlib::processEvents(QFlags&lt;QEventLoop::ProcessEventsFlag&gt;) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fe5d4d3d64a in QEventLoop::exec(QFlags&lt;QEventLoop::ProcessEventsFlag&gt;) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007fe5d4b6541a in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007fe5d3486015 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#13 0x00007fe5d4b66bc2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007fe5cfb436db in start_thread (arg=0x7fe59f9d7700) at pthread_create.c:463
#15 0x00007fe5d424e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fe5a9781700 (LWP 22545)):
#0  0x00007fe5d4241bf9 in __GI___poll (fds=0x7fe5a97808f8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fe5d0172747 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fe5d017436a in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fe5aa47432a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007fe5d4b66bc2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fe5cfb436db in start_thread (arg=0x7fe5a9781700) at pthread_create.c:463
#6  0x00007fe5d424e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fe5d7930bc0 (LWP 22543)):
[KCrash Handler]
#6  0x00007fe5d2b69a44 in QWebEngineView::page() const () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineWidgets.so.5
#7  0x00007fe5d2b69b61 in QWebEngineView::setHtml(QString const&amp;, QUrl const&amp;) () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineWidgets.so.5
#8  0x00007fe4aa7ea51f in MessageViewer::ViewerPrivate::displaySplashPage(QString const&amp;, QHash&lt;QString, QVariant&gt; const&amp;, QByteArray const&amp;) () from /usr/lib/x86_64-linux-gnu/libKF5MessageViewer.so.5
#9  0x00007fe4aa7ea9b4 in MessageViewer::ViewerPrivate::displaySplashPage(QString const&amp;) () from /usr/lib/x86_64-linux-gnu/libKF5MessageViewer.so.5
#10 0x00007fe4aa7ee653 in MessageViewer::ViewerPrivate::itemFetchResult(KJob*) () from /usr/lib/x86_64-linux-gnu/libKF5MessageViewer.so.5
#11 0x00007fe5d4d6ef3f in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007fe5d64c008c in KJob::result(KJob*, KJob::QPrivateSignal) () from /usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#13 0x00007fe5d64c0bc1 in KJob::finishJob(bool) () from /usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#14 0x00007fe5d64c0c22 in KJob::kill(KJob::KillVerbosity) () from /usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#15 0x00007fe5d3b5a001 in Akonadi::SessionPrivate::clear(bool) () from /usr/lib/x86_64-linux-gnu/libKF5AkonadiCore.so.5
#16 0x00007fe5d3b5a0bd in Akonadi::Session::~Session() () from /usr/lib/x86_64-linux-gnu/libKF5AkonadiCore.so.5
#17 0x00007fe5d3b5a0e9 in Akonadi::Session::~Session() () from /usr/lib/x86_64-linux-gnu/libKF5AkonadiCore.so.5
#18 0x00007fe5d4d6c9fb in QObjectPrivate::deleteChildren() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007fe5d4d764fb in QObject::~QObject() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007fe4aa7e77a9 in MessageViewer::ViewerPrivate::~ViewerPrivate() () from /usr/lib/x86_64-linux-gnu/libKF5MessageViewer.so.5
#21 0x00007fe5d4d6c9fb in QObjectPrivate::deleteChildren() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007fe5d5b7119c in QWidget::~QWidget() () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#23 0x00007fe4aa7dae09 in MessageViewer::Viewer::~Viewer() () from /usr/lib/x86_64-linux-gnu/libKF5MessageViewer.so.5
#24 0x00007fe5d4d6c9fb in QObjectPrivate::deleteChildren() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007fe5d5b7119c in QWidget::~QWidget() () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#26 0x00007fe4ac363d29 in KMReaderWin::~KMReaderWin() () from /usr/lib/x86_64-linux-gnu/libkmailprivate.so.5
#27 0x00007fe5d4d6c9fb in QObjectPrivate::deleteChildren() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x00007fe5d5b7119c in QWidget::~QWidget() () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#29 0x00007fe5d5cd7379 in QSplitter::~QSplitter() () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#30 0x00007fe5d4d6c9fb in QObjectPrivate::deleteChildren() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#31 0x00007fe5d5b7119c in QWidget::~QWidget() () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#32 0x00007fe5d5cd7379 in QSplitter::~QSplitter() () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#33 0x00007fe4ac39b823 in KMMainWidget::deleteWidgets() () from /usr/lib/x86_64-linux-gnu/libkmailprivate.so.5
#34 0x00007fe4ac3b5cd1 in KMMainWidget::destruct() () from /usr/lib/x86_64-linux-gnu/libkmailprivate.so.5
#35 0x00007fe4ac76b7f6 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/kmailpart.so
#36 0x00007fe4ac76b959 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/kmailpart.so
#37 0x00007fe5d7138e3e in KontactInterface::Plugin::~Plugin() () from /usr/lib/x86_64-linux-gnu/libKF5KontactInterface.so.5
#38 0x00007fe4ae2b4646 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/kontact_kmailplugin.so
#39 0x00007fe4ae2b4669 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/kontact_kmailplugin.so
#40 0x00007fe5d7363db6 in Kontact::MainWindow::~MainWindow() () from /usr/lib/x86_64-linux-gnu/libkontactprivate.so.5
#41 0x00007fe5d7363fa9 in Kontact::MainWindow::~MainWindow() () from /usr/lib/x86_64-linux-gnu/libkontactprivate.so.5
#42 0x00007fe5d4d6f9b0 in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#43 0x00007fe5d5b75f4b in QWidget::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#44 0x00007fe5d5c7e030 in QMainWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#45 0x00007fe5d6c90b61 in KMainWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#46 0x00007fe5d6cd69c5 in KXmlGuiWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#47 0x00007fe5d5b3583c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#48 0x00007fe5d5b3cdd0 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#49 0x00007fe5d4d3f328 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#50 0x00007fe5d4d41e87 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#51 0x00007fe5d4d9cb23 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#52 0x00007fe5cdc77387 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#53 0x00007fe5cdc775c0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#54 0x00007fe5cdc7764c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#55 0x00007fe5d4d9c13f in QEventDispatcherGlib::processEvents(QFlags&lt;QEventLoop::ProcessEventsFlag&gt;) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#56 0x00007fe5d4d3d64a in QEventLoop::exec(QFlags&lt;QEventLoop::ProcessEventsFlag&gt;) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#57 0x00007fe5d4d46800 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#58 0x0000563edd7024c5 in ?? ()
#59 0x00007fe5d414eb97 in __libc_start_main (main=0x563edd7016b0, argc=1, argv=0x7ffdb014ec88, init=&lt;optimized out&gt;, fini=&lt;optimized out&gt;, rtld_fini=&lt;optimized out&gt;, stack_end=0x7ffdb014ec78) at ../csu/libc-start.c:310
#60 0x0000563edd702aea in _start ()

The reporter indicates this bug may be a duplicate of or related to bug 400581, bug 405990.

Possible duplicates by query: bug 405990, bug 404440.

Reported using DrKonqi</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1848768</commentid>
    <comment_count>1</comment_count>
    <who name="afogl001">afogl001</who>
    <bug_when>2019-04-05 14:05:29 +0000</bug_when>
    <thetext>NOTE: I&apos;m on Kontact version 5.10.1.  I&apos;ve preformed multiple update attempts but 5.10.3 doesn&apos;t seem to be available for my version of Neon.

I noticed this only seems to be an issue with one of my email accounts (KolabNow).  The other two (Gmail and Hotmail) seem to work fine.  

In my akonadi log, I see LOTS of entries similar to this;
  org.kde.pim.akonadiserver: Payload file  &quot;/home/&lt;user&gt;/.local/share/akonadi/file_db_data/26/56126_r67&quot;  could not be open for reading!
  org.kde.pim.akonadiserver: Error:  &quot;No such file or directory&quot;

I can provide full logs if that would help.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1849461</commentid>
    <comment_count>2</comment_count>
    <who name="afogl001">afogl001</who>
    <bug_when>2019-04-09 14:22:41 +0000</bug_when>
    <thetext>More interesting logs I noticed, which might be more closely related to the root cause of the problem;

org.kde.pim.akonadiserver: Multiple merge candidates:
org.kde.pim.akonadiserver:      ID: 18950 , RID: &quot;3667&quot; , GID: &quot;&quot; , Collection: &quot;Trash&quot; ( 145 ) , Resource: &quot;akonadi_kolab_resource_2&quot; ( 10 )
org.kde.pim.akonadiserver:      ID: 18984 , RID: &quot;3667&quot; , GID: &quot;&quot; , Collection: &quot;Trash&quot; ( 145 ) , Resource: &quot;akonadi_kolab_resource_2&quot; ( 10 )
org.kde.pim.akonadiserver: Error while handling command CreateItem on connection akonadi_kolab_resource_2 (0x5585e1210a70)
org.kde.pim.akonadicore: Creating/updating items from the akonadi database failed: &quot;Multiple merge candidates, aborting&quot;
org.kde.pim.akonadicore: Error during ItemSync:  &quot;Multiple merge candidates, aborting&quot;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1850461</commentid>
    <comment_count>3</comment_count>
    <who name="afogl001">afogl001</who>
    <bug_when>2019-04-15 13:07:16 +0000</bug_when>
    <thetext>I seem to have fixed the issue by recreating my Kolab account as a generic IMAP server instead of the Kolab Groupware (which was setup in a unique way since there&apos;s another bug that prevents username/password from being entered when configuring Kolab Groupware via Kmail.  Account was set up in the Notes section of Kontact then updated in Kmail settings)</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1851290</commentid>
    <comment_count>4</comment_count>
    <who name="Christoph Feck">cfeck</who>
    <bug_when>2019-04-19 11:49:39 +0000</bug_when>
    <thetext>

*** This bug has been marked as a duplicate of bug 400581 ***</thetext>
  </long_desc>
      
      

    </bug>

</bugzilla>