[kmail2] [Bug 369856] New: kmail crash on start [Thread 3 "QDBusConnection" received signal SIGSEGV]

[PLX via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=369856

            Bug ID: 369856
           Summary: kmail crash on start [Thread 3 "QDBusConnection"
                    received signal SIGSEGV]
           Product: kmail2
           Version: 5.3.0
          Platform: Other
                OS: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: kdepim-bugs at kde.org
          Reporter: kde at pmc.com.pt

kmail crash on start.

I have just updated my system from "Mageia 5" to "Mageia 6" and kmail from
"4.14.5" to "kmail2 5.3.0 (QtWebEngine)".

This is the backtrace produced by gdb:

Thread 3 "QDBusConnection" received signal SIGSEGV, Segmentation fault.
(gdb) bt
#0  0x00007ffff5e369d7 in QObject::disconnect(QObject const*, char const*,
QObject const*, char const*) () at /lib64/libQt5Core.so.5
#1  0x00007ffff7f664d0 in QDBusConnectionPrivate::closeConnection() () at
/lib64/libQt5DBus.so.5
#2  0x00007ffff7f546f6 in QDBusConnectionManager::run() () at
/lib64/libQt5DBus.so.5
#3  0x00007ffff5c43fb9 in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#4  0x00007fffebd9e66d in start_thread () at /lib64/libpthread.so.0
#5  0x00007ffff5346ded in clone () at /lib64/libc.so.6


Reproducible: Always

Steps to Reproduce:
1. Run kmail

Actual Results:  
kmail crashed on start.

Expected Results:  
kmail starts normally.

The only way I found to work around this crash was to delete all kmail and
akonady (data and config) files and reconfigure all again.

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