Here it is
I had to install gdb
Code:
[roger@lenovo Bureau]$ ./sigil-debug
GNU gdb (GDB) 8.0.1
Copyright (C) 2017 Free Software Foundation, Inc.
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Reading symbols from /usr/lib/sigil/sigil...(no debugging symbols found)...done.
(gdb) run
Starting program: /usr/lib/sigil/sigil
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[New Thread 0x7fffe5915700 (LWP 10296)]
[New Thread 0x7fffe1722700 (LWP 10297)]
Debug: using qt5ct plugin
[New Thread 0x7fffd6baa700 (LWP 10298)]
Warning: libpng warning: iCCP: known incorrect sRGB profile
Warning: libpng warning: iCCP: known incorrect sRGB profile
Debug: D-Bus system tray: no
[New Thread 0x7fffd49ff700 (LWP 10299)]
Debug: D-Bus global menu: no
*** Error in `/usr/lib/sigil/sigil': free(): invalid pointer: 0x00007fff8f7313c0 ***
Thread 1 "sigil" received signal SIGABRT, Aborted.
0x00007ffff1ad68a0 in raise () from /usr/lib/libc.so.6
(gdb)