Yes, the issue is still there:
Code:
ps@ps-Inspiron-3650:~$ CALIBRE_CONFIG_DIRECTORY=/tmp/cc calibre-debug -t
Not controlling automatic hidpi scaling
devicePixelRatio: 1.0
logicalDpi: 100.968944099 x 100.852941176
physicalDpi: 102.453781513 x 102.358208955
Using calibre Qt style: True
['kdialog', '--title', 'Scegli il libro', '--desktopfile', 'calibre-gui', '--attach', '65011730', '--getopenfilename', '/home/ps', 'Libri (*.epub *.azw3)']
Errore di segmentazione (core dump creato)
ps@ps-Inspiron-3650:~$ echo bt | coredumpctl gdb
PID: 2497 (open_book)
UID: 1000 (ps)
GID: 1000 (ps)
Signal: 11 (SEGV)
Timestamp: Sun 2019-10-13 20:20:28 CEST (26s ago)
Command Line: /opt/calibre/bin/calibre-debug -t
Executable: /opt/calibre/bin/calibre-debug
Control Group: /user.slice/user-1000.slice/session-3.scope
Unit: session-3.scope
Slice: user-1000.slice
Session: 3
Owner UID: 1000 (ps)
Boot ID: c9f59298119748c0825364741d8e325d
Machine ID: 511f79f717f34fabbda1f4c6b7101b7d
Hostname: ps-Inspiron-3650
Storage: /var/lib/systemd/coredump/core.open_book.1000.c9f59298119748c0825364741d8e325d.2497.1570990828000000.lz4
Message: Process 2497 (open_book) of user 1000 dumped core.
Stack trace of thread 2497:
#0 0x00007f6b0524c779 _ZNK11QTextFormat14stringPropertyEi (libQt5Gui.so.5)
#1 0x00007f6b057668b7 n/a (QtGui.so)
#2 0x00007f6b0fae2a35 PyEval_EvalFrameEx (libpython2.7.so.1.0)
#3 0x00007f6b0fae4fbc PyEval_EvalCodeEx (libpython2.7.so.1.0)
#4 0x00007f6b0fae1404 PyEval_EvalFrameEx (libpython2.7.so.1.0)
#5 0x00007f6b0fae4fbc PyEval_EvalCodeEx (libpython2.7.so.1.0)
#6 0x00007f6b0fa59c6c n/a (libpython2.7.so.1.0)
#7 0x00007f6b0fa272b3 PyObject_Call (libpython2.7.so.1.0)
#8 0x00007f6b0fa3908c n/a (libpython2.7.so.1.0)
#9 0x00007f6b0fa272b3 PyObject_Call (libpython2.7.so.1.0)
#10 0x00007f6b0fadb087 PyEval_CallObjectWithKeywords (libpython2.7.so.1.0)
#11 0x00007f6b05bbe6dd n/a (sip.so)
#12 0x00007f6b05bbe919 n/a (sip.so)
#13 0x00007f6b039cffcb n/a (QtWidgets.so)
#14 0x00007f6b03ac3d9b n/a (QtWidgets.so)
#15 0x00007f6b0335dd3c _ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent (libQt5Widgets.so.5)
#16 0x00007f6b033660a6 _ZN12QApplication6notifyEP7QObjectP6QEvent (libQt5Widgets.so.5)
#17 0x00007f6b03c088be n/a (QtWidgets.so)
#18 0x00007f6b06061728 _ZN16QCoreApplication15notifyInternal2EP7QObjectP6QEvent (libQt5Core.so.5)
#19 0x00007f6b03363c31 _ZN12QApplication5eventEP6QEvent (libQt5Widgets.so.5)
#20 0x00007f6b03c08c0c n/a (QtWidgets.so)
#21 0x00007f6b0fae2a35 PyEval_EvalFrameEx (libpython2.7.so.1.0)
#22 0x00007f6b0fae4fbc PyEval_EvalCodeEx (libpython2.7.so.1.0)
#23 0x00007f6b0fa59c6c n/a (libpython2.7.so.1.0)
#24 0x00007f6b0fa272b3 PyObject_Call (libpython2.7.so.1.0)
#25 0x00007f6b0fa3908c n/a (libpython2.7.so.1.0)
#26 0x00007f6b0fa272b3 PyObject_Call (libpython2.7.so.1.0)
#27 0x00007f6b0fadb087 PyEval_CallObjectWithKeywords (libpython2.7.so.1.0)
#28 0x00007f6b05bbe6dd n/a (sip.so)
#29 0x00007f6b05bbe919 n/a (sip.so)
#30 0x00007f6b039cffcb n/a (QtWidgets.so)
#31 0x00007f6b03c08adb n/a (QtWidgets.so)
#32 0x00007f6b0335dd3c _ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent (libQt5Widgets.so.5)
#33 0x00007f6b033653d0 _ZN12QApplication6notifyEP7QObjectP6QEvent (libQt5Widgets.so.5)
#34 0x00007f6b03c088be n/a (QtWidgets.so)
#35 0x00007f6b06061728 _ZN16QCoreApplication15notifyInternal2EP7QObjectP6QEvent (libQt5Core.so.5)
#36 0x00007f6b060bbe39 _ZN14QTimerInfoList14activateTimersEv (libQt5Core.so.5)
#37 0x00007f6b060bc6c1 n/a (libQt5Core.so.5)
#38 0x00007f6b06defdb7 g_main_context_dispatch (libglib-2.0.so.0)
#39 0x00007f6b06df00c8 n/a (libglib-2.0.so.0)
#40 0x00007f6b06df02ac g_main_context_iteration (libglib-2.0.so.0)
#41 0x00007f6b060bca8f _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5)
#42 0x00007f6b0605fbd2 _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5)
#43 0x00007f6b06068c34 _ZN16QCoreApplication4execEv (libQt5Core.so.5)
#44 0x00007f6b03b7d30b n/a (QtWidgets.so)
#45 0x00007f6b0fae2a35 PyEval_EvalFrameEx (libpython2.7.so.1.0)
#46 0x00007f6b0fae4fbc PyEval_EvalCodeEx (libpython2.7.so.1.0)
#47 0x00007f6b0fae1404 PyEval_EvalFrameEx (libpython2.7.so.1.0)
#48 0x00007f6b0fae4fbc PyEval_EvalCodeEx (libpython2.7.so.1.0)
#49 0x00007f6b0fae1404 PyEval_EvalFrameEx (libpython2.7.so.1.0)
#50 0x00007f6b0fae4fbc PyEval_EvalCodeEx (libpython2.7.so.1.0)
#51 0x00007f6b0fae1404 PyEval_EvalFrameEx (libpython2.7.so.1.0)
#52 0x00007f6b0fae4fbc PyEval_EvalCodeEx (libpython2.7.so.1.0)
#53 0x00007f6b0fae1404 PyEval_EvalFrameEx (libpython2.7.so.1.0)
#54 0x00007f6b0fae4fbc PyEval_EvalCodeEx (libpython2.7.so.1.0)
#55 0x00007f6b0fa59c6c n/a (libpython2.7.so.1.0)
#56 0x00007f6b0fa272b3 PyObject_Call (libpython2.7.so.1.0)
#57 0x00007f6b0fadb087 PyEval_CallObjectWithKeywords (libpython2.7.so.1.0)
#58 0x00007f6b10001529 execute_python_entrypoint (libcalibre-launcher.so)
#59 0x0000000000400635 n/a (calibre-debug)
#60 0x00007f6b0fe17b6b __libc_start_main (libc.so.6)
#61 0x0000000000400669 n/a (calibre-debug)
Stack trace of thread 2502:
#0 0x00007f6b0f9c3086 futex_abstimed_wait_cancelable (libpthread.so.0)
#1 0x00007f6b0f9c3178 __new_sem_wait_slow (libpthread.so.0)
#2 0x00007f6b0fb1dbb8 PyThread_acquire_lock (libpython2.7.so.1.0)
#3 0x00007f6b0fb23522 n/a (libpython2.7.so.1.0)
#4 0x00007f6b0fae2a35 PyEval_EvalFrameEx (libpython2.7.so.1.0)
#5 0x00007f6b0fae4fbc PyEval_EvalCodeEx (libpython2.7.so.1.0)
#6 0x00007f6b0fae1404 PyEval_EvalFrameEx (libpython2.7.so.1.0)
#7 0x00007f6b0fae4fbc PyEval_EvalCodeEx (libpython2.7.so.1.0)
#8 0x00007f6b0fae1404 PyEval_EvalFrameEx (libpython2.7.so.1.0)
#9 0x00007f6b0fae4fbc PyEval_EvalCodeEx (libpython2.7.so.1.0)
#10 0x00007f6b0fa59d55 n/a (libpython2.7.so.1.0)
#11 0x00007f6b0fa272b3 PyObject_Call (libpython2.7.so.1.0)
#12 0x00007f6b0fadcbd2 PyEval_EvalFrameEx (libpython2.7.so.1.0)
#13 0x00007f6b0fae1525 PyEval_EvalFrameEx (libpython2.7.so.1.0)
#14 0x00007f6b0fae1525 PyEval_EvalFrameEx (libpython2.7.so.1.0)
#15 0x00007f6b0fae4fbc PyEval_EvalCodeEx (libpython2.7.so.1.0)
#16 0x00007f6b0fa59c6c n/a (libpython2.7.so.1.0)
#17 0x00007f6b0fa272b3 PyObject_Call (libpython2.7.so.1.0)
#18 0x00007f6b0fa3908c n/a (libpython2.7.so.1.0)
#19 0x00007f6b0fa272b3 PyObject_Call (libpython2.7.so.1.0)
#20 0x00007f6b0fadb087 PyEval_CallObjectWithKeywords (libpython2.7.so.1.0)
#21 0x00007f6b0fb23922 n/a (libpython2.7.so.1.0)
#22 0x00007f6b0fb1d907 n/a (libpython2.7.so.1.0)
#23 0x00007f6b0f9ba182 start_thread (libpthread.so.0)
#24 0x00007f6b0ff0eb1f __clone (libc.so.6)
Stack trace of thread 2509:
#0 0x00007f6b0f9c0916 futex_reltimed_wait_cancelable (libpthread.so.0)
#1 0x00007f6afc46e53a n/a (libQt5WebEngineCore.so.5)
#2 0x00007f6afc46efdd n/a (libQt5WebEngineCore.so.5)
#3 0x00007f6afc46f072 n/a (libQt5WebEngineCore.so.5)
#4 0x00007f6afc427831 n/a (libQt5WebEngineCore.so.5)
#5 0x00007f6afc42c011 n/a (libQt5WebEngineCore.so.5)
#6 0x00007f6afc42c3e4 n/a (libQt5WebEngineCore.so.5)
#7 0x00007f6afc4714f4 n/a (libQt5WebEngineCore.so.5)
#8 0x00007f6b0f9ba182 start_thread (libpthread.so.0)
#9 0x00007f6b0ff0eb1f __clone (libc.so.6)
Stack trace of thread 2504:
#0 0x00007f6b0f9c3086 futex_abstimed_wait_cancelable (libpthread.so.0)
#1 0x00007f6b0f9c3178 __new_sem_wait_slow (libpthread.so.0)
#2 0x00007f6b0fb1dbb8 PyThread_acquire_lock (libpython2.7.so.1.0)
#3 0x00007f6b0fb23522 n/a (libpython2.7.so.1.0)
#4 0x00007f6b0fae2a35 PyEval_EvalFrameEx (libpython2.7.so.1.0)
#5 0x00007f6b0fae4fbc PyEval_EvalCodeEx (libpython2.7.so.1.0)
#6 0x00007f6b0fae1404 PyEval_EvalFrameEx (libpython2.7.so.1.0)
#7 0x00007f6b0fae4fbc PyEval_EvalCodeEx (libpython2.7.so.1.0)
#8 0x00007f6b0fae1404 PyEval_EvalFrameEx (libpython2.7.so.1.0)
#9 0x00007f6b0fae4fbc PyEval_EvalCodeEx (libpython2.7.so.1.0)
#10 0x00007f6b0fae1404 PyEval_EvalFrameEx (libpython2.7.so.1.0)
#11 0x00007f6b0fae1525 PyEval_EvalFrameEx (libpython2.7.so.1.0)
#12 0x00007f6b0fae4fbc PyEval_EvalCodeEx (libpython2.7.so.1.0)
#13 0x00007f6b0fa59c6c n/a (libpython2.7.so.1.0)
#14 0x00007f6b0fa272b3 PyObject_Call (libpython2.7.so.1.0)
#15 0x00007f6b0fa3908c n/a (libpython2.7.so.1.0)
#16 0x00007f6b0fa272b3 PyObject_Call (libpython2.7.so.1.0)
#17 0x00007f6b0fadb087 PyEval_CallObjectWithKeywords (libpython2.7.so.1.0)
#18 0x00007f6b0fb23922 n/a (libpython2.7.so.1.0)
#19 0x00007f6b0fb1d907 n/a (libpython2.7.so.1.0)
#20 0x00007f6b0f9ba182 start_thread (libpthread.so.0)
#21 0x00007f6b0ff0eb1f __clone (libc.so.6)
Stack trace of thread 2503:
#0 0x00007f6b0f9c3086 futex_abstimed_wait_cancelable (libpthread.so.0)
#1 0x00007f6b0f9c3178 __new_sem_wait_slow (libpthread.so.0)
#2 0x00007f6b0fb1dbb8 PyThread_acquire_lock (libpython2.7.so.1.0)
#3 0x00007f6b0fb23522 n/a (libpython2.7.so.1.0)
#4 0x00007f6b0fae2a35 PyEval_EvalFrameEx (libpython2.7.so.1.0)
#5 0x00007f6b0fae4fbc PyEval_EvalCodeEx (libpython2.7.so.1.0)
#6 0x00007f6b0fae1404 PyEval_EvalFrameEx (libpython2.7.so.1.0)
#7 0x00007f6b0fae4fbc PyEval_EvalCodeEx (libpython2.7.so.1.0)
#8 0x00007f6b0fae1404 PyEval_EvalFrameEx (libpython2.7.so.1.0)
#9 0x00007f6b0fae4fbc PyEval_EvalCodeEx (libpython2.7.so.1.0)
#10 0x00007f6b0fa59d55 n/a (libpython2.7.so.1.0)
#11 0x00007f6b0fa272b3 PyObject_Call (libpython2.7.so.1.0)
#12 0x00007f6b0fadcbd2 PyEval_EvalFrameEx (libpython2.7.so.1.0)
#13 0x00007f6b0fae1525 PyEval_EvalFrameEx (libpython2.7.so.1.0)
#14 0x00007f6b0fae1525 PyEval_EvalFrameEx (libpython2.7.so.1.0)
#15 0x00007f6b0fae4fbc PyEval_EvalCodeEx (libpython2.7.so.1.0)
#16 0x00007f6b0fa59c6c n/a (libpython2.7.so.1.0)
#17 0x00007f6b0fa272b3 PyObject_Call (libpython2.7.so.1.0)
#18 0x00007f6b0fa3908c n/a (libpython2.7.so.1.0)
#19 0x00007f6b0fa272b3 PyObject_Call (libpython2.7.so.1.0)
#20 0x00007f6b0fadb087 PyEval_CallObjectWithKeywords (libpython2.7.so.1.0)
#21 0x00007f6b0fb23922 n/a (libpython2.7.so.1.0)
#22 0x00007f6b0fb1d907 n/a (libpython2.7.so.1.0)
#23 0x00007f6b0f9ba182 start_thread (libpthread.so.0)
#24 0x00007f6b0ff0eb1f __clone (libc.so.6)
Stack trace of thread 2507:
#0 0x00007f6b0ff0ee3f epoll_wait (libc.so.6)
#1 0x00007f6afc780c54 n/a (libQt5WebEngineCore.so.5)
#2 0x00007f6afc77ed53 n/a (libQt5WebEngineCore.so.5)
#3 0x00007f6afc47406a n/a (libQt5WebEngineCore.so.5)
#4 0x00007f6afc3fe15d n/a (libQt5WebEngineCore.so.5)
#5 0x00007f6afc43b674 n/a (libQt5WebEngineCore.so.5)
#6 0x00007f6afc43ee58 n/a (libQt5WebEngineCore.so.5)
#7 0x00007f6afc4714f4 n/a (libQt5WebEngineCore.so.5)
#8 0x00007f6b0f9ba182 start_thread (libpthread.so.0)
#9 0x00007f6b0ff0eb1f __clone (libc.so.6)
Stack trace of thread 2523:
#0 0x00007f6b0ff0ee3f epoll_wait (libc.so.6)
#1 0x00007f6afc780c54 n/a (libQt5WebEngineCore.so.5)
#2 0x00007f6afc77ed53 n/a (libQt5WebEngineCore.so.5)
#3 0x00007f6afc473fc1 n/a (libQt5WebEngineCore.so.5)
#4 0x00007f6afc3fe15d n/a (libQt5WebEngineCore.so.5)
#5 0x00007f6afc43ed59 n/a (libQt5WebEngineCore.so.5)
#6 0x00007f6afc4714f4 n/a (libQt5WebEngineCore.so.5)
#7 0x00007f6b0f9ba182 start_thread (libpthread.so.0)
#8 0x00007f6b0ff0eb1f __clone (libc.so.6)
Stack trace of thread 2517:
#0 0x00007f6b0ff05047 __GI___select (libc.so.6)
#1 0x00007f6afc3c3b33 n/a (libQt5WebEngineCore.so.5)
#2 0x00007f6afc4714f4 n/a (libQt5WebEngineCore.so.5)
#3 0x00007f6b0f9ba182 start_thread (libpthread.so.0)
#4 0x00007f6b0ff0eb1f __clone (libc.so.6)
Stack trace of thread 2510:
#0 0x00007f6b0ff02729 __GI___poll (libc.so.6)
#1 0x00007f6afbefca1a n/a (libQt5WebEngineCore.so.5)
#2 0x00007f6afc43ebe4 n/a (libQt5WebEngineCore.so.5)
#3 0x00007f6afc4714f4 n/a (libQt5WebEngineCore.so.5)
#4 0x00007f6b0f9ba182 start_thread (libpthread.so.0)
#5 0x00007f6b0ff0eb1f __clone (libc.so.6)
Stack trace of thread 2508:
#0 0x00007f6b0f9c0916 futex_reltimed_wait_cancelable (libpthread.so.0)
#1 0x00007f6afc46e53a n/a (libQt5WebEngineCore.so.5)
#2 0x00007f6afc46efdd n/a (libQt5WebEngineCore.so.5)
#3 0x00007f6afc46f072 n/a (libQt5WebEngineCore.so.5)
#4 0x00007f6afc427831 n/a (libQt5WebEngineCore.so.5)
#5 0x00007f6afc42c011 n/a (libQt5WebEngineCore.so.5)
#6 0x00007f6afc42c3e4 n/a (libQt5WebEngineCore.so.5)
#7 0x00007f6afc4714f4 n/a (libQt5WebEngineCore.so.5)
#8 0x00007f6b0f9ba182 start_thread (libpthread.so.0)
#9 0x00007f6b0ff0eb1f __clone (libc.so.6)
Stack trace of thread 2524:
#0 0x00007f6b0f9c03bb futex_wait_cancelable (libpthread.so.0)
#1 0x00007f6afc46e43e n/a (libQt5WebEngineCore.so.5)
#2 0x00007f6afc46eee3 n/a (libQt5WebEngineCore.so.5)
#3 0x00007f6afc46f02f n/a (libQt5WebEngineCore.so.5)
#4 0x00007f6afc3dd473 n/a (libQt5WebEngineCore.so.5)
#5 0x00007f6afc3fe15d n/a (libQt5WebEngineCore.so.5)
#6 0x00007f6afc43ed59 n/a (libQt5WebEngineCore.so.5)
#7 0x00007f6afc4714f4 n/a (libQt5WebEngineCore.so.5)
#8 0x00007f6b0f9ba182 start_thread (libpthread.so.0)
#9 0x00007f6b0ff0eb1f __clone (libc.so.6)
Stack trace of thread 2522:
#0 0x00007f6b0f9c0916 futex_reltimed_wait_cancelable (libpthread.so.0)
#1 0x00007f6afc46e53a n/a (libQt5WebEngineCore.so.5)
#2 0x00007f6afc46efdd n/a (libQt5WebEngineCore.so.5)
#3 0x00007f6afc3dd481 n/a (libQt5WebEngineCore.so.5)
#4 0x00007f6afc3fe15d n/a (libQt5WebEngineCore.so.5)
#5 0x00007f6afc43ed59 n/a (libQt5WebEngineCore.so.5)
#6 0x00007f6afc4714f4 n/a (libQt5WebEngineCore.so.5)
#7 0x00007f6b0f9ba182 start_thread (libpthread.so.0)
#8 0x00007f6b0ff0eb1f __clone (libc.so.6)
Stack trace of thread 2516:
#0 0x00007f6b0ff0ee3f epoll_wait (libc.so.6)
#1 0x00007f6afc780c54 n/a (libQt5WebEngineCore.so.5)
#2 0x00007f6afc77ed53 n/a (libQt5WebEngineCore.so.5)
#3 0x00007f6afc473fc1 n/a (libQt5WebEngineCore.so.5)
#4 0x00007f6afc3fe15d n/a (libQt5WebEngineCore.so.5)
#5 0x00007f6afc43ed59 n/a (libQt5WebEngineCore.so.5)
#6 0x00007f6afc4714f4 n/a (libQt5WebEngineCore.so.5)
#7 0x00007f6b0f9ba182 start_thread (libpthread.so.0)
#8 0x00007f6b0ff0eb1f __clone (libc.so.6)
Stack trace of thread 2529:
#0 0x00007f6b0f9c3086 futex_abstimed_wait_cancelable (libpthread.so.0)
#1 0x00007f6b0f9c3178 __new_sem_wait_slow (libpthread.so.0)
#2 0x00007f6b0fb1dbb8 PyThread_acquire_lock (libpython2.7.so.1.0)
#3 0x00007f6b0fb23522 n/a (libpython2.7.so.1.0)
#4 0x00007f6b0fae2a35 PyEval_EvalFrameEx (libpython2.7.so.1.0)
#5 0x00007f6b0fae4fbc PyEval_EvalCodeEx (libpython2.7.so.1.0)
#6 0x00007f6b0fae1404 PyEval_EvalFrameEx (libpython2.7.so.1.0)
#7 0x00007f6b0fae4fbc PyEval_EvalCodeEx (libpython2.7.so.1.0)
#8 0x00007f6b0fae1404 PyEval_EvalFrameEx (libpython2.7.so.1.0)
#9 0x00007f6b0fae4fbc PyEval_EvalCodeEx (libpython2.7.so.1.0)
#10 0x00007f6b0fae1404 PyEval_EvalFrameEx (libpython2.7.so.1.0)
#11 0x00007f6b0fae1525 PyEval_EvalFrameEx (libpython2.7.so.1.0)
#12 0x00007f6b0fae4fbc PyEval_EvalCodeEx (libpython2.7.so.1.0)
#13 0x00007f6b0fa59c6c n/a (libpython2.7.so.1.0)
#14 0x00007f6b0fa272b3 PyObject_Call (libpython2.7.so.1.0)
#15 0x00007f6b0fa3908c n/a (libpython2.7.so.1.0)
#16 0x00007f6b0fa272b3 PyObject_Call (libpython2.7.so.1.0)
#17 0x00007f6b0fadb087 PyEval_CallObjectWithKeywords (libpython2.7.so.1.0)
#18 0x00007f6b0fb23922 n/a (libpython2.7.so.1.0)
#19 0x00007f6b0fb1d907 n/a (libpython2.7.so.1.0)
#20 0x00007f6b0f9ba182 start_thread (libpthread.so.0)
#21 0x00007f6b0ff0eb1f __clone (libc.so.6)
Stack trace of thread 2515:
#0 0x00007f6b0fed23ba __GI___waitpid (libc.so.6)
#1 0x00007f6afc46b5d7 n/a (libQt5WebEngineCore.so.5)
#2 0x00007f6afc46c616 n/a (libQt5WebEngineCore.so.5)
#3 0x00007f6afc46c759 n/a (libQt5WebEngineCore.so.5)
#4 0x00007f6afc4714f4 n/a (libQt5WebEngineCore.so.5)
#5 0x00007f6b0f9ba182 start_thread (libpthread.so.0)
#6 0x00007f6b0ff0eb1f __clone (libc.so.6)
Stack trace of thread 2528:
#0 0x00007f6b0fefdfb4 __GI___libc_read (libc.so.6)
#1 0x00007f6af62e0a2e n/a (_multiprocessing.so)
#2 0x00007f6af62e0c80 n/a (_multiprocessing.so)
#3 0x00007f6b0fae1f1d PyEval_EvalFrameEx (libpython2.7.so.1.0)
#4 0x00007f6b0fae4fbc PyEval_EvalCodeEx (libpython2.7.so.1.0)
#5 0x00007f6b0fae1404 PyEval_EvalFrameEx (libpython2.7.so.1.0)
#6 0x00007f6b0fae4fbc PyEval_EvalCodeEx (libpython2.7.so.1.0)
#7 0x00007f6b0fae1404 PyEval_EvalFrameEx (libpython2.7.so.1.0)
#8 0x00007f6b0fae4fbc PyEval_EvalCodeEx (libpython2.7.so.1.0)
#9 0x00007f6b0fa59d55 n/a (libpython2.7.so.1.0)
#10 0x00007f6b0fa272b3 PyObject_Call (libpython2.7.so.1.0)
#11 0x00007f6b0fadcbd2 PyEval_EvalFrameEx (libpython2.7.so.1.0)
#12 0x00007f6b0fae1525 PyEval_EvalFrameEx (libpython2.7.so.1.0)
#13 0x00007f6b0fae1525 PyEval_EvalFrameEx (libpython2.7.so.1.0)
#14 0x00007f6b0fae4fbc PyEval_EvalCodeEx (libpython2.7.so.1.0)
#15 0x00007f6b0fa59c6c n/a (libpython2.7.so.1.0)
#16 0x00007f6b0fa272b3 PyObject_Call (libpython2.7.so.1.0)
#17 0x00007f6b0fa3908c n/a (libpython2.7.so.1.0)
#18 0x00007f6b0fa272b3 PyObject_Call (libpython2.7.so.1.0)
#19 0x00007f6b0fadb087 PyEval_CallObjectWithKeywords (libpython2.7.so.1.0)
#20 0x00007f6b0fb23922 n/a (libpython2.7.so.1.0)
#21 0x00007f6b0fb1d907 n/a (libpython2.7.so.1.0)
#22 0x00007f6b0f9ba182 start_thread (libpthread.so.0)
#23 0x00007f6b0ff0eb1f __clone (libc.so.6)
Stack trace of thread 2518:
#0 0x00007f6b0f9c0916 futex_reltimed_wait_cancelable (libpthread.so.0)
#1 0x00007f6afc46e53a n/a (libQt5WebEngineCore.so.5)
#2 0x00007f6afc46efdd n/a (libQt5WebEngineCore.so.5)
#3 0x00007f6afc46f072 n/a (libQt5WebEngineCore.so.5)
#4 0x00007f6afc427831 n/a (libQt5WebEngineCore.so.5)
#5 0x00007f6afc42c011 n/a (libQt5WebEngineCore.so.5)
#6 0x00007f6afc42c3e4 n/a (libQt5WebEngineCore.so.5)
#7 0x00007f6afc4714f4 n/a (libQt5WebEngineCore.so.5)
#8 0x00007f6b0f9ba182 start_thread (libpthread.so.0)
#9 0x00007f6b0ff0eb1f __clone (libc.so.6)
Stack trace of thread 2501:
#0 0x00007f6b0ff02729 __GI___poll (libc.so.6)
#1 0x00007f6b04ad4917 n/a (libxcb.so.1)
#2 0x00007f6b04ad653a xcb_wait_for_event (libxcb.so.1)
#3 0x00007f6af3549a18 n/a (libQt5XcbQpa.so.5)
#4 0x00007f6b05e7875e n/a (libQt5Core.so.5)
#5 0x00007f6b0f9ba182 start_thread (libpthread.so.0)
#6 0x00007f6b0ff0eb1f __clone (libc.so.6)
Stack trace of thread 2537:
#0 0x00007f6b0ff02729 __GI___poll (libc.so.6)
#1 0x00007f6b06deffd3 n/a (libglib-2.0.so.0)
#2 0x00007f6b06df02ac g_main_context_iteration (libglib-2.0.so.0)
#3 0x00007f6b060bca8f _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5)
#4 0x00007f6b0605fbd2 _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5)
#5 0x00007f6b05e77114 _ZN7QThread4execEv (libQt5Core.so.5)
#6 0x00007f6af3464b05 n/a (libQt5DBus.so.5)
#7 0x00007f6b05e7875e n/a (libQt5Core.so.5)
#8 0x00007f6b0f9ba182 start_thread (libpthread.so.0)
#9 0x00007f6b0ff0eb1f __clone (libc.so.6)
Stack trace of thread 2519:
#0 0x00007f6b0ff0ee3f epoll_wait (libc.so.6)
#1 0x00007f6afc780c54 n/a (libQt5WebEngineCore.so.5)
#2 0x00007f6afc77ed53 n/a (libQt5WebEngineCore.so.5)
#3 0x00007f6afc47406a n/a (libQt5WebEngineCore.so.5)
#4 0x00007f6afc3fe15d n/a (libQt5WebEngineCore.so.5)
#5 0x00007f6afbb4d644 n/a (libQt5WebEngineCore.so.5)
#6 0x00007f6afc43ee58 n/a (libQt5WebEngineCore.so.5)
#7 0x00007f6afc4714f4 n/a (libQt5WebEngineCore.so.5)
#8 0x00007f6b0f9ba182 start_thread (libpthread.so.0)
#9 0x00007f6b0ff0eb1f __clone (libc.so.6)
Stack trace of thread 2521:
#0 0x00007f6b0f9c03bb futex_wait_cancelable (libpthread.so.0)
#1 0x00007f6afc46e43e n/a (libQt5WebEngineCore.so.5)
#2 0x00007f6afd0c0fb5 n/a (libQt5WebEngineCore.so.5)
#3 0x00007f6afc43ebe4 n/a (libQt5WebEngineCore.so.5)
#4 0x00007f6afc4714f4 n/a (libQt5WebEngineCore.so.5)
#5 0x00007f6b0f9ba182 start_thread (libpthread.so.0)
#6 0x00007f6b0ff0eb1f __clone (libc.so.6)
Stack trace of thread 2526:
#0 0x00007f6b0f9c03bb futex_wait_cancelable (libpthread.so.0)
#1 0x00007f6afc46e43e n/a (libQt5WebEngineCore.so.5)
#2 0x00007f6afc46eee3 n/a (libQt5WebEngineCore.so.5)
#3 0x00007f6afc46f02f n/a (libQt5WebEngineCore.so.5)
#4 0x00007f6afc427805 n/a (libQt5WebEngineCore.so.5)
#5 0x00007f6afc42c011 n/a (libQt5WebEngineCore.so.5)
#6 0x00007f6afc42c464 n/a (libQt5WebEngineCore.so.5)
#7 0x00007f6afc4714f4 n/a (libQt5WebEngineCore.so.5)
#8 0x00007f6b0f9ba182 start_thread (libpthread.so.0)
#9 0x00007f6b0ff0eb1f __clone (libc.so.6)
Stack trace of thread 2542:
#0 0x00007f6b0f9c03bb futex_wait_cancelable (libpthread.so.0)
#1 0x00007f6afc46e43e n/a (libQt5WebEngineCore.so.5)
#2 0x00007f6afc46eee3 n/a (libQt5WebEngineCore.so.5)
#3 0x00007f6afc46f02f n/a (libQt5WebEngineCore.so.5)
#4 0x00007f6afc427805 n/a (libQt5WebEngineCore.so.5)
#5 0x00007f6afc42c011 n/a (libQt5WebEngineCore.so.5)
#6 0x00007f6afc42c424 n/a (libQt5WebEngineCore.so.5)
#7 0x00007f6afc4714f4 n/a (libQt5WebEngineCore.so.5)
#8 0x00007f6b0f9ba182 start_thread (libpthread.so.0)
#9 0x00007f6b0ff0eb1f __clone (libc.so.6)
GNU gdb (Ubuntu 8.2.91.20190405-0ubuntu3) 8.2.91.20190405-git
Copyright (C) 2019 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from /opt/calibre/bin/calibre-debug...
(No debugging symbols found in /opt/calibre/bin/calibre-debug)
warning: core file may not match specified executable file.
[New LWP 2497]
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[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/opt/calibre/bin/calibre-debug -t'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x00007f6b0524c779 in QTextFormat::stringProperty(int) const () from /opt/calibre/lib/libQt5Gui.so.5
[Current thread is 1 (Thread 0x7f6b0f853740 (LWP 2497))]
(gdb) #0 0x00007f6b0524c779 in QTextFormat::stringProperty(int) const () from /opt/calibre/lib/libQt5Gui.so.5
#1 0x00007f6b057668b7 in ?? () from /opt/calibre/lib/python2.7/site-packages/PyQt5/QtGui.so
#2 0x00007f6b0fae2a35 in PyEval_EvalFrameEx () from /opt/calibre/lib/../lib/libpython2.7.so.1.0
#3 0x00007f6b0fae4fbc in PyEval_EvalCodeEx () from /opt/calibre/lib/../lib/libpython2.7.so.1.0
#4 0x00007f6b0fae1404 in PyEval_EvalFrameEx () from /opt/calibre/lib/../lib/libpython2.7.so.1.0
#5 0x00007f6b0fae4fbc in PyEval_EvalCodeEx () from /opt/calibre/lib/../lib/libpython2.7.so.1.0
#6 0x00007f6b0fa59c6c in ?? () from /opt/calibre/lib/../lib/libpython2.7.so.1.0
#7 0x00007f6b0fa272b3 in PyObject_Call () from /opt/calibre/lib/../lib/libpython2.7.so.1.0
#8 0x00007f6b0fa3908c in ?? () from /opt/calibre/lib/../lib/libpython2.7.so.1.0
#9 0x00007f6b0fa272b3 in PyObject_Call () from /opt/calibre/lib/../lib/libpython2.7.so.1.0
#10 0x00007f6b0fadb087 in PyEval_CallObjectWithKeywords () from /opt/calibre/lib/../lib/libpython2.7.so.1.0
#11 0x00007f6b05bbe6dd in ?? () from /opt/calibre/lib/python2.7/site-packages/PyQt5/sip.so
#12 0x00007f6b05bbe919 in ?? () from /opt/calibre/lib/python2.7/site-packages/PyQt5/sip.so
#13 0x00007f6b039cffcb in ?? () from /opt/calibre/lib/python2.7/site-packages/PyQt5/QtWidgets.so
#14 0x00007f6b03ac3d9b in ?? () from /opt/calibre/lib/python2.7/site-packages/PyQt5/QtWidgets.so
#15 0x00007f6b0335dd3c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /opt/calibre/lib/libQt5Widgets.so.5
#16 0x00007f6b033660a6 in QApplication::notify(QObject*, QEvent*) () from /opt/calibre/lib/libQt5Widgets.so.5
#17 0x00007f6b03c088be in ?? () from /opt/calibre/lib/python2.7/site-packages/PyQt5/QtWidgets.so
#18 0x00007f6b06061728 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /opt/calibre/lib/libQt5Core.so.5
#19 0x00007f6b03363c31 in QApplication::event(QEvent*) () from /opt/calibre/lib/libQt5Widgets.so.5
#20 0x00007f6b03c08c0c in ?? () from /opt/calibre/lib/python2.7/site-packages/PyQt5/QtWidgets.so
#21 0x00007f6b0fae2a35 in PyEval_EvalFrameEx () from /opt/calibre/lib/../lib/libpython2.7.so.1.0
#22 0x00007f6b0fae4fbc in PyEval_EvalCodeEx () from /opt/calibre/lib/../lib/libpython2.7.so.1.0
#23 0x00007f6b0fa59c6c in ?? () from /opt/calibre/lib/../lib/libpython2.7.so.1.0
#24 0x00007f6b0fa272b3 in PyObject_Call () from /opt/calibre/lib/../lib/libpython2.7.so.1.0
#25 0x00007f6b0fa3908c in ?? () from /opt/calibre/lib/../lib/libpython2.7.so.1.0
#26 0x00007f6b0fa272b3 in PyObject_Call () from /opt/calibre/lib/../lib/libpython2.7.so.1.0
#27 0x00007f6b0fadb087 in PyEval_CallObjectWithKeywords () from /opt/calibre/lib/../lib/libpython2.7.so.1.0
#28 0x00007f6b05bbe6dd in ?? () from /opt/calibre/lib/python2.7/site-packages/PyQt5/sip.so
#29 0x00007f6b05bbe919 in ?? () from /opt/calibre/lib/python2.7/site-packages/PyQt5/sip.so
#30 0x00007f6b039cffcb in ?? () from /opt/calibre/lib/python2.7/site-packages/PyQt5/QtWidgets.so
--Type <RET> for more, q to quit, c to continue without paging--#31 0x00007f6b03c08adb in ?? () from /opt/calibre/lib/python2.7/site-packages/PyQt5/QtWidgets.so
#32 0x00007f6b0335dd3c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /opt/calibre/lib/libQt5Widgets.so.5
#33 0x00007f6b033653d0 in QApplication::notify(QObject*, QEvent*) () from /opt/calibre/lib/libQt5Widgets.so.5
#34 0x00007f6b03c088be in ?? () from /opt/calibre/lib/python2.7/site-packages/PyQt5/QtWidgets.so
#35 0x00007f6b06061728 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /opt/calibre/lib/libQt5Core.so.5
#36 0x00007f6b060bbe39 in QTimerInfoList::activateTimers() () from /opt/calibre/lib/libQt5Core.so.5
#37 0x00007f6b060bc6c1 in ?? () from /opt/calibre/lib/libQt5Core.so.5
#38 0x00007f6b06defdb7 in g_main_context_dispatch () from /opt/calibre/lib/libglib-2.0.so.0
#39 0x00007f6b06df00c8 in ?? () from /opt/calibre/lib/libglib-2.0.so.0
#40 0x00007f6b06df02ac in g_main_context_iteration () from /opt/calibre/lib/libglib-2.0.so.0
#41 0x00007f6b060bca8f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /opt/calibre/lib/libQt5Core.so.5
#42 0x00007f6b0605fbd2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /opt/calibre/lib/libQt5Core.so.5
#43 0x00007f6b06068c34 in QCoreApplication::exec() () from /opt/calibre/lib/libQt5Core.so.5
#44 0x00007f6b03b7d30b in ?? () from /opt/calibre/lib/python2.7/site-packages/PyQt5/QtWidgets.so
#45 0x00007f6b0fae2a35 in PyEval_EvalFrameEx () from /opt/calibre/lib/../lib/libpython2.7.so.1.0
#46 0x00007f6b0fae4fbc in PyEval_EvalCodeEx () from /opt/calibre/lib/../lib/libpython2.7.so.1.0
#47 0x00007f6b0fae1404 in PyEval_EvalFrameEx () from /opt/calibre/lib/../lib/libpython2.7.so.1.0
#48 0x00007f6b0fae4fbc in PyEval_EvalCodeEx () from /opt/calibre/lib/../lib/libpython2.7.so.1.0
#49 0x00007f6b0fae1404 in PyEval_EvalFrameEx () from /opt/calibre/lib/../lib/libpython2.7.so.1.0
#50 0x00007f6b0fae4fbc in PyEval_EvalCodeEx () from /opt/calibre/lib/../lib/libpython2.7.so.1.0
#51 0x00007f6b0fae1404 in PyEval_EvalFrameEx () from /opt/calibre/lib/../lib/libpython2.7.so.1.0
#52 0x00007f6b0fae4fbc in PyEval_EvalCodeEx () from /opt/calibre/lib/../lib/libpython2.7.so.1.0
#53 0x00007f6b0fae1404 in PyEval_EvalFrameEx () from /opt/calibre/lib/../lib/libpython2.7.so.1.0
#54 0x00007f6b0fae4fbc in PyEval_EvalCodeEx () from /opt/calibre/lib/../lib/libpython2.7.so.1.0
#55 0x00007f6b0fa59c6c in ?? () from /opt/calibre/lib/../lib/libpython2.7.so.1.0
#56 0x00007f6b0fa272b3 in PyObject_Call () from /opt/calibre/lib/../lib/libpython2.7.so.1.0
#57 0x00007f6b0fadb087 in PyEval_CallObjectWithKeywords () from /opt/calibre/lib/../lib/libpython2.7.so.1.0
#58 0x00007f6b10001529 in execute_python_entrypoint () from /opt/calibre/lib/libcalibre-launcher.so
#59 0x0000000000400635 in ?? ()
#60 0x00007f6b0fe17b6b in __libc_start_main (main=0x400600, argc=2, argv=0x7fff9fb91c78, init=<optimized out>,
--Type <RET> for more, q to quit, c to continue without paging-- fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff9fb91c68) at ../csu/libc-start.c:308
#61 0x0000000000400669 in ?? ()
(gdb) quit
ps@ps-Inspiron-3650:~$
I could not answer before because I was not Home.