today, I am also seeing the following thing, but not sure if it is a real error or not
Thread 1 "kstars" received signal SIGSEGV, Segmentation fault.
0x00007ffff40724bd in __strlen_avx2 () from /usr/lib/libc.so.6
(gdb) bt
#0 0x00007ffff40724bd in __strlen_avx2 () at /usr/lib/libc.so.6
#1 0x000055555563fd59 in QString::fromUtf8(char const*, int) (str=0xda2d58f884ea5b1b <error: Cannot access memory at address 0xda2d58f884ea5b1b>, size=-1) at /usr/include/qt/QtCore/qstring.h:706
#2 0x0000555555640a8c in QDebug::operator<<(char const*) (this=0x7fffffffd1a0, t=0xda2d58f884ea5b1b <error: Cannot access memory at address 0xda2d58f884ea5b1b>) at /usr/include/qt/QtCore/qdebug.h:159
#3 0x0000555555a355cc in INDIListener::registerProperty(INDI::Property) (this=0x55555b769e00, prop=...) at /home/matt/data/indi/kstars/kstars/indi/indilistener.cpp:241
#4 0x0000555555a39c1b in QtPrivate::FunctorCall<QtPrivate::IndexesList<0>, QtPrivate::List<INDI::Property>, void, void (INDIListener::*)(INDI::Property)>::call(void (INDIListener::*)(INDI::Property), INDIListener*, void**) (f=
(void (INDIListener::*)(INDIListener * const, INDI::Property)) 0x555555a354f2 <INDIListener::registerProperty(INDI::Property)>, o=0x55555b769e00, arg=0x7fff7005df48) at /usr/include/qt/QtCore/qobjectdefs_impl.h:152
#5 0x0000555555a3973a in QtPrivate::FunctionPointer<void (INDIListener::*)(INDI::Property)>::call<QtPrivate::List<INDI::Property>, void>(void (INDIListener::*)(INDI::Property), INDIListener*, void**) (f=
(void (INDIListener::*)(INDIListener * const, INDI::Property)) 0x555555a354f2 <INDIListener::registerProperty(INDI::Property)>, o=0x55555b769e00, arg=0x7fff7005df48) at /usr/include/qt/QtCore/qobjectdefs_impl.h:185
#6 0x0000555555a38a57 in QtPrivate::QSlotObject<void (INDIListener::*)(INDI::Property), QtPrivate::List<INDI::Property>, void>::impl(int, QtPrivate::QSlotObjectBase*, QObject*, void**, bool*) (which=1, this_=0x5555598b5850, r=0x55555b769e00, a=0x7fff7005df48, ret=0x0)
at /usr/include/qt/QtCore/qobjectdefs_impl.h:418
#7 0x00007ffff4cecdc6 in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5
#8 0x00007ffff573f1a6 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#9 0x00007ffff4cc8b9a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#10 0x00007ffff4cc9699 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#11 0x00007ffff4d10bd8 in () at /usr/lib/libQt5Core.so.5
#12 0x00007ffff3c27f13 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#13 0x00007ffff3c7e0d9 in () at /usr/lib/libglib-2.0.so.0
#14 0x00007ffff3c25485 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#15 0x00007ffff4d14ada in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#16 0x00007ffff4cc0e6b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#17 0x00007ffff4ccc5c7 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#18 0x0000555555645956 in main(int, char**) (argc=1, argv=0x7fffffffdb28) at /home/matt/data/indi/kstars/kstars/main.cpp:382