I experience a crash using DarkMetal theme which uses a custom font.
Program received signal SIGSEGV, Segmentation fault.
QThreadStorageData::get (this=this@entry=0x0) at thread/qthreadstorage.cpp:125
125 if (tls.size() <= id)
(gdb) bt
#0 QThreadStorageData::get (this=this@entry=0x0)
at thread/qthreadstorage.cpp:125
#1 0x00007ffff5e8e761 in qThreadStorage_localData<QtFreetypeData> (d=...)
at ../../include/QtCore/../../src/corelib/thread/qthreadstorage.h:76
#2 localData (this=<optimized out>)
at ../../include/QtCore/../../src/corelib/thread/qthreadstorage.h:150
#3 qt_getFreetypeData () at text/qfontengine_ft.cpp:155
Python Exception <class 'TypeError'> iter() returned non-iterator of type '_iterator':
#4 0x00007ffff5e93498 in QFreetypeFace::getFace (face_id=..., fontData="")
at text/qfontengine_ft.cpp:213
#5 0x00007ffff5e93c00 in QFontEngineFT::init (this=this@entry=0x2e3353d0,
faceId=..., antialias=<optimized out>, format=QFontEngine::Format_A32,
Python Exception <class 'TypeError'> iter() returned non-iterator of type '_iterator':
fontData="") at text/qfontengine_ft.cpp:666
#6 0x00007ffff5e8a23b in QFontEngineX11FT::QFontEngineX11FT (this=0x2e3353d0,
pattern=0x2e0c5820, fd=..., screen=<optimized out>)
at text/qfontengine_x11.cpp:1115
#7 0x00007ffff5dd3975 in tryPatternLoad (match=match@entry=0x2e0c5820,
screen=0, request=..., script=script@entry=0)
at text/qfontdatabase_x11.cpp:1683
#8 0x00007ffff5ddda3d in loadFc (request=..., script=0, fp=0x2e2ea670)
at text/qfontdatabase_x11.cpp:1747
#9 QFontDatabase::load (d=d@entry=0x2e2ea670, script=script@entry=0)
at text/qfontdatabase_x11.cpp:2009
#10 0x00007ffff5dbae79 in QFontPrivate::engineForScript (this=0x2e2ea670,
---Type <return> to continue, or q <return> to quit---
script=script@entry=0) at text/qfont.cpp:305
#11 0x00007ffff5df0962 in QTextEngine::fontEngine (
this=this@entry=0x7fffffffab20, si=..., ascent=ascent@entry=0x352ec43c,
descent=descent@entry=0x352ec438, leading=leading@entry=0x352ec440)
at text/qtextengine.cpp:1936
#12 0x00007ffff5df1113 in QTextEngine::shapeTextWithHarfbuzz (
this=this@entry=0x7fffffffab20, item=item@entry=0)
at text/qtextengine.cpp:1195
#13 0x00007ffff5df2212 in QTextEngine::shapeText (
this=this@entry=0x7fffffffab20, item=item@entry=0)
at text/qtextengine.cpp:935
#14 0x00007ffff5df2535 in QTextEngine::shape (this=this@entry=0x7fffffffab20,
item=item@entry=0) at text/qtextengine.cpp:1450
#15 0x00007ffff5df634f in QTextEngine::width (this=this@entry=0x7fffffffab20,
from=from@entry=0, len=<optimized out>) at text/qtextengine.cpp:1690
#16 0x00007ffff5df6566 in QTextEngine::elidedText (
this=this@entry=0x7fffffffab20, mode=mode@entry=Qt::ElideRight, width=...,
flags=flags@entry=0) at text/qtextengine.cpp:2521
#17 0x00007ffff5dcf90c in QFontMetrics::elidedText (
this=this@entry=0x7fffffffd470, text="Title1", mode=Qt::ElideRight,
width=98, flags=flags@entry=0) at text/qfontmetrics.cpp:921
#18 0x0000000000ba9af8 in WLabel::setText (this=this@entry=0x2e42d070,
text="Title1") at src/widget/wlabel.cpp:108
---Type <return> to continue, or q <return> to quit---
#19 0x0000000000bd9576 in WTrackProperty::updateLabel (this=0x2e42d070)
at src/widget/wtrackproperty.cpp:49
#20 0x0000000000b9070d in WTrackProperty::qt_static_metacall (_o=0x2e42d070,
_c=4160397584, _id=1, _a=0x7fffffffd640)
at lin64_build/widget/moc_wtrackproperty.cc:58
#21 0x00007ffff51e187a in QMetaObject::activate (
sender=sender@entry=0x2240b20,
m=m@entry=0xde2bc0 <BaseTrackPlayer::staticMetaObject>,
local_signal_index=local_signal_index@entry=3,
argv=argv@entry=0x7fffffffd640) at kernel/qobject.cpp:3539
#22 0x00000000009a2d23 in BaseTrackPlayer::newTrackLoaded (
this=this@entry=0x2240b20, _t1=...)
at lin64_build/mixer/moc_basetrackplayer.cc:138
#23 0x00000000009a1559 in BaseTrackPlayerImpl::slotFinishLoading (
this=this@entry=0x2240b20, pTrackInfoObject=...)
at src/mixer/basetrackplayer.cpp:309
#24 0x00000000009a353c in BaseTrackPlayerImpl::qt_static_metacall (
_o=0x2240b20, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>)
at lin64_build/mixer/moc_basetrackplayer.cc:208
#25 0x00007ffff51e5c1e in QObject::event (this=0x2240b20, e=<optimized out>)
at kernel/qobject.cpp:1194
#26 0x00007ffff5ba5e2c in QApplicationPrivate::notify_helper (
this=this@entry=0x11f9960, receiver=receiver@entry=0x2240b20, e=e@entry=
---Type <return> to continue, or q <return> to quit---
0x7fffa4002e30) at kernel/qapplication.cpp:4567
#27 0x00007ffff5bac4a0 in QApplication::notify (
this=this@entry=0x7fffffffdf30, receiver=receiver@entry=0x2240b20,
e=e@entry=0x7fffa4002e30) at kernel/qapplication.cpp:4353
#28 0x00000000009ba5ee in MixxxApplication::notify (this=0x7fffffffdf30,
target=0x2240b20, event=0x7fffa4002e30) at src/mixxxapplication.cpp:137
#29 0x00007ffff51cd4dd in QCoreApplication::notifyInternal (this=
0x7fffffffdf30, receiver=receiver@entry=0x2240b20,
event=event@entry=0x7fffa4002e30) at kernel/qcoreapplication.cpp:953
#30 0x00007ffff51d0b3d in sendEvent (event=0x7fffa4002e30, receiver=0x2240b20)
at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#31 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0,
event_type=event_type@entry=0, data=0x11e8580)
at kernel/qcoreapplication.cpp:1577
#32 0x00007ffff51d0fe3 in QCoreApplication::sendPostedEvents (
receiver=receiver@entry=0x0, event_type=event_type@entry=0)
at kernel/qcoreapplication.cpp:1470
#33 0x00007ffff51faf83 in sendPostedEvents ()
at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#34 postEventSourceDispatch (s=0x11fbce0)
at kernel/qeventdispatcher_glib.cpp:287
#35 0x00007fffefc64e04 in g_main_context_dispatch ()
from /lib/x86_64-linux-gnu/libglib-2.0.so.0
---Type <return> to continue, or q <return> to quit---
#36 0x00007fffefc65048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007fffefc650ec in g_main_context_iteration ()
from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#38 0x00007ffff51fa7a1 in QEventDispatcherGlib::processEvents (this=0x11faac0,
flags=...) at kernel/qeventdispatcher_glib.cpp:434
#39 0x00007ffff5c47be6 in QGuiEventDispatcherGlib::processEvents (
this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#40 0x00007ffff51cc0af in QEventLoop::processEvents (this=this@entry=
0x7fffffffde70, flags=...) at kernel/qeventloop.cpp:149
#41 0x00007ffff51cc3a5 in QEventLoop::exec (this=this@entry=0x7fffffffde70,
flags=...) at kernel/qeventloop.cpp:204
#42 0x00007ffff51d1b79 in QCoreApplication::exec ()
at kernel/qcoreapplication.cpp:1225
#43 0x00007ffff5ba437c in QApplication::exec () at kernel/qapplication.cpp:3828
#44 0x000000000048417f in main (argc=1, argv=<optimized out>)
at src/main.cpp:116
No, all skins are effected.
It was caused by one of the taglib 1.10 testing tracks.
It semas like taglib 1.10 is now immun, but not Mixxx.
Track is attached.