The duplicate_tags.wav from the taglib test suite produces strange random segfaults.
Since the segfault happens when the track is loaded to a deck.
Since the backtrace locks differen every time, I assume it is a memory corruption.
Debug [AnalyzerQueue 1]: Opened AudioSource for file "file:///home/daniel/Downloads/taglib-1.10/tests/data/duplicate_tags.wav" with provider "libsndfile"
Debug [AnalyzerQueue 1]: AnalysisDAO fetched 0 analyses, 0 bytes for track 97 in 0 ms
fidlib error: Frequency of 600Hz out of range with sampling rate of 1000Hz
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 0x00007ffff5bb1d76 in qThreadStorage_localData<QFontCache> (d=...)
at ../../include/QtCore/../../src/corelib/thread/qthreadstorage.h:76
#2 localData (this=0x0)
at ../../include/QtCore/../../src/corelib/thread/qthreadstorage.h:150
#3 QFontCache::instance () at text/qfont.cpp:2790
#4 0x00007ffff5bd3fed in getEngineData (key=..., d=0x14b56a0)
at text/qfontdatabase.cpp:1051
#5 QFontDatabase::load (d=d@entry=0x14b56a0, script=script@entry=0)
at text/qfontdatabase_x11.cpp:1982
#6 0x00007ffff5bb1e79 in QFontPrivate::engineForScript (this=0x14b56a0,
script=script@entry=0) at text/qfont.cpp:305
#7 0x00007ffff5be7962 in QTextEngine::fontEngine (
this=this@entry=0x7fffffff7bd0, si=..., ascent=ascent@entry=0x3ec5d06c,
descent=descent@entry=0x3ec5d068, leading=leading@entry=0x3ec5d070)
at text/qtextengine.cpp:1936
#8 0x00007ffff5be8113 in QTextEngine::shapeTextWithHarfbuzz (
this=this@entry=0x7fffffff7bd0, item=item@entry=0)
at text/qtextengine.cpp:1195
#9 0x00007ffff5be9212 in QTextEngine::shapeText (
this=this@entry=0x7fffffff7bd0, item=item@entry=0)
at text/qtextengine.cpp:935
---Type <return> to continue, or q <return> to quit---
#10 0x00007ffff5be9535 in QTextEngine::shape (this=this@entry=0x7fffffff7bd0,
item=item@entry=0) at text/qtextengine.cpp:1450
#11 0x00007ffff5becfc5 in QTextEngine::shapeLine (
this=this@entry=0x7fffffff7bd0, line=...) at text/qtextengine.cpp:875
#12 0x00007ffff5af0706 in QPainter::drawText (this=this@entry=0x7fffffffaee0,
p=..., str="C", tf=tf@entry=0,
justificationPadding=justificationPadding@entry=0)
at painting/qpainter.cpp:6138
#13 0x00007ffff5af0e0a in QPainter::drawText (this=this@entry=0x7fffffffaee0,
p=..., str="C") at painting/qpainter.cpp:5968
#14 0x0000000000beeff2 in WOverview::paintEvent (this=0x3afd08b0)
at src/widget/woverview.cpp:421
#15 0x00007ffff59ec300 in QWidget::event (this=this@entry=0x3afd08b0,
event=event@entry=0x7fffffffb790) at kernel/qwidget.cpp:8533
#16 0x0000000000c2a176 in WWidget::event (this=0x3afd08b0, e=0x7fffffffb790)
at src/widget/wwidget.cpp:96
#17 0x00007ffff599ce2c in QApplicationPrivate::notify_helper (
this=this@entry=0x1256310, receiver=receiver@entry=0x3afd08b0,
e=e@entry=0x7fffffffb790) at kernel/qapplication.cpp:4567
#18 0x00007ffff59a34a0 in QApplication::notify (
this=this@entry=0x7fffffffdf30, receiver=receiver@entry=0x3afd08b0,
e=e@entry=0x7fffffffb790) at kernel/qapplication.cpp:4353
#19 0x00000000009d821e in MixxxApplication::notify (this=0x7fffffffdf30,
---Type <return> to continue, or q <return> to quit---
target=0x3afd08b0, event=0x7fffffffb790) at src/mixxxapplication.cpp:137
#20 0x00007ffff4fc44dd in QCoreApplication::notifyInternal (this=
0x7fffffffdf30, receiver=receiver@entry=0x3afd08b0,
event=event@entry=0x7fffffffb790) at kernel/qcoreapplication.cpp:953
#21 0x00007ffff59e6a21 in sendSpontaneousEvent (event=0x7fffffffb790,
receiver=0x3afd08b0)
at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#22 QWidgetPrivate::drawWidget (this=this@entry=0x3afd8b00, pdev=pdev@entry=
0x14e0ba0, rgn=..., offset=..., flags=flags@entry=4,
sharedPainter=sharedPainter@entry=0x0,
backingStore=backingStore@entry=0x14bcb20) at kernel/qwidget.cpp:5599
#23 0x00007ffff59e7450 in QWidgetPrivate::paintSiblingsRecursive (
Python Exception <class 'TypeError'> iter() returned non-iterator of type '_iterator':
this=this@entry=0x37c0aae0, pdev=pdev@entry=0x14e0ba0,
siblings=QList<QObject *>, index=<optimized out>, index@entry=5, rgn=...,
offset=..., flags=flags@entry=4, sharedPainter=sharedPainter@entry=0x0,
backingStore=backingStore@entry=0x14bcb20) at kernel/qwidget.cpp:5808
#24 0x00007ffff59e72bf in QWidgetPrivate::paintSiblingsRecursive (
Python Exception <class 'TypeError'> iter() returned non-iterator of type '_iterator':
this=this@entry=0x37c0aae0, pdev=pdev@entry=0x14e0ba0,
siblings=QList<QObject *>, index=5, index@entry=6, rgn=..., offset=...,
flags=flags@entry=4, sharedPainter=sharedPainter@entry=0x0,
backingStore=backingStore@entry=0x14bcb20) at kernel/qwidget.cpp:5795
#25 0x00007ffff59e72bf in QWidgetPrivate::paintSiblingsRecursive (
Python Exception <class 'TypeError'> iter() returned non-iterator of type '_iterator':
this=this@entry=0x37c0aae0, pdev=pdev@entry=0x14e0ba0,
---Type <return> to continue, or q <return> to quit---
siblings=QList<QObject *>, index=6, index@entry=7, rgn=..., offset=...,
flags=flags@entry=4, sharedPainter=sharedPainter@entry=0x0,
backingStore=backingStore@entry=0x14bcb20) at kernel/qwidget.cpp:5795
#26 0x00007ffff59e72bf in QWidgetPrivate::paintSiblingsRecursive (
Python Exception <class 'TypeError'> iter() returned non-iterator of type '_iterator':
this=this@entry=0x37c0aae0, pdev=pdev@entry=0x14e0ba0,
siblings=QList<QObject *>, index=7, index@entry=8, rgn=..., offset=...,
flags=flags@entry=4, sharedPainter=sharedPainter@entry=0x0,
backingStore=backingStore@entry=0x14bcb20) at kernel/qwidget.cpp:5795
#27 0x00007ffff59e72bf in QWidgetPrivate::paintSiblingsRecursive (
Python Exception <class 'TypeError'> iter() returned non-iterator of type '_iterator':
this=this@entry=0x37c0aae0, pdev=pdev@entry=0x14e0ba0,
siblings=QList<QObject *>, index=8, index@entry=20, rgn=..., offset=...,
flags=flags@entry=4, sharedPainter=sharedPainter@entry=0x0,
backingStore=backingStore@entry=0x14bcb20) at kernel/qwidget.cpp:5795
#28 0x00007ffff59e72bf in QWidgetPrivate::paintSiblingsRecursive (
Python Exception <class 'TypeError'> iter() returned non-iterator of type '_iterator':
this=this@entry=0x37c0aae0, pdev=pdev@entry=0x14e0ba0,
siblings=QList<QObject *>, index=20, index@entry=21, rgn=..., offset=...,
flags=flags@entry=4, sharedPainter=sharedPainter@entry=0x0,
backingStore=backingStore@entry=0x14bcb20) at kernel/qwidget.cpp:5795
#29 0x00007ffff59e72bf in QWidgetPrivate::paintSiblingsRecursive (
Python Exception <class 'TypeError'> iter() returned non-iterator of type '_iterator':
this=this@entry=0x37c0aae0, pdev=pdev@entry=0x14e0ba0,
siblings=QList<QObject *>, index=21, index@entry=22, rgn=..., offset=...,
flags=flags@entry=4, sharedPainter=sharedPainter@entry=0x0,
backingStore=backingStore@entry=0x14bcb20) at kernel/qwidget.cpp:5795
---Type <return> to continue, or q <return> to quit---
#30 0x00007ffff59e72bf in QWidgetPrivate::paintSiblingsRecursive (
Python Exception <class 'TypeError'> iter() returned non-iterator of type '_iterator':
this=this@entry=0x37c0aae0, pdev=pdev@entry=0x14e0ba0,
siblings=QList<QObject *>, index=22, index@entry=23, rgn=..., offset=...,
flags=flags@entry=4, sharedPainter=sharedPainter@entry=0x0,
backingStore=backingStore@entry=0x14bcb20) at kernel/qwidget.cpp:5795
#31 0x00007ffff59e72bf in QWidgetPrivate::paintSiblingsRecursive (
Python Exception <class 'TypeError'> iter() returned non-iterator of type '_iterator':
this=this@entry=0x37c0aae0, pdev=pdev@entry=0x14e0ba0,
siblings=QList<QObject *>, index=23, index@entry=24, rgn=..., offset=...,
flags=flags@entry=4, sharedPainter=sharedPainter@entry=0x0,
backingStore=backingStore@entry=0x14bcb20) at kernel/qwidget.cpp:5795
#32 0x00007ffff59e72bf in QWidgetPrivate::paintSiblingsRecursive (
Python Exception <class 'TypeError'> iter() returned non-iterator of type '_iterator':
this=this@entry=0x37c0aae0, pdev=pdev@entry=0x14e0ba0,
siblings=QList<QObject *>, index=24, index@entry=25, rgn=..., offset=...,
flags=flags@entry=4, sharedPainter=sharedPainter@entry=0x0,
backingStore=backingStore@entry=0x14bcb20) at kernel/qwidget.cpp:5795
#33 0x00007ffff59e72bf in QWidgetPrivate::paintSiblingsRecursive (
Python Exception <class 'TypeError'> iter() returned non-iterator of type '_iterator':
this=this@entry=0x37c0aae0, pdev=pdev@entry=0x14e0ba0,
siblings=QList<QObject *>, index=25, rgn=..., offset=...,
flags=flags@entry=4, sharedPainter=sharedPainter@entry=0x0,
backingStore=backingStore@entry=0x14bcb20) at kernel/qwidget.cpp:5795
#34 0x00007ffff59e65dc in QWidgetPrivate::drawWidget (
this=this@entry=0x37c0aae0, pdev=pdev@entry=0x14e0ba0, rgn=...,
offset=..., flags=flags@entry=4, sharedPainter=sharedPainter@entry=0x0,
---Type <return> to continue, or q <return> to quit---
backingStore=backingStore@entry=0x14bcb20) at kernel/qwidget.cpp:5652
#35 0x00007ffff59e7450 in QWidgetPrivate::paintSiblingsRecursive (
Python Exception <class 'TypeError'> iter() returned non-iterator of type '_iterator':
this=this@entry=0x37c09b50, pdev=pdev@entry=0x14e0ba0,
siblings=QList<QObject *>, index=<optimized out>, rgn=..., offset=...,
flags=flags@entry=4, sharedPainter=sharedPainter@entry=0x0,
backingStore=backingStore@entry=0x14bcb20) at kernel/qwidget.cpp:5808
#36 0x00007ffff59e65dc in QWidgetPrivate::drawWidget (
this=this@entry=0x37c09b50, pdev=pdev@entry=0x14e0ba0, rgn=...,
offset=..., flags=flags@entry=4, sharedPainter=sharedPainter@entry=0x0,
backingStore=backingStore@entry=0x14bcb20) at kernel/qwidget.cpp:5652
#37 0x00007ffff59e7450 in QWidgetPrivate::paintSiblingsRecursive (
Python Exception <class 'TypeError'> iter() returned non-iterator of type '_iterator':
this=this@entry=0x37c05900, pdev=pdev@entry=0x14e0ba0,
siblings=QList<QObject *>, index=<optimized out>, rgn=..., offset=...,
flags=flags@entry=4, sharedPainter=sharedPainter@entry=0x0,
backingStore=backingStore@entry=0x14bcb20) at kernel/qwidget.cpp:5808
#38 0x00007ffff59e65dc in QWidgetPrivate::drawWidget (
this=this@entry=0x37c05900, pdev=pdev@entry=0x14e0ba0, rgn=...,
offset=..., flags=flags@entry=4, sharedPainter=sharedPainter@entry=0x0,
backingStore=backingStore@entry=0x14bcb20) at kernel/qwidget.cpp:5652
#39 0x00007ffff59e7450 in QWidgetPrivate::paintSiblingsRecursive (
Python Exception <class 'TypeError'> iter() returned non-iterator of type '_iterator':
this=this@entry=0x37c04f50, pdev=pdev@entry=0x14e0ba0,
siblings=QList<QObject *>, index=<optimized out>, rgn=..., offset=...,
flags=flags@entry=4, sharedPainter=sharedPainter@entry=0x0,
---Type <return> to continue, or q <return> to quit---
backingStore=backingStore@entry=0x14bcb20) at kernel/qwidget.cpp:5808
#40 0x00007ffff59e65dc in QWidgetPrivate::drawWidget (
this=this@entry=0x37c04f50, pdev=pdev@entry=0x14e0ba0, rgn=...,
offset=..., flags=flags@entry=4, sharedPainter=sharedPainter@entry=0x0,
backingStore=backingStore@entry=0x14bcb20) at kernel/qwidget.cpp:5652
#41 0x00007ffff59e7450 in QWidgetPrivate::paintSiblingsRecursive (
Python Exception <class 'TypeError'> iter() returned non-iterator of type '_iterator':
this=this@entry=0x37c03790, pdev=pdev@entry=0x14e0ba0,
siblings=QList<QObject *>, index=<optimized out>, rgn=..., offset=...,
flags=flags@entry=4, sharedPainter=sharedPainter@entry=0x0,
backingStore=backingStore@entry=0x14bcb20) at kernel/qwidget.cpp:5808
#42 0x00007ffff59e65dc in QWidgetPrivate::drawWidget (
this=this@entry=0x37c03790, pdev=pdev@entry=0x14e0ba0, rgn=...,
offset=..., flags=flags@entry=4, sharedPainter=sharedPainter@entry=0x0,
backingStore=backingStore@entry=0x14bcb20) at kernel/qwidget.cpp:5652
#43 0x00007ffff59e7450 in QWidgetPrivate::paintSiblingsRecursive (
Python Exception <class 'TypeError'> iter() returned non-iterator of type '_iterator':
this=this@entry=0x37c01520, pdev=pdev@entry=0x14e0ba0,
siblings=QList<QObject *>, index=<optimized out>, index@entry=1, rgn=...,
offset=..., flags=flags@entry=4, sharedPainter=sharedPainter@entry=0x0,
backingStore=backingStore@entry=0x14bcb20) at kernel/qwidget.cpp:5808
#44 0x00007ffff59e72bf in QWidgetPrivate::paintSiblingsRecursive (
Python Exception <class 'TypeError'> iter() returned non-iterator of type '_iterator':
this=this@entry=0x37c01520, pdev=pdev@entry=0x14e0ba0,
siblings=QList<QObject *>, index=1, rgn=..., offset=...,
flags=flags@entry=4, sharedPainter=sharedPainter@entry=0x0,
---Type <return> to continue, or q <return> to quit---
backingStore=backingStore@entry=0x14bcb20) at kernel/qwidget.cpp:5795
#45 0x00007ffff59e65dc in QWidgetPrivate::drawWidget (
this=this@entry=0x37c01520, pdev=pdev@entry=0x14e0ba0, rgn=...,
offset=..., flags=flags@entry=4, sharedPainter=sharedPainter@entry=0x0,
backingStore=backingStore@entry=0x14bcb20) at kernel/qwidget.cpp:5652
#46 0x00007ffff59e7450 in QWidgetPrivate::paintSiblingsRecursive (
Python Exception <class 'TypeError'> iter() returned non-iterator of type '_iterator':
this=this@entry=0x149a370, pdev=pdev@entry=0x14e0ba0,
siblings=QList<QObject *>, index=<optimized out>, rgn=..., offset=...,
flags=flags@entry=4, sharedPainter=sharedPainter@entry=0x0,
backingStore=backingStore@entry=0x14bcb20) at kernel/qwidget.cpp:5808
#47 0x00007ffff59e65dc in QWidgetPrivate::drawWidget (this=0x149a370,
pdev=0x14e0ba0, rgn=..., offset=..., flags=flags@entry=5,
sharedPainter=sharedPainter@entry=0x0,
backingStore=backingStore@entry=0x14bcb20) at kernel/qwidget.cpp:5652
#48 0x00007ffff5ba994e in QWidgetBackingStore::sync (this=0x14bcb20)
at painting/qbackingstore.cpp:1373
#49 0x00007ffff59dbea0 in QWidgetPrivate::syncBackingStore (
this=this@entry=0x149a370) at kernel/qwidget.cpp:1894
#50 0x00007ffff59ebe7a in QWidget::event (this=0x146d4a0, event=0x14d8c80)
at kernel/qwidget.cpp:8680
#51 0x00007ffff599ce2c in QApplicationPrivate::notify_helper (
this=this@entry=0x1256310, receiver=receiver@entry=0x146d4a0,
e=e@entry=0x14d8c80) at kernel/qapplication.cpp:4567
---Type <return> to continue, or q <return> to quit---
#52 0x00007ffff59a34a0 in QApplication::notify (
this=this@entry=0x7fffffffdf30, receiver=receiver@entry=0x146d4a0,
e=e@entry=0x14d8c80) at kernel/qapplication.cpp:4353
#53 0x00000000009d821e in MixxxApplication::notify (this=0x7fffffffdf30,
target=0x146d4a0, event=0x14d8c80) at src/mixxxapplication.cpp:137
#54 0x00007ffff4fc44dd in QCoreApplication::notifyInternal (
this=0x7fffffffdf30, receiver=receiver@entry=0x146d4a0,
event=event@entry=0x14d8c80) at kernel/qcoreapplication.cpp:953
#55 0x00007ffff4fc7b3d in sendEvent (event=0x14d8c80, receiver=0x146d4a0)
at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#56 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0,
event_type=event_type@entry=0, data=0x1244f60)
at kernel/qcoreapplication.cpp:1577
#57 0x00007ffff4fc7fe3 in QCoreApplication::sendPostedEvents (
receiver=receiver@entry=0x0, event_type=event_type@entry=0)
at kernel/qcoreapplication.cpp:1470
#58 0x00007ffff4ff1f83 in sendPostedEvents ()
at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#59 postEventSourceDispatch (s=0x1258690)
at kernel/qeventdispatcher_glib.cpp:287
#60 0x00007ffff182de04 in g_main_context_dispatch ()
from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#61 0x00007ffff182e048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
---Type <return> to continue, or q <return> to quit---
#62 0x00007ffff182e0ec in g_main_context_iteration ()
from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#63 0x00007ffff4ff17a1 in QEventDispatcherGlib::processEvents (this=0x1257470,
flags=...) at kernel/qeventdispatcher_glib.cpp:434
#64 0x00007ffff5a3ebe6 in QGuiEventDispatcherGlib::processEvents (
this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#65 0x00007ffff4fc30af in QEventLoop::processEvents (this=this@entry=
0x7fffffffde70, flags=...) at kernel/qeventloop.cpp:149
#66 0x00007ffff4fc33a5 in QEventLoop::exec (this=this@entry=0x7fffffffde70,
flags=...) at kernel/qeventloop.cpp:204
#67 0x00007ffff4fc8b79 in QCoreApplication::exec ()
at kernel/qcoreapplication.cpp:1225
#68 0x00007ffff599b37c in QApplication::exec () at kernel/qapplication.cpp:3828
#69 0x000000000048800f in main (argc=1, argv=<optimized out>)
at src/main.cpp:116
(gdb)
(gdb)
(gdb)
Very strange. Sometimes even gdb does not return upon the crash.