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Date:      Thu, 17 Mar 2016 21:40:11 +0200
From:      "Oleg V. Nauman" <oleg@opentransfer.com>
To:        freebsd-current@freebsd.org
Subject:   Fatal error 'mutex is on list' at line 139 in file /usr/src/lib/libthr/thread/thr_mutex.c (errno = 35)
Message-ID:  <5093647.qxI0C33PyG@asus.theweb.org.ua>

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 I'm experiencing issue with threaded applications ( including many KDE 
applications ) after recent CURRENT update. Attempt to start application cause 
Abort trap (6) with "Fatal error 'mutex is on list' at line 139 in file 
/usr/src/lib/libthr/thread/thr_mutex.c (errno = 35)" output on console. 

FreeBSD 11.0-CURRENT amd64 r296887

Backtrace from application looks like

Application: KGpg (kgpg), signal: Abort trap
[Switching to Thread 810815000 (LWP 100865/kgpg)]
[KCrash Handler]
#8  0x0000000807176d6a in thr_kill () from /lib/libc.so.7
#9  0x0000000807176d3b in __raise (s=6) at /usr/src/lib/libc/gen/raise.c:52
#10 0x0000000807176ca9 in abort () at /usr/src/lib/libc/stdlib/abort.c:65
#11 0x0000000806e9e62c in _thread_exit (fname=<value optimized out>, 
lineno=<value optimized out>, msg=<value optimized out>) at 
/usr/src/lib/libthr/thread/thr_exit.c:182
#12 0x0000000806e996fc in mutex_lock_common (m=<value optimized out>, 
abstime=<value optimized out>, cvattach=<value optimized out>) at 
/usr/src/lib/libthr/thread/thr_mutex.c:139
#13 0x0000000806e98c20 in __pthread_mutex_timedlock (mutex=0x814600008, 
abstime=0x7fffffff5a58) at /usr/src/lib/libthr/thread/thr_mutex.c:566
#14 0x000000080568b560 in KSharedDataCache::setTimestamp () from 
/usr/local/lib/libkdecore.so.5
#15 0x000000080568b7df in KSharedDataCache::setTimestamp () from 
/usr/local/lib/libkdecore.so.5
#16 0x000000080568802e in KSharedDataCache::find () from 
/usr/local/lib/libkdecore.so.5
#17 0x00000008038192db in KIconLoader::drawOverlays () from 
/usr/local/lib/libkdeui.so.5
#18 0x000000080381596a in KIconLoader::loadIcon () from 
/usr/local/lib/libkdeui.so.5
#19 0x0000000803814366 in KIconEffect::overlay () from 
/usr/local/lib/libkdeui.so.5
#20 0x00000008040aff3d in QIcon::pixmap () from 
/usr/local/lib/qt4/libQtGui.so.4
#21 0x000000080431e9df in QCommonStyle::drawControl () from 
/usr/local/lib/qt4/libQtGui.so.4
#22 0x000000080437011f in QPlastiqueStyle::drawControl () from 
/usr/local/lib/qt4/libQtGui.so.4
#23 0x000000080431be51 in QCommonStyle::drawControl () from 
/usr/local/lib/qt4/libQtGui.so.4
#24 0x000000080437011f in QPlastiqueStyle::drawControl () from 
/usr/local/lib/qt4/libQtGui.so.4
#25 0x000000080396151b in KPushButton::paintEvent () from 
/usr/local/lib/libkdeui.so.5
#26 0x000000080405916c in QWidget::event () from 
/usr/local/lib/qt4/libQtGui.so.4
#27 0x00000008043b7fd0 in QAbstractButton::event () from 
/usr/local/lib/qt4/libQtGui.so.4
#28 0x000000080400a43c in QApplicationPrivate::notify_helper () from 
/usr/local/lib/qt4/libQtGui.so.4
#29 0x000000080400ca61 in QApplication::notify () from 
/usr/local/lib/qt4/libQtGui.so.4
#30 0x00000008038724b7 in KApplication::notify () from 
/usr/local/lib/libkdeui.so.5
#31 0x0000000805f8eaa6 in QCoreApplication::notifyInternal () from 
/usr/local/lib/qt4/libQtCore.so.4
#32 0x0000000804053eaa in QWidgetPrivate::drawWidget () from 
/usr/local/lib/qt4/libQtGui.so.4
#33 0x0000000804054657 in QWidgetPrivate::paintSiblingsRecursive () from 
/usr/local/lib/qt4/libQtGui.so.4
#34 0x000000080405404e in QWidgetPrivate::drawWidget () from 
/usr/local/lib/qt4/libQtGui.so.4
#35 0x0000000804054657 in QWidgetPrivate::paintSiblingsRecursive () from 
/usr/local/lib/qt4/libQtGui.so.4
#36 0x000000080405404e in QWidgetPrivate::drawWidget () from 
/usr/local/lib/qt4/libQtGui.so.4
#37 0x000000080422d7b6 in QWidgetPrivate::scrollRect () from 
/usr/local/lib/qt4/libQtGui.so.4
#38 0x00000008040590cb in QWidget::event () from 
/usr/local/lib/qt4/libQtGui.so.4
#39 0x000000080400a43c in QApplicationPrivate::notify_helper () from 
/usr/local/lib/qt4/libQtGui.so.4
#40 0x000000080400ca61 in QApplication::notify () from 
/usr/local/lib/qt4/libQtGui.so.4
#41 0x00000008038724b7 in KApplication::notify () from 
/usr/local/lib/libkdeui.so.5
#42 0x0000000805f8eaa6 in QCoreApplication::notifyInternal () from 
/usr/local/lib/qt4/libQtCore.so.4
#43 0x000000080422ae07 in QPrinterInfo::supportedPaperSizes () from 
/usr/local/lib/qt4/libQtGui.so.4
#44 0x000000080405b44f in QWidget::repaint () from 
/usr/local/lib/qt4/libQtGui.so.4
#45 0x000000080405b384 in QWidget::repaint () from 
/usr/local/lib/qt4/libQtGui.so.4
#46 0x00000008043b804c in QAbstractButton::mousePressEvent () from 
/usr/local/lib/qt4/libQtGui.so.4
#47 0x00000008040590be in QWidget::event () from 
/usr/local/lib/qt4/libQtGui.so.4
#48 0x00000008043b7fd0 in QAbstractButton::event () from 
/usr/local/lib/qt4/libQtGui.so.4
#49 0x000000080400a43c in QApplicationPrivate::notify_helper () from 
/usr/local/lib/qt4/libQtGui.so.4
#50 0x000000080400bdbc in QApplication::notify () from 
/usr/local/lib/qt4/libQtGui.so.4
#51 0x00000008038724b7 in KApplication::notify () from 
/usr/local/lib/libkdeui.so.5
#52 0x0000000805f8eaa6 in QCoreApplication::notifyInternal () from 
/usr/local/lib/qt4/libQtCore.so.4
#53 0x000000080400ae87 in QApplicationPrivate::sendMouseEvent () from 
/usr/local/lib/qt4/libQtGui.so.4
#54 0x0000000804081cf5 in qt_try_modal () from 
/usr/local/lib/qt4/libQtGui.so.4
#55 0x000000080408043b in QApplication::x11ProcessEvent () from 
/usr/local/lib/qt4/libQtGui.so.4
#56 0x00000008040ab78c in QX11Info::isCompositingManagerRunning () from 
/usr/local/lib/qt4/libQtGui.so.4
#57 0x000000080b8c65f5 in g_main_context_dispatch () from 
/usr/local/lib/libglib-2.0.so.0
#58 0x000000080b8c6914 in g_main_context_pending () from 
/usr/local/lib/libglib-2.0.so.0
#59 0x000000080b8c69a4 in g_main_context_iteration () from 
/usr/local/lib/libglib-2.0.so.0
#60 0x0000000805fbb1ee in QEventDispatcherGlib::processEvents () from 
/usr/local/lib/qt4/libQtCore.so.4
#61 0x00000008040ab43d in QX11Info::isCompositingManagerRunning () from 
/usr/local/lib/qt4/libQtGui.so.4
#62 0x0000000805f8c122 in QEventLoop::exec () from 
/usr/local/lib/qt4/libQtCore.so.4
#63 0x0000000805f8f04d in QCoreApplication::exec () from 
/usr/local/lib/qt4/libQtCore.so.4
#64 0x00000000004a5364 in ?? ()
#65 0x0000000000000001 in ?? ()
#66 0x00007fffffffe4d8 in ?? ()
#67 0x00007fffffffe4d0 in ?? ()
#68 0x00007fffffffe4c8 in ?? ()
#69 0x00007fffffffe4c0 in ?? ()
#70 0x00007fffffffe5a0 in ?? ()
#71 0x0000000000751a20 in vtable for QSpacerItem ()
#72 0x0000000000751a20 in vtable for QSpacerItem ()
#73 0x000000081083da80 in ?? ()
#74 0x0000000000751a20 in vtable for QSpacerItem ()
#75 0x000000081083da80 in ?? ()
#76 0x0000000810833430 in ?? ()
#77 0x0000000000751a20 in vtable for QSpacerItem ()
#78 0x000000081083da80 in ?? ()
#79 0x00000008108333d0 in ?? ()
#80 0x0000000000751a20 in vtable for QSpacerItem ()
#81 0x000000081083da80 in ?? ()
#82 0x00000008108332b0 in ?? ()
#83 0x0000000000751a20 in vtable for QSpacerItem ()
#84 0x000000081083da80 in ?? ()
#85 0x00000008108332e0 in ?? ()
#86 0x0000000000751a20 in vtable for QSpacerItem ()
#87 0x000000081083da80 in ?? ()
#88 0x0000000810833370 in ?? ()
#89 0x0000000000751a20 in vtable for QSpacerItem ()
#90 0x000000081083da80 in ?? ()
#91 0x0000000810833310 in ?? ()
#92 0x0000000000751a20 in vtable for QSpacerItem ()
#93 0x000000081083da80 in ?? ()
#94 0x0000000810833190 in ?? ()
#95 0x000000081085edc0 in ?? ()
#96 0x00007fff00000003 in ?? ()
#97 0x0000000000751a20 in vtable for QSpacerItem ()
#98 0x000000081085d2c0 in ?? ()
#99 0x000000081083c630 in ?? ()
#100 0x000000081083c5e0 in ?? ()
#101 0x0000000000751a20 in vtable for QSpacerItem ()
#102 0x000000081085d2c0 in ?? ()
#103 0x000000081083c630 in ?? ()
#104 0x000000081083c5e0 in ?? ()
#105 0x0000000000751a20 in vtable for QSpacerItem ()
#106 0x0000000810832950 in ?? ()
#107 0x000000081083c630 in ?? ()
#108 0x000000081083c5e0 in ?? ()
#109 0x000000081085d140 in ?? ()
#110 0x000000081083c720 in ?? ()
#111 0x000000081083c6d0 in ?? ()
#112 0x000000081083c680 in ?? ()
#113 0x000000081083c630 in ?? ()
#114 0x00000008108327d0 in ?? ()
#115 0x000000081083c5e0 in ?? ()
#116 0x0000000000751a20 in vtable for QSpacerItem ()
#117 0x0000000810832770 in ?? ()
#118 0x000000081085f180 in ?? ()
#119 0x0100000000000001 in ?? ()
#120 0x0000000000000000 in ?? ()





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