Application: konqueror (4.4.5 (KDE 4.4.5))
KDE Platform Version: 4.4.5 (KDE 4.4.5)
Qt Version: 4.6.3
Operating System: Linux 2.6.32-5-amd64 x86_64
Distribution: Debian GNU/Linux 6.0.5 (squeeze)

-- Information about the crash:
I was reading an article on the UK Guardian website www.guardian.co.uk, clicked the 'Back' button to return to the previous page, and Konqueror immediately crashed.

 -- Backtrace:
Application: Konqueror (konqueror), signal: Segmentation fault
The current source language is "auto; currently asm".
[Current thread is 1 (Thread 0x7fcaf1e89760 (LWP 3173))]

Thread 5 (Thread 0x7fcac3627700 (LWP 3269)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:211
#1  0x00007fcac7e3ef41 in ?? () from /usr/lib/libxine.so.1
#2  0x00007fcaeaef18ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#3  0x00007fcaf171492d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7fcac14d0700 (LWP 3271)):
#0  0x00007fcaf17099d3 in *__GI___poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fcaea8452c9 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007fcaea84571c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#3  0x00007fcaef51c706 in QEventDispatcherGlib::processEvents (this=0x8023b00, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:414
#4  0x00007fcaef4f19c2 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007fcaef4f1d9c in QEventLoop::exec (this=0x7fcac14cfdc0, flags=) at kernel/qeventloop.cpp:201
#6  0x00007fcaef40177b in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:487
#7  0x00007fcac809b400 in ?? () from /usr/lib/qt4/plugins/phonon_backend/phonon_xine.so
#8  0x00007fcaef403e15 in QThreadPrivate::start (arg=0x2731900) at thread/qthread_unix.cpp:248
#9  0x00007fcaeaef18ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#10 0x00007fcaf171492d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fcabb324700 (LWP 3277)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:211
#1  0x00007fcac7e3ef41 in ?? () from /usr/lib/libxine.so.1
#2  0x00007fcaeaef18ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#3  0x00007fcaf171492d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()
The current source language is "auto; currently c".

Thread 2 (Thread 0x7fcab74dc700 (LWP 3360)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:211
#1  0x00007fcac7e3ef41 in ?? () from /usr/lib/libxine.so.1
#2  0x00007fcaeaef18ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#3  0x00007fcaf171492d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()
The current source language is "auto; currently asm".

Thread 1 (Thread 0x7fcaf1e89760 (LWP 3173)):
[KCrash Handler]
#5  DOM::DocumentImpl::paintDevice (value=0x3ffaaa0, style=0x325b4d0, part=0xd3e59a0, op=MinPrefix) at ../../khtml/xml/dom_docimpl.h:378
#6  widthMediaFeatureEval (value=0x3ffaaa0, style=0x325b4d0, part=0xd3e59a0, op=MinPrefix) at ../../khtml/css/css_mediaquery.cpp:585
#7  0x00007fcae20a3793 in khtml::MediaQueryEvaluator::eval (this=0x6572f80, expr=0xb726120) at ../../khtml/css/css_mediaquery.cpp:780
#8  0x00007fcae20a390a in khtml::MediaQueryEvaluator::eval (this=0x6572f80, mediaList=0xa69b100, styleSelector=0x223bc30) at ../../khtml/css/css_mediaquery.cpp:296
#9  0x00007fcae207d00c in khtml::CSSStyleSelectorList::append (this=0x29734e0, sheet=0x114814c0, medium=<value optimized out>, styleSelector=<value optimized out>)
    at ../../khtml/css/cssstyleselector.cpp:2064
#10 0x00007fcae208cf21 in CSSStyleSelector (this=0x223bc30, doc=0xe1857b0, userStyleSheet=<value optimized out>, styleSheets=<value optimized out>, url=<value optimized out>, 
    _strictParsing=<value optimized out>) at ../../khtml/css/cssstyleselector.cpp:282
#11 0x00007fcae1f401e7 in DOM::DocumentImpl::rebuildStyleSelector (this=0xe1857b0) at ../../khtml/xml/dom_docimpl.cpp:2394
#12 0x00007fcae1f4031d in DOM::DocumentImpl::updateStyleSelector (this=0xe1857b0, shallow=false) at ../../khtml/xml/dom_docimpl.cpp:2213
#13 0x00007fcae1f9c0ac in DOM::HTMLStyleElementImpl::parseText (this=0xb3c1b40) at ../../khtml/html/html_headimpl.cpp:667
#14 0x00007fcae1f4861c in DOM::NodeBaseImpl::addChild (this=0xb3c1b40, newChild=0xb0ca4a0) at ../../khtml/xml/dom_nodeimpl.cpp:1811
#15 0x00007fcae1f87133 in khtml::KHTMLParser::insertNode (this=0xb5ca450, n=0xb0ca4a0, flat=true) at ../../khtml/html/htmlparser.cpp:414
#16 0x00007fcae1f8985b in khtml::KHTMLParser::parseToken (this=0xb5ca450, t=0xc9070b8) at ../../khtml/html/htmlparser.cpp:302
#17 0x00007fcae1f8a211 in khtml::HTMLTokenizer::processToken (this=0xc907090) at ../../khtml/html/htmltokenizer.cpp:2056
#18 0x00007fcae1f91bec in khtml::HTMLTokenizer::parseSpecial (this=0xc907090, src=<value optimized out>) at ../../khtml/html/htmltokenizer.cpp:372
#19 0x00007fcae1f933fe in khtml::HTMLTokenizer::parseTag (this=0xc907090, src=...) at ../../khtml/html/htmltokenizer.cpp:1560
#20 0x00007fcae1f94b90 in khtml::HTMLTokenizer::write (this=0xc907090, str=<value optimized out>, appendData=<value optimized out>) at ../../khtml/html/htmltokenizer.cpp:1810
#21 0x00007fcae1ee2325 in KHTMLPart::write (this=<value optimized out>, 
    data=0x1264d6b8 "<!DOCTYPE html><html><head><meta charset=\"utf-8\"><link rel=\"dns-prefetch\" href=\"//twitter.com\"><title>Twitter Tweet Button</title><style type=\"text/css\">html{margin:0;padding:0;font:normal normal norm"..., len=<value optimized out>) at ../../khtml/khtml_part.cpp:2102
#22 0x00007fcae1ed5af4 in KHTMLPart::slotRestoreData (this=0xd3e59a0, data=...) at ../../khtml/khtml_part.cpp:1804
#23 0x00007fcae1eff450 in KHTMLPart::qt_metacall (this=0xd3e59a0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7ffff64ba9e0) at ./khtml_part.moc:279
#24 0x00007fcaef5062e6 in QMetaObject::activate (sender=0x16de740, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x0) at kernel/qobject.cpp:3295
#25 0x00007fcae1f23542 in KHTMLPageCacheDelivery::emitData (this=0x0, _t1=<value optimized out>) at ./khtml_pagecache.moc:147
#26 0x00007fcae1f23b56 in KHTMLPageCache::sendData (this=0x12a3be0) at ../../khtml/khtml_pagecache.cpp:250
#27 0x00007fcae1f24679 in KHTMLPageCache::qt_metacall (this=0x12a3be0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7ffff64bab10) at ./khtml_pagecache.moc:75
#28 0x00007fcaef5062e6 in QMetaObject::activate (sender=0x35500e0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x0) at kernel/qobject.cpp:3295
#29 0x00007fcaef50d7ef in QSingleShotTimer::timerEvent (this=0x35500e0) at kernel/qtimer.cpp:308
#30 0x00007fcaef502b43 in QObject::event (this=0x35500e0, e=0x7ffff64bb270) at kernel/qobject.cpp:1212
#31 0x00007fcaee61a32c in QApplicationPrivate::notify_helper (this=0x108f480, receiver=0x35500e0, e=0x7ffff64bb270) at kernel/qapplication.cpp:4302
#32 0x00007fcaee62080b in QApplication::notify (this=0x7ffff64bb720, receiver=0x35500e0, e=0x7ffff64bb270) at kernel/qapplication.cpp:4185
#33 0x00007fcaefedb796 in KApplication::notify (this=0x7ffff64bb720, receiver=0x35500e0, event=0x7ffff64bb270) at ../../kdeui/kernel/kapplication.cpp:302
#34 0x00007fcaef4f309c in QCoreApplication::notifyInternal (this=0x7ffff64bb720, receiver=0x35500e0, event=0x7ffff64bb270) at kernel/qcoreapplication.cpp:726
#35 0x00007fcaef51fe72 in QCoreApplication::sendEvent (this=0x1093140) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#36 QTimerInfoList::activateTimers (this=0x1093140) at kernel/qeventdispatcher_unix.cpp:603
#37 0x00007fcaef51c9c4 in timerSourceDispatch (source=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#38 0x00007fcaea8416f2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#39 0x00007fcaea845568 in ?? () from /lib/libglib-2.0.so.0
#40 0x00007fcaea84571c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#41 0x00007fcaef51c6b3 in QEventDispatcherGlib::processEvents (this=0x1072f80, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#42 0x00007fcaee6ca19e in QGuiEventDispatcherGlib::processEvents (this=0x0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#43 0x00007fcaef4f19c2 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#44 0x00007fcaef4f1d9c in QEventLoop::exec (this=0x7ffff64bb510, flags=) at kernel/qeventloop.cpp:201
#45 0x00007fcaef4f6a2b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1003
#46 0x00007fcaf1a6a76b in kdemain (argc=<value optimized out>, argv=<value optimized out>) at ../../../../apps/konqueror/src/konqmain.cpp:257
#47 0x00007fcaf1663c8d in __libc_start_main (main=<value optimized out>, argc=<value optimized out>, ubp_av=<value optimized out>, init=<value optimized out>, fini=<value optimized out>, 
    rtld_fini=<value optimized out>, stack_end=0x7ffff64bc0f8) at libc-start.c:228
#48 0x0000000000400699 in _start ()

Reported using DrKonqi