(gdb) bt
#0  0x00007f6966f3e1e5 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#1  0x00007f6966f41398 in __GI_abort () at abort.c:90
#2  0x00007f69675c43ec in CallSystemHandler (Signal=Signal@entry=6)
    at /home/master/src/libreoffice/workdirs/libreoffice-4.2/sal/osl/unx/signal.c:901
#3  0x00007f69675c463c in SignalHandlerFunction (Signal=6)
    at /home/master/src/libreoffice/workdirs/libreoffice-4.2/sal/osl/unx/signal.c:994
#4  <signal handler called>
#5  0x00007f6966f3e1e5 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#6  0x00007f6966f41398 in __GI_abort () at abort.c:90
#7  0x00007f6961d8b595 in SalAbort (rErrorText="", bDumpCore=<optimized out>)
    at /home/master/src/libreoffice/workdirs/libreoffice-4.2/vcl/unx/generic/plugadapt/salplug.cxx:281
#8  0x00007f6961715ab1 in Application::Abort (rErrorText="")
    at /home/master/src/libreoffice/workdirs/libreoffice-4.2/vcl/source/app/svapp.cxx:323
#9  0x00007f69672ceb12 in desktop::Desktop::Exception (this=0x7fffa3b0c4f0, nError=<optimized out>)
    at /home/master/src/libreoffice/workdirs/libreoffice-4.2/desktop/source/app/app.cxx:1332
#10 0x00007f6961722f00 in VCLExceptionSignal_impl (pInfo=0x7fffa3b07b20)
    at /home/master/src/libreoffice/workdirs/libreoffice-4.2/vcl/source/app/svmain.cxx:131
#11 0x00007f69675c4262 in CallSignalHandler (pInfo=pInfo@entry=0x7fffa3b07b20)
    at /home/master/src/libreoffice/workdirs/libreoffice-4.2/sal/osl/unx/signal.c:859
#12 0x00007f69675c4621 in SignalHandlerFunction (Signal=7)
    at /home/master/src/libreoffice/workdirs/libreoffice-4.2/sal/osl/unx/signal.c:991
#13 <signal handler called>
#14 0x00007f694c680a9c in boost::spirit::skipper_iteration_policy<boost::spirit::iteration_policy>::skip<boost::spirit::scanner<boost::spirit::file_iterator<char, boost::spirit::fileiter_impl::mmap_file_iterator<char> >, boost::spirit::scanner_policies<boost::spirit::skipper_iteration_policy<boost::spirit::iteration_policy>, boost::spirit::match_policy, boost::spirit::action_policy> > > (this=this@entry=0x7fffa3b08060, scan=...)
    at /usr/include/boost/spirit/home/classic/core/scanner/skipper.hpp:61
#15 0x00007f694c67fddb in boost::spirit::skipper_iteration_policy<boost::spirit::iteration_policy>::at_end<boost::spirit::scanner<boost::spirit::file_iterator<char, boost::spirit::fileiter_impl::mmap_file_iterator<char> >, boost::spirit::scanner_policies<boost::spirit::skipper_iteration_policy<boost::spirit::iteration_policy>, boost::spirit::match_policy, boost::spirit::action_policy> > > (this=this@entry=0x7fffa3b08060, scan=...)
    at /usr/include/boost/spirit/home/classic/core/scanner/skipper.hpp:53
#16 0x00007f694c67eeff in boost::spirit::scanner<boost::spirit::file_iterator<char, boost::spirit::fileiter_impl::mmap_file_iterator<char> >, boost::spirit::scanner_policies<boost::spirit::skipper_iteration_policy<boost::spirit::iteration_policy>, boost::spirit::match_policy, boost::spirit::action_policy> >::at_end (this=
    0x7fffa3b08060) at /usr/include/boost/spirit/home/classic/core/scanner/scanner.hpp:252
#17 0x00007f694c67e419 in boost::spirit::scanner<boost::spirit::file_iterator<char, boost::spirit::fileiter_impl::mmap_file_iterator<char> >, boost::spirit::scanner_policies<boost::spirit::skipper_iteration_policy<boost::spirit::iteration_policy>, boost::spirit::match_policy, boost::spirit::action_policy> >::scanner (this=

    0x7fffa3b08060, first_=..., last_=..., policies=...)
    at /usr/include/boost/spirit/home/classic/core/scanner/scanner.hpp:235
#18 0x00007f694c67d8a3 in boost::spirit::impl::phrase_parser<boost::spirit::space_parser>::parse<boost::spirit::file_iterator<char, boost::spirit::fileiter_impl::mmap_file_iterator<char> >, PDFGrammar<boost::spirit::file_iterator<char, boost::spirit::fileiter_impl::mmap_file_iterator<char> > > > (first_=..., last=..., p=...)
---Type <return> to continue, or q <return> to quit---
    at /usr/include/boost/spirit/home/classic/core/scanner/impl/skipper.ipp:132
#19 0x00007f694c67cd53 in boost::spirit::parse<boost::spirit::file_iterator<char, boost::spirit::fileiter_impl::mmap_file_iterator<char> >, PDFGrammar<boost::spirit::file_iterator<char, boost::spirit::fileiter_impl::mmap_file_iterator<char> > >, boost::spirit::space_parser> (first=..., last=..., p=..., skip=...)
    at /usr/include/boost/spirit/home/classic/core/scanner/impl/skipper.ipp:155
#20 0x00007f694c67b022 in pdfparse::PDFReader::read (this=0x7fffa3b0855f, pFileName=
    0x1a5ba78 "/path/to/foo.pdf")
    at /home/master/src/libreoffice/workdirs/libreoffice-4.2/sdext/source/pdfimport/pdfparse/pdfparse.cxx:636
#21 0x00007f694c66034f in pdfi::getAdditionalStream (
    rInPDFFileURL="file:///path/to/foo.pdf", rOutMimetype="", io_rPwd="", xContext=uno::Reference to (cppu::ComponentContext *) 0xae5b00, 
    rFilterData=uno::Sequence of length 9 = {...}, bMayUseUI=false, bMayUseUI@entry=9)
    at /home/master/src/libreoffice/workdirs/libreoffice-4.2/sdext/source/pdfimport/filterdet.cxx:482
#22 0x00007f694c65f7ed in pdfi::PDFDetector::detect (this=0x1a526e0, 
    rFilterData=uno::Sequence of length 9 = {...})
    at /home/master/src/libreoffice/workdirs/libreoffice-4.2/sdext/source/pdfimport/filterdet.cxx:299
#23 0x00007f694c9e70e7 in filter::config::TypeDetection::impl_askDetectService (this=0x19ec300, 
    sDetectService="org.libreoffice.comp.documents.PDFDetector", rDescriptor=...)
    at /home/master/src/libreoffice/workdirs/libreoffice-4.2/filter/source/config/cache/typedetection.cxx:1039
#24 0x00007f694c9e6b4e in filter::config::TypeDetection::impl_detectTypeFlatAndDeep (this=0x19ec300, 
Python Exception <type 'exceptions.IndexError'> list index out of range: 
    rDescriptor=..., lFlatTypes=std::__debug::list, bAllowDeep=<optimized out>, rUsedDetectors=..., 
    rLastChance="")
    at /home/master/src/libreoffice/workdirs/libreoffice-4.2/filter/source/config/cache/typedetection.cxx:945
#25 0x00007f694c9e3aa5 in filter::config::TypeDetection::queryTypeByDescriptor (this=0x19ec300, 
    lDescriptor=uno::Sequence of length 5 = {...}, bAllowDeep=<optimized out>)
    at /home/master/src/libreoffice/workdirs/libreoffice-4.2/filter/source/config/cache/typedetection.cxx:427
#26 0x00007f694e4d2e06 in framework::LoadEnv::impl_detectTypeAndFilter (this=0x19ed770)
    at /home/master/src/libreoffice/workdirs/libreoffice-4.2/framework/source/loadenv/loadenv.cxx:829
#27 0x00007f694e4d14c6 in framework::LoadEnv::startLoading (this=0x19ed770)
    at /home/master/src/libreoffice/workdirs/libreoffice-4.2/framework/source/loadenv/loadenv.cxx:385
#28 0x00007f694e4592b1 in framework::LoadDispatcher::impl_dispatch (this=0x19ed6f0, rURL=..., 
    lArguments=uno::Sequence of length 4 = {...}, xListener=empty uno::Reference)
    at /home/master/src/libreoffice/workdirs/libreoffice-4.2/framework/source/dispatch/loaddispatcher.cxx:119
#29 0x00007f694e458f82 in framework::LoadDispatcher::dispatchWithReturnValue (this=0x19ed6f0, rURL=..., 
    lArguments=uno::Sequence of length 4 = {...})
    at /home/master/src/libreoffice/workdirs/libreoffice-4.2/framework/source/dispatch/loaddispatcher.cxx:65
#30 0x00007f6965d42726 in comphelper::SynchronousDispatch::dispatch (xStartPoint=
    uno::Reference to (framework::Desktop *) 0x1643d48, 
    sURL="file:///path/to/foo.pdf", sTarget="_default", nFlags=0, lArguments=uno::Sequence of length 4 = {...})
    at /home/master/src/libreoffice/workdirs/libreoffice-4.2/comphelper/source/misc/synchronousdispatch.cxx:69
#31 0x00007f69673019d1 in desktop::DispatchWatcher::executeDispatchRequests (this=0x19b6620, 
    aDispatchRequestsList=std::__debug::vector of length 1, capacity 1 = {...}, bNoTerminate=<optimized out>)
    at /home/master/src/libreoffice/workdirs/libreoffice-4.2/desktop/source/app/dispatchwatcher.cxx:386
---Type <return> to continue, or q <return> to quit---
#32 0x00007f696730f91e in desktop::OfficeIPCThread::ExecuteCmdLineRequests (aRequest=...)
    at /home/master/src/libreoffice/workdirs/libreoffice-4.2/desktop/source/app/officeipcthread.cxx:1061
#33 0x00007f69672d4a1f in desktop::Desktop::OpenClients ()
    at /home/master/src/libreoffice/workdirs/libreoffice-4.2/desktop/source/app/app.cxx:2493
#34 0x00007f69672d1e67 in desktop::Desktop::OpenClients_Impl (this=0x7fffa3b0c4f0)
    at /home/master/src/libreoffice/workdirs/libreoffice-4.2/desktop/source/app/app.cxx:2012
#35 0x00007f69672d1e01 in desktop::Desktop::LinkStubOpenClients_Impl (pThis=0x7fffa3b0c4f0, pCaller=0x0)
    at /home/master/src/libreoffice/workdirs/libreoffice-4.2/desktop/source/app/app.cxx:2007
#36 0x00007f69616ffde6 in Link::Call (this=0x19ad050, pCaller=0x0)
    at /home/master/src/libreoffice/workdirs/libreoffice-4.2/include/tools/link.hxx:123
#37 0x00007f6961cd9597 in ImplHandleUserEvent (pSVEvent=pSVEvent@entry=0x1960310)
    at /home/master/src/libreoffice/workdirs/libreoffice-4.2/vcl/source/window/winproc.cxx:1976
#38 0x00007f6961cdaaf7 in ImplWindowFrameProc (pWindow=0x1677e80, nEvent=22, pEvent=0x1960310)
    at /home/master/src/libreoffice/workdirs/libreoffice-4.2/vcl/source/window/winproc.cxx:2591
#39 0x00007f6961ce9259 in SalFrame::CallCallback (this=this@entry=0x1678440, nEvent=nEvent@entry=22, 
    pEvent=pEvent@entry=0x1960310)
    at /home/master/src/libreoffice/workdirs/libreoffice-4.2/vcl/inc/salframe.hxx:243
#40 0x00007f6961ce8d82 in SalGenericDisplay::DispatchInternalEvent (this=0x15de500)
    at /home/master/src/libreoffice/workdirs/libreoffice-4.2/vcl/generic/app/gendisp.cxx:91
#41 0x00007f69563b1b7c in GtkData::userEventFn (data=data@entry=0xaccf50)
    at /home/master/src/libreoffice/workdirs/libreoffice-4.2/vcl/unx/gtk/app/gtkdata.cxx:935
#42 0x00007f69563b1bd7 in call_userEventFn (data=0xaccf50)
    at /home/master/src/libreoffice/workdirs/libreoffice-4.2/vcl/unx/gtk/app/gtkdata.cxx:945
#43 0x00007f6960549355 in g_main_dispatch (context=0x15dc570)
    at /tmp/buildd/glib2.0-2.33.12+really2.32.4/./glib/gmain.c:2539
#44 g_main_context_dispatch (context=context@entry=0x15dc570)
    at /tmp/buildd/glib2.0-2.33.12+really2.32.4/./glib/gmain.c:3075
#45 0x00007f6960549688 in g_main_context_iterate (context=context@entry=0x15dc570, block=block@entry=1, 
    dispatch=dispatch@entry=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>)
    at /tmp/buildd/glib2.0-2.33.12+really2.32.4/./glib/gmain.c:3146
#46 0x00007f6960549744 in g_main_context_iteration (context=0x15dc570, may_block=1)
    at /tmp/buildd/glib2.0-2.33.12+really2.32.4/./glib/gmain.c:3207
#47 0x00007f69563b0ad5 in GtkData::Yield (this=0xaccf50, bWait=<optimized out>, 
    bHandleAllCurrentEvents=<optimized out>)
    at /home/master/src/libreoffice/workdirs/libreoffice-4.2/vcl/unx/gtk/app/gtkdata.cxx:576
#48 0x00007f69563b4aaa in GtkInstance::Yield (this=0xacce90, bWait=<optimized out>, 
    bHandleAllCurrentEvents=<optimized out>)
    at /home/master/src/libreoffice/workdirs/libreoffice-4.2/vcl/unx/gtk/app/gtkinst.cxx:425
#49 0x00007f69617194f6 in ImplYield (i_bWait=i_bWait@entry=true, i_bAllEvents=i_bAllEvents@entry=false)
    at /home/master/src/libreoffice/workdirs/libreoffice-4.2/vcl/source/app/svapp.cxx:364
#50 0x00007f6961715b9f in Application::Yield ()
    at /home/master/src/libreoffice/workdirs/libreoffice-4.2/vcl/source/app/svapp.cxx:396
#51 0x00007f6961715b4b in Application::Execute ()
    at /home/master/src/libreoffice/workdirs/libreoffice-4.2/vcl/source/app/svapp.cxx:345
---Type <return> to continue, or q <return> to quit---
#52 0x00007f69672d01ef in desktop::Desktop::Main (this=0x7fffa3b0c4f0)
    at /home/master/src/libreoffice/workdirs/libreoffice-4.2/desktop/source/app/app.cxx:1715
#53 0x00007f6961723013 in ImplSVMain ()
    at /home/master/src/libreoffice/workdirs/libreoffice-4.2/vcl/source/app/svmain.cxx:162
#54 0x00007f696172311d in SVMain ()
    at /home/master/src/libreoffice/workdirs/libreoffice-4.2/vcl/source/app/svmain.cxx:198
#55 0x00007f69673124e9 in soffice_main ()
    at /home/master/src/libreoffice/workdirs/libreoffice-4.2/desktop/source/app/sofficemain.cxx:85
#56 0x0000000000400938 in sal_main ()
    at /home/master/src/libreoffice/workdirs/libreoffice-4.2/desktop/source/app/main.c:48
#57 0x0000000000400919 in main (argc=4, argv=0x7fffa3b0c838)
    at /home/master/src/libreoffice/workdirs/libreoffice-4.2/desktop/source/app/main.c:47