Here's a segfault backtrace that I just got:
#0 0x080ab83d in dw::Textblock::sizeRequestReference (this=0x955e260,
index=-1224641713) at textblock.cc:423
#1 0x080bcd63 in dw::oof::OOFAwareWidget::OOFAwareWidgetIterator::numParts (
this=0x9e446a8, sectionIndex=-1, numContentsInFlow=0)
at oofawarewidget_iterator.cc:84
#2 0x080bcc0e in dw::oof::OOFAwareWidget::OOFAwareWidgetIterator::OOFAwareWidgetIterator (this=0x9e446a8, widget=0x9484458, mask=108, atEnd=true,
numContentsInFlow=0) at oofawarewidget_iterator.cc:46
#3 0x080b40a3 in dw::Textblock::TextblockIterator::TextblockIterator (
this=0x9e446a8, textblock=0x9484458, mask=108, atEnd=true)
at textblock_iterator.cc:36
#4 0x080ad18a in dw::Textblock::iterator (this=0x9484458, mask=108,
atEnd=true) at textblock.cc:1172
#5 0x080d092f in dw::core::DeepIterator::prev (this=0x923c848)
at iterator.cc:711
#6 0x080d099f in dw::core::DeepIterator::prev (this=0x923c848)
at iterator.cc:723
#7 0x080d0dc6 in dw::core::CharIterator::prev (this=0x9e446d8)
at iterator.cc:825
#8 0x080cf0ab in dw::core::FindtextState::search0 (this=0x91554fc,
backwards=true, firstTrial=false) at findtext.cc:273
#9 0x080ceaf8 in dw::core::FindtextState::search (this=0x91554fc,
key=0x94e9dd0 "rows ", caseSens=false, backwards=true) at findtext.cc:113
#10 0x0805aa01 in dw::core::Layout::search (this=0x9155430,
str=0x94e9dd0 "rows ", caseSens=false, backwards=1) at ../dw/layout.hh:431
#11 0x0805a703 in a_UIcmd_findtext_search (bw=0x91550a0,
key=0x94e9dd0 "rows ", case_sens=0, backward=1) at uicmd.cc:1484
#12 0x08090973 in Findbar::searchBackwards_cb (vfb=0x914afa8) at findbar.cc:100
#13 0xb75e8500 in Fl_Widget::do_callback(Fl_Widget*, void*) ()
from /usr/lib/i386-linux-gnu/libfltk.so.1.3
#14 0xb7592d33 in Fl_Button::handle(int) ()
from /usr/lib/i386-linux-gnu/libfltk.so.1.3
#15 0x08052f03 in TipWinButton::handle (this=0x9154dd8, e=12) at tipwin.cc:158
#16 0x08053070 in CustButton::handle (this=0x9154dd8, e=12) at tipwin.cc:194
#17 0xb75a29b4 in ?? () from /usr/lib/i386-linux-gnu/libfltk.so.1.3
#18 0xb75a3256 in Fl_Group::handle(int) ()
from /usr/lib/i386-linux-gnu/libfltk.so.1.3
#19 0x08090eae in Findbar::handle (this=0x914afa8, event=12) at findbar.cc:192
#20 0xb75a29b4 in ?? () from /usr/lib/i386-linux-gnu/libfltk.so.1.3
#21 0xb75a3256 in Fl_Group::handle(int) ()
from /usr/lib/i386-linux-gnu/libfltk.so.1.3
#22 0x08055b2d in UI::handle (this=0x914d698, event=12) at ui.cc:790
#23 0xb758a62b in ?? () from /usr/lib/i386-linux-gnu/libfltk.so.1.3
#24 0xb758b732 in Fl::handle_(int, Fl_Window*) ()
from /usr/lib/i386-linux-gnu/libfltk.so.1.3
#25 0xb758b9bc in Fl::handle(int, Fl_Window*) ()
from /usr/lib/i386-linux-gnu/libfltk.so.1.3
#26 0xb758b75f in Fl::handle_(int, Fl_Window*) ()
from /usr/lib/i386-linux-gnu/libfltk.so.1.3
#27 0xb758b9bc in Fl::handle(int, Fl_Window*) ()
from /usr/lib/i386-linux-gnu/libfltk.so.1.3
#28 0xb75edd40 in fl_handle(_XEvent const&) ()
from /usr/lib/i386-linux-gnu/libfltk.so.1.3
#29 0xb75ef486 in ?? () from /usr/lib/i386-linux-gnu/libfltk.so.1.3
#30 0xb75ef6b6 in fl_wait(double) ()
from /usr/lib/i386-linux-gnu/libfltk.so.1.3
#31 0xb758c567 in Fl::wait(double) ()
from /usr/lib/i386-linux-gnu/libfltk.so.1.3
#32 0xb758c6de in Fl::run() () from /usr/lib/i386-linux-gnu/libfltk.so.1.3
#33 0x08052443 in main (argc=1, argv=0xbff0d434) at dillo.cc:578