Program received signal SIGSEGV, Segmentation fault.
0x000000000061c4a2 in Inkscape::Drawing::renderMode (this=0x0) at display/drawing.cpp:78
78	{
(gdb) bt
#0  0x000000000061c4a2 in Inkscape::Drawing::renderMode (this=0x0) at display/drawing.cpp:78
#1  Inkscape::Drawing::outline (this=0x0) at display/drawing.cpp:79
#2  0x00000000006204b8 in Inkscape::DrawingItem::_markForRendering (this=this@entry=0x469c0b0) at display/drawing-item.cpp:1026
#3  0x0000000000620fb0 in Inkscape::DrawingItem::setTransform (this=0x469c0b0, new_trans=...) at display/drawing-item.cpp:273
#4  0x000000000057943c in SPItem::update (this=this@entry=0x4654d20, ctx=ctx@entry=0x7fffffffd830, flags=flags@entry=1) at sp-item.cpp:665
#5  0x0000000000591945 in SPLPEItem::update (this=this@entry=0x4654d20, ctx=ctx@entry=0x7fffffffd830, flags=flags@entry=1) at sp-lpe-item.cpp:181
#6  0x00000000005be82a in SPShape::update (this=0x4654d20, ctx=0x7fffffffd830, flags=1) at sp-shape.cpp:130
#7  0x00000000005a80db in SPObject::updateDisplay (this=0x4654d20, ctx=0x7fffffffd830, flags=65) at sp-object.cpp:1176
#8  0x00000000005816f9 in SPGroup::update (this=this@entry=0x46391f0, ctx=ctx@entry=0x7fffffffd9b0, flags=flags@entry=2) at sp-item-group.cpp:173
#9  0x00000000005b8300 in SPRoot::update (this=0x46391f0, ctx=0x7fffffffda90, flags=2) at sp-root.cpp:290
#10 0x00000000005a80db in SPObject::updateDisplay (this=0x46391f0, ctx=0x7fffffffda90, flags=2) at sp-object.cpp:1176
#11 0x00000000004a8fbb in SPDocument::_updateDocument (this=this@entry=0x1e9ab00) at document.cpp:1164
#12 0x00000000004a8fe9 in sp_document_idle_handler (data=0x1e9ab00) at document.cpp:1232
#13 0x00007ffff1067eaa in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#14 0x00007ffff1068250 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#15 0x00007ffff1068572 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#16 0x00007ffff541ca07 in gtk_main () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#17 0x000000000046f9df in sp_main_gui (argc=1, argv=0x7fffffffdf78) at main.cpp:1079
#18 0x00007fffefea2a40 in __libc_start_main (main=0x4548e0 <main(int, char**)>, argc=1, argv=0x7fffffffdf78, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, 
    stack_end=0x7fffffffdf68) at libc-start.c:289
#19 0x000000000046bdd9 in _start ()


Program received signal SIGSEGV, Segmentation fault.
0x00007ffff0a152c3 in __dynamic_cast () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
(gdb) bt
#0  0x00007ffff0a152c3 in __dynamic_cast () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#1  0x00000000005be8ae in SPShape::update (this=0x4545e70, ctx=<optimized out>, flags=<optimized out>) at sp-shape.cpp:166
#2  0x00000000005a80db in SPObject::updateDisplay (this=0x4545e70, ctx=0x7fffffffd830, flags=65) at sp-object.cpp:1176
#3  0x00000000005816f9 in SPGroup::update (this=this@entry=0x453c450, ctx=ctx@entry=0x7fffffffd9b0, flags=flags@entry=2) at sp-item-group.cpp:173
#4  0x00000000005b8300 in SPRoot::update (this=0x453c450, ctx=0x7fffffffda90, flags=2) at sp-root.cpp:290
#5  0x00000000005a80db in SPObject::updateDisplay (this=0x453c450, ctx=0x7fffffffda90, flags=2) at sp-object.cpp:1176
#6  0x00000000004a8fbb in SPDocument::_updateDocument (this=this@entry=0x1e9ab00) at document.cpp:1164
#7  0x00000000004a8fe9 in sp_document_idle_handler (data=0x1e9ab00) at document.cpp:1232
#8  0x00007ffff1067eaa in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007ffff1068250 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007ffff1068572 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007ffff541ca07 in gtk_main () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#12 0x000000000046f9df in sp_main_gui (argc=1, argv=0x7fffffffdf78) at main.cpp:1079
#13 0x00007fffefea2a40 in __libc_start_main (main=0x4548e0 <main(int, char**)>, argc=1, argv=0x7fffffffdf78, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, 
    stack_end=0x7fffffffdf68) at libc-start.c:289
#14 0x000000000046bdd9 in _start ()


Program received signal SIGSEGV, Segmentation fault.
0x00000000006267a3 in Inkscape::DrawingCache::markDirty (this=0xcccccececececece, area=...) at display/drawing-surface.cpp:190
190	    cairo_region_subtract_rectangle(_clean_region, &dirty);
(gdb) bt
#0  0x00000000006267a3 in Inkscape::DrawingCache::markDirty (this=0xcccccececececece, area=...) at display/drawing-surface.cpp:190
#1  0x000000000062051e in Inkscape::DrawingItem::_markForRendering (this=this@entry=0x45cade0) at display/drawing-item.cpp:1038
#2  0x0000000000620fb0 in Inkscape::DrawingItem::setTransform (this=0x45cade0, new_trans=...) at display/drawing-item.cpp:273
#3  0x000000000057943c in SPItem::update (this=this@entry=0x4546410, ctx=ctx@entry=0x7fffffffd830, flags=flags@entry=1) at sp-item.cpp:665
#4  0x0000000000591945 in SPLPEItem::update (this=this@entry=0x4546410, ctx=ctx@entry=0x7fffffffd830, flags=flags@entry=1) at sp-lpe-item.cpp:181
#5  0x00000000005be82a in SPShape::update (this=0x4546410, ctx=0x7fffffffd830, flags=1) at sp-shape.cpp:130
#6  0x00000000005a80db in SPObject::updateDisplay (this=0x4546410, ctx=0x7fffffffd830, flags=65) at sp-object.cpp:1176
#7  0x00000000005816f9 in SPGroup::update (this=this@entry=0x45394d0, ctx=ctx@entry=0x7fffffffd9b0, flags=flags@entry=2) at sp-item-group.cpp:173
#8  0x00000000005b8300 in SPRoot::update (this=0x45394d0, ctx=0x7fffffffda90, flags=2) at sp-root.cpp:290
#9  0x00000000005a80db in SPObject::updateDisplay (this=0x45394d0, ctx=0x7fffffffda90, flags=2) at sp-object.cpp:1176
#10 0x00000000004a8fbb in SPDocument::_updateDocument (this=this@entry=0x1e9ab00) at document.cpp:1164
#11 0x00000000004a8fe9 in sp_document_idle_handler (data=0x1e9ab00) at document.cpp:1232
#12 0x00007ffff1067eaa in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#13 0x00007ffff1068250 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#14 0x00007ffff1068572 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#15 0x00007ffff541ca07 in gtk_main () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#16 0x000000000046f9df in sp_main_gui (argc=1, argv=0x7fffffffdf78) at main.cpp:1079
#17 0x00007fffefea2a40 in __libc_start_main (main=0x4548e0 <main(int, char**)>, argc=1, argv=0x7fffffffdf78, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, 
    stack_end=0x7fffffffdf68) at libc-start.c:289
#18 0x000000000046bdd9 in _start ()