Backtrace:

Program received signal SIGSEGV, Segmentation fault.
0xb68a4e29 in PopplerCache::lookup(PopplerCacheKey const&) ()
   from /usr/lib/libpoppler.so.5
(gdb) bt
#0  0xb68a4e29 in PopplerCache::lookup(PopplerCacheKey const&) ()
   from /usr/lib/libpoppler.so.5
#1  0xb687a99e in GfxICCBasedColorSpace::parse(Array*, Gfx*) ()
   from /usr/lib/libpoppler.so.5
#2  0xb687a6c3 in GfxColorSpace::parse(Object*, Gfx*) ()
   from /usr/lib/libpoppler.so.5
#3  0x085bde39 in PdfParser::opSetFillColorSpace (this=0x97a4dc0, 
    args=0xbfffde58, numArgs=1)
    at extension/internal/pdfinput/pdf-parser.cpp:1014
#4  0x085b98c7 in PdfParser::go (this=0x97a4dc0, topLevel=1)
    at extension/internal/pdfinput/pdf-parser.cpp:409
#5  0x085bd02d in PdfParser::parse (this=0x97a4dc0, obj=0xbfffe0b4, topLevel=1)
    at extension/internal/pdfinput/pdf-parser.cpp:381
#6  0x08222d19 in Inkscape::Extension::Internal::PdfInput::open (
    this=0x8a8e530, uri=0xbcd941c "/home/scislac/dl/studyguidelawrence.pdf")
    at extension/internal/pdfinput/pdf-input.cpp:728
#7  0x08205db7 in Inkscape::Extension::Input::open (this=0x8b55810, 
    uri=0xbcd941c "/home/scislac/dl/studyguidelawrence.pdf")
    at extension/input.cpp:153
#8  0x08203f4f in Inkscape::Extension::open (key=0x0, 
    filename=0xbcd941c "/home/scislac/dl/studyguidelawrence.pdf")
    at extension/system.cpp:97
#9  0x0809925e in sp_file_open (uri=..., key=0x0, add_to_recent=true, 
    replace_empty=true) at file.cpp:222
#10 0x0809bcaa in sp_file_open_dialog (parentWindow=...) at file.cpp:540
#11 0x082484cd in sp_action_perform (action=0x8f3dea8, data=0x0)
    at helper/action.cpp:181
#12 0xb71d80ec in g_cclosure_marshal_VOID__VOID ()
   from /usr/lib/libgobject-2.0.so.0
#13 0xb71c9e52 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#14 0xb71dfc6d in ?? () from /usr/lib/libgobject-2.0.so.0
#15 0xb71e1204 in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#16 0xb71e16a6 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#17 0xb7578e85 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#18 0xb757b0ed in gtk_action_activate () from /usr/lib/libgtk-x11-2.0.so.0
#19 0xb7758c0f in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#20 0xb71d80ec in g_cclosure_marshal_VOID__VOID ()
   from /usr/lib/libgobject-2.0.so.0
#21 0xb71c9e52 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#22 0xb71dfc6d in ?? () from /usr/lib/libgobject-2.0.so.0
#23 0xb71e1204 in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#24 0xb71e16a6 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#25 0xb759613a in gtk_button_clicked () from /usr/lib/libgtk-x11-2.0.so.0
#26 0xb7597c88 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#27 0xb71d80ec in g_cclosure_marshal_VOID__VOID ()
   from /usr/lib/libgobject-2.0.so.0
---Type <return> to continue, or q <return> to quit---
#28 0xb71c84d9 in ?? () from /usr/lib/libgobject-2.0.so.0
#29 0xb71c9e52 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#30 0xb71df5ea in ?? () from /usr/lib/libgobject-2.0.so.0
#31 0xb71e1204 in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#32 0xb71e16a6 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#33 0xb75961da in gtk_button_released () from /usr/lib/libgtk-x11-2.0.so.0
#34 0xb7596404 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#35 0xb766a038 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#36 0xb71c84d9 in ?? () from /usr/lib/libgobject-2.0.so.0
#37 0xb71c9e52 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#38 0xb71df996 in ?? () from /usr/lib/libgobject-2.0.so.0
#39 0xb71e1083 in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#40 0xb71e16a6 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#41 0xb77ae0ce in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#42 0xb76613f0 in gtk_propagate_event () from /usr/lib/libgtk-x11-2.0.so.0
#43 0xb766292f in gtk_main_do_event () from /usr/lib/libgtk-x11-2.0.so.0
#44 0xb74ca3ea in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#45 0xb7126f95 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#46 0xb712ac98 in ?? () from /lib/libglib-2.0.so.0
#47 0xb712b1ef in g_main_loop_run () from /lib/libglib-2.0.so.0
#48 0xb7662f39 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#49 0xb7e4b9f7 in Gtk::Main::run_impl() () from /usr/lib/libgtkmm-2.4.so.1
#50 0xb7e4b7f2 in Gtk::Main::run() () from /usr/lib/libgtkmm-2.4.so.1
#51 0x0808992b in sp_main_gui (argc=1, argv=0xbffff4d4) at main.cpp:953
#52 0x08169b3a in Inkscape::NSApplication::Application::run (this=0xbffff3f8)
    at application/application.cpp:114
#53 0x08088d92 in main (argc=1, argv=0xbffff4d4) at main.cpp:689