#0  0x00007f4172584243 in pkgAcqArchive::pkgAcqArchive(pkgAcquire*, pkgSourceList*, pkgRecords*, pkgCache::VerIterator const&, std::string&) ()
   from /usr/lib/libapt-pkg-libc6.9-6.so.4.7
#1  0x00007f41725620a3 in pkgPackageManager::GetArchives(pkgAcquire*, pkgSourceList*, pkgRecords*) () from /usr/lib/libapt-pkg-libc6.9-6.so.4.7
#2  0x0000000000462502 in ?? ()
#3  0x000000000044bd69 in ?? ()
#4  0x000000000044cf01 in ?? ()
#5  0x0000000000440c77 in ?? ()
#6  0x00007f416fdb067e in g_closure_invoke ()
   from /usr/lib/libgobject-2.0.so.0
#7  0x00007f416fdc6856 in ?? () from /usr/lib/libgobject-2.0.so.0
#8  0x00007f416fdc7c9e in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
#9  0x00007f416fdc8044 in g_signal_emit_by_name ()
   from /usr/lib/libgobject-2.0.so.0
#10 0x00007f416fdb067e in g_closure_invoke ()
   from /usr/lib/libgobject-2.0.so.0
#11 0x00007f416fdc6856 in ?? () from /usr/lib/libgobject-2.0.so.0
#12 0x00007f416fdc7c9e in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
#13 0x00007f416fdc8223 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#14 0x00007f4171b2f375 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#15 0x00007f416fdb067e in g_closure_invoke ()
   from /usr/lib/libgobject-2.0.so.0
#16 0x00007f416fdc6165 in ?? () from /usr/lib/libgobject-2.0.so.0
#17 0x00007f416fdc7c9e in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
#18 0x00007f416fdc8223 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#19 0x00007f4171b2dbc7 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#20 0x00007f4171bf4c03 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#21 0x00007f416fdb067e in g_closure_invoke ()
   from /usr/lib/libgobject-2.0.so.0
#22 0x00007f416fdc6528 in ?? () from /usr/lib/libgobject-2.0.so.0
#23 0x00007f416fdc7b5e in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
#24 0x00007f416fdc8223 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#25 0x00007f4171d157ff in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#26 0x00007f4171bebac4 in gtk_propagate_event ()
   from /usr/lib/libgtk-x11-2.0.so.0
#27 0x00007f4171becbe3 in gtk_main_do_event ()
   from /usr/lib/libgtk-x11-2.0.so.0
#28 0x00007f41714f3e7c in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#29 0x00007f416f912a8e in g_main_context_dispatch ()
   from /usr/lib/libglib-2.0.so.0
#30 0x00007f416f916458 in ?? () from /usr/lib/libglib-2.0.so.0
#31 0x00007f416f9168b5 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#32 0x00007f4171bed117 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#33 0x0000000000417394 in ?? ()
#34 0x00007f416debd606 in __libc_start_main () from /lib/libc.so.6
#35 0x0000000000415489 in ?? ()
#36 0x00007fff023303f8 in ?? ()
#37 0x000000000000001c in ?? ()
#38 0x0000000000000001 in ?? ()
#39 0x00007fff02331ea0 in ?? ()
#40 0x0000000000000000 in ?? ()