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Thread 1 (Thread 0x7f5ac4224720 (LWP 10710)):
#0  0x00007f5abedc2686 in debListParser::LoadReleaseInfo(pkgCache::PkgFileIterator&, FileFd&, std::string) () from /usr/lib/libapt-pkg.so.4.11
No symbol table info available.
#1  0x00007f5abeddbabe in debPackagesIndex::Merge(pkgCacheGenerator&, OpProgress*) const () from /usr/lib/libapt-pkg.so.4.11
No symbol table info available.
#2  0x00007f5abed7c347 in ?? () from /usr/lib/libapt-pkg.so.4.11
No symbol table info available.
#3  0x00007f5abed821db in pkgCacheGenerator::MakeStatusCache(pkgSourceList&, OpProgress*, MMap**, bool) () from /usr/lib/libapt-pkg.so.4.11
No symbol table info available.
#4  0x00007f5abed75e22 in pkgCacheFile::BuildCaches(OpProgress*, bool) () from /usr/lib/libapt-pkg.so.4.11
No symbol table info available.
#5  0x00007f5abed76244 in pkgCacheFile::Open(OpProgress*, bool) () from /usr/lib/libapt-pkg.so.4.11
No symbol table info available.
#6  0x00007f5abf032f4a in ?? () from /usr/lib/python2.7/dist-packages/apt_pkg.so
No symbol table info available.
#7  0x000000000047c215 in ?? ()
No symbol table info available.
#8  0x000000000041ad3a in PyObject_Call ()
No symbol table info available.
#9  0x00000000004b6c8e in PyEval_EvalFrameEx ()
No symbol table info available.
#10 0x00000000004bce3d in PyEval_EvalCodeEx ()
No symbol table info available.
#11 0x00000000004b6b4b in PyEval_EvalFrameEx ()
No symbol table info available.
#12 0x00000000004bce3d in PyEval_EvalCodeEx ()
No symbol table info available.
#13 0x00000000004b6b4b in PyEval_EvalFrameEx ()
No symbol table info available.
#14 0x00000000004bce3d in PyEval_EvalCodeEx ()
No symbol table info available.
#15 0x00000000004490c8 in ?? ()
No symbol table info available.
#16 0x000000000041ad3a in PyObject_Call ()
No symbol table info available.
#17 0x00000000004b85ad in PyEval_EvalFrameEx ()
No symbol table info available.
#18 0x00000000004bce3d in PyEval_EvalCodeEx ()
No symbol table info available.
#19 0x0000000000448f0f in ?? ()
No symbol table info available.
#20 0x000000000041ad3a in PyObject_Call ()
No symbol table info available.
#21 0x000000000043078e in ?? ()
No symbol table info available.
#22 0x000000000041ad3a in PyObject_Call ()
No symbol table info available.
#23 0x00000000004b5e66 in PyEval_CallObjectWithKeywords ()
No symbol table info available.
#24 0x00007f5ac158861b in _pyglib_handler_marshal () from /usr/lib/libpyglib-2.0-python2.7.so.0
No symbol table info available.
#25 0x00007f5ac17cfb4d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#26 0x00007f5ac17d0348 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#27 0x00007f5ac17d0882 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#28 0x00007f5ac1a8aea1 in ?? () from /usr/lib/python2.7/dist-packages/glib/_glib.so
No symbol table info available.
#29 0x00000000004b7204 in PyEval_EvalFrameEx ()
No symbol table info available.
#30 0x00000000004b6e67 in PyEval_EvalFrameEx ()
No symbol table info available.
#31 0x00000000004b6e67 in PyEval_EvalFrameEx ()
No symbol table info available.
#32 0x00000000004bce3d in PyEval_EvalCodeEx ()
No symbol table info available.
#33 0x00000000004bd922 in PyEval_EvalCode ()
No symbol table info available.
#34 0x00000000004dcd42 in ?? ()
No symbol table info available.
#35 0x00000000004dd904 in PyRun_FileExFlags ()
No symbol table info available.
#36 0x00000000004de40e in PyRun_SimpleFileExFlags ()
No symbol table info available.
#37 0x00000000004ee80d in Py_Main ()
No symbol table info available.
#38 0x00007f5ac2be130d in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#39 0x000000000041cb79 in _start ()
No symbol table info available.