#0  0x00007f3a9f9f9ae4 in pkgCache::ReMap(bool const&) () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
No symbol table info available.
#1  0x00007f3a9f9f9d7a in pkgCache::pkgCache(MMap*, bool) () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
No symbol table info available.
#2  0x00007f3a9fa3ae99 in ?? () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
No symbol table info available.
#3  0x00007f3a9fa3d504 in pkgCacheGenerator::MakeStatusCache(pkgSourceList&, OpProgress*, MMap**, bool) () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
No symbol table info available.
#4  0x00007f3a9fa3426a in pkgCacheFile::BuildCaches(OpProgress*, bool) () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
No symbol table info available.
#5  0x00007f3a9fa34694 in pkgCacheFile::Open(OpProgress*, bool) () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
No symbol table info available.
#6  0x000000000040f0b4 in ?? ()
No symbol table info available.
#7  0x00007f3a9f9eb1e3 in CommandLine::DispatchArg(CommandLine::Dispatch*, bool) () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
No symbol table info available.
#8  0x0000000000409ad4 in ?? ()
No symbol table info available.
#9  0x00007f3a9f0fa76d in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#10 0x0000000000409df1 in ?? ()
No symbol table info available.
#11 0x00007fffbd188528 in ?? ()
No symbol table info available.
#12 0x000000000000001c in ?? ()
No symbol table info available.
#13 0x0000000000000004 in ?? ()
No symbol table info available.
#14 0x00007fffbd188f37 in ?? ()
No symbol table info available.
#15 0x00007fffbd188f3f in ?? ()
No symbol table info available.
#16 0x00007fffbd188f45 in ?? ()
No symbol table info available.
#17 0x00007fffbd188f48 in ?? ()
No symbol table info available.
#18 0x0000000000000000 in ?? ()
No symbol table info available.