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Thread 1 (Thread 5032):
#0  __strncmp_ssse3 () at ../sysdeps/x86_64/multiarch/../strcmp.S:1563
No locals.
#1  0x0000000000407923 in ?? ()
No symbol table info available.
#2  0x00000000004081e9 in ?? ()
No symbol table info available.
#3  0x00007f2e8594d393 in CommandLine::DispatchArg(CommandLine::Dispatch*, bool) () from /usr/lib/libapt-pkg-libc6.10-6.so.4.8
No symbol table info available.
#4  0x000000000040ee47 in ?? ()
No symbol table info available.
#5  0x00007f2e84c0ac4d in __libc_start_main (main=<value optimized out>, 
    argc=<value optimized out>, ubp_av=<value optimized out>, 
    init=<value optimized out>, fini=<value optimized out>, 
    rtld_fini=<value optimized out>, stack_end=0x7fff51d672b8)
    at libc-start.c:226
        result = <value optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 5306634941192877524, 
                4221024, 140734566396608, 0, 0, -5306832522102295084, 
                -5189837967146207788}, mask_was_saved = 0}}, priv = {pad = {
              0x0, 0x0, 0x416e50, 0x7fff51d672c8}, data = {prev = 0x0, 
              cleanup = 0x0, canceltype = 4288080}}}
        not_first_call = <value optimized out>
#6  0x0000000000406889 in ?? ()
No symbol table info available.
#7  0x00007fff51d672b8 in ?? ()
No symbol table info available.
#8  0x000000000000001c in ?? ()
No symbol table info available.
#9  0x0000000000000003 in ?? ()
No symbol table info available.
#10 0x00007fff51d6780b in ?? ()
No symbol table info available.
#11 0x00007fff51d67813 in ?? ()
No symbol table info available.
#12 0x00007fff51d6781a in ?? ()
No symbol table info available.
#13 0x0000000000000000 in ?? ()
No symbol table info available.