#0  __GI___libc_free (mem=0x7f2cdd181990) at malloc.c:2929
        ar_ptr = <optimized out>
        p = <optimized out>
        hook = 0x0
#1  0x00007f2cdd184964 in delete_descriptor () from /usr/lib/ladspa/tap_chorusflanger.so
No symbol table info available.
#2  0x00007f2cdd966871 in _dl_close_worker (map=<optimized out>) at dl-close.c:277
        imap = 0x6fe070
        i = 7
        dl_close_state = pending
        nsid = <optimized out>
        ns = <optimized out>
        any_tls = false
        nloaded = <optimized out>
        used = <optimized out>
        done = <optimized out>
        maps = 0x7ffff584e150
        idx = <optimized out>
        __PRETTY_FUNCTION__ = "_dl_close_worker"
        done_index = <optimized out>
        do_audit = <optimized out>
        unload_any = <optimized out>
        scope_mem_left = false
        unload_global = 0
        first_loaded = 5
        r = <optimized out>
        tls_free_start = <optimized out>
        tls_free_end = <optimized out>
#3  0x00007f2cdd96544e in _dl_open (file=0x6fe710 "/usr/lib/ladspa/tap_chorusflanger.so", mode=<optimized out>, caller_dlopen=<optimized out>, nsid=<optimized out>, argc=1, argv=0x7ffff584e648, env=0x7ffff584e658) at dl-open.c:686
        len_errstring = <optimized out>
        local_errstring = <optimized out>
        args = {file = 0x6fe710 "/usr/lib/ladspa/tap_chorusflanger.so", mode = -2147483647, caller_dlopen = 0x400c20, caller_dl_open = 0x7f2cdd74e02b <dlopen_doit+91>, map = 0x6fe070, nsid = 0, argc = 1, argv = 0x7ffff584e648, env = 0x7ffff584e658}
        objname = 0x6ff8d7 "/usr/lib/ladspa/tap_chorusflanger.so"
        errstring = 0x6ff8c0 "undefined symbol: cosf"
        malloced = true
        errcode = 0
        __PRETTY_FUNCTION__ = "_dl_open"
#4  0x00007f2cdd74e02b in dlopen_doit (a=a@entry=0x7ffff584e4d0) at dlopen.c:66
        args = 0x7ffff584e4d0
#5  0x00007f2cdd960ff4 in _dl_catch_error (objname=0x7f2cdd950110 <last_result+16>, errstring=0x7f2cdd950118 <last_result+24>, mallocedp=0x7f2cdd950108 <last_result+8>, operate=0x7f2cdd74dfd0 <dlopen_doit>, args=0x7ffff584e4d0) at dl-error.c:187
        errcode = 32556
        c = {objname = 0x7f2cdd950110 <last_result+16>, errstring = 0x7f2cdd950118 <last_result+24>, malloced = 0x7f2cdd950108 <last_result+8>, errcode = 0x7ffff584e3b4, env = {{__jmpbuf = {140737312514456, 7462320984747347419, 140737312515280, 140737312515584, 17, 7299915, 7361464022074330587, 7462320149910851035}, __mask_was_saved = 17, __saved_mask = {__val = {139830664635696, 7361464022086913499, 7462320149910851035, 7310863298363223649, 0, 511101108334, 0, 140737312515199, 7299088, 139830672885079, 124, 0, 0, 139830666820696, 139830672818432, 139830670714413}}}}}
        catchp = 0x7f2cddb39738
        old = <optimized out>
#6  0x00007f2cdd74e62d in _dlerror_run (operate=operate@entry=0x7f2cdd74dfd0 <dlopen_doit>, args=args@entry=0x7ffff584e4d0) at dlerror.c:163
        result = 0x7f2cdd950100 <last_result>
#7  0x00007f2cdd74e0c1 in __dlopen (file=<optimized out>, mode=<optimized out>) at dlopen.c:87
        args = {file = 0x6fe710 "/usr/lib/ladspa/tap_chorusflanger.so", mode = 1, new = 0x6f6010, caller = 0x400c20}
#8  0x0000000000400c20 in ?? ()
No symbol table info available.
#9  0x00000000004009be in ?? ()
No symbol table info available.
#10 0x00007f2cdd3a8ec5 in __libc_start_main (main=0x4009b0, argc=1, argv=0x7ffff584e648, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffff584e638) at libc-start.c:285
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -7361477120801960485, 4196805, 140737312515648, 0, 0, 7361464021873003995, 7462321623032729051}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x400da0, 0x7ffff584e648}, data = {prev = 0x0, cleanup = 0x0, canceltype = 4197792}}}
        not_first_call = <optimized out>
#11 0x00000000004009ee in ?? ()
No symbol table info available.