$ gdb -c ./testapp.core ./tests/.libs/testapp
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This GDB was configured as "amd64-unknown-openbsd4.9"...
Core was generated by `testapp'.
Program terminated with signal 6, Aborted.
Reading symbols from /usr/lib/libpthread.so.13.1...done.
Loaded symbols for /usr/lib/libpthread.so.13.1
Reading symbols from /usr/ports/pobj/libmemcached-0.50/libmemcached-0.50/tests/.libs/libmemcachedutil.so.1.0...done.
Loaded symbols for tests/.libs/libmemcachedutil.so.1.0
Reading symbols from /usr/ports/pobj/libmemcached-0.50/libmemcached-0.50/tests/.libs/libmemcached.so.1.0...done.
Loaded symbols for tests/.libs/libmemcached.so.1.0
Reading symbols from /usr/ports/pobj/libmemcached-0.50/libmemcached-0.50/tests/.libs/libsasl2.so.2.22...done.
Loaded symbols for tests/.libs/libsasl2.so.2.22
Reading symbols from /usr/ports/pobj/libmemcached-0.50/libmemcached-0.50/tests/.libs/libhashkit.so.1.0...done.
Loaded symbols for tests/.libs/libhashkit.so.1.0
Reading symbols from /usr/lib/libstdc++.so.50.0...done.
Loaded symbols for /usr/lib/libstdc++.so.50.0
Reading symbols from /usr/ports/pobj/libmemcached-0.50/libmemcached-0.50/tests/.libs/libm.so.5.2...done.
Loaded symbols for tests/.libs/libm.so.5.2
Symbols already loaded for /usr/lib/libpthread.so.13.1
Reading symbols from /usr/lib/libc.so.58.0...done.
Loaded symbols for /usr/lib/libc.so.58.0
Reading symbols from /usr/libexec/ld.so...done.
Loaded symbols for /usr/libexec/ld.so
#0  0x0000000201a273ea in kill () from /usr/lib/libc.so.58.0



(gdb) bt
#0  0x0000000201a273ea in kill () from /usr/lib/libc.so.58.0
#1  0x0000000201a824f1 in abort () at /usr/src/lib/libc/stdlib/abort.c:68
#2  0x0000000201a087c4 in __assert2 (file=Variable "file" is not available.
) at /usr/src/lib/libc/gen/assert.c:52
#3  0x000000020096d58f in io_flush (ptr=0x2058bd000, with_flush=false, error=0x7f7ffffbe07c) at libmemcached/io.cc:701
#4  0x000000020096da5e in _io_write (ptr=0x2058bd000, buffer=0x7f7ffffbe4c0, length=2626, with_flush=false) at libmemcached/io.cc:497
#5  0x000000020096dbc6 in memcached_io_writev (ptr=0x2058bd000, vector=0x7f7ffffbe1f0, number_of=3, with_flush=false) at libmemcached/io.cc:540
#6  0x0000000200966b3e in memcached_vdo (ptr=0x2058bd000, vector=0x7f7ffffbe1e0, count=3, with_flush=false) at libmemcached/do.cc:80
#7  0x0000000200976294 in memcached_send (ptr=0x20b6e3400, group_key=0x2039d0f00 "02006368", group_key_length=8, key=0x2039d0f00 "02006368", key_length=8,
    value=0x7f7ffffbe4c0 "", value_length=3333, expiration=0, flags=0, cas=0, verb=SET_OP) at libmemcached/storage.cc:193
#8  0x0000000200976a4a in memcached_set (ptr=0x20b6e3400, key=0x2039d0f00 "02006368", key_length=8, value=0x7f7ffffbe4c0 "", value_length=3333,
    expiration=0, flags=0) at libmemcached/storage.cc:235
#9  0x0000000000407d35 in regression_bug_490520 (memc=0x20b6e3400) at tests/mem_functions.cc:5951
#10 0x00000000004056a4 in _runner_default (func=0x407b4c <regression_bug_490520>, container=0x8396a0) at libmemcached_world.h:148
#11 0x000000000042752f in main (argc=1, argv=0x7f7ffffbf4b0) at libtest/test.c:288



(gdb) bt full
#0  0x0000000201a273ea in kill () from /usr/lib/libc.so.58.0
No symbol table info available.
#1  0x0000000201a824f1 in abort () at /usr/src/lib/libc/stdlib/abort.c:68
        p = (struct atexit *) 0x20478a000
        mask = 4294967263
        cleanup_called = 1
#2  0x0000000201a087c4 in __assert2 (file=Variable "file" is not available.
) at /usr/src/lib/libc/gen/assert.c:52
No locals.
#3  0x000000020096d58f in io_flush (ptr=0x2058bd000, with_flush=false, error=0x7f7ffffbe07c) at libmemcached/io.cc:701
        sent_length = -1
        return_length = 2824
        local_write_ptr = 0x2058bfb94 ""
        write_length = 5372
        __func__ = "io_flush"
#4  0x000000020096da5e in _io_write (ptr=0x2058bd000, buffer=0x7f7ffffbe4c0, length=2626, with_flush=false) at libmemcached/io.cc:497
        rc = MEMCACHED_SUCCESS
        sent_length = 0
        write_ptr = 0x2058c0dcd ""
        should_write = 707
        buffer_end = 8196
        original_length = 3333
        buffer_ptr = 0x7f7ffffbe783 ""
        __func__ = "_io_write"
#5  0x000000020096dbc6 in memcached_io_writev (ptr=0x2058bd000, vector=0x7f7ffffbe1f0, number_of=3, with_flush=false) at libmemcached/io.cc:540
        returnable = 23
        x = 1
        total = 23
#6  0x0000000200966b3e in memcached_vdo (ptr=0x2058bd000, vector=0x7f7ffffbe1e0, count=3, with_flush=false) at libmemcached/do.cc:80
        rc = MEMCACHED_SUCCESS
        sent_length = 140187732272112
        command_length = 8600944086
        __func__ = "memcached_vdo"
#7  0x0000000200976294 in memcached_send (ptr=0x20b6e3400, group_key=0x2039d0f00 "02006368", group_key_length=8, key=0x2039d0f00 "02006368", key_length=8,
    value=0x7f7ffffbe4c0 "", value_length=3333, expiration=0, flags=0, cas=0, verb=SET_OP) at libmemcached/storage.cc:193
        vector = {{length = 23, buffer = 0x7f7ffffbe250}, {length = 3333, buffer = 0x7f7ffffbe4c0}, {length = 2, buffer = 0x200a7fe56}}
        to_write = false
        write_length = 23
        buffer = "set 02006368 0 0 3333\r\n", '\0' <repeats 81 times>, "H\r\002", '\0' <repeats 211 times>, "ÿÿÿÿ\000\000\000\000\020U\026\022\200\201\020000
\020\000\000\000\000\000\000\005\000\235\003\002"
        rc = MEMCACHED_SUCCESS
        server_key = 0
        instance = 0x2058bd000
        __func__ = "memcached_send"
#8  0x0000000200976a4a in memcached_set (ptr=0x20b6e3400, key=0x2039d0f00 "02006368", key_length=8, value=0x7f7ffffbe4c0 "", value_length=3333,
    expiration=0, flags=0) at libmemcached/storage.cc:235
        rc = 32639
#9  0x0000000000407d35 in regression_bug_490520 (memc=0x20b6e3400) at tests/mem_functions.cc:5951
        k = "02006368\000¯$2\000\000\000\000\v\000\000\000\001\000\000\000\v", '\0' <repeats 15 times>, "\001\000\000\000\000\000\000\000 \034\206\000\000\00
0\000\000\031\r\002", '\0' <repeats 11 times>, "\211%H\r\002\000\000\000\004\000\000\000\000\000\000\000\004\000\000\000\000\000\000\000Pÿ\177\177\000\000\\2
26\000\002\000\000\000\006\000\000\000\000\000\000\000@214\005\002\000\000\000°ÿ\177\177\000\000\236\a\227\000\002\000\000\000°4n\v", '\0' <repeats 13 times>
, "4n\v\000\000\000\000@214\005\002\000\000\000@214\005\002\000\000\000\000213\005\000\000\000\000\005\000\000\000\005\000\000\000\0004n\v\002\000\000\000À".
..
        rc = MEMCACHED_BUFFERED
        x = 6368
        keys = (char **) 0x201356000
        key_length = (size_t *) 0x20e38a000
        blob = '\0' <repeats 3332 times>
#10 0x00000000004056a4 in _runner_default (func=0x407b4c <regression_bug_490520>, container=0x8396a0) at libmemcached_world.h:148
No locals.
#11 0x000000000042752f in main (argc=1, argv=0x7f7ffffbf4b0) at libtest/test.c:288
        start_time = {tv_sec = 1310287081, tv_usec = 842077}
        end_time = {tv_sec = 1310287081, tv_usec = 837676}
        load_time = 0
        collection_rc = TEST_SUCCESS
        run = (test_st *) 0x6319c8
        failed = false
        skipped = true
        next = (collection_st *) 0x632860
        return_code = TEST_SUCCESS
        x = 0
        collection_to_run = 0x0
        wildcard = 0x0
        world = {collections = 0x6321e0, create = 0x405dec <world_create>, destroy = 0x405948 <world_destroy>, test = {
    startup = 0x405bea <world_test_startup>, flush = 0x405bb2 <world_flush>, pre_run = 0x405ad6 <world_pre_run>, post_run = 0x405a7c <world_post_run>,
    on_error = 0x405986 <world_on_error>}, collection = {startup = 0x405d26 <world_container_startup>, shutdown = 0x4059bc <world_container_shutdown>},
  runner = 0x632960}
        collection = (collection_st *) 0x6321e0
        world_ptr = (void *) 0x8396a0
        stats = {collection_success = 41, collection_skipped = 9, collection_failed = 0, collection_total = 53, success = 1376, skipped = 3, failed = 1,
  total = 1380}
        __func__ = "main"