我们在apache上有一个分段错误错误，它产生了一个核心文件。 以下是gdb的结果，但我需要一些帮助来解释它的含义。 核心文件由httpd.worker线程生成。 谢谢你的帮助。
(gdb) thread apply all bt full Thread 2 (Thread 0x7f650c6bd7e0 (LWP 16186)): #0 0x00007f650afa922d in pthread_join (threadid=140071382447872, thread_return=0x7fff888e34d8) at pthread_join.c:89 __ignore = -512 _tid = 16217 _buffer = {__routine = 0x7f650afa9100 <cleanup>, __arg = 0x7f64e8fe7d28, __canceltype = 5, __prev = 0x0} oldtype = 0 pd = 0x7f64e8fe7700 self = 0x7f650c6bd7e0 result = 0 #1 0x00007f650b1e0985 in apr_thread_join (retval=0x7fff888e351c, thd=0x7f650d9977c0) at threadproc/unix/thread.c:217 stat = -512 thread_stat = 0x0 #2 0x00007f650c71268c in join_workers (listener=<value optimized out>, threads=<value optimized out>) at /usr/src/debug/httpd-2.2.15/server/mpm/worker/worker.c:1104 worker_os_thread = 0x7f650d9977e8 i = <value optimized out> rv = <value optimized out> thread_rv = 0 #3 0x00007f650c71324f in child_main (child_num_arg=1) at /usr/src/debug/httpd-2.2.15/server/mpm/worker/worker.c:1287 threads = 0x7f650da57e60 rv = <value optimized out> ts = 0x7f650d9966c0 thread_attr = 0x7f650d9966e0 start_thread_id = 0x7f650d996740 #4 0x00007f650c71348f in make_child (s=0x7f650d86f890, slot=1) at /usr/src/debug/httpd-2.2.15/server/mpm/worker/worker.c:1341 pid = 0 #5 0x00007f650c7142c4 in perform_idle_server_maintenance (_pconf=<value optimized out>, plog=<value optimized out>, s=<value optimized out>) at /usr/src/debug/httpd-2.2.15/server/mpm/worker/worker.c:1560 j = <value optimized out> free_slots = {1, 0, 0, 0, 0, 32613, 228410624, 32613, 6, 0, 28687086, 32613, 226918760, 32613, 28623622, 32613, 228410536, 32613, 28693678, 32613, 228410624, 32613, 227270584, 32613, 227270584, 32613, 186441781, 32613, 226949264, 32613, 19, 0} total_non_dead = <value optimized out> active_thread_count = <value optimized out> idle_thread_count = <value optimized out> free_length = 1 i = <value optimized out> ---Type <return> to continue, or q <return> to quit--- ps = <value optimized out> totally_free_length = <value optimized out> last_non_dead = <value optimized out> #6 server_main_loop (_pconf=<value optimized out>, plog=<value optimized out>, s=<value optimized out>) at /usr/src/debug/httpd-2.2.15/server/mpm/worker/worker.c:1663 status = 0 pid = {pid = -1, in = 0x7f650d87f438, out = 0x7f650d866250, err = 0x7f650c92bbe8} i = <value optimized out> child_slot = <value optimized out> exitwhy = APR_PROC_EXIT processed_status = <value optimized out> #7 ap_mpm_run (_pconf=<value optimized out>, plog=<value optimized out>, s=<value optimized out>) at /usr/src/debug/httpd-2.2.15/server/mpm/worker/worker.c:1765 remaining_children_to_start = <value optimized out> rv = <value optimized out> #8 0x00007f650c6ea280 in main (argc=1, argv=0x7fff888e3938) at /usr/src/debug/httpd-2.2.15/server/main.c:760 c = 0 '\000' configtestonly = <value optimized out> confname = 0x7f650c71641e "conf/httpd.conf" def_server_root = 0x7f650c716413 "/etc/httpd" temp_error_log = 0x0 error = <value optimized out> process = 0x7f650d86f890 server_conf = 0x7f650d86f890 pglobal = 0x7f650d866158 pconf = 0x7f650d868168 plog = 0x7f650d89a2f8 ptemp = 0x7f650d8bdfb8 pcommands = 0x7f650d86a178 opt = 0x7f650d86a270 rv = <value optimized out> mod = <value optimized out> optarg = 0x7f650d862060 "" signal_server = <value optimized out> Thread 1 (Thread 0x7f64e8fe7700 (LWP 16217)): #0 apr_bucket_free (mem=0x0) at buckets/apr_buckets_alloc.c:185 ---Type <return> to continue, or q <return> to quit--- node = <value optimized out> list = <value optimized out> #1 0x00007f650bbc7bba in file_bucket_read (e=0x7f650daba5f8, str=0x7f64e8fe1680, len=0x7f64e8fe1688, block=<value optimized out>) at buckets/apr_buckets_file.c:125 a = 0x7f644359fec8 f = 0x7f644c033860 b = 0x0 buf = 0x0 rv = 14 filelength = 192 fileoffset = 551558976 flags = <value optimized out> #2 0x00007f6501d797aa in ?? () No symbol table info available. #3 0x00007f644c06cf98 in ?? () No symbol table info available. #4 0x00007f64e8fe1600 in ?? () No symbol table info available. #5 0x00007f644359f858 in ?? () No symbol table info available. #6 0x0000000000000008 in ?? () No symbol table info available. #7 0x00007f650daecda8 in ?? () No symbol table info available. #8 0x0000000000001f40 in ?? () No symbol table info available. #9 0x00007f650daeedb8 in ?? () No symbol table info available. #10 0x00000000000000c0 in ?? () No symbol table info available. #11 0x00007f644359fb78 in ?? () No symbol table info available. #12 0x0000000000000008 in ?? () No symbol table info available. #13 0x00007f650daf0dc8 in ?? () No symbol table info available. #14 0x0000000000001f40 in ?? () ---Type <return> to continue, or q <return> to quit--- No symbol table info available. #15 0x00007f644359f538 in ?? () No symbol table info available. #16 0x0000000000000008 in ?? () No symbol table info available. #17 0x00007f650dae8d88 in ?? () No symbol table info available. #18 0x0000000000001f40 in ?? () No symbol table info available. #19 0x00007f650daead98 in ?? () No symbol table info available. #20 0x00000000000000c0 in ?? () No symbol table info available. #21 0x0000000000000000 in ?? () No symbol table info available.