Almost every time I stop httpd server I get this kind of errors: # cat /var/log/httpd/error_log [Tue Apr 02 08:33:34.714313 2013] [mpm_prefork:notice] [pid 6720] AH00170: caught SIGWINCH, shutting down gracefully *** glibc detected *** /usr/sbin/httpd: free(): invalid pointer: 0x00007f6678624798 *** *** glibc detected *** /usr/sbin/httpd: free(): invalid pointer: 0x00007f6678624798 *** *** glibc detected *** /usr/sbin/httpd: free(): invalid pointer: 0x00007f6678624798 *** *** glibc detected *** /usr/sbin/httpd: free(): invalid pointer: 0x00007f6678624798 *** ======= Backtrace: ========= ======= Backtrace: ========= /lib64/libc.so.6(+0x7ca8e)[0x7f66782efa8e] ======= Backtrace: ========= ======= Backtrace: ========= /lib64/libapr-1.so.0(apr_pool_destroy+0x19c)[0x7f6678a6485c] /etc/httpd/modules/mod_mpm_prefork.so(+0x31be)[0x7f667312c1be] /lib64/libc.so.6(+0x7ca8e)[0x7f66782efa8e] /etc/httpd/modules/mod_mpm_prefork.so(+0x39cb)[0x7f667312c9cb] /lib64/libpthread.so.0(+0xf000)[0x7f667883e000] /lib64/libapr-1.so.0(apr_pool_destroy+0x19c)[0x7f6678a6485c] /lib64/ld-linux-x86-64.so.2(+0xf5f7)[0x7f66799215f7] /etc/httpd/modules/mod_mpm_prefork.so(+0x31be)[0x7f667312c1be] /lib64/libc.so.6(+0x38df1)[0x7f66782abdf1] /etc/httpd/modules/mod_mpm_prefork.so(+0x39cb)[0x7f667312c9cb] /lib64/libc.so.6(+0x38e75)[0x7f66782abe75] /lib64/libpthread.so.0(+0xf000)[0x7f667883e000] /etc/httpd/modules/mod_version.so(+0xa80)[0x7f6673534a80] ======= Memory map: ======== /etc/httpd/modules/mod_mpm_prefork.so(+0x31db)[0x7f667312c1db] /etc/httpd/modules/mod_mpm_prefork.so(+0x35f5)[0x7f667312c5f5] /etc/httpd/modules/mod_mpm_prefork.so(+0x394c)[0x7f667312c94c] /etc/httpd/modules/mod_mpm_prefork.so(+0x39a6)[0x7f667312c9a6] /etc/httpd/modules/mod_mpm_prefork.so(+0x4856)[0x7f667312d856] /usr/sbin/httpd(ap_run_mpm+0x4e)[0x7f6679b6e6de] .... (see attached error_log file). # find /tmp -name core* /tmp/systemd-private-hjmsNN/core.6725 /tmp/systemd-private-hjmsNN/core.6724 /tmp/systemd-private-hjmsNN/core.6726 /tmp/systemd-private-hjmsNN/core.6722 # gdb httpd -c /tmp/systemd-private-hjmsNN/core.6722 GNU gdb (GDB) Fedora (7.5.1-37.fc18) Copyright (C) 2012 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-redhat-linux-gnu". For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>... Reading symbols from /usr/sbin/httpd...Reading symbols from /usr/lib/debug/usr/sbin/httpd.debug...done. done. [New LWP 6722] [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib64/libthread_db.so.1". Core was generated by `/usr/sbin/httpd'. Program terminated with signal 6, Aborted. #0 0x00007f66782a8ba5 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:63 63 return INLINE_SYSCALL (tgkill, 3, pid, selftid, sig); (gdb) where #0 0x00007f66782a8ba5 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:63 #1 0x00007f66782aa358 in __GI_abort () at abort.c:90 #2 0x00007f66782e859b in __libc_message (do_abort=do_abort@entry=2, fmt=fmt@entry=0x7f66783ecba8 "*** glibc detected *** %s: %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:197 #3 0x00007f66782efa8e in malloc_printerr (ptr=0x7f6678624798 <main_arena+88>, str=0x7f66783eaa01 "free(): invalid pointer", action=3) at malloc.c:4969 #4 _int_free (av=0x7f6678624740 <main_arena>, p=0x7f6678624788 <main_arena+72>, have_lock=0) at malloc.c:3826 #5 0x00007f6678a6485c in allocator_free (node=0x7f6678624798 <main_arena+88>, allocator=0x7f667bf3b7d0) at memory/unix/apr_pools.c:430 #6 apr_pool_destroy (pool=0x7f667bf3b8c8) at memory/unix/apr_pools.c:856 #7 0x00007f667312c1be in clean_child_exit (code=code@entry=0) at prefork.c:218 #8 0x00007f667312c9cb in just_die (sig=<optimized out>) at prefork.c:344 #9 <signal handler called> #10 0x00007f6673534a80 in __do_global_dtors_aux () from /etc/httpd/modules/mod_version.so #11 0x00007f66799215f7 in _dl_fini () at dl-fini.c:253 #12 0x00007f66782abdf1 in __run_exit_handlers (status=status@entry=0, listp=0x7f66786246a8 <__exit_funcs>, run_list_atexit=run_list_atexit@entry=true) at exit.c:77 #13 0x00007f66782abe75 in __GI_exit (status=status@entry=0) at exit.c:99 #14 0x00007f667312c1db in clean_child_exit (code=code@entry=0) at prefork.c:227 #15 0x00007f667312c7c5 in child_main (child_num_arg=child_num_arg@entry=0) at prefork.c:629 #16 0x00007f667312c94c in make_child (s=0x7f667bda0348, slot=slot@entry=0) at prefork.c:800 #17 0x00007f667312c9a6 in startup_children (number_to_start=5) at prefork.c:818 #18 0x00007f667312d856 in prefork_run (_pconf=<optimized out>, plog=0x7f667bdd24d8, s=0x7f667bda0348) at prefork.c:976 #19 0x00007f6679b6e6de in ap_run_mpm (pconf=0x7f667bd75138, plog=0x7f667bdd24d8, s=0x7f667bda0348) at mpm_common.c:98 #20 0x00007f6679b67d8a in main (argc=1, argv=0x7fff2a861578) at main.c:777 (gdb) bt full #0 0x00007f66782a8ba5 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:63 resultvar = 0 pid = 6722 selftid = 6722 #1 0x00007f66782aa358 in __GI_abort () at abort.c:90 save_stage = 2 act = {__sigaction_handler = {sa_handler = 0x7f66783eabc1, sa_sigaction = 0x7f66783eabc1}, sa_mask = {__val = { 3, 140733906812557, 3, 140078080761236, 1, 140078080767934, 3, 140733906812532, 12, 140078080767938, 2, 140078080767938, 2, 140733906813344, 7, 140733906815104}}, sa_flags = 88, sa_restorer = 0x7} sigs = {__val = {32, 0 <repeats 15 times>}} #2 0x00007f66782e859b in __libc_message (do_abort=do_abort@entry=2, fmt=fmt@entry=0x7f66783ecba8 "*** glibc detected *** %s: %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:197 ap = {{gp_offset = 40, fp_offset = 48, overflow_arg_area = 0x7fff2a860890, reg_save_area = 0x7fff2a8607a0}} ap_copy = {{gp_offset = 16, fp_offset = 48, overflow_arg_area = 0x7fff2a860890, reg_save_area = 0x7fff2a8607a0}} fd = 2 on_2 = <optimized out> list = <optimized out> nlist = <optimized out> cp = <optimized out> written = <optimized out> #3 0x00007f66782efa8e in malloc_printerr (ptr=0x7f6678624798 <main_arena+88>, str=0x7f66783eaa01 "free(): invalid pointer", action=3) at malloc.c:4969 buf = "00007f6678624798" cp = <optimized out> #4 _int_free (av=0x7f6678624740 <main_arena>, p=0x7f6678624788 <main_arena+72>, have_lock=0) at malloc.c:3826 size = <optimized out> fb = <optimized out> nextchunk = <optimized out> nextsize = <optimized out> nextinuse = <optimized out> prevsize = <optimized out> bck = <optimized out> fwd = <optimized out> errstr = 0x7f66783eaa01 "free(): invalid pointer" locked = <optimized out> #5 0x00007f6678a6485c in allocator_free (node=0x7f6678624798 <main_arena+88>, allocator=0x7f667bf3b7d0) at memory/unix/apr_pools.c:430 freelist = 0x0 max_index = <optimized out> max_free_index = <optimized out> next = <optimized out> index = <optimized out> current_free_index = <optimized out> #6 apr_pool_destroy (pool=0x7f667bf3b8c8) at memory/unix/apr_pools.c:856 active = <optimized out> allocator = 0x7f667bf3b7d0 #7 0x00007f667312c1be in clean_child_exit (code=code@entry=0) at prefork.c:218 No locals. #8 0x00007f667312c9cb in just_die (sig=<optimized out>) at prefork.c:344 No locals. #9 <signal handler called> No locals. #10 0x00007f6673534a80 in __do_global_dtors_aux () from /etc/httpd/modules/mod_version.so No symbol table info available. #11 0x00007f66799215f7 in _dl_fini () at dl-fini.c:253 array = 0x7f6673735cb8 i = 0 nmaps = 65 nloaded = <optimized out> i = 44 l = 0x7f667bde12b0 ns = 0 maps = 0x7fff2a860de0 maps_size = 520 do_audit = 0 #12 0x00007f66782abdf1 in __run_exit_handlers (status=status@entry=0, listp=0x7f66786246a8 <__exit_funcs>, run_list_atexit=run_list_atexit@entry=true) at exit.c:77 atfct = <optimized out> onfct = <optimized out> cxafct = <optimized out> f = <optimized out> #13 0x00007f66782abe75 in __GI_exit (status=status@entry=0) at exit.c:99 No locals. #14 0x00007f667312c1db in clean_child_exit (code=code@entry=0) at prefork.c:227 No locals. #15 0x00007f667312c7c5 in child_main (child_num_arg=child_num_arg@entry=0) at prefork.c:629 numdesc = 1 pdesc = 0x7f667bf3d950 current_conn = <optimized out> csd = 0x7f667bf3d950 thd = 0x7f667bf3b940 osthd = 140078105122688 ptrans = 0x7f667bf3d8d8 allocator = 0x7f667bf3b7d0 status = <optimized out> i = <optimized out> lr = <optimized out> pollset = 0x7f667bf3ba00 sbh = 0x7f667bf3b9f8 bucket_alloc = 0x7f667bf418f8 last_poll_idx = 1 lockfile = <optimized out> #16 0x00007f667312c94c in make_child (s=0x7f667bda0348, slot=slot@entry=0) at prefork.c:800 pid = 0 #17 0x00007f667312c9a6 in startup_children (number_to_start=5) at prefork.c:818 i = 0 #18 0x00007f667312d856 in prefork_run (_pconf=<optimized out>, plog=0x7f667bdd24d8, s=0x7f667bda0348) at prefork.c:976 index = <optimized out> remaining_children_to_start = <optimized out> rv = <optimized out> #19 0x00007f6679b6e6de in ap_run_mpm (pconf=0x7f667bd75138, plog=0x7f667bdd24d8, s=0x7f667bda0348) at mpm_common.c:98 pHook = 0x7f667be4a618 n = 0 rv = 1936940472 #20 0x00007f6679b67d8a in main (argc=1, argv=0x7fff2a861578) at main.c:777 c = 0 '\000' showcompile = 0 showdirectives = 0 confname = 0x7f6679ba2baf "conf/httpd.conf" def_server_root = 0x7f6679ba2ba4 "/etc/httpd" temp_error_log = <optimized out> error = <optimized out> process = 0x7f667bd73218 pconf = 0x7f667bd75138 plog = 0x7f667bdd24d8 ptemp = 0x7f667bd9e2f8 pcommands = 0x7f667bd97248 opt = 0x7f667bd97338 rv = <optimized out> mod = 0x7f6679dbf098 <ap_prelinked_modules+24> opt_arg = 0x7f667bd73128 "\b\361\326{f\177" signal_server = <optimized out> Running Fedora 18. # uname -a Linux f18.vlasiu.net 3.8.1-201.fc18.x86_64 #1 SMP Thu Feb 28 19:23:08 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux Does not matter if I use the httpd package from distribution or I compile httpd from sources. Same behaviour. Also, module mod_systemd.so is not loaded!
Created attachment 30134 [details] error_log