Hi, I started my server with MaxClients=1, started the download and attached to the process with gdb. The process crashed; This is the trace :
vfsi3>gdb httpd 7840 GNU gdb 5.2.1 Copyright 2002 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "hppa2.0n-hp-hpux11.00"... Attaching to program: /opt/httpd/bin/httpd, process 7840 warning: The shared libraries were not privately mapped; setting a breakpoint in a shared library will not work until you rerun the program. Reading symbols from /opt/openssl/lib/libssl.sl.0.9.6...done. Reading symbols from /opt/openssl/lib/libcrypto.sl.0.9.6...done. Reading symbols from /opt/httpd/lib/libaprutil.sl.0...done. Reading symbols from /opt/httpd/lib/libexpat.sl.1...done. Reading symbols from /opt/httpd/lib/libapr.sl.0...done. Reading symbols from /usr/lib/libnsl.1...done. Reading symbols from /usr/lib/libxti.2...done. Reading symbols from /usr/lib/libpthread.1...done. Reading symbols from /usr/lib/libc.2...done. Reading symbols from /usr/lib/libdld.2...done. Reading symbols from /usr/lib/libnss_files.1...done. Reading symbols from /usr/lib/libnss_nis.1...done. Reading symbols from /usr/lib/libnss_dns.1...done. 0xc0115b68 in _select_sys () from /usr/lib/libc.2 (gdb) continue Continuing. Program received signal SIGSEGV, Segmentation fault. 0xc1bfb06c in apr_bucket_alloc () from /opt/httpd/lib/libaprutil.sl.0 (gdb) where #0 0xc1bfb06c in apr_bucket_alloc () from /opt/httpd/lib/libaprutil.sl.0 #1 0xc1bf8d18 in socket_bucket_read () from /opt/httpd/lib/libaprutil.sl.0 #2 0x00129ffc in core_input_filter () #3 0x0011a630 in ap_get_brigade () #4 0x000bb26c in ap_http_filter () #5 0x0011a630 in ap_get_brigade () #6 0x0012999c in net_time_filter () #7 0x0011a630 in ap_get_brigade () #8 0x00092f3c in ap_proxy_http_process_response () #9 0x000935e0 in ap_proxy_http_handler () #10 0x0008484c in proxy_run_scheme_handler () #11 0x0008259c in proxy_handler () #12 0x000fdc40 in ap_run_handler () #13 0x000fea04 in ap_invoke_handler () #14 0x000c0d9c in ap_process_request () #15 0x000b8348 in ap_process_http_connection () #16 0x00115a00 in ap_run_process_connection () #17 0x001160c0 in ap_process_connection () #18 0x000fae00 in child_main () #19 0x000fb0ac in make_child () #20 0x000fb47c in perform_idle_server_maintenance () #21 0x000fbc88 in ap_mpm_run () #22 0x001079f0 in main () (gdb) The resources used by the process increase linearly until the maximum per process is reached after which the crash occurs. Did we do an alloc without a free ? Peter.
