#0 0x00007ffff7feccb0 in ?? () from /usr/sbin/httpd #1 <signal handler called> #2 0x00007ffff63e484f in poll () from /lib64/libc.so.6 #3 0x00007ffff6abaf3f in apr_wait_for_io_or_timeout () from /usr/lib64/libapr-1.so.0 #4 0x00007ffff6ab5b0f in apr_socket_sendfile () from /usr/lib64/libapr-1.so.0 #5 0x00007ffff7fd95bb in ap_core_output_filter () from /usr/sbin/httpd #6 0x00007ffff7fea058 in ap_http_header_filter () from /usr/sbin/httpd #7 0x00007ffff7fceb5f in ap_content_length_filter () from /usr/sbin/httpd #8 0x00007ffff7feb86a in ap_byterange_filter () from /usr/sbin/httpd #9 0x00007ffff7fd33f0 in ?? () from /usr/sbin/httpd #10 0x00007ffff7fda273 in ap_run_handler () from /usr/sbin/httpd #11 0x00007ffff7fdd94f in ap_invoke_handler () from /usr/sbin/httpd #12 0x00007ffff7fe8e8e in ap_process_request () from /usr/sbin/httpd #13 0x00007ffff7fe5dc8 in ?? () from /usr/sbin/httpd #14 0x00007ffff7fe1b73 in ap_run_process_connection () from /usr/sbin/httpd #15 0x00007ffff7fed7ce in ?? () from /usr/sbin/httpd #16 0x00007ffff7feda36 in ?? () from /usr/sbin/httpd #17 0x00007ffff7fee56d in ap_mpm_run () from /usr/sbin/httpd #18 0x00007ffff7fc658d in main () from /usr/sbin/httpd