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From bugzi...@apache.org
Subject [Bug 56795] Apache 2.4.10 Program received signal SIGPIPE, Broken pipe.
Date Fri, 01 May 2015 14:42:21 GMT
https://bz.apache.org/bugzilla/show_bug.cgi?id=56795

--- Comment #1 from szotsaki@gmail.com ---
I'm also facing with this issue.

httpd2 -V
Server version: Apache/2.4.10 (Linux/SUSE)
Server built:   2015-04-09 17:08:40.000000000 +0000
Server's Module Magic Number: 20120211:36
Server loaded:  APR 1.5.1, APR-UTIL 1.5.3
Compiled using: APR 1.5.1, APR-UTIL 1.5.3
Architecture:   64-bit
Server MPM:     prefork
  threaded:     no
    forked:     yes (variable process count)
Server compiled with....
 -D APR_HAS_SENDFILE
 -D APR_HAS_MMAP
 -D APR_HAVE_IPV6 (IPv4-mapped addresses enabled)
 -D APR_USE_PROC_PTHREAD_SERIALIZE
 -D APR_USE_PTHREAD_SERIALIZE
 -D SINGLE_LISTEN_UNSERIALIZED_ACCEPT
 -D APR_HAS_OTHER_CHILD
 -D AP_HAVE_RELIABLE_PIPED_LOGS
 -D DYNAMIC_MODULE_LIMIT=256
 -D HTTPD_ROOT="/srv/www"
 -D SUEXEC_BIN="/usr/sbin/suexec2"
 -D DEFAULT_PIDLOG="/run/httpd.pid"
 -D DEFAULT_SCOREBOARD="logs/apache_runtime_status"
 -D DEFAULT_ERRORLOG="/var/log/apache2/error_log"
 -D AP_TYPES_CONFIG_FILE="/etc/apache2/mime.types"
 -D SERVER_CONFIG_FILE="/etc/apache2/httpd.conf"

A short backtrace:
#0  0x00007ffff722ece7 in __libc_writev (fd=22,
vector=vector@entry=0x7fffffffdc80, count=count@entry=1) at
../sysdeps/unix/sysv/linux/writev.c:49
#1  0x00007ffff7735cba in apr_socket_sendv (sock=sock@entry=0x7ffff3c3d0a0,
vec=vec@entry=0x7fffffffdc80, nvec=nvec@entry=1, len=len@entry=0x7fffffffdbe8)
at network_io/unix/sendrecv.c:212
#2  0x00005555555993b1 in writev_nonblocking (s=s@entry=0x7ffff3c3d0a0,
vec=vec@entry=0x7fffffffdc80, nvec=nvec@entry=1, bb=bb@entry=0x7ffff3c3d838, 
    cumulative_bytes_written=cumulative_bytes_written@entry=0x7ffff3c3d770,
c=c@entry=0x7ffff3c3d290) at core_filters.c:789
#3  0x000055555559961c in send_brigade_nonblocking (s=s@entry=0x7ffff3c3d0a0,
bb=bb@entry=0x7ffff3c3d838, bytes_written=bytes_written@entry=0x7ffff3c3d770,
c=c@entry=0x7ffff3c3d290) at core_filters.c:705
#4  0x000055555559a281 in send_brigade_blocking (c=<optimized out>,
bytes_written=0x7ffff3c3d770, bb=0x7ffff3c3d838, s=0x7ffff3c3d0a0) at
core_filters.c:735
#5  ap_core_output_filter (f=0x7ffff3c3d690, new_bb=0x7ffff3c3d838) at
core_filters.c:544
#6  0x00005555555b3c79 in ap_process_request (r=r@entry=0x7fffc18360a0) at
http_request.c:369
#7  0x00005555555b06a2 in ap_process_http_sync_connection (c=0x7ffff3c3d290) at
http_core.c:190
#8  ap_process_http_connection (c=0x7ffff3c3d290) at http_core.c:231
#9  0x00005555555a7fa0 in ap_run_process_connection (c=0x7ffff3c3d290) at
connection.c:41
#10 0x00005555555a8388 in ap_process_connection (c=c@entry=0x7ffff3c3d290,
csd=<optimized out>) at connection.c:203
#11 0x00005555555bb72e in child_main (child_num_arg=child_num_arg@entry=0) at
prefork.c:704
#12 0x00005555555bb928 in make_child (s=0x7ffff7fb7448, slot=slot@entry=0) at
prefork.c:746
#13 0x00005555555bc643 in prefork_run (_pconf=<optimized out>,
plog=0x7ffff7fb3028, s=0x7ffff7fb7448) at prefork.c:956
#14 0x0000555555584dde in ap_run_mpm (pconf=0x7ffff7fef028,
plog=0x7ffff7fb3028, s=0x7ffff7fb7448) at mpm_common.c:94
#15 0x000055555557e476 in main (argc=7, argv=0x7fffffffe358) at main.c:777

Full backtrace:
#0  0x00007ffff722ece7 in __libc_writev (fd=22,
vector=vector@entry=0x7fffffffdc80, count=count@entry=1) at
../sysdeps/unix/sysv/linux/writev.c:49
        resultvar = 18446744073709551584
        result = <optimized out>
#1  0x00007ffff7735cba in apr_socket_sendv (sock=sock@entry=0x7ffff3c3d0a0,
vec=vec@entry=0x7fffffffdc80, nvec=nvec@entry=1, len=len@entry=0x7fffffffdbe8)
at network_io/unix/sendrecv.c:212
        rv = <optimized out>
        requested_len = <optimized out>
        i = <optimized out>
#2  0x00005555555993b1 in writev_nonblocking (s=s@entry=0x7ffff3c3d0a0,
vec=vec@entry=0x7fffffffdc80, nvec=nvec@entry=1, bb=bb@entry=0x7ffff3c3d838,
cumulative_bytes_written=cumulative_bytes_written@entry=0x7ffff3c3d770,
c=c@entry=0x7ffff3c3d290) at core_filters.c:789
        n = 0
        rv = 0
        arv = <optimized out>
        bytes_written = 0
        bytes_to_write = 5
        i = <optimized out>
        offset = 0
        old_timeout = 60000000
#3  0x000055555559961c in send_brigade_nonblocking (s=s@entry=0x7ffff3c3d0a0,
bb=bb@entry=0x7ffff3c3d838, bytes_written=bytes_written@entry=0x7ffff3c3d770,
c=c@entry=0x7ffff3c3d290) at core_filters.c:705
        bucket = 0x7ffff3c3d840
        next = <optimized out>
        rv = <optimized out>
        vec = {{iov_base = 0x5555555ca25f, iov_len = 5}, {iov_base =
0x7fffc1812000, iov_len = 0}, {iov_base = 0x0, iov_len = 140737259519664},
{iov_base = 0x7ffff25a8410 <php_zend_stream_fsizer>, iov_len =
140737259406320}, {iov_base = 0x0, iov_len = 240}, {iov_base = 0x7fffc18360a0,
iov_len = 3378143518144686118}, {iov_base = 0x7fffc18360a0, iov_len =
93824994908576}, {iov_base = 0x0, iov_len = 93824992440613}, {iov_base =
0xd11e6c5e17616826, iov_len = 140737488346384}, {iov_base = 0x7fff00000000,
iov_len = 140736440000672}, {iov_base = 0x7fffc1837788, iov_len =
140737283086168}, {iov_base = 0x7ffff3c3d690, iov_len = 140737283084944},
{iov_base = 0x7ffff3c3d758, iov_len = 140737283085968}, {iov_base =
0x7ffff3c3d290, iov_len = 93824992516538}, {iov_base = 0x7ffff7f59708, iov_len
= 140737283086328}, {iov_base = 0x5555557e19a0 <http_module>, iov_len =
140737283086328}}
        nvec = 1
#4  0x000055555559a281 in send_brigade_blocking (c=<optimized out>,
bytes_written=0x7ffff3c3d770, bb=0x7ffff3c3d838, s=0x7ffff3c3d0a0) at
core_filters.c:735
        rv = 0
#5  ap_core_output_filter (f=0x7ffff3c3d690, new_bb=0x7ffff3c3d838) at
core_filters.c:544
        c = <optimized out>
        net = 0x7ffff3c3d648
        ctx = 0x7ffff3c3d758
        bb = 0x7ffff3c3d838
        bucket = <optimized out>
        next = <optimized out>
        flush_upto = <optimized out>
        bytes_in_brigade = <optimized out>
        non_file_bytes_in_brigade = <optimized out>
        eor_buckets_in_brigade = <optimized out>
        morphing_bucket_in_brigade = 0
        rv = <optimized out>
#6  0x00005555555b3c79 in ap_process_request (r=r@entry=0x7fffc18360a0) at
http_request.c:369
        bb = 0x7ffff3c3d838
        b = <optimized out>
        c = 0x7ffff3c3d290
        rv = <optimized out>
#7  0x00005555555b06a2 in ap_process_http_sync_connection (c=0x7ffff3c3d290) at
http_core.c:190
        r = 0x7fffc18360a0
        cs = 0x0
        csd = 0x0
        mpm_state = 0
#8  ap_process_http_connection (c=0x7ffff3c3d290) at http_core.c:231
No locals.
#9  0x00005555555a7fa0 in ap_run_process_connection (c=0x7ffff3c3d290) at
connection.c:41
        pHook = 0x7ffff7f598b0
        n = 1
        rv = -32
#10 0x00005555555a8388 in ap_process_connection (c=c@entry=0x7ffff3c3d290,
csd=<optimized out>) at connection.c:203
        rc = <optimized out>
#11 0x00005555555bb72e in child_main (child_num_arg=child_num_arg@entry=0) at
prefork.c:704
        current_conn = 0x7ffff3c3d290
        csd = 0x7ffff3c3d0a0
        thd = 0x7ffff3c3f0a0
        osthd = 140737353963392
        ptrans = 0x7ffff3c3d028
        allocator = 0x555555a956c0
        status = <optimized out>
        i = <optimized out>
        lr = <optimized out>
        pollset = 0x7ffff3c3f180
        sbh = 0x7ffff3c3f178
        bucket_alloc = 0x7fffed1cf028
        last_poll_idx = 1
        lockfile = <optimized out>
#12 0x00005555555bb928 in make_child (s=0x7ffff7fb7448, slot=slot@entry=0) at
prefork.c:746
        pid = <optimized out>
#13 0x00005555555bc643 in prefork_run (_pconf=<optimized out>,
plog=0x7ffff7fb3028, s=0x7ffff7fb7448) at prefork.c:956
        index = <optimized out>
        remaining_children_to_start = <optimized out>
        rv = <optimized out>
#14 0x0000555555584dde in ap_run_mpm (pconf=0x7ffff7fef028,
plog=0x7ffff7fb3028, s=0x7ffff7fb7448) at mpm_common.c:94
        pHook = 0x7ffff7f599d8
        n = 0
        rv = -32
#15 0x000055555557e476 in main (argc=7, argv=0x7fffffffe358) at main.c:777
        c = 88 'X'
        showcompile = 0
        showdirectives = 0
        confname = 0x7fffffffe70e "/etc/apache2/httpd.conf"
        def_server_root = 0x5555555bd7e3 "/srv/www"
        temp_error_log = 0x0
        error = <optimized out>
        process = 0x7ffff7ff1118
        pconf = 0x7ffff7fef028
        plog = 0x7ffff7fb3028
        ptemp = 0x7ffff7fb5028
        pcommands = 0x7ffff7fbd028
        opt = 0x7ffff7fbd118
        rv = <optimized out>
        mod = 0x5555557deb18 <ap_prelinked_modules+56>
        opt_arg = 0x0
        signal_server = <optimized out>

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