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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 40316] - apachectl -k graceful causes segmentation fault
Date Wed, 12 Dec 2007 16:25:59 GMT
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http://issues.apache.org/bugzilla/show_bug.cgi?id=40316


daniel@lbers.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |NEW




------- Additional Comments From daniel@lbers.com  2007-12-12 08:25 -------
Hi everyone,

I'm experiencing this issue on Solaris 10 with mod_jk 1.2.23 in Apache 2.0.53
with different log levels.
Unfortunately I only have dbx available, whose output sometimes puzzles me a
bit, but it looks like jk_log() itself triggers a second call of jk_log().

t@1 (l@1) signal SEGV (no mapping at the fault address) in (unknown) at 0x820fe6c
0x0820fe6c:     outl     (%dx)
Current function is jk_log
  581           l->log(l, level, buf);
(dbx) where
current thread: t@1
  [1] 0x820fe6c(0x0, 0x0, 0x0, 0x0), at 0x820fe6c
=>[2] jk_log(l = 0x820fe58, file = 0x1 "<bad address 0x1>", line = 134497984,
funcname = 0x80466f8 "\xbe^F", level = 1633643370, fmt = 0x62 "<bad address
0x62>", ...), line 581 in "jk_util.c"
  [3] jk_log(l = 0x820fe58, file = 0x81032e4 "mod_jk.c", line = 452, funcname =
0x81032ac "ws_write", level = 1, fmt = 0x81032ed "written %d out of %d", ...),
line 581 in "jk_util.c"
  [4] ws_write(s = 0x8047900, b = 0x824598b, l = 1726U), line 452 in "mod_jk.c"
  [5] ajp_process_callback(msg = 0x8224df4, pmsg = 0x8224e0c, ae = 0x8224dc0, r
= 0x8047900, l = 0x8170a10), line 1447 in "jk_ajp_common.c"
  [6] ajp_get_reply(e = 0x8226de8, s = 0x8047900, l = 0x8170a10, p = 0x8224dc0,
op = 0x80467f0), line 1647 in "jk_ajp_common.c"
  [7] ajp_service(e = 0x8226de8, s = 0x8047900, l = 0x8170a10, is_error =
0x804688c), line 1828 in "jk_ajp_common.c"
  [8] service(e = 0x8217d3c, s = 0x8047900, l = 0x8170a10, is_error =
0x80479ec), line 1007 in "jk_lb_worker.c"
  [9] jk_handler(r = 0x82379a8), line 2174 in "mod_jk.c"
  [10] ap_run_handler(r = 0x82379a8), line 152 in "config.c"
  [11] ap_invoke_handler(r = 0x82379a8), line 364 in "config.c"
  [12] ap_process_request(r = 0x82379a8), line 249 in "http_request.c"
  [13] ap_process_http_connection(c = 0x8231a68), line 253 in "http_core.c"
  [14] ap_run_process_connection(c = 0x8231a68), line 43 in "connection.c"
  [15] ap_process_connection(c = 0x8231a68, csd = 0x8231990), line 176 in
"connection.c"
  [16] child_main(child_num_arg = 36), line 610 in "prefork.c"
  [17] make_child(s = 0x814b890, slot = 36), line 704 in "prefork.c"
  [18] perform_idle_server_maintenance(p = 0x8146770), line 839 in "prefork.c"
  [19] ap_mpm_run(_pconf = 0x8146770, plog = 0x817c848, s = 0x814b890), line
1040 in "prefork.c"
  [20] main(argc = 4, argv = 0x8047d88), line 623 in "main.c"
(dbx) dump
f = (nil)
used = 0
args = (nil)
buf = ""
rc = 24
l = 0x820fe58
usable_size = 8191
file = 0x1 "<bad address 0x1>"
fmt = 0x62 "<bad address 0x62>"
funcname = 0x80466f8 "\xbe^F"
level = 1633643370
line = 134497984
(dbx) up
Current function is jk_log
  581           l->log(l, level, buf);
(dbx) print buf
buf = "[Wed Dec 12 13:04:44 2007] [15364:0000] [debug] ws_write::mod_jk.c (452):
written 1726 out of 1726"

SunOS 5.10 Generic_118855-36 i86pc i386 i86pc
Apache/2.0.59 (Unix) mod_ssl/2.0.59 OpenSSL/0.9.8e mod_jk/1.2.23

Cheers, Daniel

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