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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 41748] - Segmentation violation in httpd - thread/worker
Date Mon, 05 Mar 2007 12:59:25 GMT
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http://issues.apache.org/bugzilla/show_bug.cgi?id=41748





------- Additional Comments From thulek@cz.ibm.com  2007-03-05 04:59 -------
The OS level is:
  # oslevel -s
  5300-05-02
plus latest levels of bos.64bit, bos.mp, bos.mp64, bos.net.tcp.client,
bos.perf.tools, bos.rte.libc, bos.sysmgt.serv_aid.

The thread that handled the SIGSEGV signal is 4:
(dbx) thread current 4
(dbx) thread
 thread  state-k     wchan    state-u    k-tid   mode held scope function
 $t1     run                  running  1016051     u   no   sys  read
 $t2     run                  terminated 1020147     k   no   sys  _event_sleep
*$t3     run                  blocked  1024245     k   no   sys  _event_sleep
>$t4     run                  running  1028343     u   no   sys  sig_coredump
 $t5     run                  running  1032441     u   no   sys  read
 $t6     run                  running  1036539     u   no   sys  read
 $t7     run                  running  1040637     u   no   sys  read
 $t8     run                  blocked  1044735     u   no   sys  _event_sleep
 $t9     run                  blocked  1048577     u   no   sys  _event_sleep
 $t10    run                  blocked  1052675     u   no   sys  _event_sleep
 $t11    run                  blocked  1056773     u   no   sys  _event_sleep
 $t12    run                  blocked  1060871     u   no   sys  _event_sleep
 $t13    run                  blocked  1064969     u   no   sys  _event_sleep
 $t14    run                  blocked  1069067     u   no   sys  _event_sleep
 $t15    run                  blocked  1073165     u   no   sys  _event_sleep
 $t16    run                  blocked  1077263     u   no   sys  _event_sleep
 $t17    run                  blocked  1081361     u   no   sys  _event_sleep
 $t18    run                  blocked  1085459     u   no   sys  _event_sleep
 $t19    run                  blocked  1089557     u   no   sys  _event_sleep
 $t20    run                  blocked  1093655     u   no   sys  _event_sleep
 $t21    run                  blocked  1097753     u   no   sys  _event_sleep
 $t22    run                  blocked  1101851     u   no   sys  _event_sleep
 $t23    run                  blocked  1105949     u   no   sys  _event_sleep
 $t24    run                  blocked  1110047     u   no   sys  _event_sleep
 $t25    run                  blocked  1114145     u   no   sys  _event_sleep
 $t26    run                  running  1118243     u   no   sys  read
 $t27    run                  running  1122341     u   no   sys  poll
 $t28    run                  running  1126439     u   no   sys  poll
(dbx) t
sig_coredump(sig = 0), line 1050 in "mpm_common.c"
malloc_y.malloc_y(0x2000, 0x0, 0x8, 0x20, 0x0, 0x100fb0f7, 0x100fb0f7, 0x8000)
at 0xd03272c4
malloc_common.malloc_common_53_36(??) at 0xd03248b8
jk_pool_dyn_alloc() at 0xd106d65c
jk_pool_alloc() at 0xd106d77c
jk_b_set_buffer_size() at 0xd107c768
service() at 0xd1082424
jk_handler() at 0xd1065b64
ap_run_handler(r = 0x100380d8), line 152 in "config.c"
ap_invoke_handler(r = 0x1003820c), line 364 in "config.c"
ap_process_request(r = 0x30767818), line 249 in "http_request.c"
ap_process_http_connection(c = 0x100173cc), line 253 in "http_core.c"
ap_run_process_connection(c = 0xf03c73ac), line 43 in "connection.c"
ap_process_connection(c = 0x307697f0, csd = 0x307677e0), line 176 in "connection.c"
process_socket(p = (nil), sock = (nil), my_child_num = 0, my_thread_num = 0,
bucket_alloc = (nil)), line 522 in "worker.c"
worker_thread(thd = (nil), dummy = (nil)), line 842 in "worker.c"
dummy_worker(opaque = (nil)), line 105 in "thread.c"
(dbx)

How would I find the thread that caused the dump?

Tomas

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