Apache 2.0.54 is setup on Solaris and acts as front end to WebLogic.
Apache core dumps in peak hours (upto 4 times an hour). Error is child
pid XXXX exit signal Segmentation fault (11), possible coredump.

I used Solaris mdb to obtain stack trace etc but am totally clueless
about what to do next. Any would be highly appreciated.

** Core file status **
------------------------
debugging core file of httpd (32-bit) from pspqsp02
executable file: /t3/apps/apache/2.0.54/bin/httpd
initial argv: /t3/apps/apache/2.0.54/bin/httpd -k start
threading model: multi-threaded using native lwps
status: process terminated by SIGSEGV (Segmentation Fault)


** Thread stack($c) **
----------------------
libc.so.1`ptrace+0x790(a, ffbff9a3, 1, 99808, ffffffe0, 16c)
ap_mpm_pod_check+0x18(b3298, 2c038, 2c7ec, 997e8, 0, 1)
child_main+0x2c4(1, 2bc2c, ffbffb24, 0, 6dc00, 0)
make_child+0x128(70000, 1, 6dc00, 0, 6dc00, 6f400)
ap_mpm_run+0x560(1, 0, 0, 53800, 70400, 1)
main+0x624(7b728, 7d4d8, 6f400, 6f400, 0, 0)
_start+0x5c(0, 0, 0, 0, 0, 0)


pstack core_file

----------------- lwp# 1 --------------------------------
fed9ee18 ptrace (a, ffbff9a3, 1, 99808, ffffffe0, 16c) + 790
0002eb5c ap_mpm_pod_check (b3298, 2c038, 2c7ec, 997e8, 0, 1) + 18
0002cff4 child_main (1, 2bc2c, ffbffb24, 0, 6dc00, 0) + 2c4
0002d170 make_child (70000, 1, 6dc00, 0, 6dc00, 6f400) + 128
0002d7c0 ap_mpm_run (1, 0, 0, 53800, 70400, 1) + 560
00034034 main (7b728, 7d4d8, 6f400, 6f400, 0, 0) + 624
00025d8c _start (0, 0, 0, 0, 0, 0) + 5c

On 2007-02-09, Kevin <kejoseph@hotmail.com> wrote:
>
> Apache 2.0.54 is setup on Solaris and acts as front end to WebLogic.
> Apache core dumps in peak hours (upto 4 times an hour). Error is child
> pid XXXX exit signal Segmentation fault (11), possible coredump.

We had a similar issue with Dynamo, the problem was that the dynamo
connector was conflicting with mod_ssl in Apache. We 'solved' the problem
by separating the connector from SSL by running two instances of
Apache, one to run the SSL connections and one to talk with Dynamo.

Davide

--
If only more employers realized that people join companies, but leave
bosses. A boss should be an insulator, not a conductor or an amplifier.
-- Geoff Kinnel on alt.sysadmin.recovery