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[ic] IC + RedHat 7.x + Apache 1.3 = Segmentation fault?
Ed LaFrance wrote:
> Hi all -
>
> As a result of my consulting business I have access to may servers,
> and I've noticed a condition that appears in varying degrees on just
> about any machine that is running RH 7.x or a similar flavor of *nix,
> Apache 1.3x and Just about any Interchange version. The apache
> error_log on said machine contains entries like this:
>
> [Sun Sep 23 09:45:22 2001] [notice] child pid 6913 exit signal
> Segmentation fault (11)
> [Thu Sep 27 13:58:00 2001] [notice] child pid 7236 exit signal
> Segmentation fault (11)
>
> Can anyone comment on this. At first glance, lack of physical RAM was
> highly suspect, but so far tests with greatly increasing RAM and
> greatly reducing apache MaxClients has only freed up memory -
> frequency of the annoying error_log entries has not dimished. I have
> not yet played with IC server settings, but FWIW, in most cases it is
> running n low traffic mode with the default settings for the same. IC
> version varies widely.
>
> TIA for comments,
>
>
> Ed L.
>
Ed,
I have seen the same thing happening occasionally on the two machine
running IC here.
1. RH 7.1, Apache 1.3.23, PgSQL 7.1.2, 640 Mb Ram, IC 4.8.3, High
Traffic Mode, mod_interchange, yadda yadda..
2. RH 7.2, Apache 1.3.23, PgSQL 7.1.2, 256 Mb Ram, IC 4.8.3, Low
Traffic Mode, mod_interchange, yadda yadda.
Looking through the archived logs back to March, I find the following:
Machine 1:
[Tue Apr 9 11:59:24 2002] [notice] child pid 20045 exit signal
Segmentation fault (11)
Machine 2:
[Mon Mar 18 11:57:56 2002] [notice] child pid 16242 exit signal
Segmentation fault (11)
[Mon Mar 18 11:58:18 2002] [notice] child pid 16351 exit signal
Segmentation fault (11)
[Tue Mar 26 10:51:38 2002] [notice] child pid 911 exit signal
Segmentation fault (11)
[Wed Apr 24 11:10:56 2002] [notice] child pid 24115 exit signal
Segmentation fault (11)
[Wed Apr 24 11:12:44 2002] [notice] child pid 24001 exit signal
Segmentation fault (11)
All IC development is done on Machine 2.
I had put it down to misconfigurations, or fatal coding errors, which do
occur on the dev server but
theoretically dont on the live server...
hmmm...rethink occurs...