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Posted to users@httpd.apache.org by Gopal Peddinti <ex...@vtt.fi> on 2004/07/23 09:57:45 UTC

[users@httpd] child pid exit signal Segmentation fault (11)

Hello all,

I have been running Apache 2.0.48 successfully on Redhat Enterprise Linux 
Advanced Server from last 6 months without any problems. But from the last 
evening I can't connect to it. I found the following error messages in the 
error_log: (I have tried to find out a work around on the web but could not 
understand any)

[Thu Jul 22 12:23:17 2004] [warn] child process 1367 still did not exit, 
sending a SIGTERM
[Thu Jul 22 12:23:17 2004] [warn] child process 1368 still did not exit, 
sending a SIGTERM
[Thu Jul 22 12:23:22 2004] [error] child process 1367 still did not exit, 
sending a SIGKILL
[Thu Jul 22 12:23:22 2004] [error] child process 1368 still did not exit, 
sending a SIGKILL
[Thu Jul 22 12:23:39 2004] [notice] caught SIGTERM, shutting down
[Thu Jul 22 12:46:09 2004] [notice] Apache/2.0.48 (Unix) configured -- 
resuming normal operations
[Thu Jul 22 19:08:21 2004] [notice] child pid 1362 exit signal Segmentation 
fault (11)
[Thu Jul 22 19:08:29 2004] [notice] child pid 1363 exit signal Segmentation 
fault (11)

I did "strace" and the output below:

select(0, NULL, NULL, NULL, {0, 160000}) = 0 (Timeout)
wait4(-1, 0xbffed180, WNOHANG|WUNTRACED, NULL) = 0
select(0, NULL, NULL, NULL, {1, 0})     = 0 (Timeout)
wait4(-1, 0xbffed180, WNOHANG|WUNTRACED, NULL) = 0
select(0, NULL, NULL, NULL, {1, 0})     = 0 (Timeout)
wait4(-1, 0xbffed180, WNOHANG|WUNTRACED, NULL) = 0
select(0, NULL, NULL, NULL, {1, 0})     = 0 (Timeout)
wait4(-1, 0xbffed180, WNOHANG|WUNTRACED, NULL) = 0
select(0, NULL, NULL, NULL, {1, 0})     = 0 (Timeout)
wait4(-1, 0xbffed180, WNOHANG|WUNTRACED, NULL) = 0
select(0, NULL, NULL, NULL, {1, 0})     = 0 (Timeout)
wait4(-1, 0xbffed180, WNOHANG|WUNTRACED, NULL) = 0
select(0, NULL, NULL, NULL, {1, 0})     = 0 (Timeout)
wait4(-1, 0xbffed180, WNOHANG|WUNTRACED, NULL) = 0
select(0, NULL, NULL, NULL, {1, 0})     = ? ERESTARTNOHAND (To be restarted)
--- SIGCHLD (Child exited) ---
select(0, NULL, NULL, NULL, {0, 790000}) = 0 (Timeout)
fork()                                  = 1459
wait4(-1, [WIFSIGNALED(s) && WTERMSIG(s) == SIGSEGV], WNOHANG|WUNTRACED, 
NULL) = 1355
gettimeofday({1090565314, 144687}, NULL) = 0
write(7, "[Fri Jul 23 09:48:34 2004] [noti"..., 87) = 87
wait4(-1, 0xbffed180, WNOHANG|WUNTRACED, NULL) = 0
select(0, NULL, NULL, NULL, {1, 0})     = 0 (Timeout)
wait4(-1, 0xbffed180, WNOHANG|WUNTRACED, NULL) = 0
select(0, NULL, NULL, NULL, {1, 0})     = 0 (Timeout)
wait4(-1, 0xbffed180, WNOHANG|WUNTRACED, NULL) = 0
select(0, NULL, NULL, NULL, {1, 0})     = ? ERESTARTNOHAND (To be restarted)
--- SIGCHLD (Child exited) ---
select(0, NULL, NULL, NULL, {0, 630000}) = 0 (Timeout)
fork()                                  = 1460
wait4(-1, [WIFSIGNALED(s) && WTERMSIG(s) == SIGSEGV], WNOHANG|WUNTRACED, 
NULL) = 1356
gettimeofday({1090565317, 144691}, NULL) = 0
write(7, "[Fri Jul 23 09:48:37 2004] [noti"..., 87) = 87
wait4(-1, 0xbffed180, WNOHANG|WUNTRACED, NULL) = 0
select(0, NULL, NULL, NULL, {1, 0})     = 0 (Timeout)
wait4(-1, 0xbffed180, WNOHANG|WUNTRACED, NULL) = 0
select(0, NULL, NULL, NULL, {1, 0})     = 0 (Timeout)
wait4(-1, 0xbffed180, WNOHANG|WUNTRACED, NULL) = 0
select(0, NULL, NULL, NULL, {1, 0})     = 0 (Timeout)
wait4(-1, 0xbffed180, WNOHANG|WUNTRACED, NULL) = 0
select(0, NULL, NULL, NULL, {1, 0} <unfinished ...>

Can anyone help me quickly? Eagerly waiting for a reply.

Best regards,
Gopal.


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Re: [users@httpd] child pid exit signal Segmentation fault (11)

Posted by Joshua Slive <js...@gmail.com>.
On Fri, 23 Jul 2004 10:57:45 +0300, Gopal Peddinti
<ex...@vtt.fi> wrote:
> Hello all,
> 
> I have been running Apache 2.0.48 successfully on Redhat Enterprise Linux
> Advanced Server from last 6 months without any problems. But from the last
> evening I can't connect to it. I found the following error messages in the
> error_log: (I have tried to find out a work around on the web but could not
> understand any)

> I did "strace" and the output below:

The strace is of the parent process, which is not very useful for debugging.

What you should do is get a backtrace of the core dumps.  Joe just
posted in another thread describing how to do that.

Joshua.

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