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Posted to users@httpd.apache.org by Emiliano Romero <er...@sitrack.com> on 2007/11/13 15:22:30 UTC

[users@httpd] Segmentation Fault

Hi!, I really dont know if I have to send this problem to this mailing list.

I'm using Gentoo, Apache 2.2.6 and PHP 5.2.4

 

I get a Segmentation Fault (11) some times in my error_logs. It's very
random, but I get this error like 2 o 3 times in the day. (it's in a
development server, not in production).

 

I make apache to core dump files, and the analize them with gdb.

 

Program terminated with signal 11, Segmentation fault.

#0  0x00002afbefba28fb in ?? () from /lib/tls/libpthread.so.0

(gdb) where

#0  0x00002afbefba28fb in ?? () from /lib/tls/libpthread.so.0

#1  0x0000000000443dc1 in ap_mpm_pod_check ()

#2  0x00000000004420dc in ?? ()

#3  0x0000000000442258 in ?? ()

#4  0x0000000000442e35 in ap_mpm_run ()

#5  0x0000000000420c48 in main ()

 

Somebody have any idea of what could be happening?

 

Thanks for any help.

 

Regards

 

Emiliano Romero



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Re: [users@httpd] Segmentation Fault

Posted by Joshua Slive <jo...@slive.ca>.

On Nov 14, 2007 1:33 AM, Axel-Stephane  SMORGRAV
<Ax...@europe.adp.com> wrote:
> As far as I understand you cannot use PHP with  an Apache using multi-threaded MPM.

You can use PHP with threads. But it is not recommended since many
libraries that are used by php are less-than thread-safe. So your
recommended solution is probably correct.

Joshua.

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RE: [users@httpd] Segmentation Fault

Posted by Emiliano Romero <er...@sitrack.com>.

Thanks Axel, Now I compile apache and php without threads and without
worker. Thanks a lot for your answer.

Regards

-----Mensaje original-----
De: Axel-Stephane SMORGRAV [mailto:Axel-Stephane.SMORGRAV@europe.adp.com]
Enviado el: Miércoles, 14 de Noviembre de 2007 03:34 a.m.
Para: users@httpd.apache.org
Asunto: RE: [users@httpd] Segmentation Fault

As far as I understand you cannot use PHP with an Apache using
multi-threaded MPM.

You can determine the MPM of your Apache by executing "httpd -l" or
requesting http://myserver/server-info (assuming you have activated
mod_info). If the module list contains worker.c or event.c, it is likely
that this is the source of your problem and you will need to reinstall an
Apache build that uses the prefork MPM (prefork.c).

-ascs

________________________________

De : Emiliano Romero [mailto:eromero@sitrack.com]
Envoyé : mardi 13 novembre 2007 15:23
À : users@httpd.apache.org
Objet : [users@httpd] Segmentation Fault

Hi!, I really dont know if I have to send this problem to this mailing list.

I'm using Gentoo, Apache 2.2.6 and PHP 5.2.4

I get a Segmentation Fault (11) some times in my error_logs. It's very
random, but I get this error like 2 o 3 times in the day. (it's in a
development server, not in production).

I make apache to core dump files, and the analize them with gdb.

Program terminated with signal 11, Segmentation fault.

#0 0x00002afbefba28fb in ?? () from /lib/tls/libpthread.so.0

(gdb) where

#0 0x00002afbefba28fb in ?? () from /lib/tls/libpthread.so.0

#1 0x0000000000443dc1 in ap_mpm_pod_check ()

#2 0x00000000004420dc in ?? ()

#3 0x0000000000442258 in ?? ()

#4 0x0000000000442e35 in ap_mpm_run ()

#5 0x0000000000420c48 in main ()

Somebody have any idea of what could be happening?

Thanks for any help.

Regards

Emiliano Romero

This message is for the designated recipient only and may contain
privileged, proprietary, or otherwise private information.
If you have received it in error, please notify the sender immediately and
delete the original. Any other use of the email by you is prohibited.

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RE: [users@httpd] Segmentation Fault

Posted by Axel-Stephane SMORGRAV <Ax...@europe.adp.com>.

As far as I understand you cannot use PHP with an Apache using multi-threaded MPM.

You can determine the MPM of your Apache by executing "httpd -l" or requesting http://myserver/server-info (assuming you have activated mod_info). If the module list contains worker.c or event.c, it is likely that this is the source of your problem and you will need to reinstall an Apache build that uses the prefork MPM (prefork.c).

-ascs

________________________________

De : Emiliano Romero [mailto:eromero@sitrack.com]
Envoyé : mardi 13 novembre 2007 15:23
À : users@httpd.apache.org
Objet : [users@httpd] Segmentation Fault

Hi!, I really dont know if I have to send this problem to this mailing list.

I'm using Gentoo, Apache 2.2.6 and PHP 5.2.4

I get a Segmentation Fault (11) some times in my error_logs. It's very random, but I get this error like 2 o 3 times in the day. (it's in a development server, not in production).

I make apache to core dump files, and the analize them with gdb.

Program terminated with signal 11, Segmentation fault.

#0 0x00002afbefba28fb in ?? () from /lib/tls/libpthread.so.0

(gdb) where

#0 0x00002afbefba28fb in ?? () from /lib/tls/libpthread.so.0

#1 0x0000000000443dc1 in ap_mpm_pod_check ()

#2 0x00000000004420dc in ?? ()

#3 0x0000000000442258 in ?? ()

#4 0x0000000000442e35 in ap_mpm_run ()

#5 0x0000000000420c48 in main ()

Somebody have any idea of what could be happening?

Thanks for any help.

Regards

Emiliano Romero

This message is for the designated recipient only and may contain privileged, proprietary, or otherwise private information.
If you have received it in error, please notify the sender immediately and delete the original. Any other use of the email by you is prohibited.