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jeesshnasree
Flight Engineer
Flight Engineer
  • 20.5K Views

what is the issue - signal Segmentation fault (11)

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Hi All,

Kindly find the below logs for issue getting in HTTPD logs .

 

[notice] child pid 1441 exit signal Segmentation fault (11)

 

[TIME STAMP] pid 1441 current top of memory: 250f000
[TIME STAMP] pid 1441 resource limits:
[TIME STAMP] pid 1441 RLIMIT_MEMLOCK 10000
[TIME STAMP] pid 1441 RLIMIT_RSS ffffffffffffffff
--
[TIME STAMP] pid 1441 RLIMIT_AS ffffffffffffffff
[TIME STAMP] pid 1441 RLIMIT_DATA ffffffffffffffff
[TIME STAMP] pid 1441 RLIMIT_CPU ffffffffffffffff
[TIME STAMP] pid 1441 RLIMIT_CORE 0
[TIME STAMP] [notice] child pid 1441 exit signal Segmentation fault (11)

 

 

i am getting issue on httpd_error.log . finally what is the solution for that , how to resolve .

 

could you please share if any documents with example

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flozano
Moderator
Moderator
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Many things could generate a segmentation fault. This error means that the process tried to access an area of memory it did not alocated previously. This could be due to a bug in the software, a hacker trying to force a Denial of Service (DoS) on your web server, incorrect shared memory settings (SHM), or a faulty memory card, among other possible causes.

Anyone would need lots of more information to help you with your error. For example: can you reproduce the error (I do XXX and then I see the segmentation faut). Which modules are active on your httpd? Are you running using any third-part modules or applications inside your httpd server? Which is the MPM module active on your httpd? Which is release of httpd and the underlying OS?

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flozano
Moderator
Moderator
  • 20.5K Views

Many things could generate a segmentation fault. This error means that the process tried to access an area of memory it did not alocated previously. This could be due to a bug in the software, a hacker trying to force a Denial of Service (DoS) on your web server, incorrect shared memory settings (SHM), or a faulty memory card, among other possible causes.

Anyone would need lots of more information to help you with your error. For example: can you reproduce the error (I do XXX and then I see the segmentation faut). Which modules are active on your httpd? Are you running using any third-part modules or applications inside your httpd server? Which is the MPM module active on your httpd? Which is release of httpd and the underlying OS?

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jeesshnasree
Flight Engineer
Flight Engineer
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Hi @flozano ,

thanks for share your valuable information. 

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hi,

I am getting this error in whois module (mod_whois.c)

 

Please help

Thanks & regards

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gdr
Mission Specialist
Mission Specialist
  • 10.5K Views

Hello, 

Often the signal code is explicit about the cause.

If you have the man of the kernel installed, you can find the signal code.

In this case:

SIGSEGV 11 Core Invalid memory reference

This confirm the analysis of an incorrect memory addressing.

Probably in your system was generated a core dump (or is configurable), and here it's possible to retrieve more additional information.

 

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