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Posted to bugs@httpd.apache.org by bu...@apache.org on 2017/10/23 17:27:34 UTC

[Bug 61653] New: Can't restart apache a lot of semaphore

https://bz.apache.org/bugzilla/show_bug.cgi?id=61653

            Bug ID: 61653
           Summary: Can't restart apache a lot of semaphore
           Product: Apache httpd-2
           Version: 2.4.25
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: All
          Assignee: bugs@httpd.apache.org
          Reporter: fernando05rocha@gmail.com
  Target Milestone: ---

hello, 

I have some problems to restart http server, when restarted i have that error
in error_log:

[Sat Oct 21 12:50:02.481374 2017] [core:emerg] [pid 26252:tid 139818743847040]
(28)No space left on device: AH00023: Couldn't create the rewrite-map mutex 
[Sat Oct 21 12:55:01.019527 2017] [core:emerg] [pid 28150:tid 140099316553856]
(28)No space left on device: AH00023: Couldn't create the rewrite-map mutex 

 Running ipcs -s show a lot of semaphore:

------ Semaphore Arrays --------
key        semid      owner      perms      nsems     
0x00000000 1191870464 apache     600        1         
0x00000000 1191903233 apache     600        1         
0x00000000 1191837698 apache     600        1         
0x00000000 1191936003 apache     600        1         
0x00000000 1191968772 apache     600        1         
0x00000000 1192001541 apache     600        1

After kill that semaphore i can restart http normaly

I'm search about the problem and find this report: 
https://bz.apache.org/bugzilla/show_bug.cgi?id=21335

but i'm using httpd 2.4.25 version and until have problem. I'm using CentOS
Linux release 7.3.1611
Can you help us ?

tks

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[Bug 61653] Can't restart apache a lot of semaphore

Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=61653

Luca Toscano <to...@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |INVALID

--- Comment #1 from Luca Toscano <to...@gmail.com> ---
Hi Fernando,

have you checked out https://httpd.apache.org/docs/2.4/mod/core.html#mutex? I
think that your concerns might be better addressed on IRC (Freenode #httpd) or
the users@ mailing list https://httpd.apache.org/lists.html#http-users.

Going to close this as invalid, but please re-open if you feel that something
is missing.

Luca

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