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From Rainer Jung <rainer.j...@kippdata.de>
Subject Re: [users@httpd] Problems with mod_proxy_balancer / slotmem_create @ apache 2.4.4
Date Sat, 24 Aug 2013 20:34:13 GMT
On 12.08.2013 13:19, Andre.Wendel@bmw.de wrote:
> since apache version 2.4.4 I have a problem by running multiple apache
> instances on my server. Normally we run multiple apaches, under
> different users, on one machine, but since 2.4.4 we have often the
> problem that apache is not able to reserve shared memory, because some
> other instance is using the same shared memory block.
> 
>  
> 
> The failure in the logs:
> 
>  
> 
> [Fri Aug 09 09:24:31.160654 2013] [:emerg] [pid 23958:tid
> 139658191218496] AH00020: Configuration Failed, exiting
> 
> [Fri Aug 09 11:09:46.919038 2013] [proxy_balancer:emerg] [pid 6549:tid
> 139675464337216] (17)File exists: AH01179: balancer slotmem_create failed
> 
>  
> 
> Also seen from another failure
> 
> 6989  shmget(0x1038007, 537, IPC_CREAT|IPC_EXCL|0600) = -1 EEXIST (File
> exists)
> 
>  
> 
> If I now check the shared memory with "ipcs -a" I see that the segment
> is reserverd by another instance of another user. After waiting a couple
> of minutes (up to hours) the apache is then able to start, but waiting
> is currently not really an option!?
> 
>  
> 
> Currently, I’m using apache 2.4.4 with the newest open ssl and and
> openldap version on Suse Linux 11 SP1/2.
> 
>  
> 
> Is there any work around or solution available, or an idea to solve this
> issue?

Can you try DefaultRuntimeDir ?

Regards,

Rainer

-- 
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informationstechnologie GmbH   Tel: 0228 98549 -0
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HRB 8018 Amtsgericht Bonn / USt.-IdNr. DE 196 457 417
Geschäftsführer: Dr. Thomas Höfer, Rainer Jung, Sven Maurmann

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