Re: What does this mesg mean? (Server cannot start)

[Tianyin Xu <tixu@xxxxxxxxxxx>]

This's very likely that Apache leaving a bunch of stray semaphore sets lying around after an attempted restart of apache. 

you can use the following commands to check:

#ipcs -s | grep apache 

and use the following to kill:

ipcs -s | grep apache | awk ' { print $2 } ' | xargs -n 1 ipcrm -s


use the username you starts apache (e.g., specified by "User" directive) instead of 'apache' in the commands.

T

On Fri, Nov 30, 2012 at 10:38 AM, Jackie Zhang <jackie.qq.zhang@xxxxxxxxx> wrote:

Yes, I think it's due to unclean exits.
Now no matter how simple the configuration is, the server refused to start.

Could you tell me what should I clean (e.g., a system file) to make it work?

Jackie

On Fri, Nov 30, 2012 at 1:19 AM, Igor Galić <i.galic@xxxxxxxxxxxxxx> wrote:
>
> Are you missing mutex definitions?
> What does your config look like?
>
> Also, our bot from #httpd says:
>
> <fajita> Use ipcs to identify dead IPC stuff, and ipcrm to clean it up. And in future, make sure Apache httpd exits cleanly
>
>
> ----- Original Message -----
>> Hi,
>>
>> I find these log messages in my error_log,
>>
>> [Thu Nov 29 22:59:37.016343 2012] [auth_digest:notice] [pid 9146:tid
>> 139862742857472] AH01757: generating secret for digest authentication
>> ...
>> [Thu Nov 29 22:59:37.016481 2012] [core:emerg] [pid 9146:tid
>> 139862742857472] (28)No space left on device: AH00023: Couldn't
>> create
>> the authdigest-client mutex
>> [Thu Nov 29 22:59:37.016495 2012] [auth_digest:error] [pid 9146:tid
>> 139862742857472] (28)No space left on device: AH01760: failed to
>> create lock (client_lock) - all nonce-count checking, one-time
>> nonces,
>> and MD5-sess algorithm disabled
>> [Thu Nov 29 22:59:37.016531 2012] [:emerg] [pid 9146:tid
>> 139862742857472] AH00020: Configuration Failed, exiting
>>
>> I'm sure I have plenty of space on my disk.
>>
>> Thank you!
>> Jackie
>>
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>
> --
> Igor Galić
>
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--
Tianyin XU,
http://cseweb.ucsd.edu/~tixu/