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Re: SVN server ( (28)No space left on device: AH00023: Couldn't create the watchdog-callback mutex )

From: Johan Corveleyn <jcorvel_at_gmail.com>
Date: Fri, 10 May 2019 10:45:48 +0200

On Fri, May 10, 2019 at 9:14 AM Venkatakrishna Thumma
<VThumma_at_vitechinc.com> wrote:
> Hi Team,
>
> Sometimes our SVN servers is going down and if we verify the logs we are seeing below issue. But server has enough space.
>
> Can someone please help us in resolving the issue.
>
>
> [Mon Feb 18 03:36:05.063291 2019] [auth_digest:notice] [pid 31489] AH01757: generating secret for digest authentication ...
> [Mon Feb 18 03:36:05.063627 2019] [ssl:warn] [pid 31489] AH01873: Init: Session Cache is not configured [hint: SSLSessionCache]
> [Mon Feb 18 03:36:05.065530 2019] [ssl:warn] [pid 31489] AH01909: XXXXXXXXXXXX443:0 server certificate does NOT include an ID which matches the server name
> [Mon Feb 18 03:36:05.067477 2019] [lbmethod_heartbeat:notice] [pid 31489] AH02282: No slotmem from mod_heartmonitor
> [Mon Feb 18 03:36:05.067654 2019] [core:emerg] [pid 31489] (28)No space left on device: AH00023: Couldn't create the watchdog-callback mutex
> [Mon Feb 18 03:36:05.067735 2019] [:emerg] [pid 31489] AH00020: Configuration Failed, exiting
> [Mon Feb 18 04:20:12.619767 2019] [ssl:warn] [pid 22058] AH01909: XXXXXXXXXXXX443:0 server certificate does NOT include an ID which matches the server name
> [Mon Feb 18 04:20:12.621528 2019] [suexec:notice] [pid 22058] AH01232: suEXEC mechanism enabled (wrapper: /usr/sbin/suexec)

It seems to me that error is not specific to SVN, but to the Apache
httpd server in which the svn module runs. Searching for "(28)No space
left on device: AH00023: Couldn't create the watchdog-callback mutex"
results in a couple of hits that pertain to httpd in different
contexts than SVN. This one seems to give a possible cause and some
resolution options:

https://support.plesk.com/hc/en-us/articles/213368389-Unable-to-start-Apache-28-No-space-left-on-device-AH00023-Couldn-t-create-the-mutex

If that doesn't help, perhaps you should seek further help from the
Apache httpd community:
https://httpd.apache.org/support.html

-- 
Johan
Received on 2019-05-10 10:46:11 CEST

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