[Mageia-dev] /run/httpd (maybe others) breaking features

[Colin Guthrie]

'Twas brillig, and Pascal Terjan at 24/01/13 01:40 did gyre and gimble:
> On Thu, Jan 24, 2013 at 12:45 AM, Colin Guthrie <mageia at colin.guthr.ie> wrote:
>> 'Twas brillig, and Pascal Terjan at 24/01/13 00:24 did gyre and gimble:
>>> I was looking at perl-Apache2-DebugFilter build failure
>>>
>>> In the test it starts an apache which fails as it uses
>>> http://httpd.apache.org/docs/trunk/rewrite/rewritemap.html#prg which
>>> uses a mutex stored in /run/httpd/
>>>
>>> [Wed Jan 23 23:49:55.962405 2013] [core:emerg] [pid 55277]
>>> (13)Permission denied: AH00023: Couldn't create the rewrite-map mutex
>>> (file /run/httpd/rewrite-map.55277)
>>>
>>> That directory is now owned by root so it can't be used for anything
>>> except creating the httpd.pid
>>>
>>> $ cat /usr/lib/tmpfiles.d/httpd.conf
>>> d /run/httpd   755 root root
>>>
>>> Fedora uses "d /run/httpd   710 root apache" which doesn't help in
>>> this case but fixes other problems
>>>
>>> In the past (Mageia 1) runtimedir was /var/run directly so it was
>>> possible to create mutex files there for any user
>>
>> Hmm, not sure what you mean here.
>>
>> [colin at mga2 ~]$ ls -ld /var/run
>> drwxr-xr-x 38 root root 4096 Jan 23 04:04 /var/run/
>>
>> That dir is also owned by root with 755 perm. It shouldn't make any odds
>> to permissions.
> 
> Hmm you are right, I don't know why it got broken then
> 
> It used to use /var/run/ as runtime dir and it succeeded creating the mutex
> It now fails to create it in /run/httpd/
> 
> I don't have more clues :(
> 
> It may be some change in apache but I couldn't find, I'll try to find
> out more tomorrow

If this is on the build system, perhaps the tmpfiles stuff isn't run for
some reason and /run/httpd isnt't created. And then maybe code in apache
tries to mkdir /run/httpd and that's where the permission denied error
comes from?

/me is clutching at straws here :)

Col


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Colin Guthrie
colin(at)mageia.org
http://colin.guthr.ie/

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