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From Plüm, Rüdiger, Vodafone Group <ruediger.pl...@vodafone.com>
Subject AW: httpd 2.4.25, mpm_event, ssl: segfaults
Date Thu, 16 Feb 2017 10:41:18 GMT


> -----Ursprüngliche Nachricht-----
> Von: Yann Ylavic [mailto:ylavic.dev@gmail.com]
> Gesendet: Donnerstag, 16. Februar 2017 11:35
> An: httpd-dev <dev@httpd.apache.org>
> Betreff: Re: httpd 2.4.25, mpm_event, ssl: segfaults
> 
> On Thu, Feb 16, 2017 at 11:20 AM, Plüm, Rüdiger, Vodafone Group
> <ruediger.pluem@vodafone.com> wrote:
> >>
> >> Please note that "EnableMMap on" avoids EnableSendfile (i.e.
> >> "EnableMMap on" => "EnableSendfile off")
> >
> > Just for clarification: If you placed EnableMMap on in your test
> > configuration you also put EnableSendfile off in your configuration,
> > correct? Just putting in EnableMMap on does not automatically cause
> > EnableSendfile set to off. I know that at least on trunk
> > EnableSendfile on is no longer the default.
> 
> If I "EnableMMap on", core_output_filter() will never use sendfile()
> (whatever EnableSendfile is).
> 
> I can try to figure out why (that's a really-all build/conf, so maybe
> some module's filter is apr_bucket_read()ing in the chain unless
> EnableMMap, unlikely though)...

And this is what I don't understand and cannot read immediately from the code. Weird.


Regards

Rüdiger

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