Strange, i tried to compile it with ./configure --with-file-aio but the
error message is the same. did you use the original centos kernel or a
self baked one?

if its the original kernel in you case, are you sure that aio was active?


Greetings

Juergen

Igor Sysoev wrote:
> On Wed, Nov 11, 2009 at 01:44:32PM +0100, Juergen Gotteswinter wrote:
>
>> 2.6.18-164.el5 but redhat does a lot of backporting. i tried to compile
>> it on a centos 5 machine with ./configure --with-file-aio and get this
>>
>> checking for Linux AIO support ... not found
>>
>> ./configure: no supported file AIO was found
>> Currently file AIO is supported on FreeBSD 4.3+ and Linux 2.6.22+ only
>>
>>
>> seems like centos 5 & redhat enterprise 5 are too old
>>
>> but i have the following packages installed, regarding to aio
>>
>> libaio-devel-0.3.106-3.2
>> libaio-0.3.106-3.2
>> libaio-0.3.106-3.2
>> libaio-devel-0.3.106-3.2
>
> nginx does not use libaio. nginx requires eventfd() AIO support.
> I tested AIO on CentOS 5.2.
>
>