[Users] loopback connection problem

[Denis Zinevich]

on 9000 - php-fpm
do not depend on application, when I catch this case, I'm trying to telnet to any localhost port (22, 80, 443, etc...) result is same - just no connection.
Also checked few times - no failcnt in /proc/user_beancounters, plenty tcp ports available, no strange values in "top", etc...

22.07.2014, 02:53, "Kir Kolyshkin" <kir at openvz.org>:
> On 07/21/2014 03:33 PM, Denis Zinevich wrote:
>>  21.07.2014, 20:02, "Kir Kolyshkin" <kir at openvz.org>:
>>>  On 07/21/2014 02:54 AM, Denis Zinevich wrote:
>>>>   Hi all,
>>>>
>>>>   Now I'm on 2.6.32-042stab088.4 and got exactly same problem again, but now during load tests (not so hogh load though).
>>>>   Randomly it works or not. When issue occurs I just can't telnet to any port - connection times out.
>>>  My guess is it is not kernel version related. You need to collect your
>>>  routing tables, iptables rules,
>>>  arp table etc. when it is working and when it is not working, compare
>>>  and try to find what's wrong.
>>>
>>>  Kir.
>>  There's not much to collect. I thought about that first of all, and tried disabling iptables, etc... Thing is that I have problem connecting to 127.0.0.1 inside container. It's not filtered at all.
>>  One more problem is that if you try 10 times in a row "telnet 127.0.0.1 9000" it will work / do not work randomly. may be 50/50, 10/90, 0/100.
>>  So I even can't reproduce this issue with any warranty.
>
> What application do you have listening on that port?
> Can you retry with something standard like say apache?
>
> Kir.
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