Suggestions on a PPPoE server with mpd

[Einstein Oliveira]

Julian Elischer wrote:
> Einstein Oliveira wrote:
>>> Einstein Oliveira wrote:
>>>> Julian Elischer wrote:
>>>>> Einstein Oliveira wrote:
>>>>>> Hi all,
>>>>>>
>>>>>> In an attempt to change from pppoed + ppp to mpd I'm having some 
>>>>>> strange behaviour with the later on the same host that usually 
>>>>>> handles 100+ clients with the former.
>>>>>>
>>>>>> Basically it's a i386 FreeBSD 6.3 system with mpd-5.1 and 1 GB 
>>>>>> Ram. Users can connect without any problem.
>>>>>>
>>>>>> After a few minutes a SECOND mpd process is initiated and this one 
>>>>>> consumes all idle processing of the host.
>>>>>>
>>>>>> Whoever is connected before that still remains connected but no 
>>>>>> new user can get in anymore. Also logging stops being generated.
>>>>>>
>>>>>> The only solution is a killall -KILL on mpd.
>>>>>>
>>>>>> On another host I have the same configuration working as expected 
>>>>>> but with less than 50 clients.
>>>>>>
>>>>>> Both configurations are the same from mpd.conf.sample.
>>>>>>
>>>>>> So I'm looking for any suggestions that somebody has been using to 
>>>>>> handle that many pppoe connections (100+) with mpd.
>>>>>>
>>>>>>
>>>>>>
>>>>>> Thanks,
>>>>>>
>>>>>
>>>>>
>>>>> people have handled many more than 100 I think..
>>>>> however there is no reason that a 2nd should start up.
>>>>> what is teh PPID of the 2nd?
>>>>>
>>>>> are you sure that it isn't being started up by whatever starts up 
>>>>> the first?
>>>>>
>>>>>
>>>>
>>>> The second process has a bigger PID than the first and I'm using the 
>>>> default /usr/local/etc/rc.d/mpd5 as startup script with 
>>>> mpd_enable="YES" on /etc/rc.conf.
>>>
>>> what  about the PPID?  (Parent PID)  ps alx shows this.
>>>
>>>>
>>
>> here is the output of ps -alx:
>>
>>     0 12573     1   0  20  0  5424  3468 kserel Ss    ??    0:00.15
>> /usr/local/sbin/mpd5 -p /va
>>     0 12629 12573 283 131  0  5424  3452 -      R     ??    0:36.94
>> /usr/local/sbin/mpd5 -p /va
>>     0 12707 11713   0  96  0  1528   868 -      R+    p0    0:00.00
>> grep mpd5
>>
>>
> sorry I repeated myself..
> hmmm kserel... it's threaded? I didn't know that..
> does top -H show a bunch of threads?

12720 root      96    0  8252K  5656K select   0:26  0.00% mpd5
12720 root      20    0  8252K  5656K kserel   0:26  0.00% mpd5
12720 root      20    0  8252K  5656K ksesig   0:26  0.00% mpd5

> 
> So the first copy of mpd has spawned another while threaded.
> have you applied the patch for 6.3 in the 6.3 errata notifications?
> 
> http://security.freebsd.org/advisories/FreeBSD-EN-08:01.libpthread.asc
> 
> 

Not yet. This host is using the RELENG_6_3 tag but I can do that if you 
think it can help.

-- 
Einstein Oliveira              einstein at yawl.com.br
___________________________________________________
Yawl Internet Ltda.         http://www.yawl.com.br/