[CentOS] Postfix dying

Sat Nov 10 17:11:01 UTC 2007
Paul Norton <paul at neoverve.com>

Christopher Chan wrote:
> Paul Norton wrote:
>> Christopher Chan wrote:
>>> Paul Norton wrote:
>>  >
>>>> Postfix is dying on one of my servers almost nightly.  This system 
>>>> is running CentOS5 with postfix-2.3.3-2.
>>>>
>>>> In the morning (after noticing it died) I try to run `service 
>>>> postfix stop` and I get a failed start.  Running `ps ax | grep 
>>>> postfix` I can see one process still running for postfix.  After 
>>>> killing this, I am able to run `service postfix start`.
>>>
>>> Which process is it? smtpd? master?
>>
>> Master
>>
> 
> Do you sometimes find anvil missing? I wonder if you can strace master 
> and see what it is doing or waiting for...

This happened again this morning. I see the anvil process died -

22815 ? Z 0:13 [anvil] <defunct>

# strace -p 22799
Process 22799 attached - interrupt to quit
futex(0xb7bc2bec, FUTEX_WAIT, 2, NULL <unfinished ...>

That's all there was from strace.

-- 
Paul Norton
Systems Administrator
Neoverve - www.neoverve.com
Neoverve Blog - http://blog.neoverve.com/