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Date:      Sun, 23 Feb 2014 15:55:01 -0300
From:      Marcelo Gondim <gondim@bsdinfo.com.br>
To:        freebsd-stable@freebsd.org
Subject:   Re: sshd with zombie process on FreeBSD 10.0-STABLE [resolved]
Message-ID:  <530A4405.10106@bsdinfo.com.br>
In-Reply-To: <53061BE5.9090504@bsdinfo.com.br>
References:  <53016D97.5030909@bsdinfo.com.br> <53061BE5.9090504@bsdinfo.com.br>

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Em 20/02/14 12:14, Marcelo Gondim escreveu:
> Em 16/02/14 23:01, Marcelo Gondim escreveu:
>> Hi all,
>>
>> I have noticed zombie processes on the system after a few lost 
>> connections on ssh.
>>
>> # ps afx
>> [...]
>>  8045  -  Is       0:00.01 sshd: unknown [priv] (sshd)
>>  8046  -  Z        0:00.01 <defunct>
>>  8054  -  IW       0:00.00 sshd: unknown [pam] (sshd)
>> 28146  -  Is       0:00.01 sshd: unknown [priv] (sshd)
>> 28147  -  Z        0:00.01 <defunct>
>> 28155  -  IW       0:00.00 sshd: unknown [pam] (sshd)
>> 43320  -  Is       0:00.01 sshd: unknown [priv] (sshd)
>> 43321  -  Z        0:00.01 <defunct>
>> 43322  -  IW       0:00.00 sshd: unknown [pam] (sshd)
>> 73413  -  Is       0:00.01 sshd: unknown [priv] (sshd)
>> 73414  -  Z        0:00.01 <defunct>
>> 73430  -  IW       0:00.00 sshd: unknown [pam] (sshd)
>> [...]
>>
>> Processes do not die with kill-9.
>> Anyone else noticed this?
>>
>> # uname -a
>> FreeBSD bart.xxxxx.com.br 10.0-STABLE FreeBSD 10.0-STABLE #3 r261419: 
>> Mon Feb 10 01:02:43 BRST 2014 
>> root@bart.xxxxx.com.br:/usr/obj/usr/src/sys/GONDIM10  amd64
>>
>> Best regards,
>> _______________________________________________
>> freebsd-stable@freebsd.org mailing list
>> http://lists.freebsd.org/mailman/listinfo/freebsd-stable
>> To unsubscribe, send any mail to 
>> "freebsd-stable-unsubscribe@freebsd.org"
>>
> The revision 261948 it seems that the problem does not happen anymore. :)
>
> # uname -a
> FreeBSD bart.xxxxx.com.br 10.0-STABLE FreeBSD 10.0-STABLE #4 r261948: 
> Tue Feb 18 01:53:45 BRT 2014 
> root@bart.xxxxx.com.br:/usr/obj/usr/src/sys/GONDIM10  amd64
I thought the problem had been solved, but the problem happened again.  :(

[...]
32099  -  Is       0:00.01 sshd: unknown [priv] (sshd)
32100  -  Z        0:00.01 <defunct>
[...]
81841  -  Is       0:00.01 sshd: unknown [priv] (sshd)
81842  -  Z        0:00.01 <defunct>
[...]

Some new configuration in sshd_config is necessary?

# uname -a
FreeBSD bart.xxxxx.com.br 10.0-STABLE FreeBSD 10.0-STABLE #4 r261948: 
Tue Feb 18 01:53:45 BRT 2014 
root@bart.xxxxx.com.br:/usr/obj/usr/src/sys/GONDIM10  amd64

Thanks!

Gondim



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