Date: Wed, 19 Mar 2014 08:49:25 -0300 From: Marcelo Gondim <gondim@bsdinfo.com.br> To: FreeBSD Stable Mailing List <freebsd-stable@freebsd.org> Subject: Re: sshd with zombie process on FreeBSD 10.0-STABLE Message-ID: <53298445.90706@bsdinfo.com.br> In-Reply-To: <CAPJF9wnVOYjTXB0A1wyzwvCj-Tvx_u2uYLW72-wDuz-QZpwT4w@mail.gmail.com> References: <53016D97.5030909@bsdinfo.com.br> <53066B59.5000709@yandex.ru> <531A6C66.2010101@bsdinfo.com.br> <CAPJF9wnVOYjTXB0A1wyzwvCj-Tvx_u2uYLW72-wDuz-QZpwT4w@mail.gmail.com>
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Em 11/03/14 05:45, Alexander Yerenkow escreveu: > Could you try to change shell to simple "sh" and see if this helps? > This could be due to non-atomic work with history file when multiple > clients log off, causing csh produce large broken history files. > This is not 100% your case, but you could at least try :) Changed to shand the problem happened again. Definitely something changed in sshd since version 10.0that is causing this problem. My server never had zombie processes and now they sprout out of nowhere. :( > > > 2014-03-08 3:03 GMT+02:00 Marcelo Gondim <gondim@bsdinfo.com.br > <mailto:gondim@bsdinfo.com.br>>: > > Em 20/02/14 17:53, Andrey V. Elsukov escreveu: > > On 17.02.2014 06:01, Marcelo Gondim wrote: > > 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? > > Hi, > > I use autossh and usually my system has several tens of sshd's > zombies > after few days uptime. > > 11.0-CURRENT #6 r262183 > > New system update and the problem with zombie sshd processes continue. > I noticed that this happens more often when the system has many > remote access via ssh. This problem has been happening to me since > the FreeBSD 10.0R. > > # uname -a > FreeBSD bart.xxxxx.com.br <http://bart.xxxxx.com.br>; 10.0-STABLE > FreeBSD 10.0-STABLE #5 r262657: Tue Mar 4 14:53:08 BRT 2014 > root@bart.xxxxx.com.br:/usr/obj/usr/src/sys/GONDIM10 amd64 >
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