Date: Tue, 15 Apr 2014 10:54:45 -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 - RESOLVED Message-ID: <534D3A25.4020605@bsdinfo.com.br> In-Reply-To: <53298445.90706@bsdinfo.com.br> References: <53016D97.5030909@bsdinfo.com.br> <53066B59.5000709@yandex.ru> <531A6C66.2010101@bsdinfo.com.br> <CAPJF9wnVOYjTXB0A1wyzwvCj-Tvx_u2uYLW72-wDuz-QZpwT4w@mail.gmail.com> <53298445.90706@bsdinfo.com.br>
next in thread | previous in thread | raw e-mail | index | archive | help
Em 19/03/14 08:49, Marcelo Gondim escreveu: > 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 >> > My problem was resolved by applying this patch: http://lists.freebsd.org/pipermail/freebsd-hackers/2014-April/044910.html Cheers, Gondim
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?534D3A25.4020605>