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List:       freebsd-current
Subject:    Re: Unable to shutdown jail on BETA4
From:       Nikolay Pavlov <qpadla () gmail ! com>
Date:       2008-01-30 13:36:04
Message-ID: 200801301536.04772.qpadla () gmail ! com
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On Tuesday 25 December 2007 18:46:04 Nikolay Pavlov wrote:
> On Wednesday 12 December 2007 05:17:27 Andrew Thompson wrote:
> > On Wed, Dec 12, 2007 at 05:12:42AM +0200, Nikolay Pavlov wrote:
> > > Hi all.
> > > Not sure were to go with this... I see a weird jail behavior on
> > > recent BETA4. After successful "/etc/rc.d/jail stop cell" execution
> > > the jail is still could be listed with jls command:
> > > root@cassini:~# jls
> > > JID  IP Address      Hostname  Path
> > > 4  xxx.53.51.236   php-cgi   /home/jails/php-cgi
> > > 
> > > But i am unable to find any processes with this jid in the system:
> > > root@cassini:~# ps ax -o jid | grep 4
> > > root@cassini:~#
> > > 
> > > Any comments?
> > 
> > This has been fixed (sort of), make sure you have r1.208.2.1 of
> > /usr/src/sys/kern/kern_conf.c
> > 
> > 
> > cheers,
> > Andrew
> 
> Unfortunately the problem is still there, but it's not easy to trigger
> it. Here it is after "/etc/rc.d/jail restart php_cgi" and 11 days of
> uptime: root@cassini:~# jls
> JID  IP Address      Hostname                      Path
> 9  xxx.53.51.236   php-cgi  /home/jails/php-cgi
> 7  xxx.53.51.236   php-cgi  /home/jails/php-cgi
> root@cassini:~# ps awwx -o jid | grep 9 | wc -l
> 13
> root@cassini:~# ps awwx -o jid | grep 7 | wc -l
> 0
> root@cassini:~# uname -a
> FreeBSD cassini 7.0-BETA4 FreeBSD 7.0-BETA4 #2: Thu Dec 13 06:54:11 EET
> 2007 root@cassini:/usr/obj/usr/src/sys/GENERIC  amd64

The problem is still present in 7.0-RC1:
FreeBSD cassini.grimmbrothers.com.ua 7.0-RC1 FreeBSD 7.0-RC1 #0: Mon Jan 28 
16:57:47 EET 2008     root@cassini:/usr/obj/usr/src/sys/GENERIC  amd64

After executing "/etc/rc.d/jail restart php_cgi"
I see a jail without a processes:

root@cassini:/home/www/# jls                                                          \
  JID  IP Address      Hostname                      Path
     2  xxx.53.51.236   php-cgi  /home/jails/php-cgi
     1  xxx.53.51.236   php-cgi  /home/jails/php-cgi
root@cassini:/home/www/# ps awwx -o jid | grep 1 | wc -l                              \
  0
root@cassini:/home/www/# ps awwx -o jid | grep 2 | wc -l                              \
  13 

Also i am using nullfs to mount some directories for this jail, however i 
am not sure if it's related to the problem. 

-- 
======================================================================  
- Best regards, Nikolay Pavlov. <<<-----------------------------------    
======================================================================  

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