[Users] -bash: child setpgid (7091 to 8093): Operation not permitted

[Dmitry Mishin]

Vincent,

Could you try newer kernel?
http://software.opensuse.org/download/home:/openvz/SUSE_Linux_10.1/i586/

Please, report if bug still exist.

On Friday 11 August 2006 17:27, Vincent van Gelder wrote:
> Hi,
>
> Sometimes when I login at a openvz virtual private server using ssh, I
> get this message:
> Have a lot of fun...
> -bash: child setpgid (10836 to 11837): Operation not permitted
>
> Now when I use a command like `ls` (a non bash built-in command), bash
> terminates.
> When I use a bash built-in command like `echo 'foobar'` I get the same
> message again:
> $ echo foobar
> foobar
> -bash: child setpgid (10836 to 11837): Operation not permitted
>
> When I start a new bash shell, inside this shell I'm getting the
> hostname from the physical machine instead of the virtual machine and
> also getting the ip address from the physical machine. The process list
> however is from the virtual machine.
>
> this is a piece from ps on the physical machine
> # ps -eo pid,ppid,pgid,user,lstart,args f
>   PID  PPID  PGID USER                      STARTED COMMAND
> 15258     1 15258 root     Wed Aug  9 14:38:49 2006 init [3]
>  8232 15258  8232 root     Fri Aug 11 13:40:26 2006  \_ /usr/sbin/sshd
> -o PidFile=/var/run/sshd.init.pid
> 10810  8232 10810 root     Fri Aug 11 14:09:12 2006      \_ sshd:
> vincent [priv]
> 10812 10810 10810 vincent  Fri Aug 11 14:09:13 2006          \_ sshd:
> vincent at pts/0
> 10813 10812 10813 vincent  Fri Aug 11 14:09:13 2006              \_ -bash
> 10868 10813 10868 vincent  Fri Aug 11 14:10:53 2006                  \_
> bash
>
>
> this the complete ps on the virtual machine:
> $ ps -eo pid,ppid,pgid,user,lstart,args f
>   PID  PPID  PGID USER                      STARTED COMMAND
> 10813 10812 10813 vincent  Fri Aug 11 16:09:13 2006 -bash
> 10868 10813 10868 vincent  Fri Aug 11 16:10:53 2006  \_ bash
> 10985 10868 10985 vincent  Fri Aug 11 16:24:15 2006      \_ ps -eo
> pid,ppid,pgid,user,lstart,args f
> 15258     1 15258 root     Wed Aug  9 16:38:49 2006 init [3]
> 16622 15258 16622 root     Wed Aug  9 16:38:52 2006  \_ /sbin/syslog-ng
> 16625 15258 16625 root     Wed Aug  9 16:38:52 2006  \_ /sbin/klogd -c 1
> -x -x
> 16631 15258 16631 nobody   Wed Aug  9 16:38:52 2006  \_ /sbin/portmap
>  4645 15258  4597 root     Thu Aug 10 14:13:33 2006  \_ /bin/sh
> /usr/bin/mysqld_safe --datadir=/var/lib/
>  4678  4645  4597 mysql    Thu Aug 10 14:13:33 2006  |   \_
> /usr/sbin/mysqld --basedir=/ --datadir=/var/
>  8232 15258  8232 root     Fri Aug 11 15:40:26 2006  \_ /usr/sbin/sshd
> -o PidFile=/var/run/sshd.init.pid
> 10810  8232 10810 root     Fri Aug 11 16:09:12 2006      \_ sshd:
> vincent [priv]
>
> It seems like the ssh process with pid 10812 is missing here.
>
> I did a strace on the physical machine on pid 10813 and then I exited
> process 10868 on the virtual machine.
> $ exit
> -bash: child setpgid (11022 to 11837): Operation not permitted
> 16:27:23 vincent at testvz ~ :)
> $ logout
>
>
>
> I have attached the strace file.
>
> kernel: Linux pc-094 2.6.16.13-026test012-2-default #1 Wed May 3
> 08:53:23 MSD 2006 i686 i686 i386 GNU/Linux
> distro: opensuse10

-- 
Thanks,
Dmitry.