[Lxc-users] LXC on Debian Squeeze

[Daniel Lezcano]

On 09/28/2010 09:21 AM, Frank Bauer wrote:
> On Mon, Sep 27, 2010 at 10:13 PM, Daniel Lezcano<daniel.lezcano at free.fr>  wrote:
>    
>> Maybe it would be easier to check first if you have this fd in bash with ls
>> -al /proc/<pid>/fd and then follow up the hierarchy to find the first
>> process who introduced this fd.
>>      
> So, tracing the two open fds as you suggested
>
>    lxc-start: inherited fd 7 on pipe:[5329]
>    lxc-start: inherited fd 9 on pipe:[5333]
>
> in the following tree
>
>    init─┬─acpid
>         ├─console-kit-dae───63*[{console-kit-da}]
>         ├─cron
>         ├─2*[dbus-daemon]
>         ├─dbus-launch
>         ├─dhclient
>         ├─gdm───gdm─┬─Xorg
>         │           └─fluxbox─┬─ssh-agent
>         │                     ├─urxvt───bash───su───bash
>         │                     └─xterm───bash───su───bash───pstree
>
> revealed they are both open starting with the second gdm process
> down to the leaf bash processes.
> The first gdm process had only fd 7 on pipe:[5329] open and finally
> init had none of these pipes.
>
> As you can see, I have exchanged xmonad for fluxbox and in
> addition to urxvt I tried xterm without any change.
>
> To send the bugreport to a proper place, which process should be
> responsible for closing those fds? gdm?
>    

Yes, I think so.

I found that : 
http://www.mail-archive.com/debian-bugs-closed@lists.debian.org/msg270073.html
It was not considered as a bug but IMO it was not looked closely enough, 
having a fd inherited in all the child processes is a bug :)

Maybe you can reopen it.

Thanks
   -- Daniel