[Lxc-users] unstoppable container

[Daniel Lezcano]

On 08/31/2010 12:23 AM, Serge E. Hallyn wrote:
> Quoting Daniel Lezcano (daniel.lezcano at free.fr):
>    
>> On 08/30/2010 02:36 PM, Serge E. Hallyn wrote:
>>      
>>> Quoting Papp Tamás (tompos at martos.bme.hu):
>>>        
>>>> Daniel Lezcano wrote, On 2010. 08. 30. 13:08:
>>>>          
>>>>> Usually, there is a mechanism used in lxc to kill -9 the process 1 of
>>>>> the container (which wipes out all the processes of the containers)
>>>>> when lxc-start dies.
>>>>>            
>>>> It should wipe out them, but in my case it was unsuccessfull, even if I
>>>> killed the init process by hand.
>>>>
>>>>          
>>>>> So if you still have the processes running inside the container but
>>>>> lxc-start is dead, then:
>>>>>    * you are using a 2.6.32 kernel which is buggy (this mechanism is
>>>>> broken).
>>>>>            
>>>> Ubuntu 10.04, so it's exactly the point, the kernel is 2.6.32 .
>>>>
>>>>
>>>> Could you point me (or the Ubuntu guy in the list) to an URL, which
>>>> describes the problem or maybe to the kernel patch. If it's possible,
>>>> maybe the Ubuntu kernel maintainers would fix the official Ubuntu kernel.
>>>>          
>>> Daniel,
>>>
>>> which patch are you talking about?  (presumably a patch against
>>> zap_pid_ns_processes()?)  If it's keeping containers from properly
>>> shutting down, we may be able to SRU a small enough patch, but if
>>> it involves a whole Oleg rewrite then maybe not :)
>>>        
>> I am referring to these ones:
>>
>> http://git.kernel.org/?p=linux/kernel/git/next/linux-next.git;a=commit;h=13aa9a6b0f2371d2ce0de57c2ede62ab7a787157
>> http://git.kernel.org/?p=linux/kernel/git/next/linux-next.git;a=commit;h=dd34200adc01c5217ef09b55905b5c2312d65535
>> http://git.kernel.org/?p=linux/kernel/git/next/linux-next.git;a=commit;h=dd34200adc01c5217ef09b55905b5c2312d65535
>>      
> (note, second and third are identical - did you mean to paste 2 or 3 links?
>    

3 links, was this one.

http://git.kernel.org/?p=linux/kernel/git/next/linux-next.git;a=commit;h=614c517d7c00af1b26ded20646b329397d6f51a1

>> Are they small enough for a SRU ?
>>      
> The first one looks trivial enough.  I'd be afraid the second one would be
> considered to have deep and subtle regression potential.  But, we can
> always try.  I'm not on the kernel team so am not likely to have any say
> on it myself :)
>    

Shall we ask directly to the kernel-team@ mailing list ? Or do we have 
to do a SRU first ?

Thanks
   -- Daniel