Re: [LTP] [PATCH] testcase pidns20, pidns21 on pid namespace

[Rishikesh <risrajak@linux.vnet.ibm.com>]

Subrata Modak wrote:
> On Mon, 2009-02-16 at 10:59 +0530, Subrata Modak wrote: 
>   
>> Thanks Suka,
>>
>> On Sat, 2009-02-14 at 12:31 -0800, Sukadev Bhattiprolu wrote:
>>     
>>> Subrata Modak [subrata@linux.vnet.ibm.com] wrote:
>>> | 
>>> | > > pidns21:
>>> | > >    The pidns21.c testcase verifies that container-init is terminated
>>> | > >    by SIGUSR1 when:
>>> | > >       - a handler is specified for SIGUSR1,
>>> | > >       - container-init blocks SIGUSR1,
>>> | > >       - parent queues SIGUSR1 and
>>> | > >       - handler for SIGUSR1 is set to system default before SIGUSR1 is 
>>> | > > unblocked.
>>>
>>> I know I had acked this test before, but back then the actual implementation
>>> of the signal semantics in the kernel were not complete.
>>>
>>> To simplify the implementation of the semantics, it was decided that
>>> SIGKILL/SIGSTOP would be the only reliable signals from a parent
>>> container. IOW, container-init would ignore SIGUSR1 or SIGINT, SIGQUIT
>>> etc even if sent from a parent container.
>>>
>>> See patchset/discussion:
>>>
>>> 	http://lkml.org/lkml/2009/1/17/131
>>>
>>> (which is not yet merged, but appears to be close to consensus)
>>>
>>> The  rationale for this simplification is that any serious
>>> 'container-init' would explicitly SIG_IGN all signals that it is
>>> not interested in. So the only signals that would be in SIG_DFL
>>> state would be SIGKILL/SIGSTOP.
>>>
>>> Effectively, testcase pidns21 will fail if/when the above patchset
>>> (specifically, patch 5/6) is merged.
>>>       
>> Gowri,
>>
>> Kindly update this test when the patch makes into next stable kernel
>> release.
>>     
>
> Suka/Gowri,
>
> Are we still looking into these tests ?
>   


Anyone still looking into it ? Still i am getting failure for pidns21 
with latest ltp release.

-Rishi
> Regards--
> Subrata
>
>   
>> Regards--
>> Subrata
>>
>>
>>
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