Re: [Xen-devel] Xend FD leak upon migrate receive

[Jim Fehlig <jfehlig@xxxxxxxx>]

Steve Prochniak wrote:
> Fyi - the leak occurs on the receiver side and only exists when using SSL 
> migration.  I don't know if that rings any bells or not.
>   

Maybe op_quit() in tools/python/xen/xend/server/relocate.py needs to
handle cleaning up the pipe created in op_sslreceive()?

Regards,
Jim

> -----Original Message-----
> From: Ian Campbell [mailto:Ian.Campbell@xxxxxxxxxx] 
> Sent: Thursday, May 02, 2013 9:42 AM
> To: Sander Eikelenboom
> Cc: Steve Prochniak; xen-devel@xxxxxxxxxxxxx
> Subject: Re: [Xen-devel] Xend FD leak upon migrate receive
>
> On Thu, 2013-05-02 at 14:36 +0100, Sander Eikelenboom wrote:
>   
>> Thursday, May 2, 2013, 1:42:11 PM, you wrote:
>>
>>     
>>> On Wed, 2013-05-01 at 17:50 +0100, Steve Prochniak wrote:
>>>       
>>>> Xend leaks one fd each time a guest migrates to it's server.  I'm
>>>> wondering if this is a known problem with a known fix, or if someone
>>>> who knows that code better than me could point me in the right
>>>> direction.  
>>>>         
>>> I'm afraid xend is basically unmaintained these days (which has caused
>>> to become deprecated in current releases) AFAIK there aren't any people
>>> around who know the code in any great detail.
>>>       
>>> I don't recall having heard of anything along the lines of what you
>>> report so I don't think it is a known problem.
>>>       
>> Isn't this the same as the:
>>  test-amd64-i386-xend-winxpsp3 16 leak-check/check             fail  never 
>> pass
>>  test-amd64-i386-xend-qemut-winxpsp3 16 leak-check/check        fail never 
>> pass
>>     
>
> Why do you think that?
>
> AFAIK this is checking for leaked files (not file descriptors) and
> xenstore entries etc. Also it seems to pass for other test sequences
> which also involve xend and migration.
>
> Ian.
>
>
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>   

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