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

[Steve Prochniak <steve.prochniak@xxxxxxxxxx>]

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.

-----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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