From mboxrd@z Thu Jan  1 00:00:00 1970
From: Zhigang Wang <zhigang.x.wang@oracle.com>
Subject: Re: [PATCH] Fix memory leak in xend
Date: Fri, 29 Aug 2008 09:54:19 +0800
Message-ID: <48B756CB.4010308@oracle.com>
References: <20080829034032.Y22061-100000@xs2.xs4all.nl>
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To: Stefan de Konink <skinkie@xs4all.nl>
Cc: Jim Fehlig <jfehlig@novell.com>, xen-devel <xen-devel@lists.xensource.com>
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Stefan de Konink wrote:
> On Fri, 29 Aug 2008, Zhigang Wang wrote:
> 
>> I also encountered this many times. I come up with a patch.
>>
>> Jim, please review.
>>
>> thanks,
>>
>> zhigang
>>
>> Stefan de Konink wrote:
>>> -----BEGIN PGP SIGNED MESSAGE-----
>>> Hash: SHA512
>>>
>>> Jim Fehlig schreef:
>>>> We observed OOM kills of xend after ~20 days in openSUSE build service
>>>> workers.  xend reached around 2.5 G virt, 1.5G res, and 1.8G shared
>>>> memory usage. Attached patch provides a plug.
>>> Did you see problems after this patch? I have applied it on 3.2.1 which
>>> borks about missing vm_metrics.
>>>
>>>
>>> Stefan
>>> -----BEGIN PGP SIGNATURE-----
>>> Version: GnuPG v2.0.9 (GNU/Linux)
>>> Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org
>>>
>>> iEYEAREKAAYFAki3HhkACgkQYH1+F2Rqwn049gCeIYOm5MSf/NQfgdb9TC009wjS
>>> 9l8An0PeV5xp/jYamySsSACJO1OI2Jp7
>>> =bJwS
>>> -----END PGP SIGNATURE-----
>>>
>>> _______________________________________________
>>> Xen-devel mailing list
>>> Xen-devel@lists.xensource.com
>>> http://lists.xensource.com/xen-devel
> 
> The patch you provide seems to be for the 3.3 version right? The
> is_managed attribute/function, is it available for 3.2? Can anyone
> backport this?
> 
I don't think this patch can solve your VM start problem. It only gives your
more accurate description of the problem you are encountering.
you should check /var/log/xen/xend-debug.log to see which is the right causing
of this problem.
> (I think giving me a reference to a kernel that is older than 2.6.18 and
> supports x86_64 + Xen 3.3 is more work ;)
Xen 3.3 has the same ABI of 3.0+. you can try the latest fedora kernels.

zhigang
> 
> 
> Stefan
>