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Re: [Xen-devel] [PATCH] Fix memory leak in xend

To: Stefan de Konink <skinkie@xxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH] Fix memory leak in xend
From: Zhigang Wang <zhigang.x.wang@xxxxxxxxxx>
Date: Fri, 29 Aug 2008 09:54:19 +0800
Cc: Jim Fehlig <jfehlig@xxxxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
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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:
>>> 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
>>> Version: GnuPG v2.0.9 (GNU/Linux)
>>> Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org
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> 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.

> Stefan

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