Re: [Xen-users] OOM killer observed during heavy I/O from VMs (X

To:	Thomas Mueller <tmu@xxxxxxxxxxxx>, xen-users@xxxxxxxxxxxxxxxxxxx
Subject:	Re: [Xen-users] OOM killer observed during heavy I/O from VMs (XEN 3.0.4 and XEN 3.1)
From:	Eric Tessler <maiden1134@xxxxxxxxx>
Date:	Thu, 9 Aug 2007 21:25:42 -0700 (PDT)
Delivery-date:	Thu, 09 Aug 2007 21:26:15 -0700
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Can you send me your OOM killer output from /var/log/messages - I want to see if it's the same one that I am hitting.

If we increase our memory to 384MB of higher, we don't get the OOM killer - at least we have not seen it yet (we want to keep dom0 to 256MB).

Eric

Thomas Mueller <tmu@xxxxxxxxxxxx> wrote:

hi there

> Under both XEN 3.0.4 (2.6.16.33) and XEN 3.1 (2.6.18), I can make the
OOM killer
> appear in dom0 of my server by doing heavy I/O from within a
> VM.

just wanted to say, that i'm facing probably the same problem with XEN
3.1 and 256MB RAM in dom0. I also had this with 512MB but not so often.
Sometimes this happens if i "dd" a new file-image (10GB) in dom0.

- Thomas

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Re: [Xen-users] OOM killer observed during heavy I/O from VMs (XEN 3.0.4