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RE: [Xen-devel] HVM domain with write caching going on somewhere to disk

To: "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-devel] HVM domain with write caching going on somewhere to disk
From: "James Harper" <james.harper@xxxxxxxxxxxxxxxx>
Date: Thu, 8 Nov 2007 22:47:11 +1100
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Thread-topic: [Xen-devel] HVM domain with write caching going on somewhere to disk
> 
> Qemu-dm should probably be specifying O_DIRECT when it opens guest
storage
> volumes. There was discussion about this quite some time ago, but I
don't
> think any patch was ever floated.

I just changed the open in block.c to include O_DIRECT, but it fails to
boot. The VNC session flashes up very quickly and I can definitely see
the BIOS there but nothing else.

I'll have a look a bit further tomorrow...

Thanks

James

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