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Re: [Xen-devel] Fatal crash on xen4.2 HVM + qemu-xen dm + NFS

To: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
From: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
Date: Thu, 7 Mar 2013 04:15:39 +0000
Cc: Jan Beulich <JBeulich@xxxxxxxx>, Stefano Stabellini <Stefano.Stabellini@xxxxxxxxxxxxx>, Ian Campbell <Ian.Campbell@xxxxxxxxxx>, Alex Bligh <alex@xxxxxxxxxxx>, Xen Devel <xen-devel@xxxxxxxxxxxxx>
Delivery-date: Thu, 07 Mar 2013 04:16:16 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>

On Thu, 7 Mar 2013, Konrad Rzeszutek Wilk wrote:
> On Wed, Mar 06, 2013 at 11:50:48AM +0000, Alex Bligh wrote:
> > I think this indicates barriers are getting through. Correct?
> 
> Yes, and in the correct order (which is the most important part).

Alex, can you submit a proper patch for QEMU upstream to remove
BDRV_O_NOCACHE from qflags?
Please add an explanation on why you are removing it and a link to this
thread.

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Follow-Ups:
- Re: [Xen-devel] Fatal crash on xen4.2 HVM + qemu-xen dm + NFS
  - From: Alex Bligh
- [Xen-devel] [PATCH] QEMU(upstream): Disable xen's use of O_DIRECT by default as it results in crashes.
  - From: Alex Bligh

References:
- Re: [Xen-devel] Fatal crash on xen4.2 HVM + qemu-xen dm + NFS
  - From: Alex Bligh
- Re: [Xen-devel] Fatal crash on xen4.2 HVM + qemu-xen dm + NFS
  - From: Konrad Rzeszutek Wilk

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