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

[Alex Bligh <alex@xxxxxxxxxxx>]

Konrad,

--On 22 February 2013 12:41:29 -0500 Konrad Rzeszutek Wilk 
<konrad.wilk@xxxxxxxxxx> wrote:
> You should be able to test this rather easy by (in your guest)
> mounting an ext3 or ext4 with barrier support and then looking at
> the blktrace/blkparse to make sure that the sync commands are indeed
> hitting the platter.
OK, I will do that.

I take it that it will sufficient to show:
a) blktrace on the guest performing FUA/FLUSH operations; and
b) blktrace on the host performing FUA/FLUSH operations
in each case where there is an ext4 FS with barrier support turned
on.

--
Alex Bligh

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