Re: [Xen-devel] Kernel aio bug in Debian 2.6.32-5-xen kernel?

[George Dunlap <George.Dunlap@xxxxxxxxxxxxx>]

On Thu, Apr 26, 2012 at 1:07 PM, Stefano Stabellini
<stefano.stabellini@xxxxxxxxxxxxx> wrote:
>> However this kernel does have blktap so why is qemu based AIO being used
>> at all?
>
> If blktap is present and working then libxl only uses QEMU for
> qcow/qcow2 disk images.

Hmm -- except that the process that's dying is clearly QEMU, and the
disk images are definitely not qcow*, and Ian seems to think this
kernel has blktap (how could I tell?), so something's not right.

Is there a command-line way to disable aio?

 -George

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