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Re: [Xen-devel] [PATCH] libxl: default to xenconsoled for pv guests, even if qemu is running

On Wed, 25 Apr 2012, Ian Campbell wrote:
> # HG changeset patch
> # User Ian Campbell <ian.campbell@xxxxxxxxxx>
> # Date 1335351300 -3600
> # Node ID 28f86b71782a099c0373fb237e6b08e0788ff69d
> # Parent  02f0161ae6201ded5415e7f0c92214b4783c8d72
> libxl: default to xenconsoled for pv guests, even if qemu is running.
> Currently we prefer to use qemu for the disk backend if we are starting qemu
> anyway (e.g. to service a disk).
> Unfortunately qemu doesn't log the console, which xenconsoled can do via
> XENCONSOLED_TRACE=guest. Since xenconsoled is also running anyway it seems 
> like
> there is no particular reason to prefer qemu just because it happens to be
> running.
> However we must use qemu if thereis more than one console (xenconsoled only
> supports a single console).
> Therefore push the logic to change the console backend down into
> libxl__need_xenpv_qemu so that it can do the right thing.
> Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>

Acked-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>

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