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Re: [Xen-devel] [PATCH for 4.5] libxl: Tell qemu to use raw format when using a tapdisk

On Wed, Dec 10, 2014 at 4:30 PM, Konrad Rzeszutek Wilk
<konrad.wilk@xxxxxxxxxx> wrote:
> On Tue, Dec 09, 2014 at 02:48:21PM +0000, Ian Campbell wrote:
>> On Tue, 2014-12-09 at 14:04 +0000, George Dunlap wrote:
>> > At the moment libxl unconditinally passes the underlying file format
>> > to qemu in the device string.  However, when tapdisk is in use,
>> > tapdisk handles the underlying format and presents qemu with
>> > effectively a raw disk.  When qemu looks at the tapdisk block device
>> > and doesn't find the image format it was looking for, it will fail.
>> >
>> > This effectively means that tapdisk cannot be used with HVM domains at
>> > the moment except for raw files.
>> >
>> > Instead, if we're using a tapdisk backend, tell qemu to use a raw file
>> > format.
>> >
>> > Signed-off-by: George Dunlap <george.dunlap@xxxxxxxxxxxxx>
>> Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
> Release-Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>

This doesn't seem to have been applied yet.


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