Am 10.01.2013 15:39, schrieb Paolo Bonzini:
> A blank CD or DVD is visible as a zero-sized disks. Probing such
> disks will lead to an EIO and a failure to start the VM. Treating
> them as raw is a better solution.
>
> Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
> ---
> block.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/block.c b/block.c
> index c05875f..b9da10e 100644
> --- a/block.c
> +++ b/block.c
> @@ -532,7 +532,7 @@ static int find_image_format(const char *filename,
> BlockDriver **pdrv)
> }
>
> /* Return the raw BlockDriver * to scsi-generic devices or empty drives
> */
> - if (bs->sg || !bdrv_is_inserted(bs)) {
> + if (bs->sg || !bdrv_is_inserted(bs) || bdrv_getlength(bs) == 0) {
> bdrv_delete(bs);
> drv = bdrv_find_format("raw");
> if (!drv) {
>
Thanks, rebased and applied to the block branch.
Kevin
