Thanks for quick response. I added patch, and DVD works OK.
Tested-by: Maciej Rutecki <maciej.rutecki@xxxxxxxxx>
> diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
> index d5b9b72..4b95c43 100644
> --- a/drivers/ata/libata-scsi.c
> +++ b/drivers/ata/libata-scsi.c
> @@ -708,7 +708,11 @@ static struct ata_queued_cmd *ata_scsi_qc_new(struct ata_device *dev,
> {
> struct ata_queued_cmd *qc;
>
> - qc = ata_qc_new_init(dev, cmd->request->tag);
> + if (cmd->request->tag != -1)
> + qc = ata_qc_new_init(dev, cmd->request->tag);
> + else
> + qc = ata_qc_new_init(dev, 0);
> +
> if (qc) {
> qc->scsicmd = cmd;
> qc->scsidone = done;
>
>
>
Regards
--
Maciej Rutecki
http://www.maciek.unixy.pl
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