Tejun Heo wrote:
>>>>> Berck E. Nash wrote:
>>>>>> Testing the new libata ICH PATA drivers. There's one PATA port on this
>>>>>> chip, and I've got two optical drives connected to it. The master drive
>>>>>> fails to detect. The slave detects and works properly.
>>>>> Can you test 2.6.20.1 and post full dmesg?
>>>> Here's 2.6.20.2... No ACPI errors, but still doesn't detect both drives.
>>> Please apply the attached patch and see if it works. If it works,
>>> please post the result of hdparm -I /dev/srX of the optical drive. Thanks.
> ------------------------------------------------------------------------
>
> diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
> index dc42ba1..6e7775a 100644
> --- a/drivers/ata/ata_piix.c
> +++ b/drivers/ata/ata_piix.c
> @@ -105,7 +105,8 @@ enum {
> PIIX_FLAG_AHCI = (1 << 27), /* AHCI possible */
> PIIX_FLAG_CHECKINTR = (1 << 28), /* make sure PCI INTx enabled */
>
> - PIIX_PATA_FLAGS = ATA_FLAG_SLAVE_POSS,
> + PIIX_PATA_FLAGS = ATA_FLAG_SLAVE_POSS |
> + ATA_FLAG_SETXFER_POLLING,
> PIIX_SATA_FLAGS = ATA_FLAG_SATA | PIIX_FLAG_CHECKINTR,
>
> /* combined mode. if set, PATA is channel 0.
Since this patch fixes the problem, is there some reason it still hasn't
been included?
Berck
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