Sorry all, it was just my fault - this patch did not improve the
stability. It just happened that annoying "status error" message
did not appeared for a while. Now the message appears again every
two seconds until I have to remove ide-cd_mod kernel module.
--
Kohji
At Mon, 09 Jun 2008 20:16:28 +0900,
MATSUBAYASHI, 'Shaolin' Kohji wrote:
>
> Then the following patch fixed the problem anyhow at least on my machine
> (I suspect changing from ich_pata_100 to ich_pata_66, especially
> removing the flag PIIX_FLAG_CHECKINTR, did something good in this case).
>
> I am not certain whether this patch is the right/correct solution
> for that, but anyway here's it. Let me know if there's something
> I can do for debugging further.
>
> --
> Kohji
>
> [2 ata_piix-pata-apple.patch <text/plain; US-ASCII (7bit)>]
> diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
> index 81b7ae3..93b5741 100644
> --- a/drivers/ata/ata_piix.c
> +++ b/drivers/ata/ata_piix.c
> @@ -214,6 +214,8 @@ static const struct pci_device_id piix_pci_tbl[] = {
> /* ICH7/7-R (i945, i975) UDMA 100*/
> { 0x8086, 0x27DF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich_pata_100 },
> { 0x8086, 0x269E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich_pata_100 },
> + /* ICH8 Mobile PATA Controller, Apple */
> + { 0x8086, 0x2850, 0x106b, 0x00a1, 0, 0, ich_pata_66 },
> /* ICH8 Mobile PATA Controller */
> { 0x8086, 0x2850, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich_pata_100 },
>
--
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