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SubjectRe: OSB4 PATCH (was: Re: Serverworks OSB4 in impossible state)
Martin Wilck wrote:
> Am Mit, 2002-06-12 um 11.14 schrieb Alan Cox:
> > Entirely agreed
>
> I propose this patch to remedy the problem.
>
> I don't know how to test if the drive is a seagate drive, and
> I think we don't want to do that, because it would end up in yet another
> blacklist.
>
> I cannot test if this behaves correctly on machines that do expose the
> 4-byte shift bug - it would be great if somebody could test that.
>
> Martin
>
> --- drivers/ide/serverworks.c.orig Tue Jun 11 11:24:59 2002
> +++ drivers/ide/serverworks.c Wed Jun 12 12:00:36 2002
> @@ -547,7 +547,13 @@
> ide_hwif_t *hwif = HWIF(drive);
> unsigned long dma_base = hwif->dma_base;
>
> - if(inb(dma_base+0x02)&1)
> + /* If it's a disk on the OSB4, the DMA engine is still on,
> + and the device reports no error status, we are probably
> + facing the "4 byte shift" problem */
> + if(drive->media == ide_disk &&
> + hwif->pci_dev->device == PCI_DEVICE_ID_SERVERWORKS_OSB4IDE &&
> + inb(dma_base+0x02)&1 &&
> + OK_STAT (GET_STAT(), DRIVE_READY, BAD_STAT))
> {
> #if 0
> int i;
>
>


It works for me ...I have a supermicro 370DE6 (serverworks HE-SL) and a
maxtor HD (5T030H3).


Christian

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