On Tue, 2 Jan 2007 08:01:45 +0100 Herbert Poetzl <herbert@xxxxxxxxxxxx> wrote: > if you are interested in investigating this, please > let me know what kind of data you would like to see > and/or what kind of tests would be appreciated. I reviewed the 374 code a bit further to see what might be causing this and found the slave channel end of DMA handling was using the wrong port I think. Signed-off-by: Alan Cox <alan@xxxxxxxxxx> --- linux.vanilla-2.6.20-rc3/drivers/ata/pata_hpt37x.c 2007-01-01 21:43:27.000000000 +0000 +++ linux-2.6.20-rc3/drivers/ata/pata_hpt37x.c 2007-01-02 14:30:18.122801920 +0000 @@ -25,7 +25,7 @@ #include <linux/libata.h> #define DRV_NAME "pata_hpt37x" -#define DRV_VERSION "0.5.1" +#define DRV_VERSION "0.5.2" struct hpt_clock { u8 xfer_speed; @@ -749,7 +749,7 @@ { struct ata_port *ap = qc->ap; struct pci_dev *pdev = to_pci_dev(ap->host->dev); - int mscreg = 0x50 + 2 * ap->port_no; + int mscreg = 0x50 + 4 * ap->port_no; u8 bwsr_stat, msc_stat; pci_read_config_byte(pdev, 0x6A, &bwsr_stat); - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html