On 6/28/07, Tejun Heo <htejun@xxxxxxxxx> wrote:
sata_inic162x can't do LBA48 properly yet. Whine loudly about it to
reduce confusion.
Signed-off-by: Tejun Heo <htejun@xxxxxxxxx>
---
drivers/ata/sata_inic162x.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
Index: work/drivers/ata/sata_inic162x.c
===================================================================
--- work.orig/drivers/ata/sata_inic162x.c
+++ work/drivers/ata/sata_inic162x.c
@@ -664,8 +664,12 @@ static int inic_init_one(struct pci_dev
void __iomem * const *iomap;
int i, rc;
- if (!printed_version++)
+ if (!printed_version++) {
dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n");
+ printk(KERN_WARNING "WARNING: sata_inic162x doesn't support "
+ "LBA48 yet. Devices larger than\n "
+ "2^28 - 1 sectors (~127GiB) won't work.\n");
+ }
/* alloc host */
host = ata_host_alloc_pinfo(&pdev->dev, ppi, NR_PORTS);
-
Does it simply fail? Or does it corrupt?
In my Windows experience, if you try to write data past ~128GiB and
you don't have LBA48 support you get a wraparound effect that causes
corruption of the data below ~128GiB. I've seen it happen several
times under Win2K in particular.
Greg
--
Greg Freemyer
The Norcross Group
Forensics for the 21st Century
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