Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=306b30f74d37f289033c696285e07ce0158a5d7b
Commit: 306b30f74d37f289033c696285e07ce0158a5d7b
Parent: 3f3debdbfb7713aa06c4370bab6bef277dfd7a37
Author: Mark Lord <[EMAIL PROTECTED]>
AuthorDate: Tue Dec 4 14:07:52 2007 -0500
Committer: Jeff Garzik <[EMAIL PROTECTED]>
CommitDate: Tue Dec 4 14:07:52 2007 -0500
sata_mv: Warn about HPT RocketRAID BIOS treatment of "Legacy" drives
The Highpoint RocketRAID boards using Marvell 7042 chips
overwrite the 9th sector of attached drives at boot time,
when those drives are configured as "Legacy" (the default)
in the HighPoint BIOS.
This kills GRUB, and probably other stuff.
But it all happens *before* Linux is even loaded.
So, for now we'll log a WARNING when such boards are detected,
and advise users to configure BIOS "JBOD" volumes instead,
which don't appear to suffer from this problem.
Signed-off-by: Mark Lord <[EMAIL PROTECTED]>
Signed-off-by: Jeff Garzik <[EMAIL PROTECTED]>
---
drivers/ata/sata_mv.c | 9 +++++++++
1 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c
index 8d864e5..fe0105d 100644
--- a/drivers/ata/sata_mv.c
+++ b/drivers/ata/sata_mv.c
@@ -2503,6 +2503,15 @@ static int mv_chip_id(struct ata_host *host, unsigned
int board_idx)
case chip_7042:
hp_flags |= MV_HP_PCIE;
+ if (pdev->vendor == PCI_VENDOR_ID_TTI &&
+ (pdev->device == 0x2300 || pdev->device == 0x2310))
+ {
+ printk(KERN_WARNING "sata_mv: Highpoint RocketRAID BIOS"
+ " will CORRUPT DATA on attached drives when"
+ " configured as \"Legacy\". BEWARE!\n");
+ printk(KERN_WARNING "sata_mv: Use BIOS \"JBOD\" volumes"
+ " instead for safety.\n");
+ }
case chip_6042:
hpriv->ops = &mv6xxx_ops;
hp_flags |= MV_HP_GEN_IIE;
-
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