On Wed, Feb 15 2006, Sander wrote:
> Hi Jeff and others,
>
> I get a kernel BUG message when I try to create a raid1 or raid5 over
> nine 64MB partitions located on nine sata disks (Maxtor Pro 500) on a
> fresh setup. The system locks hard: no sysrq.
>
> The onboard controller is an nVidia nForce with three disks.
> The six other disks are connected to a Marvell 88SX6081 controller.
>
> Last night and the first half of today all disks were tested with
> badblocks in write mode, which the system survived just fine (one disk
> out of ten detected as broken, so nine disks left).
>
> A google search leads me to
>
> http://www.uwsg.iu.edu/hypermail/linux/kernel/0601.2/0479.html
>
> and
>
> http://www.uwsg.iu.edu/hypermail/linux/kernel/0601.2/0626.html
>
> I had MSI disabled in the .config already, and will try again with debug
> options set.
>
> In the mean time, is this of any help?
>
> I can try any patch you throw at me, or any config option, as this
> system is not in production yet.
It's barfing on a barrier write, I bet. The attached patch should fix
it.
---
[PATCH] Add missing FUA write to sata_mv dma command list
Signed-off-by: Jens Axboe <[email protected]>
diff --git a/drivers/scsi/sata_mv.c b/drivers/scsi/sata_mv.c
index 6fddf17..2770005 100644
--- a/drivers/scsi/sata_mv.c
+++ b/drivers/scsi/sata_mv.c
@@ -997,6 +997,7 @@ static void mv_qc_prep(struct ata_queued
case ATA_CMD_READ_EXT:
case ATA_CMD_WRITE:
case ATA_CMD_WRITE_EXT:
+ case ATA_CMD_WRITE_FUA_EXT:
mv_crqb_pack_cmd(cw++, tf->hob_nsect, ATA_REG_NSECT, 0);
break;
#ifdef LIBATA_NCQ /* FIXME: remove this line when NCQ added */
--
Jens Axboe
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