[PATCH] Maxtor 6B250S0/BANC1B70 hangs with NCQ

I've seen this several times on this drive, completely reproducible.

Once it has hung, power needs to be cut from the drive to recover it, a
simple reboot is not enough.  So I'd suggest disabling NCQ on this
drive.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Acked-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index f1f595f53d95..ddb3909d7288 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -3361,6 +3361,8 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
         { "FUJITSU MHT2060BH",  NULL,           ATA_HORKAGE_NONCQ },
         /* NCQ is broken */
         { "Maxtor 6L250S0",     "BANC1G10",     ATA_HORKAGE_NONCQ },
+        /* NCQ hard hangs device under heavier load, needs hard power cycle */
+        { "Maxtor 6B250S0",     "BANC1B70",     ATA_HORKAGE_NONCQ },
 
         /* Devices with NCQ limits */