[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>
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index f1f595f..ddb3909 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -3361,6 +3361,8 @@
{ "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 */