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authorJens Axboe <jens.axboe@oracle.com>2007-03-30 09:27:58 +0200
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-03-30 11:13:06 -0700
commit964429252a88cbb4eccd9f024a00813e10d16c71 (patch)
tree082b3e79c61bdb41de7229d457d797f459f98fa0 /drivers/ata
parentce20269d1e97030afa476e12b99d2437e748d225 (diff)
[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>
Diffstat (limited to 'drivers/ata')
-rw-r--r--drivers/ata/libata-core.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index f1f595f53d9..ddb3909d728 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 */