Commit 96442925 authored Mar 30, 2007 by Jens Axboe Committed by Linus Torvalds Mar 30, 2007

[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>

parent ce20269d

drivers/ata/libata-core.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -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 */