From: Jens Axboe Date: Fri, 30 Mar 2007 07:27:58 +0000 (+0200) Subject: [PATCH] Maxtor 6B250S0/BANC1B70 hangs with NCQ X-Git-Tag: v2.6.21-rc6~44 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=964429252a88cbb4eccd9f024a00813e10d16c71;p=linux-2.6 [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 Acked-by: Tejun Heo Signed-off-by: Linus Torvalds --- diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index f1f595f53d..ddb3909d72 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 */