libata: Blacklist some Sandisk SSDs for NCQ

Sandisk SSDs SD7SN6S256G and SD8SN8U256G are regularly locking up
regularly under sustained moderate load with NCQ enabled.  Blacklist
for now.

Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Dave Jones <davej@codemonkey.org.uk>
Cc: stable@vger.kernel.org

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 68596bd4cf06..a2498f5cfb28 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4493,6 +4493,10 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
         /* https://bugzilla.kernel.org/show_bug.cgi?id=15573 */
         { "C300-CTFDDAC128MAG", "0001",         ATA_HORKAGE_NONCQ, },
 
+        /* Some Sandisk SSDs lock up hard with NCQ enabled.  Reported on
+           SD7SN6S256G and SD8SN8U256G */
+        { "SanDisk SD[78]SN*G", NULL,           ATA_HORKAGE_NONCQ, },
+
         /* devices which puke on READ_NATIVE_MAX */
         { "HDS724040KLSA80",    "KFAOA20N",     ATA_HORKAGE_BROKEN_HPA, },
         { "WDC WD3200JD-00KLB0", "WD-WCAMR1130137", ATA_HORKAGE_BROKEN_HPA },