[PATCH 4.16 020/272] libata: Blacklist some Sandisk SSDs for NCQ

From: Greg Kroah-Hartman
Date: Mon May 28 2018 - 08:09:52 EST


4.16-stable review patch. If anyone has any objections, please let me know.

------------------

From: Tejun Heo <tj@xxxxxxxxxx>

commit 322579dcc865b94b47345ad1b6002ad167f85405 upstream.

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@xxxxxxxxxx>
Reported-by: Dave Jones <davej@xxxxxxxxxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
drivers/ata/libata-core.c | 4 ++++
1 file changed, 4 insertions(+)

--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4493,6 +4493,10 @@ static const struct ata_blacklist_entry
/* 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 },