libata: Blacklist some Sandisk SSDs for NCQ

PATCH New Tejun Heo 1 participant 1 message May 8, 2018 libata

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Tejun Heo

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2018-05-08 21:30 UTC #0 lore raw

PATCH 1/1 libata: Blacklist some Sandisk SSDs for NCQ

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From 322579dcc865b94b47345ad1b6002ad167f85405 Mon Sep 17 00:00:00 2001

From: Tejun Heo <[email protected]>
Date: Tue, 8 May 2018 14:21:56 -0700

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 <[email protected]>

Reported-by Dave Jones <[email protected]>

Cc [email protected]

---
Applied to libata/for-4.17-fixes.

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

drivers/ata/libata-core.c +4 -0

index 68596bd4..a2498f5 100644
@@ -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 },

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