linux-kernel - [PATCH 3.16 57/87] libata: Extend quirks for the ST1000LM024 drives with NOLPM quirk

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Message-ID: <lsq.1570043211.585029185@decadent.org.uk>
Date:   Wed, 02 Oct 2019 20:06:51 +0100
From:   Ben Hutchings <ben@...adent.org.uk>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:     akpm@...ux-foundation.org, Denis Kirjanov <kda@...ux-powerpc.org>,
        "Jens Axboe" <axboe@...nel.dk>,
        "Hans de Goede" <hdegoede@...hat.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>
Subject: [PATCH 3.16 57/87] libata: Extend quirks for the ST1000LM024
 drives with NOLPM quirk

3.16.75-rc1 review patch.  If anyone has any objections, please let me know.

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

From: Hans de Goede <hdegoede@...hat.com>

commit 31f6264e225fb92cf6f4b63031424f20797c297d upstream.

We've received a bugreport that using LPM with ST1000LM024 drives leads
to system lockups. So it seems that these models are buggy in more then
1 way. Add NOLPM quirk to the existing quirks entry for BROKEN_FPDMA_AA.

BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1571330
Reviewed-by: Martin K. Petersen <martin.petersen@...cle.com>
Signed-off-by: Hans de Goede <hdegoede@...hat.com>
Signed-off-by: Jens Axboe <axboe@...nel.dk>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 drivers/ata/libata-core.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4176,9 +4176,12 @@ static const struct ata_blacklist_entry
 	{ "ST3320[68]13AS",	"SD1[5-9]",	ATA_HORKAGE_NONCQ |
 						ATA_HORKAGE_FIRMWARE_WARN },
 
-	/* drives which fail FPDMA_AA activation (some may freeze afterwards) */
-	{ "ST1000LM024 HN-M101MBB", "2AR10001",	ATA_HORKAGE_BROKEN_FPDMA_AA },
-	{ "ST1000LM024 HN-M101MBB", "2BA30001",	ATA_HORKAGE_BROKEN_FPDMA_AA },
+	/* drives which fail FPDMA_AA activation (some may freeze afterwards)
+	   the ST disks also have LPM issues */
+	{ "ST1000LM024 HN-M101MBB", "2AR10001",	ATA_HORKAGE_BROKEN_FPDMA_AA |
+						ATA_HORKAGE_NOLPM, },
+	{ "ST1000LM024 HN-M101MBB", "2BA30001",	ATA_HORKAGE_BROKEN_FPDMA_AA |
+						ATA_HORKAGE_NOLPM, },
 	{ "VB0250EAVER",	"HPG7",		ATA_HORKAGE_BROKEN_FPDMA_AA },
 
 	/* Blacklist entries taken from Silicon Image 3124/3132