[SRU][Q][PATCH 1/1] ata: libata-core: disable LPM on ADATA SU680 SSD

Alice C. Munduruca alice.munduruca at canonical.com
Mon Mar 23 19:08:01 UTC 2026


From: Damien Le Moal <dlemoal at kernel.org>

BugLink: https://bugs.launchpad.net/bugs/2144060

ADATA SU680 SSDs suffer from NCQ read and write commands timeouts or bus
errors when link power management (LPM) is enabled. Flag these devices
with the ATA_QUIRK_NOLPM quirk to prevent the use of LPM and avoid these
command failures.

Reported-by: Mohammad Khaled Bayan <mhd.khaled.bayan at gmail.com>
Closes: https://bugs.launchpad.net/ubuntu/+source/linux-hwe-6.17/+bug/2144060
Cc: stable at vger.kernel.org
Tested-by: Mohammad-Khaled Bayan <mhd.khaled.bayan at gmail.com>
Signed-off-by: Damien Le Moal <dlemoal at kernel.org>
Reviewed-by: Martin K. Petersen <martin.petersen at oracle.com>
Signed-off-by: Niklas Cassel <cassel at kernel.org>
(backported from commit ce5ae93d1a216680460040c7c0465a6e3b629dec)
[cremfuelled: Context adjusted due to missing quirks in our tree.]
Signed-off-by: Alice C. Munduruca <alice.munduruca at canonical.com>
---
 drivers/ata/libata-core.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 638a1cd8fe5e..16f002bf42a6 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4122,6 +4122,9 @@ static const struct ata_dev_quirks_entry __ata_dev_quirks[] = {
 	{ "ST3320[68]13AS",	"SD1[5-9]",	ATA_QUIRK_NONCQ |
 						ATA_QUIRK_FIRMWARE_WARN },
 
+	/* ADATA devices with LPM issues. */
+	{ "ADATA SU680",	NULL,		ATA_QUIRK_NOLPM },
+
 	/* drives which fail FPDMA_AA activation (some may freeze afterwards)
 	   the ST disks also have LPM issues */
 	{ "ST1000LM024 HN-M101MBB", NULL,	ATA_QUIRK_BROKEN_FPDMA_AA |
-- 
2.51.0




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