Commit dd957493 authored Feb 03, 2019 by Hans de Goede Committed by Jens Axboe Feb 06, 2019

libata: Add NOLPM quirk for SAMSUNG MZ7TE512HMHP-000L1 SSD

We've received a bugreport that using LPM with a SAMSUNG
MZ7TE512HMHP-000L1 SSD leads to system instability, we already have
a quirk for the MZ7TD256HAFV-000L9, which is also a Samsun EVO 840 /
PM851 OEM model, so it seems some of these models have a LPM issue.

This commits adds a NOLPM quirk for the model string from the new
bugeport, to avoid the reported stability issues.

Cc: stable@vger.kernel.org
BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1571330


Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

parent d592974f

drivers/ata/libata-core.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -4554,6 +4554,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
		{ "SAMSUNG MZMPC128HBFU-000MV", "CXM14M1Q", ATA_HORKAGE_NOLPM, },
		{ "SAMSUNG SSD PM830 mSATA *", "CXM13D1Q", ATA_HORKAGE_NOLPM, },
		{ "SAMSUNG MZ7TD256HAFV-000L9", NULL, ATA_HORKAGE_NOLPM, },
		{ "SAMSUNG MZ7TE512HMHP-000L1", "EXT06L0Q", ATA_HORKAGE_NOLPM, },

		/* devices that don't properly handle queued TRIM commands */
		{ "Micron_M500IT_*", "MU01", ATA_HORKAGE_NO_NCQ_TRIM \|