lkml.org 
[lkml]   [2018]   [May]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] libata: Apply NOLPM quirk for SAMSUNG PM830 CXM13D1Q.
Date
From: François Cami <fcami@fedoraproject.org>

Without this patch the drive errors out regularly:

[ 1.090154] ata1.00: ATA-8: SAMSUNG SSD PM830 mSATA 256GB,
CXM13D1Q, max UDMA/133
(...)
[ 345.154996] ata1.00: exception Emask 0x40 SAct 0x0 SErr 0xc0800 action 0x6
[ 345.155006] ata1.00: irq_stat 0x40000001
[ 345.155013] ata1: SError: { HostInt CommWake 10B8B }
[ 345.155018] ata1.00: failed command: SET FEATURES
[ 345.155032] ata1.00: cmd ef/05:e1:00:00:00/00:00:00:00:00/40 tag 7
res 51/04:e1:00:00:00/00:00:00:00:00/40 Emask 0x41 (internal error)
[ 345.155038] ata1.00: status: { DRDY ERR }
[ 345.155042] ata1.00: error: { ABRT }
[ 345.155051] ata1: hard resetting link
[ 345.465661] ata1: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
[ 345.466955] ata1.00: configured for UDMA/133
[ 345.467085] ata1: EH complete

Signed-off-by: François Cami <fcami@fedoraproject.org>
Acked-by: Hans de Goede <hdegoede@redhat.com>
---
drivers/ata/libata-core.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 68596bd4cf06..1ca365f13040 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4549,8 +4549,9 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
ATA_HORKAGE_ZERO_AFTER_TRIM |
ATA_HORKAGE_NOLPM, },

- /* This specific Samsung model/firmware-rev does not handle LPM well */
+ /* These specific Samsung models/firmware-revs do not handle LPM well */
{ "SAMSUNG MZMPC128HBFU-000MV", "CXM14M1Q", ATA_HORKAGE_NOLPM, },
+ { "SAMSUNG SSD PM830 mSATA *", "CXM13D1Q", ATA_HORKAGE_NOLPM, },

/* Sandisk devices which are known to not handle LPM well */
{ "SanDisk SD7UB3Q*G1001", NULL, ATA_HORKAGE_NOLPM, },
--
2.17.0
\
 
 \ /
  Last update: 2018-05-13 20:12    [W:0.036 / U:1.296 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site