On Sat, 11 Feb 2023 12:12:23 +0900 Damien Le Moal <damien.lemoal@xxxxxxxxxxxxxxxxxx> wrote: > On 2/11/23 06:51, Patrick McLean wrote: > > Samsung MZ7LH drives are spewing messages like this in to dmesg with AMD > > SATA controllers: > > > > ata1.00: exception Emask 0x0 SAct 0x7e0000 SErr 0x0 action 0x6 frozen > > ata1.00: failed command: SEND FPDMA QUEUED > > ata1.00: cmd 64/01:88:00:00:00/00:00:00:00:00/a0 tag 17 ncq dma 512 out > > res 40/00:01:01:4f:c2/00:00:00:00:00/00 Emask > > 0x4 (timeout) > > > > Since this was seen previously with SSD 840 EVO drives in > > https://bugzilla.kernel.org/show_bug.cgi?id=203475 let's add the same > > fix for these drives as the EVOs have, since they likely have very > > similar firmwares. > > > > Signed-off-by: Patrick McLean <chutzpah@xxxxxxxxxx> > > --- > > 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 2ea572628b1c..c4c89d24f84c 100644 > > --- a/drivers/ata/libata-core.c > > +++ b/drivers/ata/libata-core.c > > @@ -4045,6 +4045,9 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { > > { "Samsung SSD 870*", NULL, ATA_HORKAGE_NO_NCQ_TRIM | > > ATA_HORKAGE_ZERO_AFTER_TRIM | > > ATA_HORKAGE_NO_NCQ_ON_ATI }, > > + { "SAMSUNG*MZ7LH*", NULL, ATA_HORKAGE_NO_NCQ_TRIM | > > Are you sure about the upper case here for this drive model name ? > Yes, the drive model name is upper case. We have tested this patch and it does resolve the problem on our hardware. > > + ATA_HORKAGE_ZERO_AFTER_TRIM | > > + ATA_HORKAGE_NO_NCQ_ON_ATI, }, > > { "FCCT*M500*", NULL, ATA_HORKAGE_NO_NCQ_TRIM | > > ATA_HORKAGE_ZERO_AFTER_TRIM }, > > > > -- > Damien Le Moal > Western Digital Research > --
