Re: [PATCH] ata: libata-core: Disable READ LOG DMA EXT for Samsung MZ7LH

From: Damien Le Moal
Date: Mon Feb 13 2023 - 22:28:05 EST


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>

Applied to for-6.2-fixes. Thanks !

--
Damien Le Moal
Western Digital Research