Re: [PATCH v4] libata: Add ATA_HORKAGE_NO_NCQ_ON_AMD for Samsung 860 and 870 SSD.

[Damien Le Moal]

On 2021/09/01 16:38, torvic9@xxxxxxxxxxx wrote:
> (Sorry for not doing a proper reply)
> 
> Hello,
> Noob here.
> I have a Samsung 860 Pro connected to a AMD X570 chipset mainboard and
> it just works flawlessly on 5.13 and 5.14.
> Are you sure that *every* 860/870 is concerned by this problem on
> *every* AMD controller? Isn't this too restrictive?
> Or am I simply missing something?

Is you drive being initialized with NCQ enabled ?

cat /sys/block/sdX/device/queue_depth ?

> 
> Thanks,
> Tor
> 


-- 
Damien Le Moal
Western Digital Research