On 01.09.21 08:13, Damien Le Moal wrote: > 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 ? Samsung 860 Pro: $ cat /sys/block/sda/device/queue_depth 32 Samsung 860 Evo: $ cat /sys/block/sdb/device/queue_depth 32 > >> >> Thanks, >> Tor >> > >