[RFC PATCH] nvme: add NO APST quirk for Kioxia device

[Enzo Matsumiya]

On 11/09, Christoph Hellwig wrote:
>On Fri, Nov 05, 2021 at 11:08:57PM -0300, Enzo Matsumiya wrote:
>> +	},
>> +	{
>> +		/*
>> +		 * This Kioxia device times out and aborts I/O during any load,
>> +		 * but more easily reproducible with discards (fstrim).
>> +		 *
>> +		 * Device is left in a state that is also not possible to use "nvme set-feature"
>> +		 * to disable APST, but booting with nvme_core.default_ps_max_latency=0 works.
>> +		 */
>
>Overly long lines here, but I can fix that up.

Missed that, sorry. Thanks.

>  Do you have a product
>name for this device or is just a nameless OEM controller?

I didn't, had to google. I see it listed on Kioxia's website as
CD6-V Series (6.4T model), but since customer was running on an
DL380 Gen10, I suspect it could also be HPE PE8030 (PN P19837-B21).


Cheers,

Enzo