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From: Tor Vic <torvic9@mailbox.org>
To: Damien Le Moal <Damien.LeMoal@wdc.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"hpa@redhat.com" <hpa@redhat.com>
Cc: "linux-ide@vger.kernel.org" <linux-ide@vger.kernel.org>,
	"axboe@kernel.dk" <axboe@kernel.dk>,
	"hdegoede@redhat.com" <hdegoede@redhat.com>
Subject: Re: [PATCH v4] libata: Add ATA_HORKAGE_NO_NCQ_ON_AMD for Samsung 860 and 870 SSD.
Date: Wed, 1 Sep 2021 17:56:57 +0000	[thread overview]
Message-ID: <1e52352c-05e3-700a-58e7-462e1c0adbd1@mailbox.org> (raw)
In-Reply-To: <DM6PR04MB708115B43C231444AFB22DC2E7CD9@DM6PR04MB7081.namprd04.prod.outlook.com>



On 01.09.21 08:13, Damien Le Moal wrote:
> On 2021/09/01 16:38, torvic9@mailbox.org 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
>>
> 
> 

  reply	other threads:[~2021-09-01 17:57 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-01  7:37 [PATCH v4] libata: Add ATA_HORKAGE_NO_NCQ_ON_AMD for Samsung 860 and 870 SSD torvic9
2021-09-01  8:13 ` Damien Le Moal
2021-09-01 17:56   ` Tor Vic [this message]
2021-09-01 18:58     ` Martin K. Petersen
2021-09-02  7:44       ` torvic9
2021-09-02 18:41         ` Martin K. Petersen
2021-09-01  8:55 ` Hans de Goede
2021-09-01  9:38   ` Hans de Goede
2021-09-01 11:11     ` torvic9
2021-09-01 17:59     ` Tor Vic
  -- strict thread matches above, loose matches on Subject: below --
2021-09-01  4:52 Kate Hsuan
2021-09-01  5:47 ` Damien Le Moal
2021-09-01  6:32 ` Christoph Hellwig
2021-09-01  9:01 ` Hans de Goede
2021-09-01  9:09   ` Kate Hsuan

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