linux-kernel - Re: Fwd: Lexar NM790 SSDs are not recognized anymore after 6.1.50 LTS

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Date:   Thu, 7 Sep 2023 20:50:06 +0300
From:   Felix Yan <felixonmars@...hlinux.org>
To:     Bagas Sanjaya <bagasdotme@...il.com>,
        Keith Busch <kbusch@...nel.org>, Jens Axboe <axboe@...nel.dk>,
        Christoph Hellwig <hch@....de>,
        Sagi Grimberg <sagi@...mberg.me>,
        Claudio Sampaio <patola@...il.com>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Regressions <regressions@...ts.linux.dev>,
        Linux NVMe <linux-nvme@...ts.infradead.org>,
        Linux Stable <stable@...r.kernel.org>
Subject: Re: Fwd: Lexar NM790 SSDs are not recognized anymore after 6.1.50 LTS

On 9/4/23 14:07, Bagas Sanjaya wrote:
> Hi,
> 
> I notice a regression report on Bugzilla [1]. Quoting from it:
> 
>> I bought a new 4 TB Lexar NM790 and I was using kernel 6.3.13 at the time. It wasn't recognized, with these messages in dmesg:
>>
>> [ 358.950147] nvme nvme0: pci function 0000:06:00.0
>> [ 358.958327] nvme nvme0: Device not ready; aborting initialisation, CSTS=0x0

Hi,

This looks very much the same as the other MAXIO MAP1602 issue mentioned 
in: 
https://lore.kernel.org/lkml/7cd693dd-a6d7-4aab-aef0-76a8366ceee6@archlinux.org/ 
and Lexar NM790 is indeed also using the same controller.

And as I have mentioned there, 6.1 LTS kernels work without a problem 
because there are some differences at calculating the resulting timeout 
value. Latest kernels including the 6.5.x branch makes the ending result 
zero and breaks all 4 TiB SSDs with this controller as far as I know.

-- 
Regards,
Felix Yan

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