linux-kernel - Re: [PATCH] nvme-pci: add NVME_QUIRK_BOGUS

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Message-ID: <20221117031951.GB392@test-zns>
Date:   Thu, 17 Nov 2022 08:49:51 +0530
From:   Kanchan Joshi <joshi.k@...sung.com>
To:     Christoph Hellwig <hch@....de>
Cc:     August Wikerfors <git@...ustwikerfors.se>,
        Keith Busch <kbusch@...nel.org>, Jens Axboe <axboe@...com>,
        Sagi Grimberg <sagi@...mberg.me>,
        linux-nvme@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] nvme-pci: add NVME_QUIRK_BOGUS_NID for Samsung PM9B1
 256G and 512G

On Wed, Nov 16, 2022 at 06:19:35PM +0100, Christoph Hellwig wrote:
>On Wed, Nov 16, 2022 at 06:17:27PM +0100, August Wikerfors wrote:
>> The Samsung PM9B1 512G SSD found in some Lenovo Yoga 7 14ARB7 laptop units
>> reports eui as 0001000200030004 when resuming from s2idle, causing the
>> device to be removed with this error in dmesg:
>>
>> nvme nvme0: identifiers changed for nsid 1
>
>What EUI did it report before? Is the identifier stable after
>multiple resume cycles?
>
>Can some of the Samsung folks here reach out to the relevant firmware
>team to see if they have any clues?

I will check.