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

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Message-ID: <20221116171935.GA24524@lst.de>
Date:   Wed, 16 Nov 2022 18:19:35 +0100
From:   Christoph Hellwig <hch@....de>
To:     August Wikerfors <git@...ustwikerfors.se>
Cc:     Keith Busch <kbusch@...nel.org>, Jens Axboe <axboe@...com>,
        Christoph Hellwig <hch@....de>,
        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 06:17:27PM +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?