linux-kernel - Re: [PATCH 1/1] nvme-pci: add NVME_QUIRK_BOGUS

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Date:   Fri, 17 Mar 2023 12:10:31 +0100
From:   Pankaj Raghav <p.raghav@...sung.com>
To:     Saeed Mirzamohammadi <saeed.mirzamohammadi@...cle.com>
CC:     Christoph Hellwig <hch@....de>,
        "# v4 . 16+" <stable@...r.kernel.org>,
        Keith Busch <kbusch@...nel.org>, Jens Axboe <axboe@...com>,
        Sagi Grimberg <sagi@...mberg.me>,
        "linux-nvme@...ts.infradead.org" <linux-nvme@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        <javier.gonz@...sung.com>, <k.jensen@...sung.com>,
        <jh.i.park@...sung.com>, <p.raghav@...sung.com>
Subject: Re: [PATCH 1/1] nvme-pci: add NVME_QUIRK_BOGUS_NID for Samsung
 PM173X

Hi Saeed,
On Thu, Mar 16, 2023 at 09:31:38PM +0000, Saeed Mirzamohammadi wrote:
> eui64 values are not unique. Here is an example:
> namespace1
> nguid   : 36554630529000710025384500000001
> eui64   : 002538191100104a
> namespace2
> nguid   : 36554630529000710025384500000002
> eui64   : 002538191100104a
> namespace3
> nguid   : 36554630529000710025384500000003
> eui64   : 002538191100104a
> namespace4
> nguid   : 36554630529000710025384500000004
> eui64   : 002538191100104a
> 
> I haven’t yet contacted Samsung. Do you recommend any one to reach out to?

I am able to reproduce this error with a PM173X.

nvme id-ns:
root@...singno:~# nvme id-ns -n 1 /dev/nvme1 | grep eui64
eui64   : 00253891010005b3
root@...singno:~# nvme id-ns -n 2 /dev/nvme1 | grep eui64
eui64   : 00253891010005b3
root@...singno:~# nvme id-ns -n 3 /dev/nvme1 | grep eui64
eui64   : 00253891010005b3

dmesg:
[174690.305507] nvme nvme1: identifiers changed for nsid 1
[174878.481002] nvme nvme1: rescanning namespaces.
[174878.535981] nvme nvme1: duplicate IDs in subsystem for nsid 2
[174878.599982] nvme nvme1: duplicate IDs in subsystem for nsid 2
[174883.673001] nvme nvme1: rescanning namespaces.
[174883.740045] nvme nvme1: duplicate IDs in subsystem for nsid 2
[174883.784025] nvme nvme1: duplicate IDs in subsystem for nsid 3
[174883.852034] nvme nvme1: duplicate IDs in subsystem for nsid 2
[174883.892040] nvme nvme1: duplicate IDs in subsystem for nsid 3

I will report this to our firmware team. Meanwhile, Could you paste your
output id-ctrl output here? I am interested in the fw version you are using.

--
Pankaj