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

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Message-ID: <930CF361-37C2-4625-B5FA-245248544F92@oracle.com>
Date:   Thu, 16 Mar 2023 21:31:38 +0000
From:   Saeed Mirzamohammadi <saeed.mirzamohammadi@...cle.com>
To:     Christoph Hellwig <hch@....de>
CC:     "# 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>
Subject: Re: [PATCH 1/1] nvme-pci: add NVME_QUIRK_BOGUS_NID for Samsung PM173X

Hi,

> On Mar 15, 2023, at 10:15 PM, Christoph Hellwig <hch@....de> wrote:
> 
> On Wed, Mar 15, 2023 at 03:34:36PM -0700, Saeed Mirzamohammadi wrote:
>> This adds a quirk to fix the Samsung PM1733a and PM173X reporting
>> bogus eui64 so they are not marked as "non globally unique" duplicates.
> 
> What kinds of euid do they report?  Did you report the bug to Samsung?

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?

Thanks,
Saeed