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

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Message-id: <a80857cb-e3a0-74b2-a7c4-a1afb34e5082@augustwikerfors.se>
Date:   Tue, 20 Dec 2022 12:30:39 +0100
From:   August Wikerfors <git@...ustwikerfors.se>
To:     Christoph Hellwig <hch@....de>
Cc:     Keith Busch <kbusch@...nel.org>, Jens Axboe <axboe@...com>,
        Sagi Grimberg <sagi@...mberg.me>,
        linux-nvme@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Kanchan Joshi <joshi.k@...sung.com>
Subject: Re: [PATCH] nvme-pci: add NVME_QUIRK_BOGUS_NID for Samsung PM9B1 256G
 and 512G

On 2022-12-06 06:59, Kanchan Joshi wrote:
> On Thu, Nov 17, 2022 at 08:49:51AM +0530, Kanchan Joshi wrote:
>> 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.
> 
> Took more time than I wanted. Firmware team mentioned that issue existed
> in this firmware. This is fixed in new firmware, but bit of travel time
> is involved when official release from OEM (Lenovo) comes out.
> 
> Hope the information is sufficient, and quirk can go in.
> 
> If required, Acked-by: Kanchan Joshi <joshi.k@...sung.com>

Ping, anything left for me to do before this can be merged?

Regards,
August Wikerfors